rules:
- id: detected-etc-shadow
  patterns:
  - pattern-regex: ^(\s*)(?P<ROOT>root:[x!*]*:[0-9]*:[0-9]*)
  - focus-metavariable: $ROOT
  languages: [regex]
  message: linux shadow file detected
  severity: ERROR
  metadata:
    cwe:
    - 'CWE-798: Use of Hard-coded Credentials'
    category: security
    technology:
    - secrets
    confidence: LOW
    owasp:
    - A07:2021 - Identification and Authentication Failures
    - A07:2025 - Authentication Failures
    references:
    - https://owasp.org/Top10/A07_2021-Identification_and_Authentication_Failures
    cwe2022-top25: true
    cwe2021-top25: true
    subcategory:
    - audit
    likelihood: LOW
    impact: MEDIUM