Pcwrun.exe detection added

2024-11-07 17:58:52 +00:00 · 2020-10-12 13:52:49 +03:00 · 2020-10-12 13:52:49 +03:00 · 175834fe90
commit 175834fe90
parent 0966d24031
1 changed files with 29 additions and 0 deletions
--- a/rules/windows/process_creation/win_indirect_cmd_compatibility_assistant.yml
+++ b/rules/windows/process_creation/win_indirect_cmd_compatibility_assistant.yml
@ -0,0 +1,29 @@
+title: Indirect Command Execution By Program Compatibility Wizard
+id: b97cd4b1-30b8-4a9d-bd72-6293928d52bc
+description: Detect indirect command execution via Program Compatibility Assistant pcwrun.exe
+status: experimental
+author: A. Sungurov , oscd.community
+references:
+    - https://twitter.com/pabraeken/status/991335019833708544
+    - https://lolbas-project.github.io/lolbas/Binaries/Pcwrun/
+date: 2020/10/12
+tags:
+    - attack.defense_evasion
+    - attack.t1218
+    - attack.execution
+logsource:
+    category: process_creation
+    product: windows
+detection:
+    selection:
+        ParentImage|endswith: '\pcwrun.exe'
+    condition: selection
+fields:
+    - ComputerName
+    - User
+    - ParentCommandLine
+    - CommandLine
+falsepositives:
+    - Need to use extra processing with 'unique_count' / 'filter' to focus on outliers as opposed to commonly seen artifacts
+    - Legit usage of scripts
+level: low