Individual skill
offensive-supply-chain
Comprehensive offensive methodology for software supply chain attacks covering the full kill chain from reconnaissance through exploitation. Addresses dependency confusion across npm, PyPI, and NuGet ecosystems where internal registry override allows an attacker to inject malicious packages that shadow private dependencies. Covers typosquatting techniques for popular packages, compromised package injection via maintainer account takeover or social engineering, and build system attacks through Makefile injection, setup.py install hooks, and npm postinstall scripts. Extends into CI/CD artifact tampering where build outputs are replaced or modified in transit, code signing abuse through stolen or self-signed certificates, upstream repository compromise via commit injection or force-push to trusted repos, and container image supply chain attacks including base image trojaning and registry confusion. Maps to MITRE ATT&CK T1195.001 (Supply Chain Compromise: Compromise Software Dependencies and Development Tools) and T1195.002 (Supply Chain Compromise: Compromise Software Supply Chain). Integrates tooling such as confused for dependency confusion scanning and dependency-check for known vulnerable component detection. Each technique section provides reproducible proof-of-concept patterns, detection guidance for defenders, and engagement-safe execution notes for authorized red team operations.
Skills/supply-chain/offensive-supply-chain/SKILL.md
Source commit a8de813edc9f66f60d44cfe42d47750e89d9930b
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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- Repository stars (not skill ratings)
- 10,512
- Repository last updated
- Oct 12, 2026
- License
- MIT
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- claude-ai Repository topic
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Read excerpt
# Offensive Supply Chain Attacks
Software supply chain attacks exploit the trust relationships between developers,
package registries, build systems, and deployment pipelines. You target the
components and processes that organizations depend on but rarely audit with the
same rigor as their own code. A single compromised dependency can propagate
across thousands of downstream consumers, making supply chain the highest
leverage attack surface in modern software ecosystems.
This skill covers the offensive lifecycle: reconnaissance of internal package
names, exploitation of registry resolution logic, build system hook abuse,
CI/CD pipeline tampering, and container image supply chain attacks. Every
technique maps to authorized red team engagement patterns with safe callback
mechanisms.