37 lines
1.1 KiB
YAML
37 lines
1.1 KiB
YAML
title: Process Dump via Rundll32 and Comsvcs.dll
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author: Florian Roth
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date: 2020/02/18
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description: Detects a process memory dump performed via ordinal function 24 in comsvcs.dll
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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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CommandLine: '*comsvcs.dll,#24*'
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SELECTION_3:
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CommandLine: '*comsvcs.dll,MiniDump*'
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SELECTION_4:
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CommandLine: '*comsvcs.dll MiniDump*'
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or SELECTION_4))
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falsepositives:
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- Unlikely, because no one should dump the process memory in that way
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id: 646ea171-dded-4578-8a4d-65e9822892e3
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2021/04/23
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references:
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- https://twitter.com/shantanukhande/status/1229348874298388484
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- https://twitter.com/pythonresponder/status/1385064506049630211?s=21
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1036
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- attack.credential_access
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- attack.t1003
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- car.2013-05-009
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- attack.t1003.001
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yml_filename: win_process_dump_rundll32_comsvcs.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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