cc-audit 3.4.0

Security auditor for Claude Code skills, hooks, and MCP servers
Documentation 
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# Custom Rules Example
# Use with: cc-audit check ./path --custom-rules ./examples/rules/custom-rules.yaml

version: "1"
rules:
  # Detect access to internal API endpoints
  - id: "CUSTOM-001"
    name: "Internal API access"
    description: "Detects access to internal API endpoints"
    severity: "high"
    category: "exfiltration"
    confidence: "firm"
    patterns:
      - 'https?://internal\.company\.com'
      - 'https?://api\.internal\.'
      - 'https?://.*\.corp\.example\.com'
    exclusions:
      - 'localhost'
      - '127\.0\.0\.1'
    message: "Access to internal API endpoint detected"
    recommendation: "Ensure this access is authorized and necessary"
    cwe:
      - "CWE-200"

  # Detect hardcoded database connection strings
  - id: "CUSTOM-002"
    name: "Database connection string"
    description: "Detects hardcoded database connection strings"
    severity: "high"
    category: "secret-leak"
    confidence: "firm"
    patterns:
      - 'mongodb://[^/]+:[^@]+@'
      - 'postgres://[^/]+:[^@]+@'
      - 'mysql://[^/]+:[^@]+@'
      - 'redis://:[^@]+@'
    message: "Hardcoded database connection string with credentials detected"
    recommendation: "Use environment variables for database credentials"
    cwe:
      - "CWE-798"

  # Detect company-specific sensitive file access
  - id: "CUSTOM-003"
    name: "Sensitive file access"
    description: "Detects access to company-specific sensitive files"
    severity: "medium"
    category: "exfiltration"
    confidence: "tentative"
    patterns:
      - '/opt/company/secrets/'
      - '/var/lib/company/credentials'
      - '\.company-secrets'
    message: "Access to company-specific sensitive file detected"
    recommendation: "Review if this file access is necessary"

  # Detect cryptocurrency wallet patterns
  - id: "CUSTOM-004"
    name: "Cryptocurrency wallet access"
    description: "Detects potential cryptocurrency wallet access"
    severity: "critical"
    category: "exfiltration"
    confidence: "certain"
    patterns:
      - '\.bitcoin/wallet\.dat'
      - '\.ethereum/keystore'
      - 'wallet\.json.*private'
    message: "Cryptocurrency wallet file access detected"
    recommendation: "This could indicate theft of cryptocurrency assets"
    cwe:
      - "CWE-200"