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Rule updates 2019 05.v3 #637

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merged 4 commits into from
Jun 5, 2019
Merged

Rule updates 2019 05.v3 #637

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b67bb7e
minor fix
Kaizhe May 30, 2019
217181b
rule update: reduce noise for oc
Kaizhe May 31, 2019
ace6940
revert back macro openshift_writing_conf
Kaizhe May 31, 2019
c38933c
minor fix
Kaizhe Jun 3, 2019
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9 changes: 5 additions & 4 deletions rules/falco_rules.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -815,7 +815,7 @@
condition: (veritas_progs and (fd.name startswith /etc/vx or fd.name startswith /etc/opt/VRTS or fd.name startswith /etc/vom))

- macro: nginx_writing_conf
condition: (proc.name in (nginx,nginx-ingress-c) and fd.name startswith /etc/nginx)
condition: (proc.name in (nginx,nginx-ingress-c,nginx-ingress) and fd.name startswith /etc/nginx)

- macro: nginx_writing_certs
condition: >
Expand Down Expand Up @@ -1041,7 +1041,7 @@

- macro: rancher_writing_conf
condition: (container.image.repository in (rancher_images)
and proc.name in (lib-controller,rancher-dns,healthcheck,rancher-metadat)
and proc.name in (lb-controller,rancher-dns,healthcheck,rancher-metadat)
and (fd.name startswith "/etc/haproxy" or
fd.name startswith "/etc/rancher-dns")
)
Expand Down Expand Up @@ -1464,7 +1464,7 @@
and not proc.name in (docker_binaries, k8s_binaries, lxd_binaries, sysdigcloud_binaries,
sysdig, nsenter, calico, oci-umount)
and not proc.name in (user_known_change_thread_namespace_binaries)
and not proc.name startswith "runc:"
and not proc.name startswith "runc"
and not proc.cmdline startswith "containerd"
and not proc.pname in (sysdigcloud_binaries)
and not python_running_sdchecks
Expand Down Expand Up @@ -2007,6 +2007,7 @@
and not somebody_becoming_themself
and not proc.name in (known_setuid_binaries, userexec_binaries, mail_binaries, docker_binaries,
nomachine_binaries)
and not proc.name startswith "runc:"
and not java_running_sdjagent
and not nrpe_becoming_nagios
and not user_known_non_sudo_setuid_conditions
Expand Down Expand Up @@ -2316,7 +2317,7 @@
tags: [network, process, mitre_lateral_movement, mitre_exfiltration]


- rule: create symlink over sensitive files
- rule: Create Symlink Over Sensitive Files
desc: Detect symlink created over sensitive files
condition: >
create_symlink and
Expand Down