diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_email_powershell_exchange_mailbox.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_email_powershell_exchange_mailbox.json index 5bd96c3442736..e8b7fc59af650 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_email_powershell_exchange_mailbox.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_email_powershell_exchange_mailbox.json @@ -6,9 +6,11 @@ "false_positives": [ "Legitimate exchange system administration activity." ], + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_persistence_powershell_exch_mailbox_activesync_add_device.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_persistence_powershell_exch_mailbox_activesync_add_device.json index 501e30a38704c..3080a2c8c934e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_persistence_powershell_exch_mailbox_activesync_add_device.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_persistence_powershell_exch_mailbox_activesync_add_device.json @@ -6,9 +6,11 @@ "false_positives": [ "Legitimate exchange system administration activity." ], + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_winrar_encryption.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_winrar_encryption.json index f7ff34fed2eeb..9bc8912c1a313 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_winrar_encryption.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/collection_winrar_encryption.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies use of WinRar or 7z to create an encrypted files. Adversaries will often compress and encrypt data in preparation for exfiltration.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_certutil_network_connection.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_certutil_network_connection.json index 8f81d675a4325..aff488c9a5410 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_certutil_network_connection.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_certutil_network_connection.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 4 + "version": 5 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_cobalt_strike_default_teamserver_cert.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_cobalt_strike_default_teamserver_cert.json index b3cc7bce51d72..6f3f7ca3803f3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_cobalt_strike_default_teamserver_cert.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_cobalt_strike_default_teamserver_cert.json @@ -19,7 +19,7 @@ "https://www.elastic.co/guide/en/beats/filebeat/7.9/filebeat-module-suricata.html", "https://www.elastic.co/guide/en/beats/filebeat/7.9/filebeat-module-zeek.html" ], - "risk_score": 100, + "risk_score": 99, "rule_id": "e7075e8d-a966-458e-a183-85cd331af255", "severity": "critical", "tags": [ @@ -55,5 +55,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_common_webservices.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_common_webservices.json index ebead5ab5e519..b74da3bbd4d38 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_common_webservices.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_common_webservices.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Connection to Commonly Abused Web Services", - "query": "network where network.protocol == \"dns\" and\n /* Add new WebSvc domains here */\n wildcard(dns.question.name, \"*.githubusercontent.*\",\n \"*.pastebin.*\",\n \"*drive.google.*\",\n \"*docs.live.*\",\n \"*api.dropboxapi.*\",\n \"*dropboxusercontent.*\",\n \"*onedrive.*\",\n \"*4shared.*\",\n \"*.file.io\",\n \"*filebin.net\",\n \"*slack-files.com\",\n \"*ghostbin.*\",\n \"*ngrok.*\",\n \"*portmap.*\",\n \"*serveo.net\",\n \"*localtunnel.me\",\n \"*pagekite.me\",\n \"*localxpose.io\",\n \"*notabug.org\"\n ) and\n /* Insert noisy false positives here */\n not process.name in (\"MicrosoftEdgeCP.exe\",\n \"MicrosoftEdge.exe\",\n \"iexplore.exe\",\n \"chrome.exe\",\n \"msedge.exe\",\n \"opera.exe\",\n \"firefox.exe\",\n \"Dropbox.exe\",\n \"slack.exe\",\n \"svchost.exe\",\n \"thunderbird.exe\",\n \"outlook.exe\",\n \"OneDrive.exe\")\n", + "query": "network where network.protocol == \"dns\" and\n /* Add new WebSvc domains here */\n dns.question.name :\n (\n \"*.githubusercontent.*\",\n \"*.pastebin.*\",\n \"*drive.google.*\",\n \"*docs.live.*\",\n \"*api.dropboxapi.*\",\n \"*dropboxusercontent.*\",\n \"*onedrive.*\",\n \"*4shared.*\",\n \"*.file.io\",\n \"*filebin.net\",\n \"*slack-files.com\",\n \"*ghostbin.*\",\n \"*ngrok.*\",\n \"*portmap.*\",\n \"*serveo.net\",\n \"*localtunnel.me\",\n \"*pagekite.me\",\n \"*localxpose.io\",\n \"*notabug.org\"\n ) and\n /* Insert noisy false positives here */\n not process.name :\n (\n \"MicrosoftEdgeCP.exe\",\n \"MicrosoftEdge.exe\",\n \"iexplore.exe\",\n \"chrome.exe\",\n \"msedge.exe\",\n \"opera.exe\",\n \"firefox.exe\",\n \"Dropbox.exe\",\n \"slack.exe\",\n \"svchost.exe\",\n \"thunderbird.exe\",\n \"outlook.exe\",\n \"OneDrive.exe\"\n )\n", "risk_score": 21, "rule_id": "66883649-f908-4a5b-a1e0-54090a1d3a32", "severity": "low", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_dns_tunneling_nslookup.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_dns_tunneling_nslookup.json index 8e9822cc610a7..d4321263059d7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_dns_tunneling_nslookup.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_dns_tunneling_nslookup.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -47,5 +48,5 @@ "value": 15 }, "type": "threshold", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_encrypted_channel_freesslcert.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_encrypted_channel_freesslcert.json index 40f5e928b9c5f..809242615d994 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_encrypted_channel_freesslcert.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_encrypted_channel_freesslcert.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ftp_file_transfer_protocol_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ftp_file_transfer_protocol_activity_to_the_internet.json index 4aabfe552f0fd..a7c657eae5aa8 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ftp_file_transfer_protocol_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ftp_file_transfer_protocol_activity_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "FTP servers should be excluded from this rule as this is expected behavior. Some business workflows may use FTP for data exchange. These workflows often have expected characteristics such as users, sources, and destinations. FTP activity involving an unusual source or destination may be more suspicious. FTP activity involving a production server that has no known associated FTP workflow or business requirement is often suspicious." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_iexplore_via_com.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_iexplore_via_com.json index b0718fc2418be..de1b3da964a8c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_iexplore_via_com.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_iexplore_via_com.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Potential Command and Control via Internet Explorer", - "query": "sequence by host.id, process.entity_id with maxspan = 1s\n [process where event.type:\"start\" and process.parent.name:\"iexplore.exe\" and process.parent.args:\"-Embedding\"]\n /* IE started via COM in normal conditions makes few connections, mainly to Microsoft and OCSP related domains, add FPs here */\n [network where network.protocol : \"dns\" and process.name:\"iexplore.exe\" and\n not wildcard(dns.question.name, \"*.microsoft.com\", \n \"*.digicert.com\", \n \"*.msocsp.com\", \n \"*.windowsupdate.com\", \n \"*.bing.com\",\n \"*.identrust.com\")\n ]\n", - "risk_score": 43, + "query": "sequence by host.id, process.entity_id with maxspan = 1s\n [process where event.type == \"start\" and process.parent.name : \"iexplore.exe\" and process.parent.args : \"-Embedding\"]\n /* IE started via COM in normal conditions makes few connections, mainly to Microsoft and OCSP related domains, add FPs here */\n [network where network.protocol == \"dns\" and process.name : \"iexplore.exe\" and\n not dns.question.name :\n (\n \"*.microsoft.com\",\n \"*.digicert.com\",\n \"*.msocsp.com\",\n \"*.windowsupdate.com\",\n \"*.bing.com\",\n \"*.identrust.com\"\n )\n ]\n", + "risk_score": 47, "rule_id": "acd611f3-2b93-47b3-a0a3-7723bcc46f6d", "severity": "medium", "tags": [ @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_irc_internet_relay_chat_protocol_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_irc_internet_relay_chat_protocol_activity_to_the_internet.json index 2ad30a3d376a1..80a02e3887720 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_irc_internet_relay_chat_protocol_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_irc_internet_relay_chat_protocol_activity_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "IRC activity may be normal behavior for developers and engineers but is unusual for non-engineering end users. IRC activity involving an unusual source or destination may be more suspicious. IRC activity involving a production server is often suspicious. Because these ports are in the ephemeral range, this rule may false under certain conditions, such as when a NAT-ed web server replies to a client which has used a port in the range by coincidence. In this case, these servers can be excluded. Some legacy applications may use these ports, but this is very uncommon and usually only appears in local traffic using private IPs, which does not match this rule's conditions." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_nat_traversal_port_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_nat_traversal_port_activity.json index 7553dfefca68f..777829a007697 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_nat_traversal_port_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_nat_traversal_port_activity.json @@ -6,6 +6,7 @@ "false_positives": [ "Some networks may utilize these protocols but usage that is unfamiliar to local network administrators can be unexpected and suspicious. Because this port is in the ephemeral range, this rule may false under certain conditions, such as when an application server with a public IP address replies to a client which has used a UDP port in the range by coincidence. This is uncommon but such servers can be excluded." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -38,5 +39,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_26_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_26_activity.json index 6dae38320e19a..2f33f7d3f43a8 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_26_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_26_activity.json @@ -6,6 +6,7 @@ "false_positives": [ "Servers that process email traffic may cause false positives and should be excluded from this rule as this is expected behavior." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -57,5 +58,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_8000_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_8000_activity_to_the_internet.json index fcdd23f84c889..b90fb4a0d389c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_8000_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_port_8000_activity_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "Because this port is in the ephemeral range, this rule may false under certain conditions, such as when a NATed web server replies to a client which has used a port in the range by coincidence. In this case, such servers can be excluded. Some applications may use this port but this is very uncommon and usually appears in local traffic using private IPs, which this rule does not match. Some cloud environments, particularly development environments, may use this port when VPNs or direct connects are not in use and cloud instances are accessed across the Internet." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -38,5 +39,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_pptp_point_to_point_tunneling_protocol_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_pptp_point_to_point_tunneling_protocol_activity.json index 572be2fad80fe..15d042b7fe00c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_pptp_point_to_point_tunneling_protocol_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_pptp_point_to_point_tunneling_protocol_activity.json @@ -6,6 +6,7 @@ "false_positives": [ "Some networks may utilize PPTP protocols but this is uncommon as more modern VPN technologies are available. Usage that is unfamiliar to local network administrators can be unexpected and suspicious. Torrenting applications may use this port. Because this port is in the ephemeral range, this rule may false under certain conditions, such as when an application server replies to a client that used this port by coincidence. This is uncommon but such servers can be excluded." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -38,5 +39,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_proxy_port_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_proxy_port_activity_to_the_internet.json index 51fc3c17f7e5e..533edfb6f7441 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_proxy_port_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_proxy_port_activity_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "Some proxied applications may use these ports but this usually occurs in local traffic using private IPs which this rule does not match. Proxies are widely used as a security technology but in enterprise environments this is usually local traffic which this rule does not match. If desired, internet proxy services using these ports can be added to allowlists. Some screen recording applications may use these ports. Proxy port activity involving an unusual source or destination may be more suspicious. Some cloud environments may use this port when VPNs or direct connects are not in use and cloud instances are accessed across the Internet. Because these ports are in the ephemeral range, this rule may false under certain conditions such as when a NATed web server replies to a client which has used a port in the range by coincidence. In this case, such servers can be excluded if desired." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -38,5 +39,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_rdp_remote_desktop_protocol_from_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_rdp_remote_desktop_protocol_from_the_internet.json index 9443a7d264562..f8918c0420963 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_rdp_remote_desktop_protocol_from_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_rdp_remote_desktop_protocol_from_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "Some network security policies allow RDP directly from the Internet but usage that is unfamiliar to server or network owners can be unexpected and suspicious. RDP services may be exposed directly to the Internet in some networks such as cloud environments. In such cases, only RDP gateways, bastions or jump servers may be expected expose RDP directly to the Internet and can be exempted from this rule. RDP may be required by some work-flows such as remote access and support for specialized software products and servers. Such work-flows are usually known and not unexpected." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -68,5 +69,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_desktopimgdownldr.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_desktopimgdownldr.json index 1e6dc210127c0..e4e1c4dee0b16 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_desktopimgdownldr.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_desktopimgdownldr.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_mpcmdrun.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_mpcmdrun.json index 2384259111616..dd3003e346ab4 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_mpcmdrun.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_mpcmdrun.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -46,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_powershell.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_powershell.json index 5e0a6f8e3e25e..c5f5b8cca1eed 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_powershell.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_powershell.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -62,5 +63,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_scripts.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_scripts.json index 37f1364c5f61f..a1cbec37c591b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_scripts.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_remote_file_copy_scripts.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Remote File Download via Script Interpreter", "query": "sequence by host.id, process.entity_id\n [network where process.name : (\"wscript.exe\", \"cscript.exe\") and network.protocol != \"dns\" and\n network.direction == \"outgoing\" and network.type == \"ipv4\" and destination.ip != \"127.0.0.1\"\n ]\n [file where event.type == \"creation\" and file.extension : (\"exe\", \"dll\")]\n", - "risk_score": 43, + "risk_score": 47, "rule_id": "1d276579-3380-4095-ad38-e596a01bc64f", "severity": "medium", "tags": [ @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_smtp_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_smtp_to_the_internet.json index 95b07dab42827..5d6efd0802351 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_smtp_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_smtp_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "NATed servers that process email traffic may false and should be excluded from this rule as this is expected behavior for them. Consumer and personal devices may send email traffic to remote Internet destinations. In this case, such devices or networks can be excluded from this rule if this is expected behavior." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_sql_server_port_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_sql_server_port_activity_to_the_internet.json index 4bd7559e3878f..e7a5e4c386fce 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_sql_server_port_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_sql_server_port_activity_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "Because these ports are in the ephemeral range, this rule may false under certain conditions such as when a NATed web server replies to a client which has used a port in the range by coincidence. In this case, such servers can be excluded if desired. Some cloud environments may use this port when VPNs or direct connects are not in use and database instances are accessed directly across the Internet." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -38,5 +39,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_from_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_from_the_internet.json index f081fba9c1bab..ff97c392ccbe6 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_from_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_from_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "Some network security policies allow SSH directly from the Internet but usage that is unfamiliar to server or network owners can be unexpected and suspicious. SSH services may be exposed directly to the Internet in some networks such as cloud environments. In such cases, only SSH gateways, bastions or jump servers may be expected expose SSH directly to the Internet and can be exempted from this rule. SSH may be required by some work-flows such as remote access and support for specialized software products and servers. Such work-flows are usually known and not unexpected." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -68,5 +69,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_to_the_internet.json index b92bf9065693a..fdf4dfe0e8a7e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_ssh_secure_shell_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "SSH connections may be made directly to Internet destinations in order to access Linux cloud server instances but such connections are usually made only by engineers. In such cases, only SSH gateways, bastions or jump servers may be expected Internet destinations and can be exempted from this rule. SSH may be required by some work-flows such as remote access and support for specialized software products and servers. Such work-flows are usually known and not unexpected. Usage that is unfamiliar to server or network owners can be unexpected and suspicious." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -38,5 +39,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_teamviewer_remote_file_copy.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_teamviewer_remote_file_copy.json index e83fbcc58f4cd..0bf7ac92fdaf6 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_teamviewer_remote_file_copy.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_teamviewer_remote_file_copy.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_telnet_port_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_telnet_port_activity.json index 747e3b87d4e49..5c570a2471eae 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_telnet_port_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_telnet_port_activity.json @@ -6,6 +6,7 @@ "false_positives": [ "IoT (Internet of Things) devices and networks may use telnet and can be excluded if desired. Some business work-flows may use Telnet for administration of older devices. These often have a predictable behavior. Telnet activity involving an unusual source or destination may be more suspicious. Telnet activity involving a production server that has no known associated Telnet work-flow or business requirement is often suspicious." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -68,5 +69,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_tor_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_tor_activity_to_the_internet.json index 38666db032c57..7d302ba4062a5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_tor_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_tor_activity_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "Tor client activity is uncommon in managed enterprise networks but may be common in unmanaged or public networks where few security policies apply. Because these ports are in the ephemeral range, this rule may false under certain conditions such as when a NATed web server replies to a client which has used one of these ports by coincidence. In this case, such servers can be excluded if desired." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_from_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_from_the_internet.json index 53572c125f4e7..81789b415378c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_from_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_from_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "VNC connections may be received directly to Linux cloud server instances but such connections are usually made only by engineers. VNC is less common than SSH or RDP but may be required by some work-flows such as remote access and support for specialized software products or servers. Such work-flows are usually known and not unexpected. Usage that is unfamiliar to server or network owners can be unexpected and suspicious." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -59,5 +60,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_to_the_internet.json index 06b55dc499d05..9ceae3f436a7f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/command_and_control_vnc_virtual_network_computing_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "VNC connections may be made directly to Linux cloud server instances but such connections are usually made only by engineers. VNC is less common than SSH or RDP but may be required by some work flows such as remote access and support for specialized software products or servers. Such work-flows are usually known and not unexpected. Usage that is unfamiliar to server or network owners can be unexpected and suspicious." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_access_to_browser_credentials_procargs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_access_to_browser_credentials_procargs.json new file mode 100644 index 0000000000000..4473933bf8521 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_access_to_browser_credentials_procargs.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of a process with arguments pointing to known browser files that store passwords and cookies. Adversaries may acquire credentials from web browsers by reading files specific to the target browser.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Access of Stored Browser Credentials", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.args :\n (\n \"/Users/*/Library/Application Support/Google/Chrome/Default/Login Data\", \n \"/Users/*/Library/Application Support/Google/Chrome/Default/Cookies\", \n \"/Users/*/Library/Cookies*\", \n \"/Users/*/Library/Application Support/Firefox/Profiles/*.default/cookies.sqlite\", \n \"/Users/*/Library/Application Support/Firefox/Profiles/*.default/key*.db\", \n \"/Users/*/Library/Application Support/Firefox/Profiles/*.default/logins.json\", \n \"Login Data\",\n \"Cookies.binarycookies\", \n \"key4.db\", \n \"key3.db\", \n \"logins.json\", \n \"cookies.sqlite\"\n )\n", + "references": [ + "https://securelist.com/calisto-trojan-for-macos/86543/" + ], + "risk_score": 73, + "rule_id": "20457e4f-d1de-4b92-ae69-142e27a4342a", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1555", + "name": "Credentials from Password Stores", + "reference": "https://attack.mitre.org/techniques/T1555/", + "subtechnique": [ + { + "id": "T1555.003", + "name": "Credentials from Web Browsers", + "reference": "https://attack.mitre.org/techniques/T1555/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cmdline_dump_tool.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cmdline_dump_tool.json index dbb9c1af14d84..a411ccecc1fc9 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cmdline_dump_tool.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cmdline_dump_tool.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_collection_sensitive_files.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_collection_sensitive_files.json new file mode 100644 index 0000000000000..d7dbb660b7d61 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_collection_sensitive_files.json @@ -0,0 +1,78 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the use of a compression utility to collect known files containing sensitive information, such as credentials and system configurations.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Sensitive Files Compression", + "query": "event.category:process and event.type:start and process.name:(zip or tar or gzip or hdiutil or 7z) and process.args: ( /root/.ssh/id_rsa or /root/.ssh/id_rsa.pub or /root/.ssh/id_ed25519 or /root/.ssh/id_ed25519.pub or /root/.ssh/authorized_keys or /root/.ssh/authorized_keys2 or /root/.ssh/known_hosts or /root/.bash_history or /etc/hosts or /home/*/.ssh/id_rsa or /home/*/.ssh/id_rsa.pub or /home/*/.ssh/id_ed25519 or /home/*/.ssh/id_ed25519.pub or /home/*/.ssh/authorized_keys or /home/*/.ssh/authorized_keys2 or /home/*/.ssh/known_hosts or /home/*/.bash_history or /root/.aws/credentials or /root/.aws/config or /home/*/.aws/credentials or /home/*/.aws/config or /root/.docker/config.json or /home/*/.docker/config.json or /etc/group or /etc/passwd or /etc/shadow or /etc/gshadow )", + "references": [ + "https://www.trendmicro.com/en_ca/research/20/l/teamtnt-now-deploying-ddos-capable-irc-bot-tntbotinger.html" + ], + "risk_score": 47, + "rule_id": "6b84d470-9036-4cc0-a27c-6d90bbfe81ab", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Collection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1552", + "name": "Unsecured Credentials", + "reference": "https://attack.mitre.org/techniques/T1552/", + "subtechnique": [ + { + "id": "T1552.001", + "name": "Credentials In Files", + "reference": "https://attack.mitre.org/techniques/T1552/001/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0009", + "name": "Collection", + "reference": "https://attack.mitre.org/tactics/TA0009/" + }, + "technique": [ + { + "id": "T1560", + "name": "Archive Collected Data", + "reference": "https://attack.mitre.org/techniques/T1560/", + "subtechnique": [ + { + "id": "T1560.001", + "name": "Archive via Utility", + "reference": "https://attack.mitre.org/techniques/T1560/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cookies_chromium_browsers_debugging.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cookies_chromium_browsers_debugging.json new file mode 100644 index 0000000000000..eb798dcc2cb28 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_cookies_chromium_browsers_debugging.json @@ -0,0 +1,59 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of a Chromium based browser with the debugging process argument, which may indicate an attempt to steal authentication cookies. An adversary may steal web application or service session cookies and use them to gain access web applications or Internet services as an authenticated user without needing credentials.", + "false_positives": [ + "Developers performing browsers plugin or extension debugging." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "max_signals": 33, + "name": "Potential Cookies Theft via Browser Debugging", + "query": "process where event.type in (\"start\", \"process_started\", \"info\") and\n process.name in (\n \"Microsoft Edge\",\n \"chrome.exe\",\n \"Google Chrome\",\n \"google-chrome-stable\",\n \"google-chrome-beta\",\n \"google-chrome\",\n \"msedge.exe\") and\n process.args : (\"--remote-debugging-port=*\", \n \"--remote-debugging-targets=*\", \n \"--remote-debugging-pipe=*\") and\n process.args : \"--user-data-dir=*\" and not process.args:\"--remote-debugging-port=0\"\n", + "references": [ + "https://github.com/defaultnamehere/cookie_crimes", + "https://embracethered.com/blog/posts/2020/cookie-crimes-on-mirosoft-edge/", + "https://github.com/rapid7/metasploit-framework/blob/master/documentation/modules/post/multi/gather/chrome_cookies.md", + "https://posts.specterops.io/hands-in-the-cookie-jar-dumping-cookies-with-chromiums-remote-debugger-port-34c4f468844e" + ], + "risk_score": 47, + "rule_id": "027ff9ea-85e7-42e3-99d2-bbb7069e02eb", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Windows", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1539", + "name": "Steal Web Session Cookie", + "reference": "https://attack.mitre.org/techniques/T1539/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_copy_ntds_sam_volshadowcp_cmdline.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_copy_ntds_sam_volshadowcp_cmdline.json index 1750bd180b6af..8df6a9c719957 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_copy_ntds_sam_volshadowcp_cmdline.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_copy_ntds_sam_volshadowcp_cmdline.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credential_dumping_msbuild.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credential_dumping_msbuild.json index b3f83e24655eb..289b959ece15e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credential_dumping_msbuild.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credential_dumping_msbuild.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_compress_credentials_keychains.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credentials_keychains.json similarity index 69% rename from x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_compress_credentials_keychains.json rename to x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credentials_keychains.json index 51e008c848b49..a70ff26c3c0c7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_compress_credentials_keychains.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_credentials_keychains.json @@ -2,18 +2,19 @@ "author": [ "Elastic" ], - "description": "Adversaries may collect the keychain storage data from a system to acquire credentials. Keychains are the built-in way for macOS to keep track of users' passwords and credentials for many services and features such as WiFi passwords, websites, secure notes, certificates, and Kerberos.", + "description": "Adversaries may collect the keychain storage data from a system to acquire credentials. Keychains are the built-in way for macOS to keep track of users' passwords and credentials for many services and features such as WiFi passwords, websites, secure notes and certificates.", "from": "now-9m", "index": [ "auditbeat-*", "logs-endpoint.events.*" ], - "language": "kuery", + "language": "eql", "license": "Elastic License", - "name": "Compression of Keychain Credentials Directories", - "query": "event.category:process and event.type:(start or process_started) and process.name:(zip or tar or gzip or 7za or hdiutil) and process.args:(\"/Library/Keychains/\" or \"/Network/Library/Keychains/\" or \"~/Library/Keychains/\")", + "name": "Access to Keychain Credentials Directories", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.args :\n (\n \"/Users/*/Library/Keychains/*\",\n \"/Library/Keychains/*\",\n \"/Network/Library/Keychains/*\",\n \"System.keychain\",\n \"login.keychain-db\",\n \"login.keychain\"\n )\n", "references": [ - "https://objective-see.com/blog/blog_0x25.html" + "https://objective-see.com/blog/blog_0x25.html", + "https://securelist.com/calisto-trojan-for-macos/86543/" ], "risk_score": 73, "rule_id": "96e90768-c3b7-4df6-b5d9-6237f8bc36a8", @@ -50,6 +51,6 @@ } ], "timestamp_override": "event.ingested", - "type": "query", - "version": 3 + "type": "eql", + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_domain_backup_dpapi_private_keys.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_domain_backup_dpapi_private_keys.json index f3c6b1c785fe5..6188dbe9fc0c0 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_domain_backup_dpapi_private_keys.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_domain_backup_dpapi_private_keys.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dump_registry_hives.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dump_registry_hives.json index 474f4f0f7c617..5cb84bb2a2ef2 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dump_registry_hives.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dump_registry_hives.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Credential Acquisition via Registry Hive Dumping", - "query": "process where event.type in (\"start\", \"process_started\") and\n process.pe.original_file_name == \"reg.exe\" and\n process.args : (\"save\", \"export\") and\n process.args : (\"hklm\\\\sam\", \"hklm\\\\security\") and\n not process.parent.executable : \"C:\\\\Program Files*\\\\Rapid7\\\\Insight Agent\\\\components\\\\insight_agent\\\\*\\\\ir_agent.exe\"\n", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.pe.original_file_name == \"reg.exe\" and\n process.args : (\"save\", \"export\") and\n process.args : (\"hklm\\\\sam\", \"hklm\\\\security\")\n", "references": [ "https://medium.com/threatpunter/detecting-attempts-to-steal-passwords-from-the-registry-7512674487f8" ], @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dumping_hashes_bi_cmds.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dumping_hashes_bi_cmds.json new file mode 100644 index 0000000000000..f27e8c4272c09 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dumping_hashes_bi_cmds.json @@ -0,0 +1,49 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of macOS built-in commands used to dump user account hashes. Adversaries may attempt to dump credentials to obtain account login information in the form of a hash. These hashes can be cracked or leveraged for lateral movement.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Dumping Account Hashes via Built-In Commands", + "query": "event.category:process and event.type:start and process.name:(defaults or mkpassdb) and process.args:(ShadowHashData or \"-dump\")", + "references": [ + "https://apple.stackexchange.com/questions/186893/os-x-10-9-where-are-password-hashes-stored", + "https://www.unix.com/man-page/osx/8/mkpassdb/" + ], + "risk_score": 73, + "rule_id": "02ea4563-ec10-4974-b7de-12e65aa4f9b3", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1003", + "name": "OS Credential Dumping", + "reference": "https://attack.mitre.org/techniques/T1003/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dumping_keychain_security.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dumping_keychain_security.json new file mode 100644 index 0000000000000..f8524c589ea0f --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_dumping_keychain_security.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries may dump the content of the keychain storage data from a system to acquire credentials. Keychains are the built-in way for macOS to keep track of users' passwords and credentials for many services and features, including Wi-Fi and website passwords, secure notes, certificates, and Kerberos.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Dumping of Keychain Content via Security Command", + "query": "process where event.type in (\"start\", \"process_started\") and process.args : \"dump-keychain\" and process.args : \"-d\"\n", + "references": [ + "https://ss64.com/osx/security.html" + ], + "risk_score": 73, + "rule_id": "565d6ca5-75ba-4c82-9b13-add25353471c", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1555", + "name": "Credentials from Password Stores", + "reference": "https://attack.mitre.org/techniques/T1555/", + "subtechnique": [ + { + "id": "T1555.001", + "name": "Keychain", + "reference": "https://attack.mitre.org/techniques/T1555/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_apppoolsa_pwd_appcmd.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_apppoolsa_pwd_appcmd.json index 428272d6447cb..830721ef46454 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_apppoolsa_pwd_appcmd.