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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
1.9 KiB
1.9 KiB
API Reference: Hunting for Supply Chain Compromise
NPM Lock File Analysis
import json
data = json.load(open("package-lock.json"))
packages = data.get("packages", {})
for name, info in packages.items():
resolved = info.get("resolved", "")
has_script = info.get("hasInstallScript", False)
pip-audit
pip-audit --format=json --output=audit.json
pip-audit --require=requirements.txt --desc
# Programmatic usage
from pip_audit._cli import audit
# Or parse JSON output
import subprocess, json
result = subprocess.run(["pip-audit", "--format=json"], capture_output=True, text=True)
vulns = json.loads(result.stdout)
Hash Verification
import hashlib
sha = hashlib.sha256()
with open("binary.exe", "rb") as f:
for chunk in iter(lambda: f.read(8192), b""):
sha.update(chunk)
print(sha.hexdigest())
Dependency Confusion Checks
| Registry | Check Command | Risk |
|---|---|---|
| npm | npm view <pkg> name |
Package exists publicly |
| PyPI | pip index versions <pkg> |
Package exists publicly |
| Maven | mvn dependency:resolve |
Artifact on Maven Central |
Splunk SPL - Build Anomaly Detection
index=cicd sourcetype=build_logs
| where match(_raw, "(?i)(curl.*\|.*sh|wget.*chmod|--registry\s+http)")
| table _time build_id job_name _raw
Supply Chain Indicators
| Indicator | Severity | Category |
|---|---|---|
| Known compromised package | CRITICAL | Package takeover |
| Non-standard registry URL | HIGH | Dependency confusion |
| Install scripts in deps | MEDIUM | Post-install hooks |
| Git URL dependencies | MEDIUM | Unpinned source |
| Pipe to shell in CI | CRITICAL | Remote code execution |
References
- MITRE T1195: https://attack.mitre.org/techniques/T1195/
- pip-audit: https://github.com/pypa/pip-audit
- npm audit: https://docs.npmjs.com/cli/v9/commands/npm-audit