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blue-team-tools/rules/linux/auditd/lnx_auditd_omigod_scx_runasprovider_executeshellcommand.yml
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2021-11-11 10:26:08 +01:00

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YAML

title: OMIGOD SCX RunAsProvider ExecuteShellCommand
id: 045b5f9c-49f7-4419-a236-9854fb3c827a
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.
status: experimental
date: 2021/09/17
modified: 2021/11/11
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
tags:
- attack.privilege_escalation
- attack.initial_access
- attack.execution
- attack.t1068
- attack.t1190
- attack.t1203
references:
- https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure
- https://github.com/Azure/Azure-Sentinel/pull/3059
logsource:
product: linux
service: auditd
detection:
selection:
type: 'SYSCALL'
syscall: 'execve'
uid: '0'
cwd: '/var/opt/microsoft/scx/tmp'
comm: 'sh'
condition: selection
falsepositives:
- Legitimate use of SCX RunAsProvider Invoke_ExecuteShellCommand.
level: high