f.hubaut
30 lines
1013 B
YAML
30 lines
1013 B
YAML
title: Execution via CL_Mutexverifiers.ps1 (2 Lines)
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id: 6609c444-9670-4eab-9636-fe4755a851ce
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description: Detects Execution via runAfterCancelProcess in CL_Mutexverifiers.ps1 module
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status: experimental
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author: oscd.community, Natalia Shornikova
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date: 2020/10/14
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modified: 2021/05/21
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references:
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- https://github.com/LOLBAS-Project/LOLBAS/blob/master/yml/OSScripts/CL_mutexverifiers.yml
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- https://twitter.com/pabraeken/status/995111125447577600
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tags:
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- attack.defense_evasion
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- attack.t1216
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logsource:
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product: windows
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service: powershell
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definition: Script block logging must be enabled
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detection:
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selection2:
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EventID: 4104
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ScriptBlockText|contains:
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- 'CL_Mutexverifiers.ps1'
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- 'runAfterCancelProcess'
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condition: selection2 | count(ScriptBlockText) by Computer > 2
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# PS > Import-Module c:\Windows\diagnostics\system\Audio\CL_Mutexverifiers.ps1
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# PS > runAfterCancelProcess c:\Evil.exe
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falsepositives:
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- Unknown
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level: high
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