SigmaHQ/rules/windows/process_creation/win_process_dump_rundll32_comsvcs.yml
2021-04-23 16:46:04 +02:00

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title: Process Dump via Rundll32 and Comsvcs.dll
id: 646ea171-dded-4578-8a4d-65e9822892e3
description: Detects a process memory dump performed via ordinal function 24 in comsvcs.dll
status: experimental
references:
- https://twitter.com/shantanukhande/status/1229348874298388484
- https://twitter.com/pythonresponder/status/1385064506049630211?s=21
author: Florian Roth
date: 2020/02/18
modified: 2021/04/23
tags:
- attack.defense_evasion
- attack.t1036
- attack.credential_access
- attack.t1003 # an old one
- car.2013-05-009
- attack.t1003.001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'comsvcs.dll,#24'
- 'comsvcs.dll,MiniDump'
- 'comsvcs.dll MiniDump'
condition: selection
falsepositives:
- Unlikely, because no one should dump the process memory in that way
level: high