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_apppoolsa_pwd_appcmd.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_connectionstrings_dumping.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_connectionstrings_dumping.json index f810ba740738d..2dab1711f9009 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_connectionstrings_dumping.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_iis_connectionstrings_dumping.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -46,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_kerberoasting_unusual_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_kerberoasting_unusual_process.json index d6a6aa14cba26..d4251313f75de 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_kerberoasting_unusual_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_kerberoasting_unusual_process.json @@ -9,13 +9,14 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Kerberos Traffic from Unusual Process", "query": "network where event.type == \"start\" and network.direction == \"outgoing\" and\n destination.port == 88 and source.port >= 49152 and\n process.executable != \"C:\\\\Windows\\\\System32\\\\lsass.exe\" and destination.address !=\"127.0.0.1\" and destination.address !=\"::1\" and\n /* insert False Positives here */\n not process.name in (\"swi_fc.exe\", \"fsIPcam.exe\", \"IPCamera.exe\", \"MicrosoftEdgeCP.exe\", \"MicrosoftEdge.exe\", \"iexplore.exe\", \"chrome.exe\", \"msedge.exe\", \"opera.exe\", \"firefox.exe\")\n", - "risk_score": 43, + "risk_score": 47, "rule_id": "897dc6b5-b39f-432a-8d75-d3730d50c782", "severity": "medium", "tags": [ @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_keychain_pwd_retrieval_security_cmd.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_keychain_pwd_retrieval_security_cmd.json new file mode 100644 index 0000000000000..74cfa19caf1ea --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_keychain_pwd_retrieval_security_cmd.json @@ -0,0 +1,61 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries may collect keychain storage data from a system to in order to acquire credentials. Keychains are the built-in way for macOS to keep track of users' passwords and credentials for many services and features, including Wi-Fi and website passwords, secure notes, certificates, and Kerberos.", + "false_positives": [ + "Trusted parent processes accessing their respective application passwords." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Keychain Password Retrieval via Command Line", + "query": "event.category:process and event.type:(start or process_started) and process.name:security and process.args:(\"find-generic-password\" or \"find-internet-password\")", + "references": [ + "https://www.netmeister.org/blog/keychain-passwords.html", + "https://github.com/priyankchheda/chrome_password_grabber/blob/master/chrome.py", + "https://ss64.com/osx/security.html", + "https://www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets/" + ], + "risk_score": 73, + "rule_id": "9092cd6c-650f-4fa3-8a8a-28256c7489c9", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1555", + "name": "Credentials from Password Stores", + "reference": "https://attack.mitre.org/techniques/T1555/", + "subtechnique": [ + { + "id": "T1555.001", + "name": "Keychain", + "reference": "https://attack.mitre.org/techniques/T1555/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_lsass_memdump_file_created.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_lsass_memdump_file_created.json index ef1d14add5b21..c1e0f9f7e7a63 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_lsass_memdump_file_created.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_lsass_memdump_file_created.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mimikatz_memssp_default_logs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mimikatz_memssp_default_logs.json index 3a037985b6148..8f1090f99414e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mimikatz_memssp_default_logs.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mimikatz_memssp_default_logs.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mitm_localhost_webproxy.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mitm_localhost_webproxy.json new file mode 100644 index 0000000000000..311723651cb3e --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mitm_localhost_webproxy.json @@ -0,0 +1,52 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the use of the built-in networksetup command to configure webproxy settings. This may indicate an attempt to hijack web browser traffic for credential access via traffic sniffing or redirection.", + "false_positives": [ + "Legitimate WebProxy Settings Modification" + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "WebProxy Settings Modification", + "query": "event.category:process and event.type:start and process.name:networksetup and process.args:(\"-setwebproxy\" or \"-setsecurewebproxy\" or \"-setautoproxyurl\")", + "references": [ + "https://unit42.paloaltonetworks.com/mac-malware-steals-cryptocurrency-exchanges-cookies/", + "https://objectivebythesea.com/v2/talks/OBTS_v2_Zohar.pdf" + ], + "risk_score": 47, + "rule_id": "10a500bb-a28f-418e-ba29-ca4c8d1a9f2f", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1539", + "name": "Steal Web Session Cookie", + "reference": "https://attack.mitre.org/techniques/T1539/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mod_wdigest_security_provider.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mod_wdigest_security_provider.json new file mode 100644 index 0000000000000..84f1315472d7a --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_mod_wdigest_security_provider.json @@ -0,0 +1,57 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies attempts to modify the WDigest security provider in the registry to force the user's password to be stored in clear text in memory. This behavior can be indicative of an adversary attempting to weaken the security configuration of an endpoint. Once the UseLogonCredential value is modified, the adversary may attempt to dump clear text passwords from memory.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Modification of WDigest Security Provider", + "query": "registry where event.type in (\"creation\", \"change\") and\n registry.path:\"HKLM\\\\SYSTEM\\\\*ControlSet*\\\\Control\\\\SecurityProviders\\\\WDigest\\\\UseLogonCredential\" and\n registry.data.strings:\"1\"\n", + "references": [ + "https://www.csoonline.com/article/3438824/how-to-detect-and-halt-credential-theft-via-windows-wdigest.html", + "https://www.praetorian.com/blog/mitigating-mimikatz-wdigest-cleartext-credential-theft?edition=2019" + ], + "risk_score": 73, + "rule_id": "d703a5af-d5b0-43bd-8ddb-7a5d500b7da5", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1003", + "name": "OS Credential Dumping", + "reference": "https://attack.mitre.org/techniques/T1003/", + "subtechnique": [ + { + "id": "T1003.001", + "name": "LSASS Memory", + "reference": "https://attack.mitre.org/techniques/T1003/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_promt_for_pwd_via_osascript.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_promt_for_pwd_via_osascript.json index f8bb27bf1d822..e369c6e87d3e0 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_promt_for_pwd_via_osascript.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_promt_for_pwd_via_osascript.json @@ -11,7 +11,7 @@ "language": "eql", "license": "Elastic License", "name": "Prompt for Credentials with OSASCRIPT", - "query": "process where event.type in (\"start\", \"process_started\") and process.name:\"osascript\" and process.args:\"-e\" and process.args:\"password\"\n", + "query": "process where event.type in (\"start\", \"process_started\") and process.name : \"osascript\" and\n process.command_line : \"osascript*display dialog*password*\"\n", "references": [ "https://github.com/EmpireProject/EmPyre/blob/master/lib/modules/collection/osx/prompt.py", "https://ss64.com/osx/osascript.html" @@ -38,12 +38,19 @@ { "id": "T1056", "name": "Input Capture", - "reference": "https://attack.mitre.org/techniques/T1056/" + "reference": "https://attack.mitre.org/techniques/T1056/", + "subtechnique": [ + { + "id": "T1056.002", + "name": "GUI Input Capture", + "reference": "https://attack.mitre.org/techniques/T1056/002/" + } + ] } ] } ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_saved_creds_vaultcmd.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_saved_creds_vaultcmd.json new file mode 100644 index 0000000000000..f9efa7f47b996 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_saved_creds_vaultcmd.json @@ -0,0 +1,50 @@ +{ + "author": [ + "Elastic" + ], + "description": "Windows Credential Manager allows you to create, view, or delete saved credentials for signing into websites, connected applications, and networks. An adversary may abuse this to list or dump credentials stored in the Credential Manager for saved usernames and passwords. This may also be performed in preparation of lateral movement.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Searching for Saved Credentials via VaultCmd", + "query": "process where event.type in (\"start\", \"process_started\") and\n (process.pe.original_file_name:\"vaultcmd.exe\" or process.name:\"vaultcmd.exe\") and\n process.args:\"/list*\"\n", + "references": [ + "https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16", + "https://rastamouse.me/blog/rdp-jump-boxes/" + ], + "risk_score": 47, + "rule_id": "be8afaed-4bcd-4e0a-b5f9-5562003dde81", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1003", + "name": "OS Credential Dumping", + "reference": "https://attack.mitre.org/techniques/T1003/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_ssh_backdoor_log.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_ssh_backdoor_log.json new file mode 100644 index 0000000000000..873763ce3048c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_ssh_backdoor_log.json @@ -0,0 +1,68 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies a Secure Shell (SSH) client or server process creating or writing to a known SSH backdoor log file. Adversaries may modify SSH related binaries for persistence or credential access via patching sensitive functions to enable unauthorized access or to log SSH credentials for exfiltration.", + "false_positives": [ + "Updates to approved and trusted SSH executables can trigger this rule." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential OpenSSH Backdoor Logging Activity", + "query": "file where event.type == \"change\" and process.executable : (\"/usr/sbin/sshd\", \"/usr/bin/ssh\") and\n (\n file.name : (\".*\", \"~*\") or\n file.extension : (\"in\", \"out\", \"ini\", \"h\", \"gz\", \"so\", \"sock\", \"sync\", \"0\", \"1\", \"2\", \"3\", \"4\", \"5\", \"6\", \"7\", \"8\", \"9\") or\n file.path : \n (\n \"/private/etc/*--\", \n \"/usr/share/*\", \n \"/usr/include/*\", \n \"/usr/local/include/*\", \n \"/private/tmp/*\", \n \"/private/var/tmp/*\",\n \"/usr/tmp/*\", \n \"/usr/share/man/*\", \n \"/usr/local/share/*\", \n \"/usr/lib/*.so.*\", \n \"/private/etc/ssh/.sshd_auth\",\n \"/usr/bin/ssd\", \n \"/private/var/opt/power\", \n \"/private/etc/ssh/ssh_known_hosts\", \n \"/private/var/html/lol\", \n \"/private/var/log/utmp\", \n \"/private/var/lib\",\n \"/var/run/sshd/sshd.pid\",\n \"/var/run/nscd/ns.pid\",\n \"/var/run/udev/ud.pid\",\n \"/var/run/udevd.pid\"\n )\n )\n", + "references": [ + "https://github.com/eset/malware-ioc/tree/master/sshdoor", + "https://www.welivesecurity.com/wp-content/uploads/2021/01/ESET_Kobalos.pdf" + ], + "risk_score": 73, + "rule_id": "f28e2be4-6eca-4349-bdd9-381573730c22", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Persistence", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1556", + "name": "Modify Authentication Process", + "reference": "https://attack.mitre.org/techniques/T1556/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1554", + "name": "Compromise Client Software Binary", + "reference": "https://attack.mitre.org/techniques/T1554/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_systemkey_dumping.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_systemkey_dumping.json new file mode 100644 index 0000000000000..e6ca43ead126c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/credential_access_systemkey_dumping.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Keychains are the built-in way for macOS to keep track of users' passwords and credentials for many services and features, including Wi-Fi and website passwords, secure notes, certificates, and Kerberos. Adversaries may collect the keychain storage data from a system to acquire credentials.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "SystemKey Access via Command Line", + "query": "event.category:process and event.type:(start or process_started) and process.args:\"/private/var/db/SystemKey\"", + "references": [ + "https://github.com/AlessandroZ/LaZagne/blob/master/Mac/lazagne/softwares/system/chainbreaker.py" + ], + "risk_score": 73, + "rule_id": "d75991f2-b989-419d-b797-ac1e54ec2d61", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1555", + "name": "Credentials from Password Stores", + "reference": "https://attack.mitre.org/techniques/T1555/", + "subtechnique": [ + { + "id": "T1555.001", + "name": "Keychain", + "reference": "https://attack.mitre.org/techniques/T1555/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.json index 878f2532cf1c5..ea97da66d52cf 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -57,5 +58,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_apple_softupdates_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_apple_softupdates_modification.json new file mode 100644 index 0000000000000..5c577a494b179 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_apple_softupdates_modification.json @@ -0,0 +1,58 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies changes to the SoftwareUpdate preferences using the built-in defaults command. Adversaries may abuse this in an attempt to disable security updates.", + "false_positives": [ + "Authorized SoftwareUpdate Settings Changes" + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "SoftwareUpdate Preferences Modification", + "query": "event.category:process and event.type:(start or process_started) and process.name:defaults and process.args:(write and \"-bool\" and (com.apple.SoftwareUpdate or /Library/Preferences/com.apple.SoftwareUpdate.plist) and not (TRUE or true))", + "references": [ + "https://blog.checkpoint.com/2017/07/13/osxdok-refuses-go-away-money/" + ], + "risk_score": 47, + "rule_id": "f683dcdf-a018-4801-b066-193d4ae6c8e5", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1562", + "name": "Impair Defenses", + "reference": "https://attack.mitre.org/techniques/T1562/", + "subtechnique": [ + { + "id": "T1562.001", + "name": "Disable or Modify Tools", + "reference": "https://attack.mitre.org/techniques/T1562/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_del_quarantine_attrib.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_del_quarantine_attrib.json index bfa8c19d8ea77..4ecb25a2d6de1 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_del_quarantine_attrib.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_del_quarantine_attrib.json @@ -11,11 +11,12 @@ "language": "eql", "license": "Elastic License", "name": "Attempt to Remove File Quarantine Attribute", - "query": "process where event.type in (\"start\", \"process_started\") and\n process.name == \"xattr\" and process.args == \"com.apple.quarantine\" and process.args == \"-d\"\n", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.args : \"xattr\" and\n (\n (process.args : \"com.apple.quarantine\" and process.args : (\"-d\", \"-w\")) or\n (process.args : \"-c\" and process.command_line :\n (\n \"/bin/bash -c xattr -c *\",\n \"/bin/zsh -c xattr -c *\",\n \"/bin/sh -c xattr -c *\"\n )\n )\n )\n", "references": [ - "https://www.trendmicro.com/en_us/research/20/k/new-macos-backdoor-connected-to-oceanlotus-surfaces.html" + "https://www.trendmicro.com/en_us/research/20/k/new-macos-backdoor-connected-to-oceanlotus-surfaces.html", + "https://ss64.com/osx/xattr.html" ], - "risk_score": 43, + "risk_score": 47, "rule_id": "f0b48bbc-549e-4bcf-8ee0-a7a72586c6a7", "severity": "medium", "tags": [ @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_to_disable_gatekeeper.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_to_disable_gatekeeper.json new file mode 100644 index 0000000000000..e351a48e2b1eb --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_attempt_to_disable_gatekeeper.json @@ -0,0 +1,49 @@ +{ + "author": [ + "Elastic" + ], + "description": "Detects attempts to disable Gatekeeper on macOS. Gatekeeper is a security feature that's designed to ensure that only trusted software is run. Adversaries may attempt to disable Gatekeeper before executing malicious code.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Attempt to Disable Gatekeeper", + "query": "event.category:process and event.type:(start or process_started) and process.args:(spctl and \"--master-disable\")", + "references": [ + "https://support.apple.com/en-us/HT202491", + "https://www.carbonblack.com/blog/tau-threat-intelligence-notification-new-macos-malware-variant-of-shlayer-osx-discovered/" + ], + "risk_score": 47, + "rule_id": "4da13d6e-904f-4636-81d8-6ab14b4e6ae9", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1553", + "name": "Subvert Trust Controls", + "reference": "https://attack.mitre.org/techniques/T1553/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_event_logs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_event_logs.json index d99f2f90e130a..cc5b948fbf20f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_event_logs.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_event_logs.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_security_logs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_security_logs.json new file mode 100644 index 0000000000000..0a19ea075926b --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_clearing_windows_security_logs.json @@ -0,0 +1,46 @@ +{ + "author": [ + "Elastic", + "Anabella Cristaldi" + ], + "description": "Identifies attempts to clear Windows event log stores. This is often done by attackers in an attempt to evade detection or destroy forensic evidence on a system.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-windows.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Windows Event Logs Cleared", + "query": "event.action:(\"audit-log-cleared\" or \"Log clear\")", + "risk_score": 21, + "rule_id": "45ac4800-840f-414c-b221-53dd36a5aaf7", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1070", + "name": "Indicator Removal on Host", + "reference": "https://attack.mitre.org/techniques/T1070/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_code_injection_conhost.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_code_injection_conhost.json index 00c7a5fce4052..c5a9c7e315920 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_code_injection_conhost.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_code_injection_conhost.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", "name": "Suspicious Process from Conhost", - "query": "event.category:process and event.type:(start or process_started) and process.parent.name:conhost.exe", + "query": "event.category:process and event.type:(start or process_started) and process.parent.name:conhost.exe and not process.executable:(\"C:\\Windows\\splwow64.exe\" or \"C:\\Windows\\System32\\WerFault.exe\" or \"C:\\\\Windows\\System32\\conhost.exe\")", "references": [ "https://modexp.wordpress.com/2018/09/12/process-injection-user-data/", "https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Defense%20Evasion/evasion_codeinj_odzhan_conhost_sysmon_10_1.evtx" @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_create_mod_root_certificate.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_create_mod_root_certificate.json new file mode 100644 index 0000000000000..9ec4e7a9a0ab8 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_create_mod_root_certificate.json @@ -0,0 +1,60 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or modification of a local trusted root certificate in Windows. The install of a malicious root certificate would allow an attacker the ability to masquerade malicious files as valid signed components from any entity (e.g. Microsoft). It could also allow an attacker to decrypt SSL traffic.", + "false_positives": [ + "Certain applications may install root certificates for the purpose of inspecting SSL traffic." + ], + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Creation or Modification of Root Certificate", + "query": "registry where event.type in (\"creation\", \"change\") and\n registry.path :\n (\n \"HKLM\\\\Software\\\\Microsoft\\\\SystemCertificates\\\\Root\\\\Certificates\\\\*\\\\Blob\",\n \"HKLM\\\\Software\\\\Microsoft\\\\SystemCertificates\\\\AuthRoot\\\\Certificates\\\\*\\\\Blob\",\n \"HKLM\\\\Software\\\\Policies\\\\Microsoft\\\\SystemCertificates\\\\Root\\\\Certificates\\\\*\\\\Blob\",\n \"HKLM\\\\Software\\\\Policies\\\\Microsoft\\\\SystemCertificates\\\\AuthRoot\\\\Certificates\\\\*\\\\Blob\"\n )\n", + "references": [ + "https://posts.specterops.io/code-signing-certificate-cloning-attacks-and-defenses-6f98657fc6ec", + "https://www.ired.team/offensive-security/persistence/t1130-install-root-certificate" + ], + "risk_score": 21, + "rule_id": "203ab79b-239b-4aa5-8e54-fc50623ee8e4", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1553", + "name": "Subvert Trust Controls", + "reference": "https://attack.mitre.org/techniques/T1553/", + "subtechnique": [ + { + "id": "T1553.004", + "name": "Install Root Certificate", + "reference": "https://attack.mitre.org/techniques/T1553/004/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_cve_2020_0601.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_cve_2020_0601.json index f97901404fdc7..ddd3e20ac1c7c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_cve_2020_0601.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_cve_2020_0601.json @@ -4,7 +4,8 @@ ], "description": "A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates. An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source.", "index": [ - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -46,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_defender_disabled_via_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_defender_disabled_via_registry.json new file mode 100644 index 0000000000000..30f4b9883624b --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_defender_disabled_via_registry.json @@ -0,0 +1,62 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies modifications to the Windows Defender registry settings to disable the service or set the service to be started manually.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Windows Defender Disabled via Registry Modification", + "note": "Detections should be investigated to identify if the hosts and users are authorized to use this tool. As this rule detects post-exploitation process activity, investigations into this should be prioritized", + "query": "registry where event.type in (\"creation\", \"change\") and\n ((registry.path:\"HKLM\\\\SOFTWARE\\\\Policies\\\\Microsoft\\\\Windows Defender\\\\DisableAntiSpyware\" and\n registry.data.strings:\"1\") or\n (registry.path:\"HKLM\\\\System\\\\ControlSet*\\\\Services\\\\WinDefend\\\\Start\" and\n registry.data.strings in (\"3\", \"4\")))\n", + "references": [ + "https://thedfirreport.com/2020/12/13/defender-control/" + ], + "risk_score": 21, + "rule_id": "2ffa1f1e-b6db-47fa-994b-1512743847eb", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1562", + "name": "Impair Defenses", + "reference": "https://attack.mitre.org/techniques/T1562/", + "subtechnique": [ + { + "id": "T1562.006", + "name": "Indicator Blocking", + "reference": "https://attack.mitre.org/techniques/T1562/006/" + }, + { + "id": "T1562.001", + "name": "Disable or Modify Tools", + "reference": "https://attack.mitre.org/techniques/T1562/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_delete_volume_usn_journal_with_fsutil.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_delete_volume_usn_journal_with_fsutil.json index cee43c94d97fd..5630e20e0e65f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_delete_volume_usn_journal_with_fsutil.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_delete_volume_usn_journal_with_fsutil.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_backup_catalogs_with_wbadmin.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_backup_catalogs_with_wbadmin.json index 9d61ae658f182..39c2dc65e6ef7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_backup_catalogs_with_wbadmin.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_backup_catalogs_with_wbadmin.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_websvr_access_logs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_websvr_access_logs.json index 86820f7203bfa..d00a4df394e5c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_websvr_access_logs.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deleting_websvr_access_logs.json @@ -7,7 +7,8 @@ "index": [ "auditbeat-*", "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deletion_of_bash_command_line_history.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deletion_of_bash_command_line_history.json index d4b84879bcf7d..efd7d43c90c85 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deletion_of_bash_command_line_history.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_deletion_of_bash_command_line_history.json @@ -2,16 +2,16 @@ "author": [ "Elastic" ], - "description": "Adversaries may attempt to clear the bash command line history in an attempt to evade detection or forensic investigations.", + "description": "Adversaries may attempt to clear or disable the Bash command-line history in an attempt to evade detection or forensic investigations.", "from": "now-9m", "index": [ "auditbeat-*", "logs-endpoint.events.*" ], - "language": "lucene", + "language": "eql", "license": "Elastic License", - "name": "Deletion of Bash Command Line History", - "query": "event.category:process AND event.type:(start or process_started) AND process.name:rm AND process.args:/\\/(home\\/.{1,255}|root)\\/\\.bash_history/", + "name": "Tampering of Bash Command-Line History", + "query": "process where event.type in (\"start\", \"process_started\") and\n (\n (process.args : (\"rm\", \"echo\") and process.args : (\".bash_history\", \"/root/.bash_history\", \"/home/*/.bash_history\")) or\n (process.name : \"history\" and process.args : \"-c\") or\n (process.args : \"export\" and process.args : (\"HISTFILE=/dev/null\", \"HISTFILESIZE=0\")) or\n (process.args : \"unset\" and process.args : \"HISTFILE\") or\n (process.args : \"set\" and process.args : \"history\" and process.args : \"+o\")\n )\n", "risk_score": 47, "rule_id": "7bcbb3ac-e533-41ad-a612-d6c3bf666aba", "severity": "medium", @@ -47,6 +47,6 @@ } ], "timestamp_override": "event.ingested", - "type": "query", - "version": 5 + "type": "eql", + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_disable_windows_firewall_rules_with_netsh.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_disable_windows_firewall_rules_with_netsh.json index 965b1592f3288..62e785b091915 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_disable_windows_firewall_rules_with_netsh.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_disable_windows_firewall_rules_with_netsh.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_dotnet_compiler_parent_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_dotnet_compiler_parent_process.json index ed2ee27a2f9e7..49c69d0a83862 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_dotnet_compiler_parent_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_dotnet_compiler_parent_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_enable_inbound_rdp_with_netsh.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_enable_inbound_rdp_with_netsh.json index 14b92c0eb8f60..fdbb0f0e35a09 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_enable_inbound_rdp_with_netsh.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_enable_inbound_rdp_with_netsh.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_encoding_or_decoding_files_via_certutil.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_encoding_or_decoding_files_via_certutil.json index cdae07b5e93bb..fefa5963866a8 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_encoding_or_decoding_files_via_certutil.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_encoding_or_decoding_files_via_certutil.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_lolbas_wuauclt.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_lolbas_wuauclt.json index 21568e4531ec8..b8b0201cb5db7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_lolbas_wuauclt.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_lolbas_wuauclt.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_office_app.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_office_app.json index b0c98c13f5331..14436f937b418 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_office_app.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_office_app.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -56,5 +57,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_script.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_script.json index 9df293e6cbf3f..d6976f0c287da 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_script.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_script.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_system_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_system_process.json index 61f17c8d593df..f02a8543689b1 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_system_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_by_system_process.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_renamed.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_renamed.json index 763c17e2792ae..ab2b1ee09c0c1 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_renamed.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_renamed.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_unusal_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_unusal_process.json index 6bd60eb452093..98af8429f2827 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_unusal_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_msbuild_started_unusal_process.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -54,5 +55,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_suspicious_explorer_winword.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_suspicious_explorer_winword.json index c1679e4ce1c63..07c13af09d8d3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_suspicious_explorer_winword.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_suspicious_explorer_winword.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_via_trusted_developer_utilities.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_via_trusted_developer_utilities.json index 10424863f0290..d7ea84de18ec8 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_via_trusted_developer_utilities.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_execution_via_trusted_developer_utilities.json @@ -6,9 +6,11 @@ "false_positives": [ "These programs may be used by Windows developers but use by non-engineers is unusual." ], + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -52,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_file_creation_mult_extension.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_file_creation_mult_extension.json new file mode 100644 index 0000000000000..55ebb2e428e1e --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_file_creation_mult_extension.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic" + ], + "description": "Masquerading can allow an adversary to evade defenses and better blend in with the environment. One way it occurs is when the name or location of a file is manipulated as a means of tricking a user into executing what they think is a benign file type but is actually executable code.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Executable File Creation with Multiple Extensions", + "query": "file where event.type == \"creation\" and file.extension:\"exe\" and\n file.name:\n (\n \"*.vbs.exe\",\n \"*.vbe.exe\",\n \"*.bat.exe\",\n \"*.js.exe\",\n \"*.cmd.exe\",\n \"*.wsh.exe\",\n \"*.ps1.exe\",\n \"*.pdf.exe\",\n \"*.docx.exe\",\n \"*.doc.exe\",\n \"*.xlsx.exe\",\n \"*.xls.exe\",\n \"*.pptx.exe\",\n \"*.ppt.exe\",\n \"*.txt.exe\",\n \"*.rtf.exe\",\n \"*.gif.exe\",\n \"*.jpg.exe\",\n \"*.png.exe\",\n \"*.bmp.exe\",\n \"*.hta.exe\",\n \"*.txt.exe\",\n \"*.img.exe\",\n \"*.iso.exe\"\n )\n", + "risk_score": 47, + "rule_id": "8b2b3a62-a598-4293-bc14-3d5fa22bb98f", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1036", + "name": "Masquerading", + "reference": "https://attack.mitre.org/techniques/T1036/", + "subtechnique": [ + { + "id": "T1036.004", + "name": "Masquerade Task or Service", + "reference": "https://attack.mitre.org/techniques/T1036/004/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_hide_encoded_executable_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_hide_encoded_executable_registry.json index e294c84db2d08..3b03c15047613 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_hide_encoded_executable_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_hide_encoded_executable_registry.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_iis_httplogging_disabled.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_iis_httplogging_disabled.json index c2e82ca10a99c..7e64762ea7cad 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_iis_httplogging_disabled.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_iis_httplogging_disabled.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -42,5 +43,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_injection_msbuild.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_injection_msbuild.json index 6c416b0a4e0c5..c85e457823b06 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_injection_msbuild.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_injection_msbuild.json @@ -7,7 +7,8 @@ "The Build Engine is commonly used by Windows developers but use by non-engineers is unusual." ], "index": [ - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -57,5 +58,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 4 + "version": 5 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_install_root_certificate.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_install_root_certificate.json new file mode 100644 index 0000000000000..1548566df0494 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_install_root_certificate.json @@ -0,0 +1,58 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries may install a root certificate on a compromised system to avoid warnings when connecting to their command and control servers. Root certificates are used in public key cryptography to identify a root certificate authority (CA). When a root certificate is installed, the system or application will trust certificates in the root's chain of trust that have been signed by the root certificate.", + "false_positives": [ + "Certain applications may install root certificates for the purpose of inspecting SSL traffic." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Attempt to Install Root Certificate", + "query": "event.category:process and event.type:(start or process_started) and process.name:security and process.args:\"add-trusted-cert\"", + "references": [ + "https://ss64.com/osx/security-cert.html" + ], + "risk_score": 47, + "rule_id": "bc1eeacf-2972-434f-b782-3a532b100d67", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1553", + "name": "Subvert Trust Controls", + "reference": "https://attack.mitre.org/techniques/T1553/", + "subtechnique": [ + { + "id": "T1553.004", + "name": "Install Root Certificate", + "reference": "https://attack.mitre.org/techniques/T1553/004/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_installutil_beacon.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_installutil_beacon.json index 0dd2e51995c9b..b71e627fba813 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_installutil_beacon.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_installutil_beacon.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_as_elastic_endpoint_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_as_elastic_endpoint_process.json index 95042ffeebd0f..eb9798a8c5c5f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_as_elastic_endpoint_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_as_elastic_endpoint_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_renamed_autoit.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_renamed_autoit.json index f9b6c3082ef9c..eb267f2a91b46 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_renamed_autoit.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_renamed_autoit.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_suspicious_werfault_childproc.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_suspicious_werfault_childproc.json index 559d81f963abb..5d344cfaeab60 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_suspicious_werfault_childproc.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_suspicious_werfault_childproc.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -17,7 +18,8 @@ "query": "event.category:process and event.type:(start or process_started) and process.parent.name:WerFault.exe and not process.name:(cofire.exe or psr.exe or VsJITDebugger.exe or TTTracer.exe or rundll32.exe)", "references": [ "https://www.hexacorn.com/blog/2019/09/19/silentprocessexit-quick-look-under-the-hood/", - "https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Persistence/persistence_SilentProcessExit_ImageHijack_sysmon_13_1.evtx" + "https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Persistence/persistence_SilentProcessExit_ImageHijack_sysmon_13_1.evtx", + "https://blog.menasec.net/2021/01/" ], "risk_score": 47, "rule_id": "ac5012b8-8da8-440b-aaaf-aedafdea2dff", @@ -48,5 +50,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_trusted_directory.