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34 lines
1.1 KiB
YAML
34 lines
1.1 KiB
YAML
title: Suspicious Use of Procdump on LSASS
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id: 5afee48e-67dd-4e03-a783-f74259dcf998
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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.
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status: experimental
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references:
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- Internal Research
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author: Florian Roth
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date: 2018/10/30
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modified: 2021/02/02
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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.t1003.001
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- attack.t1003 # an old one
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- car.2013-05-009
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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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selection1:
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CommandLine|contains: ' -ma '
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selection2:
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CommandLine|contains: ' lsass'
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selection3:
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CommandLine|contains|all:
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- ' -ma '
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- ' ls'
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condition: ( selection1 and selection2 ) or selection3
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falsepositives:
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- Unlikely, because no one should dump an lsass process memory
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- Another tool that uses the command line switches of Procdump
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level: critical
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