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Python AST-based security analysis using Bandit. Detects exec/eval code execution, pickle/yaml deserialization, subprocess shell injection, SQL injection, hardcoded credentials, weak cryptography. Use for Python security audits, malicious code triage.
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| name | bandit-security-scan |
| description | Python AST-based security analysis using Bandit. Detects exec/eval code execution, pickle/yaml deserialization, subprocess shell injection, SQL injection, hardcoded credentials, weak cryptography. Use for Python security audits, malicious code triage. |
| applyTo | **/*.py |
Bandit is a security linter for Python code. It builds an AST from each file and runs plugins against the nodes to detect common vulnerabilities.
# Scan directory recursively
bandit -r /path/to/project
# JSON output (recommended for parsing)
bandit -r . -f json -o bandit-results.json
# Only HIGH severity findings
bandit -r . -lll
# Only MEDIUM and above
bandit -r . -ll
# Run specific critical tests only
bandit -r . -t B102,B307,B602,B605,B301 -lll
# Exclude test directories
bandit -r . --exclude "*/tests/*,*/venv/*"
| Test ID | Detection | Severity | MITRE ATT&CK |
|---|---|---|---|
| B102 | exec() usage | MEDIUM | T1059 |
| B307 | eval() usage | MEDIUM | T1059 |
| B602 | subprocess(shell=True) | HIGH | T1059.004 |
| B605 | os.system() | HIGH | T1059.004 |
| B301 | pickle.load() | MEDIUM | T1059 |
| B105-B107 | Hardcoded passwords | LOW | T1552.001 |
| B310 | urllib.urlopen | MEDIUM | T1071 |
| B312 | telnetlib | HIGH | T1071 |
| B501 | request_with_no_cert_validation | HIGH | T1557 |
| B506 | yaml.load() | MEDIUM | T1059 |
| B608 | Hardcoded SQL expressions | MEDIUM | T1190 |
Quick triage (< 30 seconds):
bandit -r . -t B102,B307,B602,B605 -lll
Standard audit:
bandit -r . -ll --exclude "*/tests/*,*/venv/*"
Full malicious code scan:
bandit -r . -f json -o full-scan.json
| Test ID | Scenario | Mitigation |
|---|---|---|
| B101 | assert in test files | --exclude "*/tests/*" |
| B311 | random for non-security use | Skip with -s B311 |
| B105 | Variables named password that aren't credentials | Manual review |
guarddog or pip-audit for that