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_trusted_directory.json index 4bea1f2f2e668..c575d2755251b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_trusted_directory.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_trusted_directory.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Program Files Directory Masquerading", "query": "process where event.type in (\"start\", \"process_started\", \"info\") and\n /* capture both fake program files directory in process executable as well as if passed in process args as a dll*/\n process.args : (\"C:\\\\*Program*Files*\\\\*\", \"C:\\\\*Program*Files*\\\\*\") and\n not process.args : (\"C:\\\\Program Files\\\\*\", \"C:\\\\Program Files (x86)\\\\*\")\n", - "risk_score": 43, + "risk_score": 47, "rule_id": "32c5cf9c-2ef8-4e87-819e-5ccb7cd18b14", "severity": "medium", "tags": [ @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_werfault.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_werfault.json index 39cf9860dadcd..0fb020c2bf374 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_werfault.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_masquerading_werfault.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_misc_lolbin_connecting_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_misc_lolbin_connecting_to_the_internet.json index 686e9a1d4fa49..47b7c3d26f040 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_misc_lolbin_connecting_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_misc_lolbin_connecting_to_the_internet.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -49,5 +50,5 @@ } ], "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modification_of_boot_config.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modification_of_boot_config.json index 78a22ce98675a..28b11dc5168b5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modification_of_boot_config.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modification_of_boot_config.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modify_environment_launchctl.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modify_environment_launchctl.json new file mode 100644 index 0000000000000..a1ed10fc7dbe9 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_modify_environment_launchctl.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies modifications to an environment variable using the built-in launchctl command. Adversaries may execute their own malicious payloads by hijacking certain environment variables to load arbitrary libraries or bypass certain restrictions.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Modification of Environment Variable via Launchctl", + "query": "event.category:process and event.type:start and process.name:launchctl and process.args:(setenv and not (JAVA*_HOME or RUNTIME_JAVA_HOME or DBUS_LAUNCHD_SESSION_BUS_SOCKET or ANT_HOME))", + "references": [ + "https://github.com/rapid7/metasploit-framework/blob/master//modules/post/osx/escalate/tccbypass.rb" + ], + "risk_score": 47, + "rule_id": "7453e19e-3dbf-4e4e-9ae0-33d6c6ed15e1", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1574", + "name": "Hijack Execution Flow", + "reference": "https://attack.mitre.org/techniques/T1574/", + "subtechnique": [ + { + "id": "T1574.007", + "name": "Path Interception by PATH Environment Variable", + "reference": "https://attack.mitre.org/techniques/T1574/007/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msbuild_making_network_connections.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msbuild_making_network_connections.json index b157c7f16f9ac..361796104a9a7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msbuild_making_network_connections.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msbuild_making_network_connections.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_mshta_beacon.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_mshta_beacon.json index f3da8be382f46..9947b261c6ef3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_mshta_beacon.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_mshta_beacon.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msxsl_network.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msxsl_network.json index b20766548cb3e..bed35a8723592 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msxsl_network.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_msxsl_network.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_network_connection_from_windows_binary.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_network_connection_from_windows_binary.json index 88fd8a2054ee8..75cf701de1e46 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_network_connection_from_windows_binary.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_network_connection_from_windows_binary.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_port_forwarding_added_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_port_forwarding_added_registry.json index 29e24822e3696..547630e0fa84b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_port_forwarding_added_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_port_forwarding_added_registry.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_potential_processherpaderping.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_potential_processherpaderping.json index 5f8975c41cf18..6ff8025ac0cd5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_potential_processherpaderping.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_potential_processherpaderping.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +44,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_privacy_controls_tcc_database_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_privacy_controls_tcc_database_modification.json new file mode 100644 index 0000000000000..5f00335439319 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_privacy_controls_tcc_database_modification.json @@ -0,0 +1,57 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the use of sqlite3 to directly modify the Transparency, Consent, and Control (TCC) SQLite database. This may indicate an attempt to bypass macOS privacy controls, including access to sensitive resources like the system camera, microphone, address book, and calendar.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential Privacy Control Bypass via TCCDB Modification", + "query": "process where event.type in (\"start\", \"process_started\") and process.name : \"sqlite*\" and \n process.args : \"/*/Application Support/com.apple.TCC/TCC.db\"\n", + "references": [ + "https://applehelpwriter.com/2016/08/29/discovering-how-dropbox-hacks-your-mac/", + "https://github.com/bp88/JSS-Scripts/blob/master/TCC.db Modifier.sh", + "https://medium.com/@mattshockl/cve-2020-9934-bypassing-the-os-x-transparency-consent-and-control-tcc-framework-for-4e14806f1de8" + ], + "risk_score": 47, + "rule_id": "eea82229-b002-470e-a9e1-00be38b14d32", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1562", + "name": "Impair Defenses", + "reference": "https://attack.mitre.org/techniques/T1562/", + "subtechnique": [ + { + "id": "T1562.001", + "name": "Disable or Modify Tools", + "reference": "https://attack.mitre.org/techniques/T1562/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_privilege_escalation_privacy_pref_sshd_fulldiskaccess.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_privilege_escalation_privacy_pref_sshd_fulldiskaccess.json new file mode 100644 index 0000000000000..fad033bd41757 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_privilege_escalation_privacy_pref_sshd_fulldiskaccess.json @@ -0,0 +1,64 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies use of the Secure Copy Protocol (SCP) to copy files locally by abusing the auto addition of the Secure Shell Daemon (sshd) to the authorized application list for Full Disk Access. This may indicate attempts to bypass macOS privacy controls to access sensitive files.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential Privacy Control Bypass via Localhost Secure Copy", + "query": "process where event.type in (\"start\", \"process_started\") and \n process.name:\"scp\" and\n process.args:\"StrictHostKeyChecking=no\" and \n process.command_line:(\"scp *localhost:/*\", \"scp *127.0.0.1:/*\") and\n not process.args:\"vagrant@*127.0.0.1*\"\n", + "references": [ + "https://blog.trendmicro.com/trendlabs-security-intelligence/xcsset-mac-malware-infects-xcode-projects-performs-uxss-attack-on-safari-other-browsers-leverages-zero-day-exploits/" + ], + "risk_score": 73, + "rule_id": "c02c8b9f-5e1d-463c-a1b0-04edcdfe1a3d", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Privilege Escalation", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1548", + "name": "Abuse Elevation Control Mechanism", + "reference": "https://attack.mitre.org/techniques/T1548/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1548", + "name": "Abuse Elevation Control Mechanism", + "reference": "https://attack.mitre.org/techniques/T1548/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_rundll32_no_arguments.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_rundll32_no_arguments.json index 8dbc0e5ef76fe..54938bc2d1d6f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_rundll32_no_arguments.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_rundll32_no_arguments.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_safari_config_change.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_safari_config_change.json new file mode 100644 index 0000000000000..5a08f3bd90855 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_safari_config_change.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies changes to the Safari configuration using the built-in defaults command. Adversaries may attempt to enable or disable certain Safari settings, such as enabling JavaScript from Apple Events to ease in the hijacking of the users browser.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Modification of Safari Settings via Defaults Command", + "query": "event.category:process and event.type:start and process.name:defaults and process.args: (com.apple.Safari and write and not ( UniversalSearchEnabled or SuppressSearchSuggestions or WebKitTabToLinksPreferenceKey or ShowFullURLInSmartSearchField or com.apple.Safari.ContentPageGroupIdentifier.WebKit2TabsToLinks ) )", + "references": [ + "https://objectivebythesea.com/v2/talks/OBTS_v2_Zohar.pdf" + ], + "risk_score": 47, + "rule_id": "6482255d-f468-45ea-a5b3-d3a7de1331ae", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1562", + "name": "Impair Defenses", + "reference": "https://attack.mitre.org/techniques/T1562/", + "subtechnique": [ + { + "id": "T1562.001", + "name": "Disable or Modify Tools", + "reference": "https://attack.mitre.org/techniques/T1562/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sandboxed_office_app_suspicious_zip_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sandboxed_office_app_suspicious_zip_file.json new file mode 100644 index 0000000000000..9542eed5a6060 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sandboxed_office_app_suspicious_zip_file.json @@ -0,0 +1,33 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation of a suspicious zip file prepended with special characters. Sandboxed Microsoft Office applications on macOS are allowed to write files that start with special characters, which can be combined with an AutoStart location to achieve sandbox evasion.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Microsoft Office Sandbox Evasion", + "query": "event.category:file and not event.type:deletion and file.name:~$*.zip", + "references": [ + "https://i.blackhat.com/USA-20/Wednesday/us-20-Wardle-Office-Drama-On-macOS.pdf", + "https://www.mdsec.co.uk/2018/08/escaping-the-sandbox-microsoft-office-on-macos/", + "https://desi-jarvis.medium.com/office365-macos-sandbox-escape-fcce4fa4123c" + ], + "risk_score": 73, + "rule_id": "d22a85c6-d2ad-4cc4-bf7b-54787473669a", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_scheduledjobs_at_protocol_enabled.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_scheduledjobs_at_protocol_enabled.json index 0176016d89f4d..e6cb50ab79f4b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_scheduledjobs_at_protocol_enabled.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_scheduledjobs_at_protocol_enabled.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sdelete_like_filename_rename.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sdelete_like_filename_rename.json index eb01d608e54b7..a67e09916b783 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sdelete_like_filename_rename.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sdelete_like_filename_rename.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Potential Secure File Deletion via SDelete Utility", "note": "Verify process details such as command line and hash to confirm this activity legitimacy.", - "query": "file where event.type == \"change\" and wildcard(file.name,\"*AAA.AAA\")\n", + "query": "file where event.type == \"change\" and file.name : \"*AAA.AAA\"\n", "risk_score": 21, "rule_id": "5aee924b-6ceb-4633-980e-1bde8cdb40c5", "severity": "low", @@ -49,5 +50,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sip_provider_mod.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sip_provider_mod.json new file mode 100644 index 0000000000000..4eea43aada3a8 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_sip_provider_mod.json @@ -0,0 +1,56 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies modifications to the registered Subject Interface Package (SIP) providers. SIP providers are used by the Windows cryptographic system to validate file signatures on the system. This may be an attempt to bypass signature validation checks or inject code into critical processes.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "SIP Provider Modification", + "query": "registry where event.type:\"change\" and\n registry.path: (\n \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Cryptography\\\\OID\\\\EncodingType 0\\\\CryptSIPDllPutSignedDataMsg\\\\{*}\\\\Dll\",\n \"HKLM\\\\SOFTWARE\\\\WOW6432Node\\\\Microsoft\\\\Cryptography\\\\OID\\\\EncodingType 0\\\\CryptSIPDllPutSignedDataMsg\\\\{*}\\\\Dll\",\n \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Cryptography\\\\Providers\\\\Trust\\\\FinalPolicy\\\\{*}\\\\$Dll\",\n \"HKLM\\\\SOFTWARE\\\\WOW6432Node\\\\Microsoft\\\\Cryptography\\\\Providers\\\\Trust\\\\FinalPolicy\\\\{*}\\\\$Dll\"\n ) and\n registry.data.strings:\"*.dll\"\n", + "references": [ + "https://github.com/mattifestation/PoCSubjectInterfacePackage" + ], + "risk_score": 47, + "rule_id": "f2c7b914-eda3-40c2-96ac-d23ef91776ca", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1553", + "name": "Subvert Trust Controls", + "reference": "https://attack.mitre.org/techniques/T1553/", + "subtechnique": [ + { + "id": "T1553.003", + "name": "SIP and Trust Provider Hijacking", + "reference": "https://attack.mitre.org/techniques/T1553/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_solarwinds_backdoor_service_disabled_via_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_solarwinds_backdoor_service_disabled_via_registry.json index 0b5ca834c9c8f..f9a94e85f5a47 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_solarwinds_backdoor_service_disabled_via_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_solarwinds_backdoor_service_disabled_via_registry.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -73,5 +74,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_stop_process_service_threshold.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_stop_process_service_threshold.json index 4ee3172fea7eb..d5df975cfbd87 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_stop_process_service_threshold.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_stop_process_service_threshold.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -51,5 +52,5 @@ "value": 10 }, "type": "threshold", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_managedcode_host_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_managedcode_host_process.json index f6722e13eaf05..fbd006936253e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_managedcode_host_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_managedcode_host_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_scrobj_load.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_scrobj_load.json index 2f0f762031faa..4f46432770660 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_scrobj_load.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_scrobj_load.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Windows Suspicious Script Object Execution", - "query": "/* add winlogbeat-* when process.code_signature.* fields are populated */\n\nsequence by process.entity_id with maxspan=2m\n [process where event.type in (\"start\", \"process_started\") and\n /* uncomment once in winlogbeat */\n /* process.code_signature.subject_name == \"Microsoft Corporation\" and process.code_signature.trusted == true and */\n not (process.name : \"cscript.exe\" or\n process.name : \"iexplore.exe\" or\n process.name : \"MicrosoftEdge.exe\" or\n process.name : \"msiexec.exe\" or\n process.name : \"smartscreen.exe\" or\n process.name : \"taskhostw.exe\" or\n process.name : \"w3wp.exe\" or\n process.name : \"wscript.exe\")]\n [library where event.type == \"start\" and file.name : \"scrobj.dll\"]\n", + "query": "/* add winlogbeat-* when process.code_signature.* fields are populated */\n\nsequence by process.entity_id with maxspan = 2m\n [process where event.type in (\"start\", \"process_started\") and\n /* uncomment once in winlogbeat */\n /* process.code_signature.subject_name : \"Microsoft Corporation\" and process.code_signature.trusted : true and */\n not process.name : (\n \"cscript.exe\",\n \"iexplore.exe\",\n \"MicrosoftEdge.exe\",\n \"msiexec.exe\",\n \"smartscreen.exe\",\n \"taskhostw.exe\",\n \"w3wp.exe\",\n \"wscript.exe\")]\n [library where event.type == \"start\" and dll.name : \"scrobj.dll\"]\n", "risk_score": 21, "rule_id": "4ed678a9-3a4f-41fb-9fea-f85a6e0a0dff", "severity": "medium", @@ -34,5 +35,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_wmi_script.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_wmi_script.json index e922416264359..7c6998f929e09 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_wmi_script.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_wmi_script.json @@ -5,12 +5,14 @@ "description": "Identifies WMIC whitelisting bypass techniques by alerting on suspicious execution of scripts. When WMIC loads scripting libraries it may be indicative of a whitelist bypass.", "from": "now-9m", "index": [ - "logs-endpoint.events.*" + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious WMIC XSL Script Execution", - "query": "sequence by process.entity_id with maxspan=2m\n[process where event.type in (\"start\", \"process_started\") and\n (process.name : \"WMIC.exe\" or process.pe.original_file_name == \"wmic.exe\") and\n wildcard(process.args, \"format*:*\", \"/format*:*\", \"*-format*:*\") and\n not wildcard(process.command_line, \"* /format:table *\")]\n[library where event.type == \"start\" and file.name in (\"jscript.dll\", \"vbscript.dll\")]\n", + "query": "sequence by process.entity_id with maxspan = 2m\n[process where event.type in (\"start\", \"process_started\") and\n (process.name : \"WMIC.exe\" or process.pe.original_file_name : \"wmic.exe\") and\n process.args : (\"format*:*\", \"/format*:*\", \"*-format*:*\") and\n not process.command_line : \"* /format:table *\"]\n[library where event.type == \"start\" and dll.name : (\"jscript.dll\", \"vbscript.dll\")]\n", "risk_score": 21, "rule_id": "7f370d54-c0eb-4270-ac5a-9a6020585dc6", "severity": "medium", @@ -39,5 +41,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_zoom_child_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_zoom_child_process.json index 6abe5b5ee4c40..571f42cf0e942 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_zoom_child_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_suspicious_zoom_child_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -46,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_system_critical_proc_abnormal_file_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_system_critical_proc_abnormal_file_activity.json index 265f648c7959d..811dae6b7ce53 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_system_critical_proc_abnormal_file_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_system_critical_proc_abnormal_file_activity.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_tcc_bypass_mounted_apfs_access.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_tcc_bypass_mounted_apfs_access.json new file mode 100644 index 0000000000000..d79c90e703ef7 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_tcc_bypass_mounted_apfs_access.json @@ -0,0 +1,48 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the use of the mount_apfs command to mount the entire file system through Apple File System (APFS) snapshots as read-only and with the noowners flag set. This action enables the adversary to access almost any file in the file system, including all user data and files protected by Apple\u2019s privacy framework (TCC).", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "TCC Bypass via Mounted APFS Snapshot Access", + "query": "event.category : process and event.type : (start or process_started) and process.name : mount_apfs and process.args : (/System/Volumes/Data and noowners)", + "references": [ + "https://theevilbit.github.io/posts/cve_2020_9771/" + ], + "risk_score": 73, + "rule_id": "b00bcd89-000c-4425-b94c-716ef67762f6", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1006", + "name": "Direct Volume Access", + "reference": "https://attack.mitre.org/techniques/T1006/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_timestomp_touch.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_timestomp_touch.json index fe8268d11cc2d..e6275668be487 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_timestomp_touch.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_timestomp_touch.json @@ -12,7 +12,7 @@ "license": "Elastic License", "max_signals": 33, "name": "Timestomping using Touch Command", - "query": "process where event.type in (\"start\", \"process_started\") and\n process.name == \"touch\" and wildcard(process.args, \"-r\", \"-t\", \"-a*\",\"-m*\")\n", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.name : \"touch\" and process.args : (\"-r\", \"-t\", \"-a*\",\"-m*\")\n", "risk_score": 47, "rule_id": "b0046934-486e-462f-9487-0d4cf9e429c6", "severity": "medium", @@ -50,5 +50,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unload_endpointsecurity_kext.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unload_endpointsecurity_kext.json new file mode 100644 index 0000000000000..9725619d5b399 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unload_endpointsecurity_kext.json @@ -0,0 +1,52 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies attempts to unload the Elastic Endpoint Security kernel extension via the kextunload command.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Attempt to Unload Elastic Endpoint Security Kernel Extension", + "query": "event.category:process and event.type:(start or process_started) and process.name:kextunload and process.args:(\"/System/Library/Extensions/EndpointSecurity.kext\" or \"EndpointSecurity.kext\")", + "risk_score": 73, + "rule_id": "70fa1af4-27fd-4f26-bd03-50b6af6b9e24", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1562", + "name": "Impair Defenses", + "reference": "https://attack.mitre.org/techniques/T1562/", + "subtechnique": [ + { + "id": "T1562.001", + "name": "Disable or Modify Tools", + "reference": "https://attack.mitre.org/techniques/T1562/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_ads_file_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_ads_file_creation.json new file mode 100644 index 0000000000000..4afbf0472f025 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_ads_file_creation.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies suspicious creation of Alternate Data Streams on highly targeted files. This is uncommon for legitimate files and sometimes done by adversaries to hide malware.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Unusual File Creation - Alternate Data Stream", + "query": "file where event.type == \"creation\" and\n file.path : \"C:\\\\*:*\" and\n not file.path : \"C:\\\\*:zone.identifier*\" and\n file.extension :\n (\n \"pdf\",\n \"dll\",\n \"png\",\n \"exe\",\n \"dat\",\n \"com\",\n \"bat\",\n \"cmd\",\n \"sys\",\n \"vbs\",\n \"ps1\",\n \"hta\",\n \"txt\",\n \"vbe\",\n \"js\",\n \"wsh\",\n \"docx\",\n \"doc\",\n \"xlsx\",\n \"xls\",\n \"pptx\",\n \"ppt\",\n \"rtf\",\n \"gif\",\n \"jpg\",\n \"png\",\n \"bmp\",\n \"img\",\n \"iso\"\n )\n", + "risk_score": 47, + "rule_id": "71bccb61-e19b-452f-b104-79a60e546a95", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1564", + "name": "Hide Artifacts", + "reference": "https://attack.mitre.org/techniques/T1564/", + "subtechnique": [ + { + "id": "T1564.004", + "name": "NTFS File Attributes", + "reference": "https://attack.mitre.org/techniques/T1564/004/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_dir_ads.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_dir_ads.json index 3327afd89f541..ed10ddf4a4fb7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_dir_ads.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_dir_ads.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies processes running from an Alternate Data Stream. This is uncommon for legitimate processes and sometimes done by adversaries to hide malware.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_network_connection_via_rundll32.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_network_connection_via_rundll32.json index 8c885aa52be59..19665527ccabb 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_network_connection_via_rundll32.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_network_connection_via_rundll32.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_process_network_connection.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_process_network_connection.json index bd8ac27521a43..77b932b97c88f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_process_network_connection.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_process_network_connection.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_system_vp_child_program.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_system_vp_child_program.json index 819c85a1ade62..f20998dea964b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_system_vp_child_program.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_unusual_system_vp_child_program.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_via_filter_manager.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_via_filter_manager.json index fc7a66be016ef..797a2bad31c4c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_via_filter_manager.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_via_filter_manager.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "The Filter Manager Control Program (fltMC.exe) binary may be abused by adversaries to unload a filter driver and evade defenses.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -40,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_volume_shadow_copy_deletion_via_wmic.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_volume_shadow_copy_deletion_via_wmic.json index b41ad15ca3e17..11623d61fa697 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_volume_shadow_copy_deletion_via_wmic.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/defense_evasion_volume_shadow_copy_deletion_via_wmic.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_adfind_command_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_adfind_command_activity.json index 6bdc8a65154e3..6448315661177 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_adfind_command_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_adfind_command_activity.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -74,5 +75,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_admin_recon.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_admin_recon.json index 57c9ba77385c1..355b5df097a13 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_admin_recon.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_admin_recon.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies instances of lower privilege accounts enumerating Administrator accounts or groups using built-in Windows tools.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -45,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_file_dir_discovery.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_file_dir_discovery.json index c6ed732870195..a4e76120504cc 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_file_dir_discovery.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_file_dir_discovery.json @@ -3,14 +3,19 @@ "Elastic" ], "description": "Enumeration of files and directories using built-in tools. Adversaries may use the information discovered to plan follow-on activity.", + "false_positives": [ + "Enumeration of files and directories may not be inherently malicious and noise may come from scripts, automation tools, or normal command line usage. It's important to baseline your environment to determine the amount of expected noise and exclude any known FP's from the rule." + ], + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "File and Directory Discovery", - "query": "process where event.type in (\"start\", \"process_started\") and\n (process.name : \"cmd.exe\" or process.pe.original_file_name == \"Cmd.Exe\") and\n process.args : (\"dir\", \"tree\")\n", + "query": "sequence by agent.id, user.name with maxspan=1m\n[process where event.type in (\"start\", \"process_started\") and\n ((process.name : \"cmd.exe\" or process.pe.original_file_name == \"Cmd.Exe\") and process.args : \"dir\") or\n process.name : \"tree.com\"]\n[process where event.type in (\"start\", \"process_started\") and\n ((process.name : \"cmd.exe\" or process.pe.original_file_name == \"Cmd.Exe\") and process.args : \"dir\") or\n process.name : \"tree.com\"]\n[process where event.type in (\"start\", \"process_started\") and\n ((process.name : \"cmd.exe\" or process.pe.original_file_name == \"Cmd.Exe\") and process.args : \"dir\") or\n process.name : \"tree.com\"]\n", "risk_score": 21, "rule_id": "7b08314d-47a0-4b71-ae4e-16544176924f", "severity": "low", @@ -40,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_command_system_account.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_command_system_account.json index 5572178361a09..25cdc2bd1c44e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_command_system_account.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_command_system_account.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_view.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_view.json index 0f4be41389cbc..1cb6364a323f5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_view.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_net_view.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies attempts to enumerate hosts in a network using the built-in Windows net.exe tool.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -45,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_peripheral_device.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_peripheral_device.json index 005a7d34ba718..467ce488252a1 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_peripheral_device.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_peripheral_device.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies use of the Windows file system utility (fsutil.exe ) to gather information about attached peripheral devices and components connected to a computer system.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_process_discovery_via_tasklist_command.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_process_discovery_via_tasklist_command.json index af28fe75f525f..32a434c1a9a06 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_process_discovery_via_tasklist_command.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_process_discovery_via_tasklist_command.json @@ -6,9 +6,11 @@ "false_positives": [ "Administrators may use the tasklist command to display a list of currently running processes. By itself, it does not indicate malicious activity. After obtaining a foothold, it's possible adversaries may use discovery commands like tasklist to get information about running processes." ], + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -43,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_query_registry_via_reg.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_query_registry_via_reg.json index a04e97e2fa9f6..1933ec66c866f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_query_registry_via_reg.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_query_registry_via_reg.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Enumeration or discovery of the Windows registry using reg.exe. This information can be used to perform follow-on activities.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_remote_system_discovery_commands_windows.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_remote_system_discovery_commands_windows.json index 24e3bd87c526d..8f8ccf5943061 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_remote_system_discovery_commands_windows.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_remote_system_discovery_commands_windows.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Discovery of remote system information using built-in commands, which may be used to mover laterally.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_grep.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_grep.json new file mode 100644 index 0000000000000..d211fad332da6 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_grep.json @@ -0,0 +1,46 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the use of the grep command to discover known third-party macOS and Linux security tools, such as Antivirus or Host Firewall details.", + "from": "now-9m", + "index": [ + "logs-endpoint.events.*", + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Security Software Discovery via Grep", + "query": "event.category : process and event.type : (start or process_started) and process.name : grep and process.args : (\"Little Snitch\" or Avast* or Avira* or ESET* or esets_* or BlockBlock or 360* or LuLu or KnockKnock* or kav or KIS or RTProtectionDaemon or Malware* or VShieldScanner or WebProtection or webinspectord or McAfee* or isecespd* or macmnsvc* or masvc or kesl or avscan or guard or rtvscand or symcfgd or scmdaemon or symantec or elastic-endpoint )", + "risk_score": 47, + "rule_id": "870aecc0-cea4-4110-af3f-e02e9b373655", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Linux", + "Threat Detection", + "Discovery" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0007", + "name": "Discovery", + "reference": "https://attack.mitre.org/tactics/TA0007/" + }, + "technique": [ + { + "id": "T1518", + "name": "Software Discovery", + "reference": "https://attack.mitre.org/techniques/T1518/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_wmic.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_wmic.json index 51d4425f7d538..89c6390856e92 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_wmic.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_security_software_wmic.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_users_domain_built_in_commands.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_users_domain_built_in_commands.json new file mode 100644 index 0000000000000..928585fb59968 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_users_domain_built_in_commands.json @@ -0,0 +1,50 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of macOS built-in commands related to account or group enumeration.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Enumeration of Users or Groups via Built-in Commands", + "query": "process where event.type in (\"start\", \"process_started\") and\n not process.parent.executable : (\"/Applications/NoMAD.app/Contents/MacOS/NoMAD\", \n \"/Applications/ZoomPresence.app/Contents/MacOS/ZoomPresence\") and \n process.name : (\"ldapsearch\", \"dsmemberutil\") or\n (process.name : \"dscl\" and \n process.args : (\"read\", \"-read\", \"list\", \"-list\", \"ls\", \"search\", \"-search\") and \n process.args : (\"/Active Directory/*\", \"/Users*\", \"/Groups*\"))\n", + "risk_score": 21, + "rule_id": "6e9b351e-a531-4bdc-b73e-7034d6eed7ff", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Discovery" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0007", + "name": "Discovery", + "reference": "https://attack.mitre.org/tactics/TA0007/" + }, + "technique": [ + { + "id": "T1069", + "name": "Permission Groups Discovery", + "reference": "https://attack.mitre.org/techniques/T1069/" + }, + { + "id": "T1087", + "name": "Account Discovery", + "reference": "https://attack.mitre.org/techniques/T1087/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_whoami_command_activity.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_whoami_command_activity.json index bb6810f5437d3..2ed21b39f8246 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_whoami_command_activity.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/discovery_whoami_command_activity.json @@ -6,9 +6,11 @@ "false_positives": [ "Some normal use of this program, at varying levels of frequency, may originate from scripts, automation tools and frameworks. Usage by non-engineers and ordinary users is unusual." ], + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -43,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_child_cmd_powershell.