Florian Roth
22 lines
714 B
YAML
22 lines
714 B
YAML
title: Suspicious Certutil Command
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status: experimental
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description: Detetcs a suspicious Microsoft certutil execution with sub commands like 'decode' sub command, which is sometimes used to decode malicious code with the built-in certutil utility
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author: Florian Roth
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reference: https://twitter.com/JohnLaTwC/status/835149808817991680
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logsource:
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product: windows
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service: sysmon
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detection:
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selection:
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EventID: 1
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Image:
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- '*\certutil.exe * -decode *'
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- '*\certutil.exe * -decodehex *'
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- '*\certutil.exe -urlcache -split -f' # https://twitter.com/subTee/status/888102593838362624
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condition: selection
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falsepositives:
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- unknown
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level: high
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