Add rule for detecting hiding shutdown actions (#935)

* Add initial rule for hiding shutdown actions Signed-off-by: Still Hsu <[email protected]> --------- Signed-off-by: Still Hsu <[email protected]> Co-authored-by: Moritz <[email protected]>
mandiant · Sep 26, 2024 · 9da73be · 9da73be
1 parent 1fd0d8e
commit 9da73be
Showing 1 changed file with 31 additions and 0 deletions.
diff --git a/host-interaction/os/hide-shutdown-actions-via-policy.yml b/host-interaction/os/hide-shutdown-actions-via-policy.yml
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+rule:
+  meta:
+    name: hide shutdown actions via policy
+    namespace: host-interaction/os
+    authors:
+      - [email protected]
+    scopes:
+      static: function
+      dynamic: call
+    att&ck:
+      - Defense Evasion::Modify Registry [T1112]
+    references:
+      - https://securelist.com/mallox-ransomware/113529/
+    examples:
+      - a6594d9550d56ddeaac8b3140821e698eefb7163ba29f0119c2ef19beb6040b0:0x14000b47f
+  features:
+    - and:
+      - optional:
+        - match: create or open registry key
+      - or:
+        - and:
+          - string: "/Policies/i"
+          - or:
+            - string: "/ShutdownWithoutLogon/i"
+            - string: "/HidePowerOptions/i"
+        - and:
+          - string: "/PolicyManager/i"
+          - or:
+            - string: "/HideRestart/i"
+            - string: "/HideShutDown/i"
+            - string: "/HideSignOut/i"