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_child_cmd_powershell.json index 8786510ee5cb7..a60122ef6c1a2 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_child_cmd_powershell.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_child_cmd_powershell.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -70,5 +71,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_unusual_child_processes.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_unusual_child_processes.json index fc12a48e3f5a1..04f204a4596b3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_unusual_child_processes.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_apt_solarwinds_backdoor_unusual_child_processes.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -70,5 +71,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_com_object_xwizard.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_com_object_xwizard.json new file mode 100644 index 0000000000000..182704d149e48 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_com_object_xwizard.json @@ -0,0 +1,57 @@ +{ + "author": [ + "Elastic" + ], + "description": "Windows Component Object Model (COM) is an inter-process communication (IPC) component of the native Windows application programming interface (API) that enables interaction between software objects or executable code. Xwizard can be used to run a COM object created in registry to evade defensive counter measures.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Execution of COM object via Xwizard", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.pe.original_file_name : \"xwizard.exe\" and\n (\n (process.args : \"RunWizard\" and process.args : \"{*}\") or\n (process.executable != null and\n not process.executable : (\"C:\\\\Windows\\\\SysWOW64\\\\xwizard.exe\", \"C:\\\\Windows\\\\System32\\\\xwizard.exe\")\n )\n )\n", + "references": [ + "https://lolbas-project.github.io/lolbas/Binaries/Xwizard/", + "http://www.hexacorn.com/blog/2017/07/31/the-wizard-of-x-oppa-plugx-style/" + ], + "risk_score": 47, + "rule_id": "1a6075b0-7479-450e-8fe7-b8b8438ac570", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1559", + "name": "Inter-Process Communication", + "reference": "https://attack.mitre.org/techniques/T1559/", + "subtechnique": [ + { + "id": "T1559.001", + "name": "Component Object Model", + "reference": "https://attack.mitre.org/techniques/T1559/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_prompt_connecting_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_prompt_connecting_to_the_internet.json index 12d2a94afc823..e038ed56ec175 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_prompt_connecting_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_prompt_connecting_to_the_internet.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -58,5 +59,5 @@ } ], "type": "eql", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_powershell.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_powershell.json index aa0632c5614f6..16b964b6e9588 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_powershell.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_powershell.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_svchost.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_svchost.json index d5042ee5d64fd..cde62236effe0 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_svchost.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_svchost.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_unusual_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_unusual_process.json index 90b3759d93de9..981fdb5a4f7f2 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_unusual_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_started_by_unusual_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_via_rundll32.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_via_rundll32.json index 45ee672c1d635..641abc92b1204 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_via_rundll32.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_command_shell_via_rundll32.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_defense_evasion_electron_app_childproc_node_js.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_defense_evasion_electron_app_childproc_node_js.json new file mode 100644 index 0000000000000..eb80782fe2495 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_defense_evasion_electron_app_childproc_node_js.json @@ -0,0 +1,66 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies attempts to execute a child process from within the context of an Electron application using the child_process Node.js module. Adversaries may abuse this technique to inherit permissions from parent processes.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Execution via Electron Child Process Node.js Module", + "query": "event.category:process and event.type:(start or process_started) and process.args:(\"-e\" and const*require*child_process*)", + "references": [ + "https://www.matthewslipper.com/2019/09/22/everything-you-wanted-electron-child-process.html", + "https://www.trustedsec.com/blog/macos-injection-via-third-party-frameworks/", + "https://nodejs.org/api/child_process.html" + ], + "risk_score": 47, + "rule_id": "35330ba2-c859-4c98-8b7f-c19159ea0e58", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Defense Evasion", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1059", + "name": "Command and Scripting Interpreter", + "reference": "https://attack.mitre.org/techniques/T1059/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1548", + "name": "Abuse Elevation Control Mechanism", + "reference": "https://attack.mitre.org/techniques/T1548/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_enumeration_via_wmiprvse.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_enumeration_via_wmiprvse.json new file mode 100644 index 0000000000000..0fe7321ebe4b3 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_enumeration_via_wmiprvse.json @@ -0,0 +1,46 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies native Windows host and network enumeration commands spawned by the Windows Management Instrumentation Provider Service (WMIPrvSE).", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Enumeration Command Spawned via WMIPrvSE", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.name:\n (\n \"arp.exe\",\n \"dsquery.exe\",\n \"dsget.exe\",\n \"gpresult.exe\",\n \"hostname.exe\",\n \"ipconfig.exe\",\n \"nbtstat.exe\",\n \"net.exe\",\n \"net1.exe\",\n \"netsh.exe\",\n \"netstat.exe\",\n \"nltest.exe\",\n \"ping.exe\",\n \"qprocess.exe\",\n \"quser.exe\",\n \"qwinsta.exe\",\n \"reg.exe\",\n \"sc.exe\",\n \"systeminfo.exe\",\n \"tasklist.exe\",\n \"tracert.exe\",\n \"whoami.exe\"\n ) and\n process.parent.name:\"wmiprvse.exe\"\n", + "risk_score": 21, + "rule_id": "770e0c4d-b998-41e5-a62e-c7901fd7f470", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1047", + "name": "Windows Management Instrumentation", + "reference": "https://attack.mitre.org/techniques/T1047/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_directory.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_directory.json index 43166722e6fc0..a6bc33e4b2e73 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_directory.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_directory.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -24,5 +25,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_path_cmdline.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_path_cmdline.json index 2663b97bd9151..63adf0a602e2c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_path_cmdline.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_from_unusual_path_cmdline.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Execution from Unusual Directory - Command Line", "note": "This is related to the Process Execution from an Unusual Directory rule", - "query": "process where event.type in (\"start\", \"process_started\", \"info\") and\n process.name : (\"wscript.exe\",\"cscript.exe\",\"rundll32.exe\",\"regsvr32.exe\",\"cmstp.exe\",\"RegAsm.exe\",\"installutil.exe\",\"mshta.exe\",\"RegSvcs.exe\") and\n /* add suspicious execution paths here */\nprocess.args : (\"C:\\\\PerfLogs\\\\*\",\"C:\\\\Users\\\\Public\\\\*\",\"C:\\\\Users\\\\Default\\\\*\",\"C:\\\\Windows\\\\Tasks\\\\*\",\"C:\\\\Intel\\\\*\", \"C:\\\\AMD\\\\Temp\\\\*\", \n \"C:\\\\Windows\\\\AppReadiness\\\\*\", \"C:\\\\Windows\\\\ServiceState\\\\*\",\"C:\\\\Windows\\\\security\\\\*\",\"C:\\\\Windows\\\\IdentityCRL\\\\*\",\"C:\\\\Windows\\\\Branding\\\\*\",\"C:\\\\Windows\\\\csc\\\\*\",\n \"C:\\\\Windows\\\\DigitalLocker\\\\*\",\"C:\\\\Windows\\\\en-US\\\\*\",\"C:\\\\Windows\\\\wlansvc\\\\*\",\"C:\\\\Windows\\\\Prefetch\\\\*\",\"C:\\\\Windows\\\\Fonts\\\\*\",\n \"C:\\\\Windows\\\\diagnostics\\\\*\",\"C:\\\\Windows\\\\TAPI\\\\*\",\"C:\\\\Windows\\\\INF\\\\*\",\"C:\\\\Windows\\\\System32\\\\Speech\\\\*\",\"C:\\\\windows\\\\tracing\\\\*\",\n \"c:\\\\windows\\\\IME\\\\*\",\"c:\\\\Windows\\\\Performance\\\\*\",\"c:\\\\windows\\\\intel\\\\*\",\"c:\\\\windows\\\\ms\\\\*\",\"C:\\\\Windows\\\\dot3svc\\\\*\",\"C:\\\\Windows\\\\ServiceProfiles\\\\*\",\n \"C:\\\\Windows\\\\panther\\\\*\",\"C:\\\\Windows\\\\RemotePackages\\\\*\",\"C:\\\\Windows\\\\OCR\\\\*\",\"C:\\\\Windows\\\\appcompat\\\\*\",\"C:\\\\Windows\\\\apppatch\\\\*\",\"C:\\\\Windows\\\\addins\\\\*\",\n \"C:\\\\Windows\\\\Setup\\\\*\",\"C:\\\\Windows\\\\Help\\\\*\",\"C:\\\\Windows\\\\SKB\\\\*\",\"C:\\\\Windows\\\\Vss\\\\*\",\"C:\\\\Windows\\\\Web\\\\*\",\"C:\\\\Windows\\\\servicing\\\\*\",\"C:\\\\Windows\\\\CbsTemp\\\\*\",\n \"C:\\\\Windows\\\\Logs\\\\*\",\"C:\\\\Windows\\\\WaaS\\\\*\",\"C:\\\\Windows\\\\twain_32\\\\*\",\"C:\\\\Windows\\\\ShellExperiences\\\\*\",\"C:\\\\Windows\\\\ShellComponents\\\\*\",\"C:\\\\Windows\\\\PLA\\\\*\",\n \"C:\\\\Windows\\\\Migration\\\\*\",\"C:\\\\Windows\\\\debug\\\\*\",\"C:\\\\Windows\\\\Cursors\\\\*\",\"C:\\\\Windows\\\\Containers\\\\*\",\"C:\\\\Windows\\\\Boot\\\\*\",\"C:\\\\Windows\\\\bcastdvr\\\\*\",\n \"C:\\\\Windows\\\\assembly\\\\*\",\"C:\\\\Windows\\\\TextInput\\\\*\",\"C:\\\\Windows\\\\security\\\\*\",\"C:\\\\Windows\\\\schemas\\\\*\",\"C:\\\\Windows\\\\SchCache\\\\*\",\"C:\\\\Windows\\\\Resources\\\\*\",\n \"C:\\\\Windows\\\\rescache\\\\*\",\"C:\\\\Windows\\\\Provisioning\\\\*\",\"C:\\\\Windows\\\\PrintDialog\\\\*\",\"C:\\\\Windows\\\\PolicyDefinitions\\\\*\",\"C:\\\\Windows\\\\media\\\\*\",\n \"C:\\\\Windows\\\\Globalization\\\\*\",\"C:\\\\Windows\\\\L2Schemas\\\\*\",\"C:\\\\Windows\\\\LiveKernelReports\\\\*\",\"C:\\\\Windows\\\\ModemLogs\\\\*\",\"C:\\\\Windows\\\\ImmersiveControlPanel\\\\*\")\n", + "query": "process where event.type in (\"start\", \"process_started\", \"info\") and\n process.name : (\"wscript.exe\",\"cscript.exe\",\"rundll32.exe\",\"regsvr32.exe\",\"cmstp.exe\",\"RegAsm.exe\",\"installutil.exe\",\"mshta.exe\",\"RegSvcs.exe\", \"powershell.exe\", \"pwsh.exe\", \"cmd.exe\") and\n /* add suspicious execution paths here */\nprocess.args : (\"C:\\\\PerfLogs\\\\*\",\"C:\\\\Users\\\\Public\\\\*\",\"C:\\\\Users\\\\Default\\\\*\",\"C:\\\\Windows\\\\Tasks\\\\*\",\"C:\\\\Intel\\\\*\", \"C:\\\\AMD\\\\Temp\\\\*\", \n \"C:\\\\Windows\\\\AppReadiness\\\\*\", \"C:\\\\Windows\\\\ServiceState\\\\*\",\"C:\\\\Windows\\\\security\\\\*\",\"C:\\\\Windows\\\\IdentityCRL\\\\*\",\"C:\\\\Windows\\\\Branding\\\\*\",\"C:\\\\Windows\\\\csc\\\\*\",\n \"C:\\\\Windows\\\\DigitalLocker\\\\*\",\"C:\\\\Windows\\\\en-US\\\\*\",\"C:\\\\Windows\\\\wlansvc\\\\*\",\"C:\\\\Windows\\\\Prefetch\\\\*\",\"C:\\\\Windows\\\\Fonts\\\\*\",\n \"C:\\\\Windows\\\\diagnostics\\\\*\",\"C:\\\\Windows\\\\TAPI\\\\*\",\"C:\\\\Windows\\\\INF\\\\*\",\"C:\\\\Windows\\\\System32\\\\Speech\\\\*\",\"C:\\\\windows\\\\tracing\\\\*\",\n \"c:\\\\windows\\\\IME\\\\*\",\"c:\\\\Windows\\\\Performance\\\\*\",\"c:\\\\windows\\\\intel\\\\*\",\"c:\\\\windows\\\\ms\\\\*\",\"C:\\\\Windows\\\\dot3svc\\\\*\",\"C:\\\\Windows\\\\ServiceProfiles\\\\*\",\n \"C:\\\\Windows\\\\panther\\\\*\",\"C:\\\\Windows\\\\RemotePackages\\\\*\",\"C:\\\\Windows\\\\OCR\\\\*\",\"C:\\\\Windows\\\\appcompat\\\\*\",\"C:\\\\Windows\\\\apppatch\\\\*\",\"C:\\\\Windows\\\\addins\\\\*\",\n \"C:\\\\Windows\\\\Setup\\\\*\",\"C:\\\\Windows\\\\Help\\\\*\",\"C:\\\\Windows\\\\SKB\\\\*\",\"C:\\\\Windows\\\\Vss\\\\*\",\"C:\\\\Windows\\\\Web\\\\*\",\"C:\\\\Windows\\\\servicing\\\\*\",\"C:\\\\Windows\\\\CbsTemp\\\\*\",\n \"C:\\\\Windows\\\\Logs\\\\*\",\"C:\\\\Windows\\\\WaaS\\\\*\",\"C:\\\\Windows\\\\twain_32\\\\*\",\"C:\\\\Windows\\\\ShellExperiences\\\\*\",\"C:\\\\Windows\\\\ShellComponents\\\\*\",\"C:\\\\Windows\\\\PLA\\\\*\",\n \"C:\\\\Windows\\\\Migration\\\\*\",\"C:\\\\Windows\\\\debug\\\\*\",\"C:\\\\Windows\\\\Cursors\\\\*\",\"C:\\\\Windows\\\\Containers\\\\*\",\"C:\\\\Windows\\\\Boot\\\\*\",\"C:\\\\Windows\\\\bcastdvr\\\\*\",\n \"C:\\\\Windows\\\\assembly\\\\*\",\"C:\\\\Windows\\\\TextInput\\\\*\",\"C:\\\\Windows\\\\security\\\\*\",\"C:\\\\Windows\\\\schemas\\\\*\",\"C:\\\\Windows\\\\SchCache\\\\*\",\"C:\\\\Windows\\\\Resources\\\\*\",\n \"C:\\\\Windows\\\\rescache\\\\*\",\"C:\\\\Windows\\\\Provisioning\\\\*\",\"C:\\\\Windows\\\\PrintDialog\\\\*\",\"C:\\\\Windows\\\\PolicyDefinitions\\\\*\",\"C:\\\\Windows\\\\media\\\\*\",\n \"C:\\\\Windows\\\\Globalization\\\\*\",\"C:\\\\Windows\\\\L2Schemas\\\\*\",\"C:\\\\Windows\\\\LiveKernelReports\\\\*\",\"C:\\\\Windows\\\\ModemLogs\\\\*\",\"C:\\\\Windows\\\\ImmersiveControlPanel\\\\*\",\n \"C:\\\\$Recycle.Bin\\\\*\")\n", "risk_score": 47, "rule_id": "cff92c41-2225-4763-b4ce-6f71e5bda5e6", "severity": "medium", @@ -25,5 +26,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_html_help_executable_program_connecting_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_html_help_executable_program_connecting_to_the_internet.json index b85e74c854636..9cf6ee67a06cc 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_html_help_executable_program_connecting_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_html_help_executable_program_connecting_to_the_internet.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -56,5 +57,5 @@ } ], "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_initial_access_suspicious_browser_childproc.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_initial_access_suspicious_browser_childproc.json new file mode 100644 index 0000000000000..61e770b25290d --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_initial_access_suspicious_browser_childproc.json @@ -0,0 +1,64 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of a suspicious browser child process. Adversaries may gain access to a system through a user visiting a website over the normal course of browsing. With this technique, the user's web browser is typically targeted for exploitation.", + "from": "now-9m", + "index": [ + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Suspicious Browser Child Process", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.parent.name : (\"Google Chrome\", \"Google Chrome Helper*\", \"firefox\", \"Opera\", \"Safari\", \"com.apple.WebKit.WebContent\", \"Microsoft Edge\") and\n process.name : (\"sh\", \"bash\", \"dash\", \"ksh\", \"tcsh\", \"zsh\", \"curl\", \"wget\", \"python*\", \"perl*\", \"php*\", \"osascript\", \"pwsh\") and \n process.command_line != null and \n not process.args : \n ( \n \"/Library/Application Support/Microsoft/MAU*/Microsoft AutoUpdate.app/Contents/MacOS/msupdate\", \n \"hw.model\", \n \"IOPlatformExpertDevice\", \n \"/Volumes/Google Chrome/Google Chrome.app/Contents/Frameworks/*/Resources/install.sh\",\n \"--defaults-torrc\", \n \"Chrome.app\", \n \"Framework.framework/Versions/*/Resources/keystone_promote_preflight.sh\", \n \"/Users/*/Library/Application Support/Google/Chrome/recovery/*/ChromeRecovery\", \n \"$DISPLAY\", \n \"GIO_LAUNCHED_DESKTOP_FILE_PID=$$\"\n )\n", + "references": [ + "https://objective-see.com/blog/blog_0x43.html", + "https://fr.slideshare.net/codeblue_jp/cb19-recent-apt-attack-on-crypto-exchange-employees-by-heungsoo-kang" + ], + "risk_score": 73, + "rule_id": "080bc66a-5d56-4d1f-8071-817671716db9", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Initial Access", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1203", + "name": "Exploitation for Client Execution", + "reference": "https://attack.mitre.org/techniques/T1203/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1189", + "name": "Drive-by Compromise", + "reference": "https://attack.mitre.org/techniques/T1189/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_ms_office_written_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_ms_office_written_file.json index cf1fbc4ba0ba2..dee13e29dfebc 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_ms_office_written_file.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_ms_office_written_file.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -61,5 +62,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pdf_written_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pdf_written_file.json index f0d32cf8882bb..a49e225777ca7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pdf_written_file.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pdf_written_file.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -61,5 +62,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pentest_eggshell_remote_admin_tool.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pentest_eggshell_remote_admin_tool.json new file mode 100644 index 0000000000000..b86a5c1d25bdd --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_pentest_eggshell_remote_admin_tool.json @@ -0,0 +1,32 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of and EggShell Backdoor. EggShell is a known post exploitation tool for macOS and Linux.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "EggShell Backdoor Execution", + "query": "event.category:process and event.type:(start or process_started) and process.name:espl and process.args:eyJkZWJ1ZyI6*", + "references": [ + "https://github.com/neoneggplant/EggShell" + ], + "risk_score": 73, + "rule_id": "41824afb-d68c-4d0e-bfee-474dac1fa56e", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Execution" + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_psexec_lateral_movement_command.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_psexec_lateral_movement_command.json index 00a63dded94c6..ef219d1aa6c75 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_psexec_lateral_movement_command.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_psexec_lateral_movement_command.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -59,5 +60,5 @@ } ], "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_register_server_program_connecting_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_register_server_program_connecting_to_the_internet.json index 4a5defb4f42a4..21672969ccf8f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_register_server_program_connecting_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_register_server_program_connecting_to_the_internet.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -59,5 +60,5 @@ } ], "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_revershell_via_shell_cmd.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_revershell_via_shell_cmd.json new file mode 100644 index 0000000000000..12a8a27bb65d5 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_revershell_via_shell_cmd.json @@ -0,0 +1,51 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of a shell process with suspicious arguments which may be indicative of reverse shell activity.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential Reverse Shell Activity via Terminal", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.name in (\"sh\", \"bash\", \"zsh\", \"dash\", \"zmodload\") and\n process.args:(\"*/dev/tcp/*\", \"*/dev/udp/*\", \"zsh/net/tcp\", \"zsh/net/udp\")\n", + "references": [ + "https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/Methodology%20and%20Resources/Reverse%20Shell%20Cheatsheet.md", + "https://github.com/WangYihang/Reverse-Shell-Manager", + "https://www.netsparker.com/blog/web-security/understanding-reverse-shells/" + ], + "risk_score": 73, + "rule_id": "a1a0375f-22c2-48c0-81a4-7c2d11cc6856", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1059", + "name": "Command and Scripting Interpreter", + "reference": "https://attack.mitre.org/techniques/T1059/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_scheduled_task_powershell_source.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_scheduled_task_powershell_source.json index 3c7e0d00be907..9ace0fe4e2f8e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_scheduled_task_powershell_source.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_scheduled_task_powershell_source.json @@ -9,12 +9,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Outbound Scheduled Task Activity via PowerShell", - "query": "sequence by host.id, process.entity_id with maxspan = 5s\n [library where file.name: \"taskschd.dll\" and process.name: (\"powershell.exe\", \"pwsh.exe\")]\n [network where process.name : (\"powershell.exe\", \"pwsh.exe\") and destination.port == 135 and not destination.address in (\"127.0.0.1\", \"::1\")]\n", + "query": "sequence by host.id, process.entity_id with maxspan = 5s\n [library where dll.name : \"taskschd.dll\" and process.name : (\"powershell.exe\", \"pwsh.exe\")]\n [network where process.name : (\"powershell.exe\", \"pwsh.exe\") and destination.port == 135 and not destination.address in (\"127.0.0.1\", \"::1\")]\n", "references": [ "https://www.volexity.com/blog/2020/12/14/dark-halo-leverages-solarwinds-compromise-to-breach-organizations/" ], @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_script_via_automator_workflows.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_script_via_automator_workflows.json new file mode 100644 index 0000000000000..8796a3edcc345 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_script_via_automator_workflows.json @@ -0,0 +1,47 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of the Automator Workflows process followed by a network connection from it's XPC service. Adversaries may drop a custom workflow template that hosts malicious JavaScript for Automation (JXA) code as an alternative to using osascript.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Suspicious Automator Workflows Execution", + "query": "sequence by host.id with maxspan=30s\n [process where event.type in (\"start\", \"process_started\") and process.name == \"automator\"]\n [network where process.name:\"com.apple.automator.runner\"]\n", + "references": [ + "https://posts.specterops.io/persistent-jxa-66e1c3cd1cf5" + ], + "risk_score": 47, + "rule_id": "5d9f8cfc-0d03-443e-a167-2b0597ce0965", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1059", + "name": "Command and Scripting Interpreter", + "reference": "https://attack.mitre.org/techniques/T1059/" + } + ] + } + ], + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_shared_modules_local_sxs_dll.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_shared_modules_local_sxs_dll.json index 98a11faa076d4..d3d8715d29be0 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_shared_modules_local_sxs_dll.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_shared_modules_local_sxs_dll.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -16,7 +17,7 @@ "references": [ "https://docs.microsoft.com/en-us/windows/win32/dlls/dynamic-link-library-redirection" ], - "risk_score": 43, + "risk_score": 47, "rule_id": "a3ea12f3-0d4e-4667-8b44-4230c63f3c75", "severity": "medium", "tags": [ @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_cmd_wmi.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_cmd_wmi.json index 7c4480b5e9c57..8f6e2d6eca71b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_cmd_wmi.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_cmd_wmi.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious Cmd Execution via WMI", - "query": "process where event.type in (\"start\", \"process_started\") and\n process.parent.name == \"WmiPrvSE.exe\" and process.name == \"cmd.exe\" and\n wildcard(process.args, \"\\\\\\\\127.0.0.1\\\\*\") and process.args in (\"2>&1\", \"1>\")\n", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.parent.name : \"WmiPrvSE.exe\" and process.name : \"cmd.exe\" and\n process.args : \"\\\\\\\\127.0.0.1\\\\*\" and process.args : (\"2>&1\", \"1>\")\n", "risk_score": 47, "rule_id": "12f07955-1674-44f7-86b5-c35da0a6f41a", "severity": "medium", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_image_load_wmi_ms_office.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_image_load_wmi_ms_office.json index aabeb4fb75ab5..79ecde48e5bda 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_image_load_wmi_ms_office.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_image_load_wmi_ms_office.json @@ -3,14 +3,16 @@ "Elastic" ], "description": "Identifies a suspicious image load (wmiutils.dll) from Microsoft Office processes. This behavior may indicate adversarial activity where child processes are spawned via Windows Management Instrumentation (WMI). This technique can be used to execute code and evade traditional parent/child processes spawned from MS Office products.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious WMI Image Load from MS Office", - "query": "library where process.name in (\"WINWORD.EXE\", \"EXCEL.EXE\", \"POWERPNT.EXE\", \"MSPUB.EXE\", \"MSACCESS.EXE\") and\n event.action == \"load\" and\n event.category == \"library\" and\n file.name == \"wmiutils.dll\"\n", + "query": "library where process.name : (\"WINWORD.EXE\", \"EXCEL.EXE\", \"POWERPNT.EXE\", \"MSPUB.EXE\", \"MSACCESS.EXE\") and\n event.action : \"load\" and\n event.category : \"library\" and\n dll.name : \"wmiutils.dll\"\n", "references": [ "https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16" ], @@ -43,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_jar_child_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_jar_child_process.json new file mode 100644 index 0000000000000..b32c66bbc1dbf --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_jar_child_process.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies suspicious child processes of a Java Archive (JAR) file. JAR files may be used to deliver malware in order to evade detection.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Suspicious JAR Child Process", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.parent.name : \"java\" and\n process.name : (\"sh\", \"bash\", \"dash\", \"ksh\", \"tcsh\", \"zsh\", \"curl\", \"wget\") and\n process.args : \"-jar\" and process.args : \"*.jar\" and\n /* Add any FP's here */\n not process.executable : (\"/Users/*/.sdkman/*\", \"/Library/Java/JavaVirtualMachines/*\") and\n not process.args : (\"/usr/local/*\", \"/Users/*/github.com/*\", \"/Users/*/src/*\")\n", + "risk_score": 47, + "rule_id": "8acb7614-1d92-4359-bfcf-478b6d9de150", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1059", + "name": "Command and Scripting Interpreter", + "reference": "https://attack.mitre.org/techniques/T1059/", + "subtechnique": [ + { + "id": "T1059.007", + "name": "JavaScript/JScript", + "reference": "https://attack.mitre.org/techniques/T1059/007/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_pdf_reader.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_pdf_reader.json index 01096ce781eb1..5a6d440d7e081 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_pdf_reader.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_pdf_reader.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_powershell_imgload.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_powershell_imgload.json index bd25919944e1f..c21848f01080a 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_powershell_imgload.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_powershell_imgload.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious PowerShell Engine ImageLoad", - "query": "library where file.name : (\"System.Management.Automation.ni.dll\", \"System.Management.Automation.dll\") and\n/* add false positives relevant to your environment here */\nnot process.executable : (\"C:\\\\Windows\\\\System32\\\\RemoteFXvGPUDisablement.exe\", \"C:\\\\Windows\\\\System32\\\\sdiagnhost.exe\", \"C:\\\\Program Files*\\\\*.exe\") and\n not process.name : (\n \"Altaro.SubAgent.exe\",\n \"AppV_Manage.exe\",\n \"azureadconnect.exe\",\n \"CcmExec.exe\",\n \"configsyncrun.exe\",\n \"choco.exe\",\n \"ctxappvservice.exe\",\n \"DVLS.Console.exe\",\n \"edgetransport.exe\",\n \"exsetup.exe\",\n \"forefrontactivedirectoryconnector.exe\",\n \"InstallUtil.exe\",\n \"JenkinsOnDesktop.exe\",\n \"Microsoft.EnterpriseManagement.ServiceManager.UI.Console.exe\",\n \"mmc.exe\",\n \"mscorsvw.exe\",\n \"msexchangedelivery.exe\",\n \"msexchangefrontendtransport.exe\",\n \"msexchangehmworker.exe\",\n \"msexchangesubmission.exe\",\n \"msiexec.exe\",\n \"MsiExec.exe\",\n \"noderunner.exe\",\n \"NServiceBus.Host.exe\",\n \"NServiceBus.Host32.exe\",\n \"NServiceBus.Hosting.Azure.HostProcess.exe\",\n \"OuiGui.WPF.exe\",\n \"powershell.exe\",\n \"powershell_ise.exe\",\n \"pwsh.exe\",\n \"SCCMCliCtrWPF.exe\",\n \"ScriptEditor.exe\",\n \"ScriptRunner.exe\",\n \"sdiagnhost.exe\",\n \"servermanager.exe\",\n \"setup100.exe\",\n \"ServiceHub.VSDetouredHost.exe\",\n \"SPCAF.Client.exe\",\n \"SPCAF.SettingsEditor.exe\",\n \"SQLPS.exe\",\n \"telemetryservice.exe\",\n \"UMWorkerProcess.exe\",\n \"w3wp.exe\",\n \"wsmprovhost.exe\"\n )\n", + "query": "library where dll.name : (\"System.Management.Automation.ni.dll\", \"System.Management.Automation.dll\") and\n/* add false positives relevant to your environment here */\nnot process.executable : (\"C:\\\\Windows\\\\System32\\\\RemoteFXvGPUDisablement.exe\", \"C:\\\\Windows\\\\System32\\\\sdiagnhost.exe\", \"C:\\\\Program Files*\\\\*.exe\") and\n not process.name :\n (\n \"Altaro.SubAgent.exe\",\n \"AppV_Manage.exe\",\n \"azureadconnect.exe\",\n \"CcmExec.exe\",\n \"configsyncrun.exe\",\n \"choco.exe\",\n \"ctxappvservice.exe\",\n \"DVLS.Console.exe\",\n \"edgetransport.exe\",\n \"exsetup.exe\",\n \"forefrontactivedirectoryconnector.exe\",\n \"InstallUtil.exe\",\n \"JenkinsOnDesktop.exe\",\n \"Microsoft.EnterpriseManagement.ServiceManager.UI.Console.exe\",\n \"mmc.exe\",\n \"mscorsvw.exe\",\n \"msexchangedelivery.exe\",\n \"msexchangefrontendtransport.exe\",\n \"msexchangehmworker.exe\",\n \"msexchangesubmission.exe\",\n \"msiexec.exe\",\n \"MsiExec.exe\",\n \"noderunner.exe\",\n \"NServiceBus.Host.exe\",\n \"NServiceBus.Host32.exe\",\n \"NServiceBus.Hosting.Azure.HostProcess.exe\",\n \"OuiGui.WPF.exe\",\n \"powershell.exe\",\n \"powershell_ise.exe\",\n \"pwsh.exe\",\n \"SCCMCliCtrWPF.exe\",\n \"ScriptEditor.exe\",\n \"ScriptRunner.exe\",\n \"sdiagnhost.exe\",\n \"servermanager.exe\",\n \"setup100.exe\",\n \"ServiceHub.VSDetouredHost.exe\",\n \"SPCAF.Client.exe\",\n \"SPCAF.SettingsEditor.exe\",\n \"SQLPS.exe\",\n \"telemetryservice.exe\",\n \"UMWorkerProcess.exe\",\n \"w3wp.exe\",\n \"wsmprovhost.exe\"\n )\n", "risk_score": 47, "rule_id": "852c1f19-68e8-43a6-9dce-340771fe1be3", "severity": "medium", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_psexesvc.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_psexesvc.json index 25ac9815ebbb8..1889310e10df8 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_psexesvc.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_psexesvc.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_short_program_name.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_short_program_name.json index 58236ba202341..00ca1613f1c9b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_short_program_name.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_suspicious_short_program_name.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -24,5 +25,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_compiled_html_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_compiled_html_file.json index 28fedc8e7bc3a..98ffa167166d4 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_compiled_html_file.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_compiled_html_file.json @@ -6,9 +6,11 @@ "false_positives": [ "The HTML Help executable program (hh.exe) runs whenever a user clicks a compiled help (.chm) file or menu item that opens the help file inside the Help Viewer. This is not always malicious, but adversaries may abuse this technology to conceal malicious code." ], + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -59,5 +61,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_hidden_shell_conhost.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_hidden_shell_conhost.json index 289513bdaf562..edf29080bf08e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_hidden_shell_conhost.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_hidden_shell_conhost.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_net_com_assemblies.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_net_com_assemblies.json index 5209c30dc33e6..98b6d40d23372 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_net_com_assemblies.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_net_com_assemblies.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -57,5 +58,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_xp_cmdshell_mssql_stored_procedure.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_xp_cmdshell_mssql_stored_procedure.json index e64ee320373ad..5e7ac017e1c91 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_xp_cmdshell_mssql_stored_procedure.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/execution_via_xp_cmdshell_mssql_stored_procedure.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_hosts_file_modified.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_hosts_file_modified.json index 475c4f4937a54..6d3a7bf9592fa 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_hosts_file_modified.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_hosts_file_modified.json @@ -7,7 +7,8 @@ "index": [ "auditbeat-*", "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -55,5 +56,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_volume_shadow_copy_deletion_via_vssadmin.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_volume_shadow_copy_deletion_via_vssadmin.json index 3f772a80e680b..ec69bd9ceab25 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_volume_shadow_copy_deletion_via_vssadmin.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/impact_volume_shadow_copy_deletion_via_vssadmin.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/index.