SigmaHQ/rules/windows/sysmon/sysmon_susp_certutil_decode.yml
2017-03-27 22:30:26 +02:00

21 lines
581 B
YAML

title: Certutil Decode in AppData
status: experimental
description: Detetcs a Microsoft certutil execution with the 'decode' sub command, which is sometimes used to decode malicious code with the built-in certutil utility
author: Florian Roth
reference: https://twitter.com/JohnLaTwC/status/835149808817991680
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 1
Image:
- '*\certutil.exe * -decode *'
- '*\certutil.exe * -decodehex *'
condition: selection
falsepositives:
- unknown
level: high