Create proc_creation_suspicious_process_started_from_psexec .yml

2022-07-21 20:32:50 +01:00
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+title: Suspicious processes Started From PSExec service
+id: fdfcbd78-48f1-4a4b-90ac-d82241e368c5
+status: experimental
+description: Detects launching suspicious processes from PSExec service
+references:
+    - https://www.youtube.com/watch?v=ro2QuZTIMBM (minute:10:43)
+author: Romaissa Adjailia
+date: 2022/07/21
+tags:
+    - attack.execution 
+logsource:
+    category: process_creation
+    product: windows
+    service: sysmon
+detection:
+    selection:
+      ParentImage|endswith: '\psexesvc.exe'
+      OriginalFileName:
+        # Add more suspicious processes
+        - 'cmd.exe'
+        - 'powershell.exe'
+    condition: selection
+fields:
+    - CommandLine
+    - OriginalFileName
+    - Parentimage
+    - ParentCommandLine
+falsepositives:
+    - Legitimate administrative tasks
+level: high