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/index.ts index c59b2942a8d63..87e5378aaf315 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/index.ts +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/index.ts @@ -10,467 +10,548 @@ // - detection-rules repo using CLI command build-release // Do not hand edit. Run script/command to regenerate package information instead -import rule1 from './apm_403_response_to_a_post.json'; -import rule2 from './apm_405_response_method_not_allowed.json'; -import rule3 from './apm_null_user_agent.json'; -import rule4 from './apm_sqlmap_user_agent.json'; -import rule5 from './command_and_control_dns_directly_to_the_internet.json'; -import rule6 from './command_and_control_ftp_file_transfer_protocol_activity_to_the_internet.json'; -import rule7 from './command_and_control_irc_internet_relay_chat_protocol_activity_to_the_internet.json'; -import rule8 from './command_and_control_nat_traversal_port_activity.json'; -import rule9 from './command_and_control_port_26_activity.json'; -import rule10 from './command_and_control_port_8000_activity_to_the_internet.json'; -import rule11 from './command_and_control_pptp_point_to_point_tunneling_protocol_activity.json'; -import rule12 from './command_and_control_proxy_port_activity_to_the_internet.json'; -import rule13 from './command_and_control_rdp_remote_desktop_protocol_from_the_internet.json'; -import rule14 from './command_and_control_smtp_to_the_internet.json'; -import rule15 from './command_and_control_sql_server_port_activity_to_the_internet.json'; -import rule16 from './command_and_control_ssh_secure_shell_from_the_internet.json'; -import rule17 from './command_and_control_ssh_secure_shell_to_the_internet.json'; -import rule18 from './command_and_control_telnet_port_activity.json'; -import rule19 from './command_and_control_tor_activity_to_the_internet.json'; -import rule20 from './command_and_control_vnc_virtual_network_computing_from_the_internet.json'; -import rule21 from './command_and_control_vnc_virtual_network_computing_to_the_internet.json'; -import rule22 from './credential_access_tcpdump_activity.json'; -import rule23 from './defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.json'; -import rule24 from './defense_evasion_clearing_windows_event_logs.json'; -import rule25 from './defense_evasion_delete_volume_usn_journal_with_fsutil.json'; -import rule26 from './defense_evasion_deleting_backup_catalogs_with_wbadmin.json'; -import rule27 from './defense_evasion_disable_windows_firewall_rules_with_netsh.json'; -import rule28 from './defense_evasion_encoding_or_decoding_files_via_certutil.json'; -import rule29 from './defense_evasion_execution_via_trusted_developer_utilities.json'; -import rule30 from './defense_evasion_misc_lolbin_connecting_to_the_internet.json'; -import rule31 from './defense_evasion_msbuild_making_network_connections.json'; -import rule32 from './defense_evasion_unusual_network_connection_via_rundll32.json'; -import rule33 from './defense_evasion_unusual_process_network_connection.json'; -import rule34 from './defense_evasion_via_filter_manager.json'; -import rule35 from './defense_evasion_volume_shadow_copy_deletion_via_wmic.json'; -import rule36 from './discovery_process_discovery_via_tasklist_command.json'; -import rule37 from './discovery_whoami_command_activity.json'; -import rule38 from './discovery_whoami_commmand.json'; -import rule39 from './endpoint_adversary_behavior_detected.json'; -import rule40 from './endpoint_cred_dumping_detected.json'; -import rule41 from './endpoint_cred_dumping_prevented.json'; -import rule42 from './endpoint_cred_manipulation_detected.json'; -import rule43 from './endpoint_cred_manipulation_prevented.json'; -import rule44 from './endpoint_exploit_detected.json'; -import rule45 from './endpoint_exploit_prevented.json'; -import rule46 from './endpoint_malware_detected.json'; -import rule47 from './endpoint_malware_prevented.json'; -import rule48 from './endpoint_permission_theft_detected.json'; -import rule49 from './endpoint_permission_theft_prevented.json'; -import rule50 from './endpoint_process_injection_detected.json'; -import rule51 from './endpoint_process_injection_prevented.json'; -import rule52 from './endpoint_ransomware_detected.json'; -import rule53 from './endpoint_ransomware_prevented.json'; -import rule54 from './execution_command_prompt_connecting_to_the_internet.json'; -import rule55 from './execution_command_shell_started_by_powershell.json'; -import rule56 from './execution_command_shell_started_by_svchost.json'; -import rule57 from './execution_html_help_executable_program_connecting_to_the_internet.json'; -import rule58 from './execution_psexec_lateral_movement_command.json'; -import rule59 from './execution_register_server_program_connecting_to_the_internet.json'; -import rule60 from './execution_via_compiled_html_file.json'; -import rule61 from './impact_volume_shadow_copy_deletion_via_vssadmin.json'; -import rule62 from './initial_access_rdp_remote_desktop_protocol_to_the_internet.json'; -import rule63 from './initial_access_rpc_remote_procedure_call_from_the_internet.json'; -import rule64 from './initial_access_rpc_remote_procedure_call_to_the_internet.json'; -import rule65 from './initial_access_script_executing_powershell.json'; -import rule66 from './initial_access_smb_windows_file_sharing_activity_to_the_internet.json'; -import rule67 from './initial_access_suspicious_ms_office_child_process.json'; -import rule68 from './initial_access_suspicious_ms_outlook_child_process.json'; -import rule69 from './lateral_movement_direct_outbound_smb_connection.json'; -import rule70 from './lateral_movement_local_service_commands.json'; -import rule71 from './linux_hping_activity.json'; -import rule72 from './linux_iodine_activity.json'; -import rule73 from './linux_mknod_activity.json'; -import rule74 from './linux_netcat_network_connection.json'; -import rule75 from './linux_nmap_activity.json'; -import rule76 from './linux_nping_activity.json'; -import rule77 from './linux_process_started_in_temp_directory.json'; -import rule78 from './linux_socat_activity.json'; -import rule79 from './linux_strace_activity.json'; -import rule80 from './persistence_adobe_hijack_persistence.json'; -import rule81 from './persistence_kernel_module_activity.json'; -import rule82 from './persistence_local_scheduled_task_commands.json'; -import rule83 from './persistence_priv_escalation_via_accessibility_features.json'; -import rule84 from './persistence_shell_activity_by_web_server.json'; -import rule85 from './persistence_system_shells_via_services.json'; -import rule86 from './persistence_user_account_creation.json'; -import rule87 from './persistence_via_application_shimming.json'; -import rule88 from './privilege_escalation_unusual_parentchild_relationship.json'; -import rule89 from './defense_evasion_modification_of_boot_config.json'; -import rule90 from './privilege_escalation_uac_bypass_event_viewer.json'; -import rule91 from './defense_evasion_msxsl_network.json'; -import rule92 from './discovery_net_command_system_account.json'; -import rule93 from './command_and_control_certutil_network_connection.json'; -import rule94 from './defense_evasion_cve_2020_0601.json'; -import rule95 from './credential_access_credential_dumping_msbuild.json'; -import rule96 from './defense_evasion_execution_msbuild_started_by_office_app.json'; -import rule97 from './defense_evasion_execution_msbuild_started_by_script.json'; -import rule98 from './defense_evasion_execution_msbuild_started_by_system_process.json'; -import rule99 from './defense_evasion_execution_msbuild_started_renamed.json'; -import rule100 from './defense_evasion_execution_msbuild_started_unusal_process.json'; -import rule101 from './defense_evasion_injection_msbuild.json'; -import rule102 from './execution_via_net_com_assemblies.json'; -import rule103 from './ml_linux_anomalous_network_activity.json'; -import rule104 from './ml_linux_anomalous_network_port_activity.json'; -import rule105 from './ml_linux_anomalous_network_service.json'; -import rule106 from './ml_linux_anomalous_network_url_activity.json'; -import rule107 from './ml_linux_anomalous_process_all_hosts.json'; -import rule108 from './ml_linux_anomalous_user_name.json'; -import rule109 from './ml_packetbeat_dns_tunneling.json'; -import rule110 from './ml_packetbeat_rare_dns_question.json'; -import rule111 from './ml_packetbeat_rare_server_domain.json'; -import rule112 from './ml_packetbeat_rare_urls.json'; -import rule113 from './ml_packetbeat_rare_user_agent.json'; -import rule114 from './ml_rare_process_by_host_linux.json'; -import rule115 from './ml_rare_process_by_host_windows.json'; -import rule116 from './ml_suspicious_login_activity.json'; -import rule117 from './ml_windows_anomalous_network_activity.json'; -import rule118 from './ml_windows_anomalous_path_activity.json'; -import rule119 from './ml_windows_anomalous_process_all_hosts.json'; -import rule120 from './ml_windows_anomalous_process_creation.json'; -import rule121 from './ml_windows_anomalous_script.json'; -import rule122 from './ml_windows_anomalous_service.json'; -import rule123 from './ml_windows_anomalous_user_name.json'; -import rule124 from './ml_windows_rare_user_runas_event.json'; -import rule125 from './ml_windows_rare_user_type10_remote_login.json'; -import rule126 from './execution_suspicious_pdf_reader.json'; -import rule127 from './privilege_escalation_sudoers_file_mod.json'; -import rule128 from './defense_evasion_iis_httplogging_disabled.json'; -import rule129 from './execution_python_tty_shell.json'; -import rule130 from './execution_perl_tty_shell.json'; -import rule131 from './defense_evasion_base16_or_base32_encoding_or_decoding_activity.json'; -import rule132 from './defense_evasion_base64_encoding_or_decoding_activity.json'; -import rule133 from './defense_evasion_hex_encoding_or_decoding_activity.json'; -import rule134 from './defense_evasion_file_mod_writable_dir.json'; -import rule135 from './defense_evasion_disable_selinux_attempt.json'; -import rule136 from './discovery_kernel_module_enumeration.json'; -import rule137 from './lateral_movement_telnet_network_activity_external.json'; -import rule138 from './lateral_movement_telnet_network_activity_internal.json'; -import rule139 from './privilege_escalation_setgid_bit_set_via_chmod.json'; -import rule140 from './privilege_escalation_setuid_bit_set_via_chmod.json'; -import rule141 from './defense_evasion_attempt_to_disable_iptables_or_firewall.json'; -import rule142 from './defense_evasion_kernel_module_removal.json'; -import rule143 from './defense_evasion_attempt_to_disable_syslog_service.json'; -import rule144 from './defense_evasion_file_deletion_via_shred.json'; -import rule145 from './discovery_virtual_machine_fingerprinting.json'; -import rule146 from './defense_evasion_hidden_file_dir_tmp.json'; -import rule147 from './defense_evasion_deletion_of_bash_command_line_history.json'; -import rule148 from './impact_cloudwatch_log_group_deletion.json'; -import rule149 from './impact_cloudwatch_log_stream_deletion.json'; -import rule150 from './impact_rds_instance_cluster_stoppage.json'; -import rule151 from './persistence_attempt_to_deactivate_mfa_for_okta_user_account.json'; -import rule152 from './persistence_rds_cluster_creation.json'; -import rule153 from './credential_access_attempted_bypass_of_okta_mfa.json'; -import rule154 from './defense_evasion_waf_acl_deletion.json'; -import rule155 from './impact_attempt_to_revoke_okta_api_token.json'; -import rule156 from './impact_iam_group_deletion.json'; -import rule157 from './impact_possible_okta_dos_attack.json'; -import rule158 from './impact_rds_cluster_deletion.json'; -import rule159 from './initial_access_suspicious_activity_reported_by_okta_user.json'; -import rule160 from './okta_attempt_to_deactivate_okta_policy.json'; -import rule161 from './okta_attempt_to_deactivate_okta_policy_rule.json'; -import rule162 from './okta_attempt_to_modify_okta_network_zone.json'; -import rule163 from './okta_attempt_to_modify_okta_policy.json'; -import rule164 from './okta_attempt_to_modify_okta_policy_rule.json'; -import rule165 from './okta_threat_detected_by_okta_threatinsight.json'; -import rule166 from './persistence_administrator_privileges_assigned_to_okta_group.json'; -import rule167 from './persistence_attempt_to_create_okta_api_token.json'; -import rule168 from './persistence_attempt_to_reset_mfa_factors_for_okta_user_account.json'; -import rule169 from './defense_evasion_cloudtrail_logging_deleted.json'; -import rule170 from './defense_evasion_ec2_network_acl_deletion.json'; -import rule171 from './impact_iam_deactivate_mfa_device.json'; -import rule172 from './defense_evasion_s3_bucket_configuration_deletion.json'; -import rule173 from './defense_evasion_guardduty_detector_deletion.json'; -import rule174 from './okta_attempt_to_delete_okta_policy.json'; -import rule175 from './credential_access_iam_user_addition_to_group.json'; -import rule176 from './persistence_ec2_network_acl_creation.json'; -import rule177 from './impact_ec2_disable_ebs_encryption.json'; -import rule178 from './persistence_iam_group_creation.json'; -import rule179 from './defense_evasion_waf_rule_or_rule_group_deletion.json'; -import rule180 from './collection_cloudtrail_logging_created.json'; -import rule181 from './defense_evasion_cloudtrail_logging_suspended.json'; -import rule182 from './impact_cloudtrail_logging_updated.json'; -import rule183 from './initial_access_console_login_root.json'; -import rule184 from './defense_evasion_cloudwatch_alarm_deletion.json'; -import rule185 from './defense_evasion_ec2_flow_log_deletion.json'; -import rule186 from './defense_evasion_configuration_recorder_stopped.json'; -import rule187 from './exfiltration_ec2_snapshot_change_activity.json'; -import rule188 from './defense_evasion_config_service_rule_deletion.json'; -import rule189 from './okta_attempt_to_modify_or_delete_application_sign_on_policy.json'; -import rule190 from './command_and_control_download_rar_powershell_from_internet.json'; -import rule191 from './initial_access_password_recovery.json'; -import rule192 from './command_and_control_cobalt_strike_beacon.json'; -import rule193 from './command_and_control_fin7_c2_behavior.json'; -import rule194 from './command_and_control_halfbaked_beacon.json'; -import rule195 from './credential_access_secretsmanager_getsecretvalue.json'; -import rule196 from './initial_access_via_system_manager.json'; -import rule197 from './privilege_escalation_root_login_without_mfa.json'; -import rule198 from './privilege_escalation_updateassumerolepolicy.json'; -import rule199 from './impact_hosts_file_modified.json'; -import rule200 from './elastic_endpoint.json'; -import rule201 from './external_alerts.json'; -import rule202 from './ml_cloudtrail_error_message_spike.json'; -import rule203 from './ml_cloudtrail_rare_error_code.json'; -import rule204 from './ml_cloudtrail_rare_method_by_city.json'; -import rule205 from './ml_cloudtrail_rare_method_by_country.json'; 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+import rule437 from './credential_access_cmdline_dump_tool.json'; +import rule438 from './credential_access_copy_ntds_sam_volshadowcp_cmdline.json'; +import rule439 from './credential_access_lsass_memdump_file_created.json'; +import rule440 from './lateral_movement_incoming_winrm_shell_execution.json'; +import rule441 from './lateral_movement_powershell_remoting_target.json'; +import rule442 from './defense_evasion_hide_encoded_executable_registry.json'; +import rule443 from './defense_evasion_port_forwarding_added_registry.json'; +import rule444 from './lateral_movement_rdp_enabled_registry.json'; +import rule445 from './privilege_escalation_printspooler_registry_copyfiles.json'; +import rule446 from './privilege_escalation_rogue_windir_environment_var.json'; +import rule447 from './initial_access_scripts_process_started_via_wmi.json'; +import rule448 from './command_and_control_iexplore_via_com.json'; +import rule449 from './command_and_control_remote_file_copy_scripts.json'; +import rule450 from './persistence_local_scheduled_task_scripting.json'; +import rule451 from './persistence_startup_folder_file_written_by_unsigned_process.json'; +import rule452 from './command_and_control_remote_file_copy_powershell.json'; +import rule453 from './credential_access_microsoft_365_brute_force_user_account_attempt.json'; +import rule454 from './microsoft_365_teams_custom_app_interaction_allowed.json'; +import rule455 from './persistence_microsoft_365_teams_external_access_enabled.json'; +import rule456 from './credential_access_microsoft_365_potential_password_spraying_attack.json'; +import rule457 from './defense_evasion_stop_process_service_threshold.json'; +import rule458 from './collection_winrar_encryption.json'; +import rule459 from './defense_evasion_unusual_dir_ads.json'; +import rule460 from './discovery_admin_recon.json'; +import rule461 from './discovery_file_dir_discovery.json'; +import rule462 from './discovery_net_view.json'; +import rule463 from './discovery_query_registry_via_reg.json'; +import rule464 from './discovery_remote_system_discovery_commands_windows.json'; +import rule465 from './persistence_via_windows_management_instrumentation_event_subscription.json'; +import rule466 from './execution_scripting_osascript_exec_followed_by_netcon.json'; +import rule467 from './execution_shell_execution_via_apple_scripting.json'; +import rule468 from './persistence_creation_change_launch_agents_file.json'; +import rule469 from './persistence_creation_modif_launch_deamon_sequence.json'; +import rule470 from './persistence_folder_action_scripts_runtime.json'; +import rule471 from './persistence_login_logout_hooks_defaults.json'; +import rule472 from './privilege_escalation_explicit_creds_via_scripting.json'; +import rule473 from './command_and_control_sunburst_c2_activity_detected.json'; +import rule474 from './defense_evasion_azure_application_credential_modification.json'; +import rule475 from './defense_evasion_azure_service_principal_addition.json'; +import rule476 from './defense_evasion_solarwinds_backdoor_service_disabled_via_registry.json'; +import rule477 from './execution_apt_solarwinds_backdoor_child_cmd_powershell.json'; +import rule478 from './execution_apt_solarwinds_backdoor_unusual_child_processes.json'; +import rule479 from './initial_access_azure_active_directory_powershell_signin.json'; +import rule480 from './collection_email_powershell_exchange_mailbox.json'; +import rule481 from './collection_persistence_powershell_exch_mailbox_activesync_add_device.json'; +import rule482 from './execution_scheduled_task_powershell_source.json'; +import rule483 from './persistence_docker_shortcuts_plist_modification.json'; +import rule484 from './persistence_evasion_hidden_local_account_creation.json'; +import rule485 from './persistence_finder_sync_plugin_pluginkit.json'; +import rule486 from './discovery_security_software_grep.json'; +import rule487 from './credential_access_cookies_chromium_browsers_debugging.json'; +import rule488 from './credential_access_ssh_backdoor_log.json'; +import rule489 from './persistence_credential_access_modify_auth_module_or_config.json'; +import rule490 from './persistence_credential_access_modify_ssh_binaries.json'; +import rule491 from './credential_access_collection_sensitive_files.json'; +import rule492 from './persistence_ssh_authorized_keys_modification.json'; +import rule493 from './defense_evasion_defender_disabled_via_registry.json'; +import rule494 from './defense_evasion_privacy_controls_tcc_database_modification.json'; +import rule495 from './execution_initial_access_suspicious_browser_childproc.json'; +import rule496 from './execution_script_via_automator_workflows.json'; +import rule497 from './persistence_modification_sublime_app_plugin_or_script.json'; +import rule498 from './privilege_escalation_applescript_with_admin_privs.json'; +import rule499 from './credential_access_dumping_keychain_security.json'; +import rule500 from './initial_access_azure_active_directory_high_risk_signin.json'; +import rule501 from './initial_access_suspicious_mac_ms_office_child_process.json'; +import rule502 from './credential_access_mitm_localhost_webproxy.json'; +import rule503 from './persistence_kde_autostart_modification.json'; +import rule504 from './persistence_user_account_added_to_privileged_group_ad.json'; +import rule505 from './defense_evasion_attempt_to_disable_gatekeeper.json'; +import rule506 from './defense_evasion_sandboxed_office_app_suspicious_zip_file.json'; +import rule507 from './persistence_emond_rules_file_creation.json'; +import rule508 from './persistence_emond_rules_process_execution.json'; +import rule509 from './discovery_users_domain_built_in_commands.json'; +import rule510 from './execution_pentest_eggshell_remote_admin_tool.json'; +import rule511 from './defense_evasion_install_root_certificate.json'; +import rule512 from './persistence_credential_access_authorization_plugin_creation.json'; +import rule513 from './persistence_directory_services_plugins_modification.json'; +import rule514 from './defense_evasion_modify_environment_launchctl.json'; +import rule515 from './defense_evasion_safari_config_change.json'; +import rule516 from './defense_evasion_apple_softupdates_modification.json'; +import rule517 from './persistence_cron_jobs_creation_and_runtime.json'; +import rule518 from './credential_access_mod_wdigest_security_provider.json'; +import rule519 from './credential_access_saved_creds_vaultcmd.json'; +import rule520 from './defense_evasion_file_creation_mult_extension.json'; +import rule521 from './execution_enumeration_via_wmiprvse.json'; +import rule522 from './execution_suspicious_jar_child_process.json'; +import rule523 from './persistence_shell_profile_modification.json'; +import rule524 from './persistence_suspicious_calendar_modification.json'; +import rule525 from './persistence_time_provider_mod.json'; +import rule526 from './privilege_escalation_exploit_adobe_acrobat_updater.json'; +import rule527 from './defense_evasion_sip_provider_mod.json'; +import rule528 from './execution_com_object_xwizard.json'; +import rule529 from './privilege_escalation_disable_uac_registry.json'; +import rule530 from './defense_evasion_unusual_ads_file_creation.json'; +import rule531 from './persistence_loginwindow_plist_modification.json'; +import rule532 from './persistence_periodic_tasks_file_mdofiy.json'; +import rule533 from './persistence_via_atom_init_file_modification.json'; +import rule534 from './privilege_escalation_lsa_auth_package.json'; +import rule535 from './privilege_escalation_port_monitor_print_pocessor_abuse.json'; +import rule536 from './credential_access_dumping_hashes_bi_cmds.json'; +import rule537 from './lateral_movement_mounting_smb_share.json'; +import rule538 from './privilege_escalation_echo_nopasswd_sudoers.json'; +import rule539 from './privilege_escalation_ld_preload_shared_object_modif.json'; +import rule540 from './privilege_escalation_root_crontab_filemod.json'; +import rule541 from './defense_evasion_create_mod_root_certificate.json'; +import rule542 from './privilege_escalation_sudo_buffer_overflow.json'; export const rawRules = [ rule1, @@ -934,4 +1015,85 @@ export const rawRules = [ rule459, rule460, rule461, + rule462, + rule463, + rule464, + rule465, + rule466, + rule467, + rule468, + rule469, + rule470, + rule471, + rule472, + rule473, + rule474, + rule475, + rule476, + rule477, + rule478, + rule479, + rule480, + rule481, + rule482, + rule483, + rule484, + rule485, + rule486, + rule487, + rule488, + rule489, + rule490, + rule491, + rule492, + rule493, + rule494, + rule495, + rule496, + rule497, + rule498, + rule499, + rule500, + rule501, + rule502, + rule503, + rule504, + rule505, + rule506, + rule507, + rule508, + rule509, + rule510, + rule511, + rule512, + rule513, + rule514, + rule515, + rule516, + rule517, + rule518, + rule519, + rule520, + rule521, + rule522, + rule523, + rule524, + rule525, + rule526, + rule527, + rule528, + rule529, + rule530, + rule531, + rule532, + rule533, + rule534, + rule535, + rule536, + rule537, + rule538, + rule539, + rule540, + rule541, + rule542, ]; diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_azure_active_directory_high_risk_signin.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_azure_active_directory_high_risk_signin.json new file mode 100644 index 0000000000000..230c5e33b7561 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_azure_active_directory_high_risk_signin.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic", + "Willem D'Haese" + ], + "description": "Identifies high risk Azure Active Directory (AD) sign-ins by leveraging Microsoft's Identity Protection machine learning and heuristics. Identity Protection categorizes risk into three tiers: low, medium, and high. While Microsoft does not provide specific details about how risk is calculated, each level brings higher confidence that the user or sign-in is compromised.", + "from": "now-25m", + "index": [ + "filebeat-*", + "logs-azure.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Azure Active Directory High Risk Sign-in", + "note": "The Azure Fleet Integration or Filebeat module must be enabled to use this rule.", + "query": "event.dataset:azure.signinlogs and azure.signinlogs.properties.risk_level_during_signin:high and event.outcome:(success or Success)", + "references": [ + "https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/howto-conditional-access-policy-risk", + "https://docs.microsoft.com/en-us/azure/active-directory/identity-protection/overview-identity-protection", + "https://docs.microsoft.com/en-us/azure/active-directory/identity-protection/howto-identity-protection-investigate-risk" + ], + "risk_score": 73, + "rule_id": "37994bca-0611-4500-ab67-5588afe73b77", + "severity": "high", + "tags": [ + "Elastic", + "Cloud", + "Azure", + "Continuous Monitoring", + "SecOps", + "Identity and Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_failures.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_failures.json new file mode 100644 index 0000000000000..e825c1b14e30c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_failures.json @@ -0,0 +1,61 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies that the maximum number of failed login attempts has been reached for a user.", + "index": [ + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Auditd Max Failed Login Attempts", + "query": "event.module:auditd and event.action:\"failed-log-in-too-many-times-to\"", + "references": [ + "https://github.com/linux-pam/linux-pam/blob/0adbaeb273da1d45213134aa271e95987103281c/modules/pam_faillock/pam_faillock.c#L574" + ], + "risk_score": 47, + "rule_id": "fb9937ce-7e21-46bf-831d-1ad96eac674d", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Initial Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_location.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_location.json new file mode 100644 index 0000000000000..81599a9c524a0 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_location.json @@ -0,0 +1,61 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies that a login attempt has happened from a forbidden location.", + "index": [ + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Auditd Login from Forbidden Location", + "query": "event.module:auditd and event.action:\"attempted-log-in-from-unusual-place-to\"", + "references": [ + "https://github.com/linux-pam/linux-pam/blob/aac5a8fdc4aa3f7e56335a6343774cc1b63b408d/modules/pam_access/pam_access.c#L412" + ], + "risk_score": 73, + "rule_id": "cab4f01c-793f-4a54-a03e-e5d85b96d7af", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Initial Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_sessions.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_sessions.json new file mode 100644 index 0000000000000..2c88559092515 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_sessions.json @@ -0,0 +1,61 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies that the maximum number login sessions has been reached for a user.", + "index": [ + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Auditd Max Login Sessions", + "query": "event.module:auditd and event.action:\"opened-too-many-sessions-to\"", + "references": [ + "https://github.com/linux-pam/linux-pam/blob/70c32cc6fca51338f92afa58eb75b1107a5c2430/modules/pam_limits/pam_limits.c#L1007" + ], + "risk_score": 47, + "rule_id": "20dc4620-3b68-4269-8124-ca5091e00ea8", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Initial Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_time.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_time.json new file mode 100644 index 0000000000000..ca343e7ef9cc0 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_login_time.json @@ -0,0 +1,61 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies that a login attempt occurred at a forbidden time.", + "index": [ + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Auditd Login Attempt at Forbidden Time", + "query": "event.module:auditd and event.action:\"attempted-log-in-during-unusual-hour-to\"", + "references": [ + "https://github.com/linux-pam/linux-pam/blob/aac5a8fdc4aa3f7e56335a6343774cc1b63b408d/modules/pam_time/pam_time.c#L666" + ], + "risk_score": 47, + "rule_id": "90e28af7-1d96-4582-bf11-9a1eff21d0e5", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Initial Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rdp_remote_desktop_protocol_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rdp_remote_desktop_protocol_to_the_internet.json index 05ab69a05f7dc..024541d71b6d3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rdp_remote_desktop_protocol_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rdp_remote_desktop_protocol_to_the_internet.json @@ -6,6 +6,7 @@ "false_positives": [ "RDP connections may be made directly to Internet destinations in order to access Windows cloud server instances but such connections are usually made only by engineers. In such cases, only RDP gateways, bastions or jump servers may be expected Internet destinations and can be exempted from this rule. RDP may be required by some work-flows such as remote access and support for specialized software products and servers. Such work-flows are usually known and not unexpected. Usage that is unfamiliar to server or network owners can be unexpected and suspicious." ], + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -59,5 +60,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_from_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_from_the_internet.json index 36db52a656d28..7119e5a587c69 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_from_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_from_the_internet.json @@ -3,6 +3,7 @@ "Elastic" ], "description": "This rule detects network events that may indicate the use of RPC traffic from the Internet. RPC is commonly used by system administrators to remotely control a system for maintenance or to use shared resources. It should almost never be directly exposed to the Internet, as it is frequently targeted and exploited by threat actors as an initial access or back-door vector.", + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_to_the_internet.json index 8ba074438cf50..6da4f9f55071f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_rpc_remote_procedure_call_to_the_internet.json @@ -3,6 +3,7 @@ "Elastic" ], "description": "This rule detects network events that may indicate the use of RPC traffic to the Internet. RPC is commonly used by system administrators to remotely control a system for maintenance or to use shared resources. It should almost never be directly exposed to the Internet, as it is frequently targeted and exploited by threat actors as an initial access or back-door vector.", + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_script_executing_powershell.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_script_executing_powershell.json index 543aa2bcf6da1..7caa99711275b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_script_executing_powershell.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_script_executing_powershell.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_scripts_process_started_via_wmi.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_scripts_process_started_via_wmi.json index 8376bb7e62bd8..1e7160eefdaba 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_scripts_process_started_via_wmi.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_scripts_process_started_via_wmi.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Windows Script Interpreter Executing Process via WMI", - "query": "sequence by host.id with maxspan=5s\n [library where file.name : \"wmiutils.dll\" and process.name : (\"wscript.exe\", \"cscript.exe\")]\n [process where event.type in (\"start\", \"process_started\") and\n process.parent.name : \"wmiprvse.exe\" and\n user.domain != \"NT AUTHORITY\" and\n (process.pe.original_file_name in\n (\n \"cscript.exe\",\n \"wscript.exe\",\n \"PowerShell.EXE\",\n \"Cmd.Exe\",\n \"MSHTA.EXE\",\n \"RUNDLL32.EXE\",\n \"REGSVR32.EXE\",\n \"MSBuild.exe\",\n \"InstallUtil.exe\",\n \"RegAsm.exe\",\n \"RegSvcs.exe\",\n \"msxsl.exe\",\n \"CONTROL.EXE\",\n \"EXPLORER.EXE\",\n \"Microsoft.Workflow.Compiler.exe\",\n \"msiexec.exe\"\n ) or\n process.executable : (\"C:\\\\Users\\\\*.exe\", \"C:\\\\ProgramData\\\\*.exe\")\n )\n ]\n", + "query": "sequence by host.id with maxspan = 5s\n [library where dll.name : \"wmiutils.dll\" and process.name : (\"wscript.exe\", \"cscript.exe\")]\n [process where event.type in (\"start\", \"process_started\") and\n process.parent.name : \"wmiprvse.exe\" and\n user.domain != \"NT AUTHORITY\" and\n (process.pe.original_file_name :\n (\n \"cscript.exe\",\n \"wscript.exe\",\n \"PowerShell.EXE\",\n \"Cmd.Exe\",\n \"MSHTA.EXE\",\n \"RUNDLL32.EXE\",\n \"REGSVR32.EXE\",\n \"MSBuild.exe\",\n \"InstallUtil.exe\",\n \"RegAsm.exe\",\n \"RegSvcs.exe\",\n \"msxsl.exe\",\n \"CONTROL.EXE\",\n \"EXPLORER.EXE\",\n \"Microsoft.Workflow.Compiler.exe\",\n \"msiexec.exe\"\n ) or\n process.executable : (\"C:\\\\Users\\\\*.exe\", \"C:\\\\ProgramData\\\\*.exe\")\n )\n ]\n", "risk_score": 47, "rule_id": "b64b183e-1a76-422d-9179-7b389513e74d", "severity": "medium", @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_smb_windows_file_sharing_activity_to_the_internet.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_smb_windows_file_sharing_activity_to_the_internet.json index aefcfa4e69271..4b480cf9b054f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_smb_windows_file_sharing_activity_to_the_internet.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_smb_windows_file_sharing_activity_to_the_internet.json @@ -3,6 +3,7 @@ "Elastic" ], "description": "This rule detects network events that may indicate the use of Windows file sharing (also called SMB or CIFS) traffic to the Internet. SMB is commonly used within networks to share files, printers, and other system resources amongst trusted systems. It should almost never be directly exposed to the Internet, as it is frequently targeted and exploited by threat actors as an initial access or back-door vector or for data exfiltration.", + "from": "now-9m", "index": [ "filebeat-*", "packetbeat-*", @@ -56,5 +57,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_mac_ms_office_child_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_mac_ms_office_child_process.json new file mode 100644 index 0000000000000..638db6727a726 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_mac_ms_office_child_process.json @@ -0,0 +1,54 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies suspicious child processes of frequently targeted Microsoft Office applications (Word, PowerPoint, and Excel). These child processes are often launched during exploitation of Office applications or by documents with malicious macros.", + "from": "now-9m", + "index": [ + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Suspicious macOS MS Office Child Process", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.parent.name:(\"Microsoft Word\", \"Microsoft PowerPoint\", \"Microsoft Excel\") and\n process.name:\n (\n \"bash\", \n \"dash\", \n \"sh\", \n \"tcsh\", \n \"csh\", \n \"zsh\", \n \"ksh\", \n \"fish\", \n \"python*\", \n \"perl*\", \n \"php*\", \n \"osascript\",\n \"pwsh\", \n \"curl\", \n \"wget\", \n \"cp\", \n \"mv\", \n \"base64\", \n \"launchctl\"\n )\n", + "references": [ + "https://blog.malwarebytes.com/cybercrime/2017/02/microsoft-office-macro-malware-targets-macs/" + ], + "risk_score": 47, + "rule_id": "66da12b1-ac83-40eb-814c-07ed1d82b7b9", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0001", + "name": "Initial Access", + "reference": "https://attack.mitre.org/tactics/TA0001/" + }, + "technique": [ + { + "id": "T1566", + "name": "Phishing", + "reference": "https://attack.mitre.org/techniques/T1566/", + "subtechnique": [ + { + "id": "T1566.001", + "name": "Spearphishing Attachment", + "reference": "https://attack.mitre.org/techniques/T1566/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_office_child_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_office_child_process.json index 91dcfd1366409..1749be1142255 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_office_child_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_office_child_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_outlook_child_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_outlook_child_process.json index 533996d75dcd4..03c145779f3d5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_outlook_child_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_suspicious_ms_outlook_child_process.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_children.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_children.json index 6e5f0cb13417c..4dad8ac892806 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_children.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_children.json @@ -6,9 +6,11 @@ "false_positives": [ "Werfault.exe will legitimately spawn when dns.exe crashes, but the DNS service is very stable and so this is a low occurring event. Denial of Service (DoS) attempts by intentionally crashing the service will also cause werfault.exe to spawn." ], + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -49,5 +51,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_file_writes.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_file_writes.json index 7f73196493e48..f8b58c5affe9e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_file_writes.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_unusual_dns_service_file_writes.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies an unexpected file being modified by dns.exe, the process responsible for Windows DNS Server services, which may indicate activity related to remote code execution or other forms of exploitation.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -45,5 +47,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_via_explorer_suspicious_child_parent_args.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_via_explorer_suspicious_child_parent_args.json index 8ef22da2319c9..d88b8b06d09aa 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_via_explorer_suspicious_child_parent_args.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/initial_access_via_explorer_suspicious_child_parent_args.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious Explorer Child Process", "query": "process where event.type in (\"start\", \"process_started\") and\n process.name : (\"cscript.exe\", \"wscript.exe\", \"powershell.exe\", \"rundll32.exe\", \"cmd.exe\", \"mshta.exe\", \"regsvr32.exe\") and\n /* Explorer started via DCOM */\n process.parent.name : \"explorer.exe\" and process.parent.args : \"-Embedding\"\n", - "risk_score": 43, + "risk_score": 47, "rule_id": "9a5b4e31-6cde-4295-9ff7-6be1b8567e1b", "severity": "medium", "tags": [ @@ -53,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_cmd_service.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_cmd_service.json index db35602753ab0..7e6aece1c359f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_cmd_service.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_cmd_service.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Service Command Lateral Movement", - "query": "sequence by process.entity_id with maxspan=1m\n [process where event.type in (\"start\", \"process_started\") and\n /* uncomment once in winlogbeat */\n (process.name == \"sc.exe\" /* or process.pe.original_file_name == \"sc.exe\" */ ) and\n /* case insensitive */\n wildcard(process.args, \"\\\\\\\\*\") and wildcard(process.args, \"binPath=*\", \"binpath=*\") and\n (process.args : \"create\" or\n process.args : \"config\" or\n process.args : \"failure\" or\n process.args : \"start\")]\n [network where process.name : \"sc.exe\" and destination.ip != \"127.0.0.1\"]\n", + "query": "sequence by process.entity_id with maxspan = 1m\n [process where event.type in (\"start\", \"process_started\") and\n (process.name : \"sc.exe\" or process.pe.original_file_name : \"sc.exe\") and\n process.args : \"\\\\\\\\*\" and process.args : (\"binPath=*\", \"binpath=*\") and\n process.args : (\"create\", \"config\", \"failure\", \"start\")]\n [network where process.name : \"sc.exe\" and destination.ip != \"127.0.0.1\"]\n", "risk_score": 21, "rule_id": "d61cbcf8-1bc1-4cff-85ba-e7b21c5beedc", "severity": "low", @@ -84,5 +85,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_credential_access_kerberos_bifrostconsole.