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26 lines
874 B
YAML
Executable File
26 lines
874 B
YAML
Executable File
title: Lsass Memory Dump via Comsvcs DLL
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id: a49fa4d5-11db-418c-8473-1e014a8dd462
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description: Detects adversaries leveraging the MiniDump export function from comsvcs.dll via rundll32 to perform a memory dump from lsass.
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status: experimental
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date: 2020/10/20
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modified: 2021/06/21
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author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
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tags:
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- attack.credential_access
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- attack.t1003.001
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references:
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- https://twitter.com/shantanukhande/status/1229348874298388484
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- https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/
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logsource:
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category: process_access
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product: windows
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detection:
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selection:
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TargetImage|endswith: '\lsass.exe'
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SourceImage: 'C:\Windows\System32\rundll32.exe'
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CallTrace|contains: 'comsvcs.dll'
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condition: selection
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falsepositives:
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- Unknown
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level: critical
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