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oss-forensics

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Supply chain investigation, evidence recovery, and forensic analysis for GitHub repositories. Covers deleted commit recovery, force-push detection, IOC extraction, multi-source evidence collection, hypothesis formation/validation, and structured forensic reporting. Inspired by RAPTOR's 1800+ line OSS Forensics system.

optional-skills/security/oss-forensics/SKILL.md

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# OSS Security Forensics Skill

A 7-phase multi-agent investigation framework for researching open-source supply chain attacks.
Adapted from RAPTOR's forensics system. Covers GitHub Archive, Wayback Machine, GitHub API,
local git analysis, IOC extraction, evidence-backed hypothesis formation and validation,
and final forensic report generation.

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## ⚠<U+FE0F> Anti-Hallucination Guardrails

Read these before every investigation step. Violating them invalidates the report.

1. **Evidence-First Rule**: Every claim in any report, hypothesis, or summary MUST cite at least one evidence ID (`EV-XXXX`). Assertions without citations are forbidden.