44 lines
1.2 KiB
YAML
44 lines
1.2 KiB
YAML
title: Process Dump via Comsvcs DLL
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author: Modexp (idea)
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date: 2019/09/02
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description: Detects process memory dump via comsvcs.dll and rundll32
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Image: '*\rundll32.exe'
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SELECTION_3:
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OriginalFileName: RUNDLL32.EXE
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SELECTION_4:
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CommandLine: '*comsvcs*'
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SELECTION_5:
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CommandLine: '*MiniDump*'
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SELECTION_6:
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CommandLine: '*full*'
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and (SELECTION_4 and
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SELECTION_5 and SELECTION_6))
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falsepositives:
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- unknown
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fields:
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- CommandLine
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- ParentCommandLine
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id: 09e6d5c0-05b8-4ff8-9eeb-043046ec774c
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level: medium
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logsource:
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category: process_creation
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product: windows
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modified: 2020/09/05
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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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status: experimental
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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
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yml_filename: win_susp_comsvcs_procdump.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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