Create forensically sound bit-for-bit disk images using dd and dcfldd while preserving evidence integrity through hash verification.
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aniket2348823/Vul-Agent2Updated Jun 9, 2026
FreePublished on GitHub
detecting-supply-chain-attacks-in-ci-cd
Scans GitHub Actions workflows and CI/CD pipeline configurations for supply chain attack vectors including unpinned actions, script injection via expressions, dependency confusion, and secrets exposure. Uses PyGithub and YAML parsing for automated audit. Use when hardening CI/CD pipelines or investigating compromised build systems.
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Works withGitHub
See how to installFiles included (4)
- SKILL.md2.4 KB
- LICENSE11.0 KB
- references/api-reference.md1.6 KB
- scripts/agent.py7.4 KB
SKILL.md (original)
Review the instructions the agent will receive before you install.
Detecting Supply Chain Attacks in CI/CD
When to Use
- When investigating security incidents that require detecting supply chain attacks in ci cd
- When building detection rules or threat hunting queries for this domain
- When SOC analysts need structured procedures for this analysis type
- When validating security monitoring coverage for related attack techniques
Prerequisites
- Familiarity with security operations concepts and tools
- Access to a test or lab environment for safe execution
- Python 3.8+ with required dependencies installed
- Appropriate authorization for any testing activities
Instructions
Scan CI/CD workflow files for supply chain risks by parsing GitHub Actions YAML, checking for unpinned dependencies, script injection vectors, and secrets exposure.
import yaml
from pathlib import Path
for wf in Path(".github/workflows").glob("*.yml"):
with open(wf) as f:
workflow = yaml.safe_load(f)
for job_name, job in workflow.get("jobs", {}).items():
for step in job.get("steps", []):
uses = step.get("uses", "")
if uses and "@" in uses and not uses.split("@")[1].startswith("sha"):
print(f"Unpinned action: {uses} in {wf.name}")
Key supply chain risks:
- Unpinned GitHub Actions (using @main instead of SHA)
- Script injection via ${{ github.event }} expressions
- Overly permissive GITHUB_TOKEN permissions
- Third-party actions with write access to repo
- Dependency confusion via public/private package name collision
Examples
# Check for script injection in run steps
for step in job.get("steps", []):
run_cmd = step.get("run", "")
if "${{" in run_cmd and "github.event" in run_cmd:
print(f"Script injection risk: {run_cmd[:80]}")
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