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_credential_access_kerberos_bifrostconsole.json new file mode 100644 index 0000000000000..467ebb045190b --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_credential_access_kerberos_bifrostconsole.json @@ -0,0 +1,71 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies use of Bifrost, a known macOS Kerberos pentesting tool, which can be used to dump cached Kerberos tickets or attempt unauthorized authentication techniques such as pass-the-ticket/hash and kerberoasting.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Kerberos Attack via Bifrost", + "query": "event.category:process and event.type:start and process.args:(\"-action\" and (\"-kerberoast\" or askhash or asktgs or asktgt or s4u or (\"-ticket\" and ptt) or (dump and (tickets or keytab))))", + "references": [ + "https://github.com/its-a-feature/bifrost" + ], + "risk_score": 73, + "rule_id": "16904215-2c95-4ac8-bf5c-12354e047192", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Credential Access", + "Lateral Movement" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0008", + "name": "Lateral Movement", + "reference": "https://attack.mitre.org/tactics/TA0008/" + }, + "technique": [ + { + "id": "T1550", + "name": "Use Alternate Authentication Material", + "reference": "https://attack.mitre.org/techniques/T1550/", + "subtechnique": [ + { + "id": "T1550.003", + "name": "Pass the Ticket", + "reference": "https://attack.mitre.org/techniques/T1550/003/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1558", + "name": "Steal or Forge Kerberos Tickets", + "reference": "https://attack.mitre.org/techniques/T1558/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_hta.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_hta.json index 590f82e31b36b..16069d546ba6a 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_hta.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_hta.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +44,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_mmc20.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_mmc20.json index 5dee8493d57ad..7aa04a808ca99 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_mmc20.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_mmc20.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +44,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_shellwindow_shellbrowserwindow.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_shellwindow_shellbrowserwindow.json index 4e04dc1d458cb..d8c4dfb5d2a73 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_shellwindow_shellbrowserwindow.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_dcom_shellwindow_shellbrowserwindow.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +44,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_direct_outbound_smb_connection.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_direct_outbound_smb_connection.json index bb461cc8321e1..6e68d545d6672 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_direct_outbound_smb_connection.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_direct_outbound_smb_connection.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 5 + "version": 6 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_executable_tool_transfer_smb.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_executable_tool_transfer_smb.json index bc3f48904c43f..6d82b129a3a70 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_executable_tool_transfer_smb.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_executable_tool_transfer_smb.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +41,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_from_tsclient_mup.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_from_tsclient_mup.json index f3ce3a677bd29..b3eee1df24f77 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_from_tsclient_mup.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_from_tsclient_mup.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_via_file_shares_sequence.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_via_file_shares_sequence.json index be4ad485fdbe4..81a9fc221a4a7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_via_file_shares_sequence.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_execution_via_file_shares_sequence.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -50,5 +51,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_winrm_shell_execution.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_winrm_shell_execution.json index 0c9453940b3bc..56f465b8b3b31 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_winrm_shell_execution.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_winrm_shell_execution.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +44,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_wmi.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_wmi.json index e08c758f6f693..9c7f4948a0cd1 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_wmi.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_incoming_wmi.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -49,5 +50,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_local_service_commands.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_local_service_commands.json index 3a04f62733a30..21569be362998 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_local_service_commands.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_local_service_commands.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mount_hidden_or_webdav_share_net.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mount_hidden_or_webdav_share_net.json index 0eade2646dcd8..13d51e51636ed 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mount_hidden_or_webdav_share_net.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mount_hidden_or_webdav_share_net.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mounting_smb_share.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mounting_smb_share.json new file mode 100644 index 0000000000000..702d87b105f65 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_mounting_smb_share.json @@ -0,0 +1,56 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of macOS built-in commands to mount a Server Message Block (SMB) network share. Adversaries may use valid accounts to interact with a remote network share using SMB.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Attempt to Mount SMB Share via Command Line", + "query": "process where event.type in (\"start\", \"process_started\") and\n (\n process.name : \"mount_smbfs\" or\n (process.name : \"open\" and process.args : \"smb://*\") or\n (process.name : \"mount\" and process.args : \"smbfs\") or\n (process.name : \"osascript\" and process.command_line : \"osascript*mount volume*smb://*\")\n )\n", + "references": [ + "https://www.freebsd.org/cgi/man.cgi?mount_smbfs", + "https://ss64.com/osx/mount.html" + ], + "risk_score": 21, + "rule_id": "661545b4-1a90-4f45-85ce-2ebd7c6a15d0", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Lateral Movement" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0008", + "name": "Lateral Movement", + "reference": "https://attack.mitre.org/tactics/TA0008/" + }, + "technique": [ + { + "id": "T1021", + "name": "Remote Services", + "reference": "https://attack.mitre.org/techniques/T1021/", + "subtechnique": [ + { + "id": "T1021.002", + "name": "SMB/Windows Admin Shares", + "reference": "https://attack.mitre.org/techniques/T1021/002/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_powershell_remoting_target.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_powershell_remoting_target.json index aae62e66ad255..b384ed97c146d 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_powershell_remoting_target.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_powershell_remoting_target.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -18,7 +19,7 @@ "references": [ "https://docs.microsoft.com/en-us/powershell/scripting/learn/remoting/running-remote-commands?view=powershell-7.1" ], - "risk_score": 43, + "risk_score": 47, "rule_id": "2772264c-6fb9-4d9d-9014-b416eed21254", "severity": "medium", "tags": [ @@ -46,5 +47,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_enabled_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_enabled_registry.json index 8c51622b0ab52..f823fdb990812 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_enabled_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_enabled_registry.json @@ -6,13 +6,14 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "RDP Enabled via Registry", "query": "registry where\nregistry.path : \"HKLM\\\\SYSTEM\\\\ControlSet*\\\\Control\\\\Terminal Server\\\\fDenyTSConnections\" and\nregistry.data.strings == \"0\" and not (process.name : \"svchost.exe\" and user.domain == \"NT AUTHORITY\") and\nnot process.executable : \"C:\\\\Windows\\\\System32\\\\SystemPropertiesRemote.exe\"\n", - "risk_score": 43, + "risk_score": 47, "rule_id": "58aa72ca-d968-4f34-b9f7-bea51d75eb50", "severity": "medium", "tags": [ @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_sharprdp_target.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_sharprdp_target.json index 9a9a9d0e7a202..3927c20bd5418 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_sharprdp_target.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_sharprdp_target.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -44,5 +45,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_tunnel_plink.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_tunnel_plink.json index 9f1ca61b4c62f..b103b9962aec3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_tunnel_plink.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_rdp_tunnel_plink.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Potential Remote Desktop Tunneling Detected", - "query": "process where event.type in (\"start\", \"process_started\", \"info\") and \n/* RDP port and usual SSH tunneling related switches in commandline */\nwildcard(process.args, \"*:3389\") and wildcard(process.args,\"-L\", \"-P\", \"-R\", \"-pw\", \"-ssh\")\n", + "query": "process where event.type in (\"start\", \"process_started\") and\n /* RDP port and usual SSH tunneling related switches in command line */\n process.args : \"*:3389\" and\n process.args : (\"-L\", \"-P\", \"-R\", \"-pw\", \"-ssh\")\n", "references": [ "https://blog.netspi.com/how-to-access-rdp-over-a-reverse-ssh-tunnel/" ], @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_file_copy_hidden_share.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_file_copy_hidden_share.json index 44d36351afbc9..d9427ca341598 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_file_copy_hidden_share.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_file_copy_hidden_share.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_services.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_services.json index 9d202cf61243d..f6d612b73dc38 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_services.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_services.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -41,5 +42,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_ssh_login_enabled.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_ssh_login_enabled.json index 109ed483653f5..42472277b20c5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_ssh_login_enabled.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_remote_ssh_login_enabled.json @@ -11,10 +11,11 @@ "language": "kuery", "license": "Elastic License", "name": "Remote SSH Login Enabled via systemsetup Command", - "query": "event.category:process and event.type:(start or process_started) and process.name:systemsetup and process.args:(\"-f\" and \"-setremotelogin\" and on)", + "query": "event.category:process and event.type:(start or process_started) and process.name:systemsetup and process.args:(\"-setremotelogin\" and on)", "references": [ "https://documents.trendmicro.com/assets/pdf/XCSSET_Technical_Brief.pdf", - "https://ss64.com/osx/systemsetup.html" + "https://ss64.com/osx/systemsetup.html", + "https://support.apple.com/guide/remote-desktop/about-systemsetup-apd95406b8d/mac" ], "risk_score": 47, "rule_id": "5ae4e6f8-d1bf-40fa-96ba-e29645e1e4dc", @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_scheduled_task_target.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_scheduled_task_target.json index ca29829849a0e..245a6b4baf8d8 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_scheduled_task_target.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_scheduled_task_target.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -56,5 +57,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_suspicious_rdp_client_imageload.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_suspicious_rdp_client_imageload.json index 522b57a1b7966..9da368ca4e914 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_suspicious_rdp_client_imageload.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_suspicious_rdp_client_imageload.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious RDP ActiveX Client Loaded", - "query": "library where file.name == \"mstscax.dll\" and\n /* depending on noise in your env add here extra paths */\n wildcard(process.executable, \"C:\\\\Windows\\\\*\",\n \"C:\\\\Users\\\\Public\\\\*\",\n \"C:\\\\Users\\\\Default\\\\*\",\n \"C:\\\\Intel\\\\*\",\n \"C:\\\\PerfLogs\\\\*\",\n \"C:\\\\ProgramData\\\\*\",\n \"\\\\Device\\\\Mup\\\\*\",\n \"\\\\\\\\*\") and\n /* add here FPs */\n not process.executable in (\"C:\\\\Windows\\\\System32\\\\mstsc.exe\", \"C:\\\\Windows\\\\SysWOW64\\\\mstsc.exe\")\n", + "query": "library where dll.name : \"mstscax.dll\" and\n /* depending on noise in your env add here extra paths */\n process.executable :\n (\n \"C:\\\\Windows\\\\*\",\n \"C:\\\\Users\\\\Public\\\\*\",\n \"C:\\\\Users\\\\Default\\\\*\",\n \"C:\\\\Intel\\\\*\",\n \"C:\\\\PerfLogs\\\\*\",\n \"C:\\\\ProgramData\\\\*\",\n \"\\\\Device\\\\Mup\\\\*\",\n \"\\\\\\\\*\"\n ) and\n /* add here FPs */\n not process.executable : (\"C:\\\\Windows\\\\System32\\\\mstsc.exe\", \"C:\\\\Windows\\\\SysWOW64\\\\mstsc.exe\")\n", "references": [ "https://posts.specterops.io/revisiting-remote-desktop-lateral-movement-8fb905cb46c3" ], @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_via_startup_folder_rdp_smb.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_via_startup_folder_rdp_smb.json index c309f6dbdde29..1f01a2c88fb09 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_via_startup_folder_rdp_smb.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_via_startup_folder_rdp_smb.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -66,5 +67,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_vpn_connection_attempt.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_vpn_connection_attempt.json new file mode 100644 index 0000000000000..e3cd83fc44c04 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/lateral_movement_vpn_connection_attempt.json @@ -0,0 +1,50 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of macOS built-in commands to connect to an existing Virtual Private Network (VPN).", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Virtual Private Network Connection Attempt", + "query": "process where event.type in (\"start\", \"process_started\") and\n (\n (process.name : \"networksetup\" and process.args : \"-connectpppoeservice\") or\n (process.name : \"scutil\" and process.args : \"--nc\" and process.args : \"start\") or\n (process.name : \"osascript\" and process.command_line : \"osascript*set VPN to service*\")\n )\n", + "references": [ + "https://github.com/rapid7/metasploit-framework/blob/master/modules/post/osx/manage/vpn.rb", + "https://www.unix.com/man-page/osx/8/networksetup/", + "https://superuser.com/questions/358513/start-configured-vpn-from-command-line-osx" + ], + "risk_score": 21, + "rule_id": "15dacaa0-5b90-466b-acab-63435a59701a", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Lateral Movement" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0008", + "name": "Lateral Movement", + "reference": "https://attack.mitre.org/tactics/TA0008/" + }, + "technique": [ + { + "id": "T1021", + "name": "Remote Services", + "reference": "https://attack.mitre.org/techniques/T1021/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_account_creation_hide_at_logon.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_account_creation_hide_at_logon.json new file mode 100644 index 0000000000000..3d1f1cf63d5b8 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_account_creation_hide_at_logon.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies attempts to create a local account that will be hidden from the macOS logon window. This may indicate an attempt to evade user attention while maintaining persistence using a separate local account.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Hidden Local User Account Creation", + "query": "event.category:process and event.type:(start or process_started) and process.name:dscl and process.args:(IsHidden and create and (true or 1 or yes))", + "references": [ + "https://support.apple.com/en-us/HT203998" + ], + "risk_score": 47, + "rule_id": "41b638a1-8ab6-4f8e-86d9-466317ef2db5", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/", + "subtechnique": [ + { + "id": "T1078.003", + "name": "Local Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_adobe_hijack_persistence.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_adobe_hijack_persistence.json index 5f569781c2d49..87e2a956888f2 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_adobe_hijack_persistence.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_adobe_hijack_persistence.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_app_compat_shim.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_app_compat_shim.json index 3e7bfb9f46ce5..b0704dd78a51d 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_app_compat_shim.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_app_compat_shim.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Installation of Custom Shim Databases", - "query": "sequence by process.entity_id with maxspan=5m\n [process where event.type in (\"start\", \"process_started\") and\n not (process.name : \"sdbinst.exe\" and process.parent.name : \"msiexec.exe\")]\n [registry where event.type in (\"creation\", \"change\") and\n wildcard(registry.path, \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows NT\\\\CurrentVersion\\\\AppCompatFlags\\\\Custom\\\\*.sdb\")]\n", + "query": "sequence by process.entity_id with maxspan = 5m\n [process where event.type in (\"start\", \"process_started\") and\n not (process.name : \"sdbinst.exe\" and process.parent.name : \"msiexec.exe\")]\n [registry where event.type in (\"creation\", \"change\") and\n registry.path : \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows NT\\\\CurrentVersion\\\\AppCompatFlags\\\\Custom\\\\*.sdb\"]\n", "risk_score": 21, "rule_id": "c5ce48a6-7f57-4ee8-9313-3d0024caee10", "severity": "medium", @@ -47,5 +48,5 @@ } ], "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appcertdlls_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appcertdlls_registry.json index 1e8f5b339ba60..393e593bed482 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appcertdlls_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appcertdlls_registry.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Detects attempts to maintain persistence by creating registry keys using AppCert DLLs. AppCert DLLs are loaded by every process using the common API functions to create processes.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appinitdlls_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appinitdlls_registry.json index b5be845a50e66..21310499ecbd7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appinitdlls_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_appinitdlls_registry.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Attackers may maintain persistence by creating registry keys using AppInit DLLs. AppInit DLLs are loaded by every process using the common library, user32.dll.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_creation_hidden_login_item_osascript.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_creation_hidden_login_item_osascript.json new file mode 100644 index 0000000000000..e105b91362adb --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_creation_hidden_login_item_osascript.json @@ -0,0 +1,75 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of osascript to create a hidden login item. This may indicate an attempt to persist a malicious program while concealing its presence.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Creation of Hidden Login Item via Apple Script", + "query": "process where event.type in (\"start\", \"process_started\") and process.name : \"osascript\" and\n process.command_line : \"osascript*login item*hidden:true*\"\n", + "risk_score": 47, + "rule_id": "f24bcae1-8980-4b30-b5dd-f851b055c9e7", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence", + "Execution" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.011", + "name": "Plist Modification", + "reference": "https://attack.mitre.org/techniques/T1547/011/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1059", + "name": "Command and Scripting Interpreter", + "reference": "https://attack.mitre.org/techniques/T1059/", + "subtechnique": [ + { + "id": "T1059.002", + "name": "AppleScript", + "reference": "https://attack.mitre.org/techniques/T1059/002/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_authorization_plugin_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_authorization_plugin_creation.json new file mode 100644 index 0000000000000..1445d9c489dba --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_authorization_plugin_creation.json @@ -0,0 +1,57 @@ +{ + "author": [ + "Elastic" + ], + "description": "Authorization plugins are used to extend the authorization services API and implement mechanisms that are not natively supported by the OS, such as multi-factor authentication with third party software. Adversaries may abuse this feature to persist and/or collect clear text credentials as they traverse the registered plugins during user logon.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Authorization Plugin Modification", + "query": "event.category:file and not event.type:deletion and file.path:(/Library/Security/SecurityAgentPlugins/* and not /Library/Security/SecurityAgentPlugins/TeamViewerAuthPlugin.bundle/Contents/*)", + "references": [ + "https://developer.apple.com/documentation/security/authorization_plug-ins", + "https://www.xorrior.com/persistent-credential-theft/" + ], + "risk_score": 47, + "rule_id": "e6c98d38-633d-4b3e-9387-42112cd5ac10", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence", + "Credential Access" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.002", + "name": "Authentication Package", + "reference": "https://attack.mitre.org/techniques/T1547/002/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_modify_auth_module_or_config.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_modify_auth_module_or_config.json new file mode 100644 index 0000000000000..2d250ede2832b --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_modify_auth_module_or_config.json @@ -0,0 +1,71 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries may modify the standard authentication module for persistence via patching the normal authorization process or modifying the login configuration to allow unauthorized access or elevate privileges.", + "false_positives": [ + "Trusted system module updates or allowed Pluggable Authentication Module (PAM) daemon configuration changes." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Modification of Standard Authentication Module or Configuration", + "query": "event.category:file and event.type:change and (file.name:pam_*.so or file.path:(/etc/pam.d/* or /private/etc/pam.d/*)) and process.executable: (* and not ( /bin/yum or \"/usr/sbin/pam-auth-update\" or /usr/libexec/packagekitd or /usr/bin/dpkg or /usr/bin/vim or /usr/libexec/xpcproxy or /usr/bin/bsdtar or /usr/local/bin/brew ) )", + "references": [ + "https://github.com/zephrax/linux-pam-backdoor", + "https://github.com/eurialo/pambd", + "http://0x90909090.blogspot.com/2016/06/creating-backdoor-in-pam-in-5-line-of.html", + "https://www.trendmicro.com/en_us/research/19/i/skidmap-linux-malware-uses-rootkit-capabilities-to-hide-cryptocurrency-mining-payload.html" + ], + "risk_score": 47, + "rule_id": "93f47b6f-5728-4004-ba00-625083b3dcb0", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Linux", + "Threat Detection", + "Credential Access", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1543", + "name": "Create or Modify System Process", + "reference": "https://attack.mitre.org/techniques/T1543/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1556", + "name": "Modify Authentication Process", + "reference": "https://attack.mitre.org/techniques/T1556/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_modify_ssh_binaries.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_modify_ssh_binaries.json new file mode 100644 index 0000000000000..8b9df12761d20 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_credential_access_modify_ssh_binaries.json @@ -0,0 +1,67 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries may modify SSH related binaries for persistence or credential access by patching sensitive functions to enable unauthorized access or by logging SSH credentials for exfiltration.", + "false_positives": [ + "Trusted OpenSSH executable updates. It's recommended to verify the integrity of OpenSSH binary changes." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Modification of OpenSSH Binaries", + "query": "event.category:file and event.type:change and process.name:* and (file.path:(/usr/sbin/sshd or /usr/bin/ssh or /usr/bin/sftp or /usr/bin/scp) or file.name:libkeyutils.so) and not process.executable:/usr/bin/dpkg", + "references": [ + "https://blog.angelalonso.es/2016/09/anatomy-of-real-linux-intrusion-part-ii.html" + ], + "risk_score": 47, + "rule_id": "0415f22a-2336-45fa-ba07-618a5942e22c", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Credential Access", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1543", + "name": "Create or Modify System Process", + "reference": "https://attack.mitre.org/techniques/T1543/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0006", + "name": "Credential Access", + "reference": "https://attack.mitre.org/tactics/TA0006/" + }, + "technique": [ + { + "id": "T1556", + "name": "Modify Authentication Process", + "reference": "https://attack.mitre.org/techniques/T1556/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_cron_jobs_creation_and_runtime.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_cron_jobs_creation_and_runtime.json new file mode 100644 index 0000000000000..7969feb7e204c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_cron_jobs_creation_and_runtime.json @@ -0,0 +1,60 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or execution of a cron job. Adversaries may abuse cron jobs to perform task scheduling for initial or recurring execution of malicious code.", + "false_positives": [ + "Legitimate software or scripts using cron jobs for recurring tasks." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Persistence via Cron Job", + "query": "event.category:process and event.type:(start or process_started or info) and not user.name:root and ((process.name:crontab and not process.args:(\"-l\" or \"-r\" or \"-e\" or \"-help\" or \"-h\")) or (process.parent.name:cron and not process.name:\"running job\" and not process.executable:(/Applications/Docker.app/Contents/Resources/bin/docker or /usr/bin/killall or /usr/sbin/sendmail or /usr/bin/env or /usr/bin/timeshift or /bin/rm)))", + "references": [ + "https://archive.f-secure.com/weblog/archives/00002576.html", + "https://ss64.com/osx/crontab.html" + ], + "risk_score": 21, + "rule_id": "b1c14366-f4f8-49a0-bcbb-51d2de8b0bb8", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1053", + "name": "Scheduled Task/Job", + "reference": "https://attack.mitre.org/techniques/T1053/", + "subtechnique": [ + { + "id": "T1053.003", + "name": "Cron", + "reference": "https://attack.mitre.org/techniques/T1053/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_defense_evasion_hidden_launch_agent_deamon_logonitem_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_defense_evasion_hidden_launch_agent_deamon_logonitem_process.json new file mode 100644 index 0000000000000..1c2628871b8d0 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_defense_evasion_hidden_launch_agent_deamon_logonitem_process.json @@ -0,0 +1,80 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of a launchd child process with a hidden file. An adversary can establish persistence by installing a new logon item, launch agent, or daemon that executes upon login.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Suspicious Hidden Child Process of Launchd", + "query": "event.category:process and event.type:(start or process_started) and process.name:.* and process.parent.executable:/sbin/launchd", + "references": [ + "https://objective-see.com/blog/blog_0x61.html", + "https://www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets/", + "https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPSystemStartup/Chapters/CreatingLaunchdJobs.html" + ], + "risk_score": 47, + "rule_id": "083fa162-e790-4d85-9aeb-4fea04188adb", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1543", + "name": "Create or Modify System Process", + "reference": "https://attack.mitre.org/techniques/T1543/", + "subtechnique": [ + { + "id": "T1543.001", + "name": "Launch Agent", + "reference": "https://attack.mitre.org/techniques/T1543/001/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1564", + "name": "Hide Artifacts", + "reference": "https://attack.mitre.org/techniques/T1564/", + "subtechnique": [ + { + "id": "T1564.001", + "name": "Hidden Files and Directories", + "reference": "https://attack.mitre.org/techniques/T1564/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_directory_services_plugins_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_directory_services_plugins_modification.json new file mode 100644 index 0000000000000..8fe0648e8e5a9 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_directory_services_plugins_modification.json @@ -0,0 +1,48 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or modification of a DirectoryService PlugIns (dsplug) file. The DirectoryService daemonlaunches on each system boot and automatically reloads after crash. It scans and executes bundles that are located in the DirectoryServices PlugIns folder and can be abused by adversaries to maintain persistence.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Persistence via DirectoryService Plugin Modification", + "query": "event.category:file and not event.type:deletion and file.path:/Library/DirectoryServices/PlugIns/*.dsplug", + "references": [ + "https://blog.chichou.me/2019/11/21/two-macos-persistence-tricks-abusing-plugins/" + ], + "risk_score": 47, + "rule_id": "89fa6cb7-6b53-4de2-b604-648488841ab8", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_docker_shortcuts_plist_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_docker_shortcuts_plist_modification.json new file mode 100644 index 0000000000000..096ebc04ddeb5 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_docker_shortcuts_plist_modification.json @@ -0,0 +1,48 @@ +{ + "author": [ + "Elastic" + ], + "description": "An adversary can establish persistence by modifying an existing macOS dock property list in order to execute a malicious application instead of the intended one when invoked.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Persistence via Docker Shortcut Modification", + "query": "event.category : file and event.action : modification and file.path : /Users/*/Library/Preferences/com.apple.dock.plist and not process.name : (xpcproxy or cfprefsd or plutil or jamf or PlistBuddy or InstallerRemotePluginService)", + "references": [ + "https://github.com/specterops/presentations/raw/master/Leo Pitt/Hey_Im_Still_in_Here_Modern_macOS_Persistence_SO-CON2020.pdf" + ], + "risk_score": 47, + "rule_id": "c81cefcb-82b9-4408-a533-3c3df549e62d", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1543", + "name": "Create or Modify System Process", + "reference": "https://attack.mitre.org/techniques/T1543/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_emond_rules_file_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_emond_rules_file_creation.json new file mode 100644 index 0000000000000..71375e835cf41 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_emond_rules_file_creation.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or modification of the Event Monitor Daemon (emond) rules. Adversaries may abuse this service by writing a rule to execute commands when a defined event occurs, such as system start up or user authentication.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Emond Rules Creation or Modification", + "query": "file where event.type != \"deletion\" and\n file.path : (\"/private/etc/emond.d/rules/*.plist\", \"/etc/emon.d/rules/*.plist\")\n", + "references": [ + "https://www.xorrior.com/emond-persistence/" + ], + "risk_score": 47, + "rule_id": "a6bf4dd4-743e-4da8-8c03-3ebd753a6c90", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1546", + "name": "Event Triggered Execution", + "reference": "https://attack.mitre.org/techniques/T1546/", + "subtechnique": [ + { + "id": "T1546.014", + "name": "Emond", + "reference": "https://attack.mitre.org/techniques/T1546/014/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_emond_rules_process_execution.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_emond_rules_process_execution.json new file mode 100644 index 0000000000000..62e93786786b4 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_emond_rules_process_execution.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the execution of a suspicious child process of the Event Monitor Daemon (emond). Adversaries may abuse this service by writing a rule to execute commands when a defined event occurs, such as system start up or user authentication.", + "from": "now-9m", + "index": [ + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Suspicious Emond Child Process", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.parent.name : \"emond\" and\n process.name : (\n \"bash\",\n \"dash\",\n \"sh\",\n \"tcsh\",\n \"csh\",\n \"zsh\",\n \"ksh\",\n \"fish\",\n \"Python\",\n \"python*\",\n \"perl*\",\n \"php*\",\n \"osascript\",\n \"pwsh\",\n \"curl\",\n \"wget\",\n \"cp\",\n \"mv\",\n \"touch\",\n \"echo\",\n \"base64\",\n \"launchctl\")\n", + "references": [ + "https://www.xorrior.com/emond-persistence/" + ], + "risk_score": 47, + "rule_id": "3e3d15c6-1509-479a-b125-21718372157e", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Execution", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1546", + "name": "Event Triggered Execution", + "reference": "https://attack.mitre.org/techniques/T1546/", + "subtechnique": [ + { + "id": "T1546.014", + "name": "Emond", + "reference": "https://attack.mitre.org/techniques/T1546/014/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_enable_root_account.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_enable_root_account.json new file mode 100644 index 0000000000000..e7c27e8d33caf --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_enable_root_account.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies attempts to enable the root account using the dsenableroot command. This command may be abused by adversaries for persistence, as the root account is disabled by default.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Attempt to Enable the Root Account", + "query": "event.category:process and event.type:(start or process_started) and process.name:dsenableroot and not process.args:\"-d\"", + "references": [ + "https://ss64.com/osx/dsenableroot.html" + ], + "risk_score": 47, + "rule_id": "cc2fd2d0-ba3a-4939-b87f-2901764ed036", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/", + "subtechnique": [ + { + "id": "T1078.003", + "name": "Local Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_hidden_launch_agent_deamon_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_hidden_launch_agent_deamon_creation.json new file mode 100644 index 0000000000000..4129a18994f11 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_hidden_launch_agent_deamon_creation.json @@ -0,0 +1,78 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation of a hidden launch agent or daemon. An adversary may establish persistence by installing a new launch agent or daemon which executes at login.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Creation of Hidden Launch Agent or Daemon", + "query": "file where event.type != \"deletion\" and\n file.path : \n (\n \"/System/Library/LaunchAgents/.*.plist\",\n \"/Library/LaunchAgents/.*.plist\",\n \"/Users/*/Library/LaunchAgents/.*.plist\",\n \"/System/Library/LaunchDaemons/.*.plist\",\n \"/Library/LaunchDaemons/.