diff --git a/x-pack/legacy/plugins/siem/server/lib/detection_engine/rules/prepackaged_rules/NOTICE.txt b/x-pack/legacy/plugins/siem/server/lib/detection_engine/rules/prepackaged_rules/NOTICE.txt
deleted file mode 100644
index cd5f1cc6f886c..0000000000000
--- a/x-pack/legacy/plugins/siem/server/lib/detection_engine/rules/prepackaged_rules/NOTICE.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-This product bundles rules based on https://github.com/BlueTeamLabs/sentinel-attack
-which is available under a "MIT" license. The files based on this license are:
-
-- windows_defense_evasion_via_filter_manager.json
-- windows_process_discovery_via_tasklist_command.json
-- windows_priv_escalation_via_accessibility_features.json
-- windows_persistence_via_application_shimming.json
-- windows_execution_via_trusted_developer_utilities.json
-- windows_execution_via_net_com_assemblies.json
-- windows_execution_via_connection_manager.json
-
-MIT License
-
-Copyright (c) 2019 Edoardo Gerosa, Olaf Hartong
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/x-pack/legacy/plugins/siem/server/lib/detection_engine/rules/prepackaged_rules/notice.ts b/x-pack/legacy/plugins/siem/server/lib/detection_engine/rules/prepackaged_rules/notice.ts
new file mode 100644
index 0000000000000..2d12e656566e2
--- /dev/null
+++ b/x-pack/legacy/plugins/siem/server/lib/detection_engine/rules/prepackaged_rules/notice.ts
@@ -0,0 +1,36 @@
+/* eslint-disable @kbn/eslint/require-license-header */
+
+/* @notice
+ * This product bundles rules based on https://github.com/BlueTeamLabs/sentinel-attack
+ * which is available under a "MIT" license. The files based on this license are:
+ *
+ * - windows_defense_evasion_via_filter_manager.json
+ * - windows_process_discovery_via_tasklist_command.json
+ *- windows_priv_escalation_via_accessibility_features.json
+ *- windows_persistence_via_application_shimming.json
+ *- windows_execution_via_trusted_developer_utilities.json
+ *- windows_execution_via_net_com_assemblies.json
+ *- windows_execution_via_connection_manager.json
+ *
+ * MIT License
+ *
+ * Copyright (c) 2019 Edoardo Gerosa, Olaf Hartong
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */