SKILL.md Prompt Injection

Detects prompt injection patterns embedded in SKILL.md files. 91% of confirmed malicious skills combine prompt injection with malware delivery (Snyk ToxicSkills, Feb 2026). Patterns include: system message impersonation, DAN-style jailbreaks, instruction override, and safety disablement. The convergence attack flow uses prompt injection first to disable safety warnings, then delivers malicious payloads. Real campaign: ClawHavoc (1,184 skills) used injection to bypass agent safety before credential exfiltration.

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