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37 lines
1.0 KiB
YAML
37 lines
1.0 KiB
YAML
title: Process Dump via Comsvcs DLL
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id: 09e6d5c0-05b8-4ff8-9eeb-043046ec774c
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status: experimental
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description: Detects process memory dump via comsvcs.dll and rundll32
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references:
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- https://modexp.wordpress.com/2019/08/30/minidumpwritedump-via-com-services-dll/
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- https://twitter.com/SBousseaden/status/1167417096374050817
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author: Modexp (idea)
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date: 2019/09/02
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modified: 2020/09/05
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logsource:
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category: process_creation
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product: windows
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detection:
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rundll_image:
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Image|endswith: '\rundll32.exe'
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rundll_ofn:
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OriginalFileName: 'RUNDLL32.EXE'
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selection:
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CommandLine|contains|all:
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- 'comsvcs'
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- 'MiniDump' #Matches MiniDump and MinidumpW
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- 'full'
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condition: (rundll_image or rundll_ofn) and selection
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fields:
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- CommandLine
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- ParentCommandLine
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tags:
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- attack.defense_evasion
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- attack.t1218.011
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- attack.credential_access
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- attack.t1003.001
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- attack.t1003 # an old one
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falsepositives:
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- unknown
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level: medium
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