title: OMIGOD SCX RunAsProvider ExecuteShellCommand id: 21541900-27a9-4454-9c4c-3f0a4240344a status: test description: | Rule to detect the use of the SCX RunAsProvider Invoke_ExecuteShellCommand to execute any UNIX/Linux command using the /bin/sh shell. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite. references: - https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure - https://github.com/Azure/Azure-Sentinel/pull/3059 author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), MSTIC date: 2021-10-15 modified: 2022-10-05 tags: - attack.privilege-escalation - attack.initial-access - attack.execution - attack.t1068 - attack.t1190 - attack.t1203 logsource: product: linux category: process_creation detection: selection: User: root LogonId: 0 CurrentDirectory: '/var/opt/microsoft/scx/tmp' CommandLine|contains: '/bin/sh' condition: selection falsepositives: - Legitimate use of SCX RunAsProvider Invoke_ExecuteShellCommand. level: high