File Decoded From Base64/Hex Via Certutil.EXE

sigmaDRL-1.1from SigmaHQ/sigma

Detects the execution of certutil with either the "decode" or "decodehex" flags to decode base64 or hex encoded files. This can be abused by attackers to decode an encoded payload before execution

quality82

fp risk—

forks0

ATT&CK techniques

T1027

rule sourcelocked

title: ████████████████████████
id: ████████-████-████-████-████████████
status: ██████████
description: ██████████████████████████████████████████
             ████████████████████████████████████████
author: ████████
tags:
  - attack.████
  - attack.████
logsource:
  product: ████████
  category: ████████████
detection:
  selection:
    Image|endswith: '████████████████'
    CommandLine|contains:
      - '████████████████████████'
      - '████████████████████████'
      - '██████████████████'
  condition: selection
level: ████████
falsepositives:
  - ████████████████████

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