*.plist\"\n )\n", + "references": [ + "https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPSystemStartup/Chapters/CreatingLaunchdJobs.html" + ], + "risk_score": 47, + "rule_id": "092b068f-84ac-485d-8a55-7dd9e006715f", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence", + "Defense Evasion" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1543", + "name": "Create or Modify System Process", + "reference": "https://attack.mitre.org/techniques/T1543/", + "subtechnique": [ + { + "id": "T1543.001", + "name": "Launch Agent", + "reference": "https://attack.mitre.org/techniques/T1543/001/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1564", + "name": "Hide Artifacts", + "reference": "https://attack.mitre.org/techniques/T1564/", + "subtechnique": [ + { + "id": "T1564.001", + "name": "Hidden Files and Directories", + "reference": "https://attack.mitre.org/techniques/T1564/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_hidden_local_account_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_hidden_local_account_creation.json new file mode 100644 index 0000000000000..bfe3c1f20cb81 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_hidden_local_account_creation.json @@ -0,0 +1,51 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation of a hidden local user account by appending the dollar sign to the account name. This is sometimes done by attackers to increase access to a system and avoid appearing in the results of accounts listing using the net users command.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Creation of a Hidden Local User Account", + "query": "registry where registry.path : \"HKLM\\\\SAM\\\\SAM\\\\Domains\\\\Account\\\\Users\\\\Names\\\\*$\\\\\"\n", + "references": [ + "https://blog.menasec.net/2019/02/threat-hunting-6-hiding-in-plain-sights_8.html", + "https://github.com/CyberMonitor/APT_CyberCriminal_Campagin_Collections/tree/master/2020/2020.12.15.Lazarus_Campaign" + ], + "risk_score": 73, + "rule_id": "2edc8076-291e-41e9-81e4-e3fcbc97ae5e", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Defense Evasion", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1136", + "name": "Create Account", + "reference": "https://attack.mitre.org/techniques/T1136/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_registry_ifeo_injection.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_registry_ifeo_injection.json index 03cb315a9982f..9e83f609ac830 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_registry_ifeo_injection.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_evasion_registry_ifeo_injection.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "The Debugger and SilentProcessExit registry keys can allow an adversary to intercept the execution of files, causing a different process to be executed. This functionality can be abused by an adversary to establish persistence.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -50,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_finder_sync_plugin_pluginkit.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_finder_sync_plugin_pluginkit.json new file mode 100644 index 0000000000000..0fa1058918a19 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_finder_sync_plugin_pluginkit.json @@ -0,0 +1,50 @@ +{ + "author": [ + "Elastic" + ], + "description": "Finder Sync plugins enable users to extend Finder\u2019s functionality by modifying the user interface. Adversaries may abuse this feature by adding a rogue Finder Plugin to repeatedly execute malicious payloads for persistence.", + "false_positives": [ + "Trusted Finder Sync Plugins" + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Finder Sync Plugin Registered and Enabled", + "query": "sequence by host.id, user.id with maxspan = 5s\n [process where event.type in (\"start\", \"process_started\") and process.name : \"pluginkit\" and process.args : \"-a\"]\n [process where event.type in (\"start\", \"process_started\") and process.name : \"pluginkit\" and\n process.args : \"-e\" and process.args : \"use\" and process.args : \"-i\" and\n not process.args :\n (\n \"com.google.GoogleDrive.FinderSyncAPIExtension\",\n \"com.google.drivefs.findersync\",\n \"com.boxcryptor.osx.Rednif\",\n \"com.adobe.accmac.ACCFinderSync\",\n \"com.microsoft.OneDrive.FinderSync\",\n \"com.insynchq.Insync.Insync-Finder-Integration\",\n \"com.box.desktop.findersyncext\"\n )\n ]\n", + "references": [ + "https://github.com/specterops/presentations/raw/master/Leo Pitt/Hey_Im_Still_in_Here_Modern_macOS_Persistence_SO-CON2020.pdf" + ], + "risk_score": 47, + "rule_id": "37f638ea-909d-4f94-9248-edd21e4a9906", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1543", + "name": "Create or Modify System Process", + "reference": "https://attack.mitre.org/techniques/T1543/" + } + ] + } + ], + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_gpo_schtask_service_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_gpo_schtask_service_creation.json index 17d2505f4aaca..c3eb9584b7dfb 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_gpo_schtask_service_creation.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_gpo_schtask_service_creation.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_kde_autostart_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_kde_autostart_modification.json new file mode 100644 index 0000000000000..2ecb3624e4fca --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_kde_autostart_modification.json @@ -0,0 +1,50 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or modification of a K Desktop Environment (KDE) AutoStart script or desktop file that will execute upon each user logon. Adversaries may abuse this method for persistence.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Persistence via KDE AutoStart Script or Desktop File Modification", + "query": "file where event.type != \"deletion\" and\n file.extension in (\"sh\", \"desktop\") and\n file.path :\n (\n \"/home/*/.config/autostart/*\", \"/root/.config/autostart/*\",\n \"/home/*/.kde/Autostart/*\", \"/root/.kde/Autostart/*\",\n \"/home/*/.kde4/Autostart/*\", \"/root/.kde4/Autostart/*\",\n \"/home/*/.kde/share/autostart/*\", \"/root/.kde/share/autostart/*\",\n \"/home/*/.kde4/share/autostart/*\", \"/root/.kde4/share/autostart/*\",\n \"/home/*/.local/share/autostart/*\", \"/root/.local/share/autostart/*\",\n \"/home/*/.config/autostart-scripts/*\", \"/root/.config/autostart-scripts/*\",\n \"/etc/xdg/autostart/*\", \"/usr/share/autostart/*\"\n )\n", + "references": [ + "https://userbase.kde.org/System_Settings/Autostart", + "https://www.amnesty.org/en/latest/research/2020/09/german-made-finspy-spyware-found-in-egypt-and-mac-and-linux-versions-revealed/", + "https://www.intezer.com/blog/research/operation-electrorat-attacker-creates-fake-companies-to-drain-your-crypto-wallets/" + ], + "risk_score": 47, + "rule_id": "e3e904b3-0a8e-4e68-86a8-977a163e21d3", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_commands.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_commands.json index 3f1216c2fcc33..da5967d6d4596 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_commands.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_commands.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_scripting.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_scripting.json index ad28885de0740..69e2eee696cb3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_scripting.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_local_scheduled_task_scripting.json @@ -9,14 +9,15 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Scheduled Task Created by a Windows Script", "note": "Decode the base64 encoded Tasks Actions registry value to investigate the task's configured action.", - "query": "sequence by host.id with maxspan = 30s\n [library where file.name : \"taskschd.dll\" and process.name : (\"cscript.exe\", \"wscript.exe\", \"powershell.exe\")]\n [registry where registry.path : \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows NT\\\\CurrentVersion\\\\Schedule\\\\TaskCache\\\\Tasks\\\\*\\\\Actions\"]\n", - "risk_score": 43, + "query": "sequence by host.id with maxspan = 30s\n [library where dll.name : \"taskschd.dll\" and process.name : (\"cscript.exe\", \"wscript.exe\", \"powershell.exe\")]\n [registry where registry.path : \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows NT\\\\CurrentVersion\\\\Schedule\\\\TaskCache\\\\Tasks\\\\*\\\\Actions\"]\n", + "risk_score": 47, "rule_id": "689b9d57-e4d5-4357-ad17-9c334609d79a", "severity": "medium", "tags": [ @@ -44,5 +45,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_loginwindow_plist_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_loginwindow_plist_modification.json new file mode 100644 index 0000000000000..22d82b567f362 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_loginwindow_plist_modification.json @@ -0,0 +1,56 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or modification of the login window property list (plist). Adversaries may modify plist files to run a program during system boot or user login for persistence.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Persistence via Login Hook", + "note": "Starting in Mac OS X 10.7 (Lion), users can specify certain applications to be re-opened when a user reboots their machine. This can be abused to establish or maintain persistence on a compromised system.", + "query": "event.category:\"file\" and not event.type:\"deletion\" and file.name:\"com.apple.loginwindow.plist\" and process.name:(* and not (systemmigrationd or DesktopServicesHelper or diskmanagementd or rsync or launchd or cfprefsd or xpcproxy or ManagedClient or MCXCompositor))", + "references": [ + "https://github.com/D00MFist/PersistentJXA/blob/master/LoginScript.js" + ], + "risk_score": 47, + "rule_id": "ac412404-57a5-476f-858f-4e8fbb4f48d8", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.011", + "name": "Plist Modification", + "reference": "https://attack.mitre.org/techniques/T1547/011/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_modification_sublime_app_plugin_or_script.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_modification_sublime_app_plugin_or_script.json new file mode 100644 index 0000000000000..64d2b7834c95a --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_modification_sublime_app_plugin_or_script.json @@ -0,0 +1,48 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries may create or modify the Sublime application plugins or scripts to execute a malicious payload each time the Sublime application is started.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Sublime Plugin or Application Script Modification", + "query": "file where event.type in (\"change\", \"creation\") and file.extension : \"py\" and\n file.path : \n (\n \"/Users/*/Library/Application Support/Sublime Text*/Packages/*.py\", \n \"/Applications/Sublime Text.app/Contents/MacOS/sublime.py\"\n ) and\n not process.executable : \n (\n \"/Applications/Sublime Text*.app/Contents/MacOS/Sublime Text*\", \n \"/usr/local/Cellar/git/*/bin/git\", \n \"/usr/libexec/xpcproxy\", \n \"/System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/Resources/DesktopServicesHelper\", \n \"/Applications/Sublime Text.app/Contents/MacOS/plugin_host\"\n )\n", + "references": [ + "https://posts.specterops.io/persistent-jxa-66e1c3cd1cf5" + ], + "risk_score": 21, + "rule_id": "88817a33-60d3-411f-ba79-7c905d865b2a", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1554", + "name": "Compromise Client Software Binary", + "reference": "https://attack.mitre.org/techniques/T1554/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_office_addins_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_office_addins_file.json index 573ff7f7b4331..7da9b515b6457 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_office_addins_file.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_office_addins_file.json @@ -6,16 +6,17 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Persistence via Microsoft Office AddIns", - "query": "file where event.type != \"deletion\" and\n wildcard(file.extension,\"wll\",\"xll\",\"ppa\",\"ppam\",\"xla\",\"xlam\") and\n wildcard(file.path, \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\Word\\\\Startup\\\\*\",\n \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\AddIns\\\\*\",\n \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\Excel\\\\XLSTART\\\\*\")\n", + "query": "file where event.type != \"deletion\" and\n file.extension : (\"wll\",\"xll\",\"ppa\",\"ppam\",\"xla\",\"xlam\") and\n file.path :\n (\n \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\Word\\\\Startup\\\\*\",\n \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\AddIns\\\\*\",\n \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\Excel\\\\XLSTART\\\\*\"\n )\n", "references": [ "https://labs.mwrinfosecurity.com/blog/add-in-opportunities-for-office-persistence/" ], - "risk_score": 71, + "risk_score": 73, "rule_id": "f44fa4b6-524c-4e87-8d9e-a32599e4fb7c", "severity": "high", "tags": [ @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_outlook_vba_template.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_outlook_vba_template.json index 9192ea9ab3961..1c1eddeb91a9e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_outlook_vba_template.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ms_outlook_vba_template.json @@ -9,17 +9,18 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Persistence via Microsoft Outlook VBA", - "query": "file where event.type != \"deletion\" and\n wildcard(file.path, \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\Outlook\\\\VbaProject.OTM\")\n", + "query": "file where event.type != \"deletion\" and\n file.path : \"C:\\\\Users\\\\*\\\\AppData\\\\Roaming\\\\Microsoft\\\\Outlook\\\\VbaProject.OTM\"\n", "references": [ "https://www.mdsec.co.uk/2020/11/a-fresh-outlook-on-mail-based-persistence/", "https://www.linkedin.com/pulse/outlook-backdoor-using-vba-samir-b-/" ], - "risk_score": 43, + "risk_score": 47, "rule_id": "397945f3-d39a-4e6f-8bcb-9656c2031438", "severity": "medium", "tags": [ @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_periodic_tasks_file_mdofiy.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_periodic_tasks_file_mdofiy.json new file mode 100644 index 0000000000000..e54b368a24cc2 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_periodic_tasks_file_mdofiy.json @@ -0,0 +1,57 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the creation or modification of the default configuration for periodic tasks. Adversaries may abuse periodic tasks to execute malicious code or maintain persistence.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Persistence via Periodic Tasks", + "query": "event.category:\"file\" and not event.type:\"deletion\" and file.path:(/private/etc/periodic/* or /private/etc/defaults/periodic.conf or /private/etc/periodic.conf)", + "references": [ + "https://opensource.apple.com/source/crontabs/crontabs-13/private/etc/defaults/periodic.conf.auto.html", + "https://www.oreilly.com/library/view/mac-os-x/0596003706/re328.html", + "https://github.com/D00MFist/PersistentJXA/blob/master/PeriodicPersist.js" + ], + "risk_score": 21, + "rule_id": "48ec9452-e1fd-4513-a376-10a1a26d2c83", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1053", + "name": "Scheduled Task/Job", + "reference": "https://attack.mitre.org/techniques/T1053/", + "subtechnique": [ + { + "id": "T1053.003", + "name": "Cron", + "reference": "https://attack.mitre.org/techniques/T1053/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_priv_escalation_via_accessibility_features.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_priv_escalation_via_accessibility_features.json index 1cd66ea45dea3..69d84e6082f7e 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_priv_escalation_via_accessibility_features.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_priv_escalation_via_accessibility_features.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Windows contains accessibility features that may be launched with a key combination before a user has logged in. An adversary can modify the way these programs are launched to get a command prompt or backdoor without logging in to the system.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -72,5 +74,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_registry_uncommon.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_registry_uncommon.json index 93e67ccab04b2..52ca728d933f5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_registry_uncommon.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_registry_uncommon.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Detects changes to registry persistence keys that are uncommonly used or modified by legitimate programs. This could be an indication of an adversary's attempt to persist in a stealthy manner.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -52,5 +54,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_run_key_and_startup_broad.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_run_key_and_startup_broad.json index 62ca418bbfdec..2e06beaa4e32b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_run_key_and_startup_broad.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_run_key_and_startup_broad.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies run key or startup key registry modifications. In order to survive reboots and other system interrupts, attackers will modify run keys within the registry or leverage startup folder items as a form of persistence.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_runtime_run_key_startup_susp_procs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_runtime_run_key_startup_susp_procs.json index 52d0720839f5c..c4c1c1f23b6a5 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_runtime_run_key_startup_susp_procs.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_runtime_run_key_startup_susp_procs.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies execution of suspicious persistent programs (scripts, rundll32, etc.) by looking at process lineage and command line usage.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -46,5 +48,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_services_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_services_registry.json index 8d90717ec69fc..f95d6e883adf2 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_services_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_services_registry.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies processes modifying the services registry key directly, instead of through the expected Windows APIs. This could be an indication of an adversary attempting to stealthily persist through abnormal service creation or modification of an existing service.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_shell_profile_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_shell_profile_modification.json new file mode 100644 index 0000000000000..78fa1e65d1e0c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_shell_profile_modification.json @@ -0,0 +1,60 @@ +{ + "author": [ + "Elastic" + ], + "description": "Both ~/.bash_profile and ~/.bashrc are files containing shell commands that are run when Bash is invoked. These files are executed in a user's context, either interactively or non-interactively, when a user logs in so that their environment is set correctly. Adversaries may abuse this to establish persistence by executing malicious content triggered by a user\u2019s shell.", + "false_positives": [ + "Changes to the Shell Profile tend to be noisy, a tuning per your environment will be required." + ], + "from": "now-9m", + "index": [ + "logs-endpoint.events.*", + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Bash Shell Profile Modification", + "query": "event.category:file and event.type:change and process.name:(* and not (sudo or vim or zsh or env or nano or bash or Terminal or xpcproxy or login or cat or cp or launchctl or java)) and not process.executable:(/Applications/* or /private/var/folders/* or /usr/local/*) and file.path:(/private/etc/rc.local or /etc/rc.local or /home/*/.profile or /home/*/.profile1 or /home/*/.bash_profile or /home/*/.bash_profile1 or /home/*/.bashrc or /Users/*/.bash_profile or /Users/*/.zshenv)", + "references": [ + "https://www.anomali.com/blog/pulling-linux-rabbit-rabbot-malware-out-of-a-hat" + ], + "risk_score": 47, + "rule_id": "e6c1a552-7776-44ad-ae0f-8746cc07773c", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Linux", + "Threat Detection", + "Execution", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1546", + "name": "Event Triggered Execution", + "reference": "https://attack.mitre.org/techniques/T1546/", + "subtechnique": [ + { + "id": "T1546.004", + "name": ".bash_profile and .bashrc", + "reference": "https://attack.mitre.org/techniques/T1546/004/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ssh_authorized_keys_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ssh_authorized_keys_modification.json new file mode 100644 index 0000000000000..aa24a832e594c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_ssh_authorized_keys_modification.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic" + ], + "description": "The Secure Shell (SSH) authorized_keys file specifies which users are allowed to log into a server using public key authentication. Adversaries may modify it to maintain persistence on a victim host by adding their own public key(s).", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "SSH Authorized Keys File Modification", + "query": "event.category:file and event.type:(change or creation) and file.name:(\"authorized_keys\" or \"authorized_keys2\") and not process.executable: (/Library/Developer/CommandLineTools/usr/bin/git or /usr/local/Cellar/maven/*/libexec/bin/mvn or /Library/Java/JavaVirtualMachines/jdk*.jdk/Contents/Home/bin/java or /usr/bin/vim or /usr/local/Cellar/coreutils/*/bin/gcat or /usr/bin/bsdtar or /usr/bin/nautilus or /usr/bin/scp or /usr/bin/touch or /var/lib/docker/*)", + "risk_score": 47, + "rule_id": "2215b8bd-1759-4ffa-8ab8-55c8e6b32e7f", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1098", + "name": "Account Manipulation", + "reference": "https://attack.mitre.org/techniques/T1098/", + "subtechnique": [ + { + "id": "T1098.004", + "name": "SSH Authorized Keys", + "reference": "https://attack.mitre.org/techniques/T1098/004/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_suspicious_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_suspicious_process.json index 5defde988ac3b..c202a416c3202 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_suspicious_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_suspicious_process.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies files written to or modified in the startup folder by commonly abused processes. Adversaries may use this technique to maintain persistence.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_unsigned_process.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_unsigned_process.json index 67c9c3db6ba2a..bf58c0f084baa 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_unsigned_process.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_file_written_by_unsigned_process.json @@ -3,6 +3,7 @@ "Elastic" ], "description": "Identifies files written or modified in the startup folder by unsigned processes. Adversaries may abuse this technique to maintain persistence in an environment.", + "from": "now-9m", "index": [ "logs-endpoint.events.*" ], @@ -45,5 +46,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_scripts.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_scripts.json index f689796a3673e..6ea42440c3f91 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_scripts.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_startup_folder_scripts.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies script engines creating files in the startup folder, or the creation of script files in the startup folder.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_calendar_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_calendar_modification.json new file mode 100644 index 0000000000000..e454dac4dba99 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_calendar_modification.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies suspicious modifications of the calendar file by an unusual process. Adversaries may create a custom calendar notification procedure to execute a malicious program at a recurring interval to establish persistence.", + "false_positives": [ + "Trusted applications for managing calendars and reminders." + ], + "from": "now-9m", + "index": [ + "logs-endpoint.events.*", + "auditbeat-*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Suspicious Calendar File Modification", + "query": "event.category:file and event.action:modification and file.path:/Users/*/Library/Calendars/*.calendar/Events/*.ics and process.executable: (* and not ( /System/Library/* or /System/Applications/Calendar.app/Contents/MacOS/* or /usr/libexec/xpcproxy or /sbin/launchd or /Applications/* ) )", + "references": [ + "https://labs.f-secure.com/blog/operationalising-calendar-alerts-persistence-on-macos", + "https://github.com/FSecureLABS/CalendarPersist", + "https://github.com/D00MFist/PersistentJXA/blob/master/CalendarPersist.js" + ], + "risk_score": 47, + "rule_id": "cb71aa62-55c8-42f0-b0dd-afb0bb0b1f51", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1546", + "name": "Event Triggered Execution", + "reference": "https://attack.mitre.org/techniques/T1546/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_com_hijack_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_com_hijack_registry.json index 41e8bd04b87ef..7a7f0906b65b9 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_com_hijack_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_com_hijack_registry.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies Component Object Model (COM) hijacking via registry modification. Adversaries may establish persistence by executing malicious content triggered by hijacked references to COM objects.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -50,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_image_load_scheduled_task_ms_office.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_image_load_scheduled_task_ms_office.json index 77e63a546a896..856ed7127aa9d 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_image_load_scheduled_task_ms_office.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_image_load_scheduled_task_ms_office.json @@ -3,14 +3,16 @@ "Elastic" ], "description": "Identifies a suspicious image load (taskschd.dll) from Microsoft Office processes. This behavior may indicate adversarial activity where a scheduled task is configured via Windows Component Object Model (COM). This technique can be used to configure persistence and evade monitoring by avoiding the usage of the traditional Windows binary (schtasks.exe) used to manage scheduled tasks.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious Image Load (taskschd.dll) from MS Office", - "query": "library where process.name in (\"WINWORD.EXE\", \"EXCEL.EXE\", \"POWERPNT.EXE\", \"MSPUB.EXE\", \"MSACCESS.EXE\") and\n event.action == \"load\" and\n event.category == \"library\" and\n file.name == \"taskschd.dll\"\n", + "query": "library where process.name : (\"WINWORD.EXE\", \"EXCEL.EXE\", \"POWERPNT.EXE\", \"MSPUB.EXE\", \"MSACCESS.EXE\") and\n event.action : \"load\" and\n event.category : \"library\" and\n dll.name : \"taskschd.dll\"\n", "references": [ "https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16", "https://www.clearskysec.com/wp-content/uploads/2020/10/Operation-Quicksand.pdf" @@ -44,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_scheduled_task_runtime.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_scheduled_task_runtime.json index 51d19bdaef6db..0ccec7f29805b 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_scheduled_task_runtime.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_scheduled_task_runtime.json @@ -9,13 +9,14 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "Suspicious Execution via Scheduled Task", "query": "process where event.type == \"start\" and\n /* Schedule service cmdline on Win10+ */\n process.parent.name : \"svchost.exe\" and process.parent.args : \"Schedule\" and\n /* add suspicious programs here */\n process.pe.original_file_name in\n (\n \"cscript.exe\",\n \"wscript.exe\",\n \"PowerShell.EXE\",\n \"Cmd.Exe\",\n \"MSHTA.EXE\",\n \"RUNDLL32.EXE\",\n \"REGSVR32.EXE\",\n \"MSBuild.exe\",\n \"InstallUtil.exe\",\n \"RegAsm.exe\",\n \"RegSvcs.exe\",\n \"msxsl.exe\",\n \"CONTROL.EXE\",\n \"EXPLORER.EXE\",\n \"Microsoft.Workflow.Compiler.exe\",\n \"msiexec.exe\"\n ) and\n /* add suspicious paths here */\n process.args : (\n \"C:\\\\Users\\\\*\",\n \"C:\\\\ProgramData\\\\*\", \n \"C:\\\\Windows\\\\Temp\\\\*\", \n \"C:\\\\Windows\\\\Tasks\\\\*\", \n \"C:\\\\PerfLogs\\\\*\", \n \"C:\\\\Intel\\\\*\", \n \"C:\\\\Windows\\\\Debug\\\\*\", \n \"C:\\\\HP\\\\*\")\n", - "risk_score": 43, + "risk_score": 47, "rule_id": "5d1d6907-0747-4d5d-9b24-e4a18853dc0a", "severity": "medium", "tags": [ @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_service_created_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_service_created_registry.json index 487327f6344ba..a9cba3e9be599 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_service_created_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_suspicious_service_created_registry.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies the creation of a suspicious ImagePath value. This could be an indication of an adversary attempting to stealthily persist or escalate privileges through abnormal service creation.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_system_shells_via_services.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_system_shells_via_services.json index 33198e716af0d..80a0e067aa26f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_system_shells_via_services.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_system_shells_via_services.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_time_provider_mod.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_time_provider_mod.json new file mode 100644 index 0000000000000..72310046bf35c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_time_provider_mod.json @@ -0,0 +1,56 @@ +{ + "author": [ + "Elastic" + ], + "description": "Windows operating systems are utilizing the time provider architecture in order to obtain accurate time stamps from other network devices or clients in the network. Time providers are implemented in the form of a DLL file which resides in System32 folder. The service W32Time initiates during the startup of Windows and loads w32time.dll. Adversaries may abuse this architecture to establish persistence, specifically by registering and enabling a malicious DLL as a time provider.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential Persistence via Time Provider Modification", + "query": "registry where event.type:\"change\" and\n registry.path:\"HKLM\\\\SYSTEM\\\\*ControlSet*\\\\Services\\\\W32Time\\\\TimeProviders\\\\*\" and\n registry.data.strings:\"*.dll\"\n", + "references": [ + "https://pentestlab.blog/2019/10/22/persistence-time-providers/" + ], + "risk_score": 47, + "rule_id": "14ed1aa9-ebfd-4cf9-a463-0ac59ec55204", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.003", + "name": "Time Providers", + "reference": "https://attack.mitre.org/techniques/T1547/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_added_to_privileged_group_ad.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_added_to_privileged_group_ad.json new file mode 100644 index 0000000000000..7891df2ca5588 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_added_to_privileged_group_ad.json @@ -0,0 +1,57 @@ +{ + "author": [ + "Elastic", + "Skoetting" + ], + "description": "Identifies a user being added to a privileged group in Active Directory. Privileged accounts and groups in Active Directory are those to which powerful rights, privileges, and permissions are granted that allow them to perform nearly any action in Active Directory and on domain-joined systems.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "User Added to Privileged Group in Active Directory", + "query": "event.category:iam and event.action:\"added-member-to-group\" and group.name:(Administrators or \"Local Administrators\" or \"Domain Admins\" or \"Enterprise Admins\" or \"Backup Admins\" or \"Schema Admins\" or \"DnsAdmins\")", + "references": [ + "https://docs.microsoft.com/en-us/windows-server/identity/ad-ds/plan/security-best-practices/appendix-b--privileged-accounts-and-groups-in-active-directory" + ], + "risk_score": 21, + "rule_id": "5cd8e1f7-0050-4afc-b2df-904e40b2f5ae", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1136", + "name": "Create Account", + "reference": "https://attack.mitre.org/techniques/T1136/", + "subtechnique": [ + { + "id": "T1136.001", + "name": "Local Account", + "reference": "https://attack.mitre.org/techniques/T1136/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_creation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_creation.json index cbc8ea15bb800..cb9c70a842b2d 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_creation.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_user_account_creation.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -41,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_application_shimming.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_application_shimming.json index a9ca3e2c8da48..f910ae13d92cd 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_application_shimming.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_application_shimming.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "The Application Shim was created to allow for backward compatibility of software as the operating system codebase changes over time. This Windows functionality has been abused by attackers to stealthily gain persistence and arbitrary code execution in legitimate Windows processes.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -69,5 +71,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_atom_init_file_modification.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_atom_init_file_modification.json new file mode 100644 index 0000000000000..c2ae7b2ff335d --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_atom_init_file_modification.json @@ -0,0 +1,32 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies modifications to the Atom desktop text editor Init File. Adversaries may add malicious JavaScript code to the init.coffee file that will be executed upon the Atom application opening.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Persistence via Atom Init Script Modification", + "query": "event.category:\"file\" and not event.type:\"deletion\" and file.path:/Users/*/.atom/init.coffee and not process.name:(Atom or xpcproxy) and not user.name:root", + "references": [ + "https://github.com/D00MFist/PersistentJXA/blob/master/AtomPersist.js", + "https://flight-manual.atom.io/hacking-atom/sections/the-init-file/" + ], + "risk_score": 21, + "rule_id": "b4449455-f986-4b5a-82ed-e36b129331f7", + "severity": "low", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Persistence" + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_hidden_run_key_valuename.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_hidden_run_key_valuename.json index 23b316fad1db5..3fe0137ec8efb 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_hidden_run_key_valuename.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_hidden_run_key_valuename.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -52,5 +53,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_lsa_security_support_provider_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_lsa_security_support_provider_registry.json index ea861b2634d83..983c33ca288ac 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_lsa_security_support_provider_registry.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_lsa_security_support_provider_registry.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies registry modifications related to the Windows Security Support Provider (SSP) configuration. Adversaries may abuse this to establish persistence in an environment.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -47,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_telemetrycontroller_scheduledtask_hijack.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_telemetrycontroller_scheduledtask_hijack.json index 71114206fb47d..4543def3253ad 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_telemetrycontroller_scheduledtask_hijack.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_telemetrycontroller_scheduledtask_hijack.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -44,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_update_orchestrator_service_hijack.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_update_orchestrator_service_hijack.json index 1ed0077a66529..bcfd0e6b94ac6 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_update_orchestrator_service_hijack.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_update_orchestrator_service_hijack.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], - "language": "kuery", + "language": "eql", "license": "Elastic License", "name": "Persistence via Update Orchestrator Service Hijack", - "query": "event.category:process and event.type:(start or process_started) and process.parent.name:svchost.exe and process.parent.args:(UsoSvc or usosvc) and not process.name:(UsoClient.exe or usoclient.exe or MusNotification.exe or musnotification.exe or MusNotificationUx.exe or musnotificationux.exe)", + "query": "process where event.type == \"start\" and\n process.parent.executable : \"C:\\\\Windows\\\\System32\\\\svchost.exe\" and\n process.parent.args : \"UsoSvc\" and\n not process.executable :\n (\n \"C:\\\\Windows\\\\System32\\\\UsoClient.exe\",\n \"C:\\\\Windows\\\\System32\\\\MusNotification.exe\",\n \"C:\\\\Windows\\\\System32\\\\MusNotificationUx.exe\",\n \"C:\\\\Windows\\\\System32\\\\MusNotifyIcon.exe\",\n \"C:\\\\Windows\\\\System32\\\\WerFault.exe\",\n \"C:\\\\Windows\\\\System32\\\\WerMgr.exe\"\n )\n", "references": [ "https://github.com/irsl/CVE-2020-1313" ], @@ -50,6 +51,6 @@ } ], "timestamp_override": "event.ingested", - "type": "query", - "version": 3 + "type": "eql", + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_windows_management_instrumentation_event_subscription.