itiB
32 lines
960 B
YAML
32 lines
960 B
YAML
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title: LSASS Access Detected via Attack Surface Reduction
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ruletype: Sigma
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author: Markus Neis
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date: 2018/08/26
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description: Detects Access to LSASS Process
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detection:
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SELECTION_1:
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EventID: 1121
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SELECTION_2:
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Path: '*\lsass.exe'
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condition: (SELECTION_1 and SELECTION_2)
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falsepositives:
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- Google Chrome GoogleUpdate.exe
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- Some Taskmgr.exe related activity
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id: a0a278fe-2c0e-4de2-ac3c-c68b08a9ba98
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level: high
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logsource:
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definition: 'Requirements:Enabled Block credential stealing from the Windows local
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security authority subsystem (lsass.exe) from Attack Surface Reduction (GUID:
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9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2)'
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product: windows
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service: windefend
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modified: 2021/11/13
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references:
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- https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard?WT.mc_id=twitter
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status: experimental
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tags:
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- attack.credential_access
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- attack.t1003
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- attack.t1003.001
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