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29 lines
769 B
YAML
29 lines
769 B
YAML
title: Regsvr32 Flags Anomaly
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id: b236190c-1c61-41e9-84b3-3fe03f6d76b0
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status: experimental
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description: Detects a flag anomaly in which regsvr32.exe uses a /i flag without using a /n flag at the same time
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author: Florian Roth
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date: 2019/07/13
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references:
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- https://twitter.com/sbousseaden/status/1282441816986484737?s=12
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tags:
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- attack.defense_evasion
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- attack.t1218.010
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- attack.t1117 # an old one
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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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selection:
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Image|endswith: '\regsvr32.exe'
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CommandLine|contains: ' /i:'
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filter:
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CommandLine|contains: ' /n '
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condition: selection and not filter
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fields:
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- CommandLine
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- ParentCommandLine
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falsepositives:
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- Unknown
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level: high
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