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* Operator is only parsed. No processing or passing of parsed data to backends. * Changed rule sysmon_mimikatz_inmemory_detection.yml accordingly.
33 lines
934 B
YAML
33 lines
934 B
YAML
title: Mimikatz In-Memory Detection
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status: experimental
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description: Detects certain DLL loads when Mimikatz gets executed
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reference: https://securityriskadvisors.com/blog/post/detecting-in-memory-mimikatz/
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logsource:
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product: windows
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service: sysmon
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detection:
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selector:
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EventID: 7
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Image: 'C:\Windows\System32\rundll32.exe'
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dllload1:
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ImageLoaded: '*\vaultcli.dll'
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dllload2:
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ImageLoaded: '*\wlanapi.dll'
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exclusion:
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ImageLoaded:
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- 'ntdsapi.dll'
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- 'netapi32.dll'
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- 'imm32.dll'
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- 'samlib.dll'
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- 'combase.dll'
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- 'srvcli.dll'
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- 'shcore.dll'
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- 'ntasn1.dll'
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- 'cryptdll.dll'
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- 'logoncli.dll'
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timeframe: last 30s
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condition: selector | near dllload1 and dllload2 and not exclusion within timeframe
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falsepositives:
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- unknown
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level: medium
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