SigmaHQ/rules/windows/process_creation/win_susp_procdump.yml
2020-06-16 14:46:08 -06:00

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title: Suspicious Use of Procdump
id: 5afee48e-67dd-4e03-a783-f74259dcf998
description: Detects suspicious uses of the SysInternals Procdump utility by using a special command line parameter in combination with the lsass.exe process. This way we're also able to catch cases in which the attacker has renamed the procdump executable.
status: experimental
references:
- Internal Research
author: Florian Roth
date: 2018/10/30
modified: 2019/10/14
tags:
- attack.defense_evasion
- attack.t1036
- attack.credential_access
- attack.t1003
- car.2013-05-009
- attack.t1003.001
logsource:
category: process_creation
product: windows
detection:
selection1:
CommandLine:
- '* -ma *'
selection2:
CommandLine:
- '* lsass*'
selection3:
CommandLine:
- '* -ma ls*'
condition: ( selection1 and selection2 ) or selection3
falsepositives:
- Unlikely, because no one should dump an lsass process memory
- Another tool that uses the command line switches of Procdump
level: high