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_windows_management_instrumentation_event_subscription.json index 17453925b3b3b..d7bc2c41f9504 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_windows_management_instrumentation_event_subscription.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/persistence_via_windows_management_instrumentation_event_subscription.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "An adversary can use Windows Management Instrumentation (WMI) to install event filters, providers, consumers, and bindings that execute code when a defined event occurs. Adversaries may use the capabilities of WMI to subscribe to an event and execute arbitrary code when that event occurs, providing persistence on a system.", + "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -40,5 +42,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_applescript_with_admin_privs.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_applescript_with_admin_privs.json new file mode 100644 index 0000000000000..36faa1a5ed87c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_applescript_with_admin_privs.json @@ -0,0 +1,64 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies execution of the Apple script interpreter (osascript) without a password prompt and with administrator privileges.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Apple Scripting Execution with Administrator Privileges", + "query": "process where event.type in (\"start\", \"process_started\") and process.name : \"osascript\" and\n process.command_line : \"osascript*with administrator privileges\"\n", + "references": [ + "https://discussions.apple.com/thread/2266150" + ], + "risk_score": 47, + "rule_id": "827f8d8f-4117-4ae4-b551-f56d54b9da6b", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Execution", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/" + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0002", + "name": "Execution", + "reference": "https://attack.mitre.org/tactics/TA0002/" + }, + "technique": [ + { + "id": "T1059", + "name": "Command and Scripting Interpreter", + "reference": "https://attack.mitre.org/techniques/T1059/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_disable_uac_registry.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_disable_uac_registry.json new file mode 100644 index 0000000000000..b600fe5dc9950 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_disable_uac_registry.json @@ -0,0 +1,80 @@ +{ + "author": [ + "Elastic" + ], + "description": "User Account Control (UAC) can help mitigate the impact of malware on Windows hosts. With UAC, apps and tasks always run in the security context of a non-administrator account, unless an administrator specifically authorizes administrator-level access to the system. This rule identifies registry value changes to bypass User Access Control (UAC) protection.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Disabling User Account Control via Registry Modification", + "query": "registry where event.type == \"change\" and\n registry.path :\n (\n \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows\\\\CurrentVersion\\\\Policies\\\\System\\\\EnableLUA\",\n \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows\\\\CurrentVersion\\\\Policies\\\\System\\\\ConsentPromptBehaviorAdmin\",\n \"HKLM\\\\SOFTWARE\\\\Microsoft\\\\Windows\\\\CurrentVersion\\\\Policies\\\\System\\\\PromptOnSecureDesktop\"\n ) and\n registry.data.strings : \"0\"\n", + "references": [ + "https://www.greyhathacker.net/?p=796", + "https://docs.microsoft.com/en-us/windows/security/identity-protection/user-account-control/user-account-control-group-policy-and-registry-key-settings", + "https://docs.microsoft.com/en-us/windows/security/identity-protection/user-account-control/user-account-control-overview" + ], + "risk_score": 47, + "rule_id": "d31f183a-e5b1-451b-8534-ba62bca0b404", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1548", + "name": "Abuse Elevation Control Mechanism", + "reference": "https://attack.mitre.org/techniques/T1548/", + "subtechnique": [ + { + "id": "T1548.002", + "name": "Bypass User Access Control", + "reference": "https://attack.mitre.org/techniques/T1548/002/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0005", + "name": "Defense Evasion", + "reference": "https://attack.mitre.org/tactics/TA0005/" + }, + "technique": [ + { + "id": "T1548", + "name": "Abuse Elevation Control Mechanism", + "reference": "https://attack.mitre.org/techniques/T1548/", + "subtechnique": [ + { + "id": "T1548.002", + "name": "Bypass User Access Control", + "reference": "https://attack.mitre.org/techniques/T1548/002/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_echo_nopasswd_sudoers.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_echo_nopasswd_sudoers.json new file mode 100644 index 0000000000000..b5cd27e6ff02b --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_echo_nopasswd_sudoers.json @@ -0,0 +1,53 @@ +{ + "author": [ + "Elastic" + ], + "description": "A sudoers file specifies the commands users or groups can run and from which terminals. Adversaries can take advantage of these configurations to execute commands as other users or spawn processes with higher privileges.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Privilege Escalation via Sudoers File Modification", + "query": "event.category:process and event.type:start and process.args:(echo and *NOPASSWD*ALL*)", + "risk_score": 73, + "rule_id": "76152ca1-71d0-4003-9e37-0983e12832da", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1548", + "name": "Abuse Elevation Control Mechanism", + "reference": "https://attack.mitre.org/techniques/T1548/", + "subtechnique": [ + { + "id": "T1548.003", + "name": "Sudo and Sudo Caching", + "reference": "https://attack.mitre.org/techniques/T1548/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_explicit_creds_via_apple_scripting.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_explicit_creds_via_scripting.json similarity index 65% rename from x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_explicit_creds_via_apple_scripting.json rename to x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_explicit_creds_via_scripting.json index 1b741cd1a8c97..ff735cbb40e42 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_explicit_creds_via_apple_scripting.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_explicit_creds_via_scripting.json @@ -2,16 +2,16 @@ "author": [ "Elastic" ], - "description": "Identifies execution of the security_authtrampoline process via the Apple script interpreter (osascript). This occurs when programs use AuthorizationExecute-WithPrivileges from the Security.framework to run another program with root privileges. It should not be run by itself, as this is a sign of execution with explicit logon credentials.", + "description": "Identifies execution of the security_authtrampoline process via a scripting interpreter. This occurs when programs use AuthorizationExecute-WithPrivileges from the Security.framework to run another program with root privileges. It should not be run by itself, as this is a sign of execution with explicit logon credentials.", "from": "now-9m", "index": [ "auditbeat-*", "logs-endpoint.events.*" ], - "language": "eql", + "language": "kuery", "license": "Elastic License", - "name": "Execution with Explicit Credentials via Apple Scripting", - "query": "sequence by host.id with maxspan=5s\n [process where event.type in (\"start\", \"process_started\", \"info\") and process.name == \"osascript\"] by process.pid\n [process where event.type in (\"start\", \"process_started\") and process.name == \"security_authtrampoline\"] by process.ppid\n", + "name": "Execution with Explicit Credentials via Scripting", + "query": "event.category:process and event.type:(start or process_started) and process.name:\"security_authtrampoline\" and process.parent.name:(osascript or com.apple.automator.runner or sh or bash or dash or zsh or python* or perl* or php* or ruby or pwsh)", "references": [ "https://objectivebythesea.com/v2/talks/OBTS_v2_Thomas.pdf", "https://www.manpagez.com/man/8/security_authtrampoline/" @@ -59,6 +59,7 @@ ] } ], - "type": "eql", - "version": 1 + "timestamp_override": "event.ingested", + "type": "query", + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_exploit_adobe_acrobat_updater.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_exploit_adobe_acrobat_updater.json new file mode 100644 index 0000000000000..f80e877bcb43c --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_exploit_adobe_acrobat_updater.json @@ -0,0 +1,51 @@ +{ + "author": [ + "Elastic" + ], + "description": "Detects attempts to exploit privilege escalation vulnerabilities related to the Adobe Acrobat Reader PrivilegedHelperTool responsible for installing updates. For more information, refer to CVE-2020-9615, CVE-2020-9614 and CVE-2020-9613 and verify that the impacted system is patched.", + "false_positives": [ + "Trusted system or Adobe Acrobat Related processes." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Suspicious Child Process of Adobe Acrobat Reader Update Service", + "query": "event.category:process and event.type:(start or process_started) and process.parent.name:com.adobe.ARMDC.SMJobBlessHelper and user.name:root and not process.executable: (/Library/PrivilegedHelperTools/com.adobe.ARMDC.SMJobBlessHelper or /usr/bin/codesign or /private/var/folders/zz/*/T/download/ARMDCHammer or /usr/sbin/pkgutil or /usr/bin/shasum or /usr/bin/perl* or /usr/sbin/spctl or /usr/sbin/installer)", + "references": [ + "https://rekken.github.io/2020/05/14/Security-Flaws-in-Adobe-Acrobat-Reader-Allow-Malicious-Program-to-Gain-Root-on-macOS-Silently/" + ], + "risk_score": 73, + "rule_id": "f85ce03f-d8a8-4c83-acdc-5c8cd0592be7", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1068", + "name": "Exploitation for Privilege Escalation", + "reference": "https://attack.mitre.org/techniques/T1068/" + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_ld_preload_shared_object_modif.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_ld_preload_shared_object_modif.json new file mode 100644 index 0000000000000..813265d95cb74 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_ld_preload_shared_object_modif.json @@ -0,0 +1,56 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies modification of the dynamic linker preload shared object (ld.so.preload). Adversaries may execute malicious payloads by hijacking the dynamic linker used to load libraries.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Modification of Dynamic Linker Preload Shared Object", + "query": "event.category:file and not event.type:deletion and file.path:/etc/ld.so.preload", + "references": [ + "https://www.anomali.com/blog/rocke-evolves-its-arsenal-with-a-new-malware-family-written-in-golang" + ], + "risk_score": 47, + "rule_id": "717f82c2-7741-4f9b-85b8-d06aeb853f4f", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Linux", + "Threat Detection", + "Privilege Escalation", + "Persistence" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1574", + "name": "Hijack Execution Flow", + "reference": "https://attack.mitre.org/techniques/T1574/", + "subtechnique": [ + { + "id": "T1574.006", + "name": "LD_PRELOAD", + "reference": "https://attack.mitre.org/techniques/T1574/006/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_local_user_added_to_admin.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_local_user_added_to_admin.json new file mode 100644 index 0000000000000..f303dbc81e6b2 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_local_user_added_to_admin.json @@ -0,0 +1,55 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies attempts to add an account to the admin group via the command line. This could be an indication of privilege escalation activity.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Potential Admin Group Account Addition", + "query": "event.category:process and event.type:(start or process_started) and process.name:(dscl or dseditgroup) and process.args:((\"/Groups/admin\" or admin) and (\"-a\" or \"-append\"))", + "references": [ + "https://managingosx.wordpress.com/2010/01/14/add-a-user-to-the-admin-group-via-command-line-3-0/" + ], + "risk_score": 47, + "rule_id": "565c2b44-7a21-4818-955f-8d4737967d2e", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1078", + "name": "Valid Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/", + "subtechnique": [ + { + "id": "T1078.003", + "name": "Local Accounts", + "reference": "https://attack.mitre.org/techniques/T1078/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_lsa_auth_package.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_lsa_auth_package.json new file mode 100644 index 0000000000000..10a5e3ba744c9 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_lsa_auth_package.json @@ -0,0 +1,75 @@ +{ + "author": [ + "Elastic" + ], + "description": "Adversaries can use the autostart mechanism provided by the Local Security Authority (LSA) authentication packages for privilege escalation or persistence by placing a reference to a binary in the Windows registry. The binary will then be executed by SYSTEM when the authentication packages are loaded.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential LSA Authentication Package Abuse", + "query": "registry where event.type == \"change\" and\n registry.path : \"HKLM\\\\SYSTEM\\\\*ControlSet*\\\\Control\\\\Lsa\\\\Authentication Packages\" and\n /* exclude SYSTEM SID - look for changes by non-SYSTEM user */\n not user.id : \"S-1-5-18\"\n", + "risk_score": 47, + "rule_id": "e9abe69b-1deb-4e19-ac4a-5d5ac00f72eb", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.002", + "name": "Authentication Package", + "reference": "https://attack.mitre.org/techniques/T1547/002/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.002", + "name": "Authentication Package", + "reference": "https://attack.mitre.org/techniques/T1547/002/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_named_pipe_impersonation.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_named_pipe_impersonation.json index d78c5ba7a3814..16a8cdf64ad0c 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_named_pipe_impersonation.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_named_pipe_impersonation.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies a privilege escalation attempt via named pipe impersonation. An adversary may abuse this technique by utilizing a framework such Metasploit's meterpreter getsystem command.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -43,5 +45,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_persistence_phantom_dll.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_persistence_phantom_dll.json new file mode 100644 index 0000000000000..81248b7e0be1e --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_persistence_phantom_dll.json @@ -0,0 +1,84 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the loading of a non Microsoft signed DLL that is missing on a default Windows install (phantom DLL) or one that can be loaded from a different location by a native Windows process. This may be abused to persist or elevate privileges via privileged file write vulnerabilities.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Suspicious DLL Loaded for Persistence or Privilege Escalation", + "query": "library where dll.name :\n (\n \"wlbsctrl.dll\",\n \"wbemcomn.dll\",\n \"WptsExtensions.dll\",\n \"Tsmsisrv.dll\",\n \"TSVIPSrv.dll\",\n \"Msfte.dll\",\n \"wow64log.dll\",\n \"WindowsCoreDeviceInfo.dll\",\n \"Ualapi.dll\",\n \"wlanhlp.dll\",\n \"phoneinfo.dll\",\n \"EdgeGdi.dll\",\n \"cdpsgshims.dll\",\n \"windowsperformancerecordercontrol.dll\",\n \"diagtrack_win.dll\"\n ) and \nnot (dll.code_signature.subject_name : \"Microsoft Windows\" and dll.code_signature.status : \"trusted\")\n", + "references": [ + "https://itm4n.github.io/windows-dll-hijacking-clarified/", + "http://remoteawesomethoughts.blogspot.com/2019/05/windows-10-task-schedulerservice.html", + "https://googleprojectzero.blogspot.com/2018/04/windows-exploitation-tricks-exploiting.html", + "https://shellz.club/edgegdi-dll-for-persistence-and-lateral-movement/", + "https://windows-internals.com/faxing-your-way-to-system/", + "http://waleedassar.blogspot.com/2013/01/wow64logdll.html" + ], + "risk_score": 73, + "rule_id": "bfeaf89b-a2a7-48a3-817f-e41829dc61ee", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Persistence", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1574", + "name": "Hijack Execution Flow", + "reference": "https://attack.mitre.org/techniques/T1574/", + "subtechnique": [ + { + "id": "T1574.002", + "name": "DLL Side-Loading", + "reference": "https://attack.mitre.org/techniques/T1574/002/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1574", + "name": "Hijack Execution Flow", + "reference": "https://attack.mitre.org/techniques/T1574/", + "subtechnique": [ + { + "id": "T1574.001", + "name": "DLL Search Order Hijacking", + "reference": "https://attack.mitre.org/techniques/T1574/001/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_port_monitor_print_pocessor_abuse.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_port_monitor_print_pocessor_abuse.json new file mode 100644 index 0000000000000..6d72fa84b5f24 --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_port_monitor_print_pocessor_abuse.json @@ -0,0 +1,78 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies port monitor and print processor registry modifications. Adversaries may abuse port monitor and print processors to run malicious DLLs during system boot that will be executed as SYSTEM for privilege escalation and/or persistence, if permissions allow writing a fully-qualified pathname for that DLL.", + "from": "now-9m", + "index": [ + "winlogbeat-*", + "logs-endpoint.events.*", + "logs-windows.*" + ], + "language": "eql", + "license": "Elastic License", + "name": "Potential Port Monitor or Print Processor Registration Abuse", + "query": "registry where event.type in (\"creation\", \"change\") and\n registry.path : (\"HKLM\\\\SYSTEM\\\\*ControlSet*\\\\Control\\\\Print\\\\Monitors\\\\*\",\n \"HLLM\\\\SYSTEM\\\\*ControlSet*\\\\Control\\\\Print\\\\Environments\\\\Windows*\\\\Print Processors\\\\*\") and\n registry.data.strings : \"*.dll\" and\n /* exclude SYSTEM SID - look for changes by non-SYSTEM user */\n not user.id : \"S-1-5-18\"\n", + "references": [ + "https://www.welivesecurity.com/2020/05/21/no-game-over-winnti-group/" + ], + "risk_score": 47, + "rule_id": "8f3e91c7-d791-4704-80a1-42c160d7aa27", + "severity": "medium", + "tags": [ + "Elastic", + "Host", + "Windows", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.010", + "name": "Port Monitors", + "reference": "https://attack.mitre.org/techniques/T1547/010/" + } + ] + } + ] + }, + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0003", + "name": "Persistence", + "reference": "https://attack.mitre.org/tactics/TA0003/" + }, + "technique": [ + { + "id": "T1547", + "name": "Boot or Logon Autostart Execution", + "reference": "https://attack.mitre.org/techniques/T1547/", + "subtechnique": [ + { + "id": "T1547.010", + "name": "Port Monitors", + "reference": "https://attack.mitre.org/techniques/T1547/010/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "eql", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_registry_copyfiles.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_registry_copyfiles.json index 76b17b0d89229..7346e5f1e06db 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_registry_copyfiles.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_registry_copyfiles.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -17,7 +18,7 @@ "https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Privilege%20Escalation/privesc_sysmon_cve_20201030_spooler.evtx", "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-1030" ], - "risk_score": 74, + "risk_score": 73, "rule_id": "bd7eefee-f671-494e-98df-f01daf9e5f17", "severity": "high", "tags": [ @@ -45,5 +46,5 @@ } ], "type": "eql", - "version": 1 + "version": 2 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_service_suspicious_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_service_suspicious_file.json index 5a14984464bcb..fae71bc2f98bb 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_service_suspicious_file.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_service_suspicious_file.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -16,7 +17,7 @@ "https://voidsec.com/cve-2020-1337-printdemon-is-dead-long-live-printdemon/", "https://www.thezdi.com/blog/2020/7/8/cve-2020-1300-remote-code-execution-through-microsoft-windows-cab-files" ], - "risk_score": 74, + "risk_score": 73, "rule_id": "5bb4a95d-5a08-48eb-80db-4c3a63ec78a8", "severity": "high", "tags": [ @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_suspicious_spl_file.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_suspicious_spl_file.json index 3fcaea3c039e4..c6b7bb9838045 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_suspicious_spl_file.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_printspooler_suspicious_spl_file.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -16,7 +17,7 @@ "references": [ "https://safebreach.com/Post/How-we-bypassed-CVE-2020-1048-Patch-and-got-CVE-2020-1337" ], - "risk_score": 74, + "risk_score": 73, "rule_id": "a7ccae7b-9d2c-44b2-a061-98e5946971fa", "severity": "high", "tags": [ @@ -45,5 +46,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_rogue_windir_environment_var.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_rogue_windir_environment_var.json index 3885aa3d847ca..a160466cdc4d6 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_rogue_windir_environment_var.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_rogue_windir_environment_var.json @@ -3,9 +3,11 @@ "Elastic" ], "description": "Identifies a privilege escalation attempt via a rogue Windows directory (Windir) environment variable. This is a known primitive that is often combined with other vulnerabilities to elevate privileges.", + "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -14,7 +16,7 @@ "references": [ "https://www.tiraniddo.dev/2017/05/exploiting-environment-variables-in.html" ], - "risk_score": 71, + "risk_score": 73, "rule_id": "d563aaba-2e72-462b-8658-3e5ea22db3a6", "severity": "high", "tags": [ @@ -50,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_root_crontab_filemod.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_root_crontab_filemod.json new file mode 100644 index 0000000000000..4ca3c62012ade --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_root_crontab_filemod.json @@ -0,0 +1,56 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies modifications to the root crontab file. Adversaries may overwrite this file to gain code execution with root privileges by exploiting privileged file write or move related vulnerabilities.", + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Privilege Escalation via Root Crontab File Modification", + "query": "event.category:file and not event.type:deletion and file.path:/private/var/at/tabs/root and not process.executable:/usr/bin/crontab", + "references": [ + "https://phoenhex.re/2017-06-09/pwn2own-diskarbitrationd-privesc", + "https://www.exploit-db.com/exploits/42146" + ], + "risk_score": 73, + "rule_id": "0ff84c42-873d-41a2-a4ed-08d74d352d01", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "macOS", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1053", + "name": "Scheduled Task/Job", + "reference": "https://attack.mitre.org/techniques/T1053/", + "subtechnique": [ + { + "id": "T1053.003", + "name": "Cron", + "reference": "https://attack.mitre.org/techniques/T1053/003/" + } + ] + } + ] + } + ], + "timestamp_override": "event.ingested", + "type": "query", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setgid_bit_set_via_chmod.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setgid_bit_set_via_chmod.json deleted file mode 100644 index 0bed796078192..0000000000000 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setgid_bit_set_via_chmod.json +++ /dev/null @@ -1,62 +0,0 @@ -{ - "author": [ - "Elastic" - ], - "description": "An adversary may add the setgid bit to a file or directory in order to run a file with the privileges of the owning group. An adversary can take advantage of this to either do a shell escape or exploit a vulnerability in an application with the setgid bit to get code running in a different user\u2019s context. Additionally, adversaries can use this mechanism on their own malware to make sure they're able to execute in elevated contexts in the future.", - "from": "now-9m", - "index": [ - "auditbeat-*", - "logs-endpoint.events.*" - ], - "language": "lucene", - "license": "Elastic License", - "max_signals": 33, - "name": "Setgid Bit Set via chmod", - "query": "event.category:process AND event.type:(start or process_started) AND process.name:chmod AND process.args:(g+s OR /2[0-9]{3}/) AND NOT user.name:root", - "risk_score": 21, - "rule_id": "3a86e085-094c-412d-97ff-2439731e59cb", - "severity": "low", - "tags": [ - "Elastic", - "Host", - "Linux", - "Threat Detection", - "Privilege Escalation" - ], - "threat": [ - { - "framework": "MITRE ATT&CK", - "tactic": { - "id": "TA0004", - "name": "Privilege Escalation", - "reference": "https://attack.mitre.org/tactics/TA0004/" - }, - "technique": [ - { - "id": "T1548", - "name": "Abuse Elevation Control Mechanism", - "reference": "https://attack.mitre.org/techniques/T1548/", - "subtechnique": [ - { - "id": "T1548.001", - "name": "Setuid and Setgid", - "reference": "https://attack.mitre.org/techniques/T1548/001/" - } - ] - } - ] - }, - { - "framework": "MITRE ATT&CK", - "tactic": { - "id": "TA0003", - "name": "Persistence", - "reference": "https://attack.mitre.org/tactics/TA0003/" - }, - "technique": [] - } - ], - "timestamp_override": "event.ingested", - "type": "query", - "version": 6 -} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setuid_bit_set_via_chmod.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setuid_setgid_bit_set_via_chmod.json similarity index 63% rename from x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setuid_bit_set_via_chmod.json rename to x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setuid_setgid_bit_set_via_chmod.json index a55f02a0af61a..0501604f5c840 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setuid_bit_set_via_chmod.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_setuid_setgid_bit_set_via_chmod.json @@ -2,7 +2,7 @@ "author": [ "Elastic" ], - "description": "An adversary may add the setuid bit to a file or directory in order to run a file with the privileges of the owning user. An adversary can take advantage of this to either do a shell escape or exploit a vulnerability in an application with the setuid bit to get code running in a different user\u2019s context. Additionally, adversaries can use this mechanism on their own malware to make sure they're able to execute in elevated contexts in the future.", + "description": "An adversary may add the setuid or setgid bit to a file or directory in order to run a file with the privileges of the owning user or group. An adversary can take advantage of this to either do a shell escape or exploit a vulnerability in an application with the setuid or setgid bit to get code running in a different user\u2019s context. Additionally, adversaries can use this mechanism on their own malware to make sure they're able to execute in elevated contexts in the future.", "from": "now-9m", "index": [ "auditbeat-*", @@ -11,8 +11,8 @@ "language": "lucene", "license": "Elastic License", "max_signals": 33, - "name": "Setuid Bit Set via chmod", - "query": "event.category:process AND event.type:(start or process_started) AND process.name:chmod AND process.args:(u+s OR /4[0-9]{3}/) AND NOT user.name:root", + "name": "Setuid / Setgid Bit Set via chmod", + "query": "event.category:process AND event.type:(start OR process_started) AND process.name:chmod AND process.args:(\"+s\" OR \"u+s\" OR /4[0-9]{3}/ OR g+s OR /2[0-9]{3}/)", "risk_score": 21, "rule_id": "8a1b0278-0f9a-487d-96bd-d4833298e87a", "severity": "low", @@ -20,6 +20,7 @@ "Elastic", "Host", "Linux", + "macOS", "Threat Detection", "Privilege Escalation" ], @@ -58,5 +59,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudo_buffer_overflow.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudo_buffer_overflow.json new file mode 100644 index 0000000000000..f014318c04eab --- /dev/null +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudo_buffer_overflow.json @@ -0,0 +1,58 @@ +{ + "author": [ + "Elastic" + ], + "description": "Identifies the attempted use of a heap-based buffer overflow vulnerability for the Sudo binary in Unix-like systems (CVE-2021-3156). Successful exploitation allows an unprivileged user to escalate to the root user.", + "false_positives": [ + "This rule could generate false positives if the process arguments leveraged by the exploit are shared by custom scripts using the Sudo or Sudoedit binaries. Only Sudo versions 1.8.2 through 1.8.31p2 and 1.9.0 through 1.9.5p1 are affected; if those versions are not present on the endpoint, this could be a false positive." + ], + "from": "now-9m", + "index": [ + "auditbeat-*", + "logs-endpoint.events.*" + ], + "language": "kuery", + "license": "Elastic License", + "name": "Sudo Heap-Based Buffer Overflow Attempt", + "query": "event.category:process and event.type:start and process.name:(sudo or sudoedit) and process.args:(*\\\\ and (\"-i\" or \"-s\"))", + "references": [ + "https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3156", + "https://blog.qualys.com/vulnerabilities-research/2021/01/26/cve-2021-3156-heap-based-buffer-overflow-in-sudo-baron-samedit", + "https://www.bleepingcomputer.com/news/security/latest-macos-big-sur-also-has-sudo-root-privilege-escalation-flaw", + "https://www.sudo.ws/alerts/unescape_overflow.html" + ], + "risk_score": 73, + "rule_id": "f37f3054-d40b-49ac-aa9b-a786c74c58b8", + "severity": "high", + "tags": [ + "Elastic", + "Host", + "Linux", + "macOS", + "Threat Detection", + "Privilege Escalation" + ], + "threat": [ + { + "framework": "MITRE ATT&CK", + "tactic": { + "id": "TA0004", + "name": "Privilege Escalation", + "reference": "https://attack.mitre.org/tactics/TA0004/" + }, + "technique": [ + { + "id": "T1068", + "name": "Exploitation for Privilege Escalation", + "reference": "https://attack.mitre.org/techniques/T1068/" + } + ] + } + ], + "threshold": { + "field": "host.hostname", + "value": 100 + }, + "type": "threshold", + "version": 1 +} diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudoers_file_mod.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudoers_file_mod.json index a49d2d89527ac..2ac74bff3a69f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudoers_file_mod.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_sudoers_file_mod.json @@ -11,14 +11,15 @@ "language": "kuery", "license": "Elastic License", "name": "Sudoers File Modification", - "query": "event.category:file and event.type:change and file.path:/etc/sudoers", - "risk_score": 21, + "query": "event.category:file and event.type:change and file.path:(/etc/sudoers* or /private/etc/sudoers*)", + "risk_score": 47, "rule_id": "931e25a5-0f5e-4ae0-ba0d-9e94eff7e3a4", - "severity": "low", + "severity": "medium", "tags": [ "Elastic", "Host", "Linux", + "macOS", "Threat Detection", "Privilege Escalation" ], @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_clipup.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_clipup.json index 6bef3776153db..e028665bbdc90 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_clipup.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_clipup.json @@ -6,16 +6,17 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "UAC Bypass Attempt with IEditionUpgradeManager Elevated COM Interface", - "query": "process where event.type in (\"start\", \"process_started\", \"info\") and process.name == \"Clipup.exe\" and \nprocess.executable != \"C:\\\\Windows\\\\System32\\\\ClipUp.exe\" and process.parent.name == \"dllhost.exe\" and\n /* CLSID of the Elevated COM Interface IEditionUpgradeManager */\n wildcard(process.parent.args,\"/Processid:{BD54C901-076B-434E-B6C7-17C531F4AB41}\")\n", + "query": "process where event.type in (\"start\", \"process_started\") and process.name : \"Clipup.exe\" and\n not process.executable : \"C:\\\\Windows\\\\System32\\\\ClipUp.exe\" and process.parent.name : \"dllhost.exe\" and\n /* CLSID of the Elevated COM Interface IEditionUpgradeManager */\n process.parent.args : \"/Processid:{BD54C901-076B-434E-B6C7-17C531F4AB41}\"\n", "references": [ "https://github.com/hfiref0x/UACME" ], - "risk_score": 71, + "risk_score": 73, "rule_id": "b90cdde7-7e0d-4359-8bf0-2c112ce2008a", "severity": "high", "tags": [ @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_ieinstal.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_ieinstal.json index bcf916733d66b..218322f4fdfa0 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_ieinstal.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_ieinstal.json @@ -6,12 +6,13 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", "name": "UAC Bypass Attempt via Elevated COM Internet Explorer Add-On Installer", - "query": "process where event.type in (\"start\", \"process_started\", \"info\") and\n wildcard(process.executable, \"C:\\\\*\\\\AppData\\\\*\\\\Temp\\\\IDC*.tmp\\\\*.exe\") and\n process.parent.name == \"ieinstal.exe\" and process.parent.args == \"-Embedding\"\n\n /* uncomment once in winlogbeat */\n /* and not (process.code_signature.subject_name == \"Microsoft Corporation\" and process.code_signature.trusted == true) */\n", + "query": "process where event.type in (\"start\", \"process_started\") and\n process.executable : \"C:\\\\*\\\\AppData\\\\*\\\\Temp\\\\IDC*.tmp\\\\*.exe\" and\n process.parent.name : \"ieinstal.exe\" and process.parent.args : \"-Embedding\"\n\n /* uncomment once in winlogbeat */\n /* and not (process.code_signature.subject_name == \"Microsoft Corporation\" and process.code_signature.trusted == true) */\n", "references": [ "https://swapcontext.blogspot.com/2020/11/uac-bypasses-from-comautoapprovallist.html" ], @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_interface_icmluautil.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_interface_icmluautil.json index 81a796baa8824..e9ba470cb2f35 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_interface_icmluautil.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_com_interface_icmluautil.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_diskcleanup_hijack.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_diskcleanup_hijack.json index a81ff4214f507..3dd864083b732 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_diskcleanup_hijack.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_diskcleanup_hijack.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 3 + "version": 4 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_dll_sideloading.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_dll_sideloading.json index 5b10fa84ea869..bffbaad5136b4 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_dll_sideloading.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_dll_sideloading.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_event_viewer.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_event_viewer.json index a73e6f4ccaa69..59f583e31dfd4 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_event_viewer.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_event_viewer.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "kuery", "license": "Elastic License", @@ -48,5 +49,5 @@ ], "timestamp_override": "event.ingested", "type": "query", - "version": 6 + "version": 7 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_mock_windir.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_mock_windir.json index 76de6ef20f319..3867fd918fae7 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_mock_windir.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_mock_windir.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -15,7 +16,7 @@ "references": [ "https://medium.com/tenable-techblog/uac-bypass-by-mocking-trusted-directories-24a96675f6e" ], - "risk_score": 71, + "risk_score": 73, "rule_id": "290aca65-e94d-403b-ba0f-62f320e63f51", "severity": "high", "tags": [ @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_winfw_mmc_hijack.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_winfw_mmc_hijack.json index 983886377cf37..040c921f198a3 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_winfw_mmc_hijack.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_uac_bypass_winfw_mmc_hijack.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -51,5 +52,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_parentchild_relationship.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_parentchild_relationship.json index 2cd74014708e9..0854fe45cdf9d 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_parentchild_relationship.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_parentchild_relationship.json @@ -6,7 +6,8 @@ "from": "now-9m", "index": [ "winlogbeat-*", - "logs-endpoint.events.*" + "logs-endpoint.events.*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -52,5 +53,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 7 + "version": 8 } diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_svchost_childproc_childless.json b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_svchost_childproc_childless.json index deaa05dc5f8d4..58e2f1ca3d81f 100644 --- a/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_svchost_childproc_childless.json +++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rules/prepackaged_rules/privilege_escalation_unusual_svchost_childproc_childless.json @@ -9,7 +9,8 @@ "from": "now-9m", "index": [ "logs-endpoint.events.*", - "winlogbeat-*" + "winlogbeat-*", + "logs-windows.*" ], "language": "eql", "license": "Elastic License", @@ -66,5 +67,5 @@ ], "timestamp_override": "event.ingested", "type": "eql", - "version": 2 + "version": 3 }