46 lines
1.2 KiB
YAML
46 lines
1.2 KiB
YAML
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title: Mimikatz Detection LSASS Access
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ruletype: Sigma
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author: Sherif Eldeeb
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date: 2017/10/18
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description: Detects process access to LSASS which is typical for Mimikatz (0x1000
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PROCESS_QUERY_ LIMITED_INFORMATION, 0x0400 PROCESS_QUERY_ INFORMATION "only old
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versions", 0x0010 PROCESS_VM_READ)
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detection:
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SELECTION_1:
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EventID: 10
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SELECTION_2:
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TargetImage: '*\lsass.exe'
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SELECTION_3:
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GrantedAccess:
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- '0x1410'
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- '0x1010'
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- '0x410'
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SELECTION_4:
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SourceImage: C:\Program Files\WindowsApps\\*
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SELECTION_5:
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SourceImage: '*\GamingServices.exe'
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condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3) and not (SELECTION_4
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and SELECTION_5))
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falsepositives:
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- Some security products access LSASS in this way.
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fields:
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- ComputerName
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- User
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- SourceImage
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id: 0d894093-71bc-43c3-8c4d-ecfc28dcf5d9
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level: high
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logsource:
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category: process_access
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product: windows
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modified: 2021/11/30
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references:
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- https://onedrive.live.com/view.aspx?resid=D026B4699190F1E6!2843&ithint=file%2cpptx&app=PowerPoint&authkey=!AMvCRTKB_V1J5ow
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- https://cyberwardog.blogspot.com/2017/03/chronicles-of-threat-hunter-hunting-for_22.html
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status: deprecated
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tags:
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- attack.t1003
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- attack.s0002
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- attack.credential_access
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- car.2019-04-004
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