Exploiting Nopac CVE 2021 42278 42287

Quality score: 70/100 · Category: Security · Sub-category: red-team

Exploit the noPac vulnerability chain (CVE-2021-42278 sAMAccountName spoofing and CVE-2021-42287 KDC PAC confusion)

What this skill does

Exploiting Nopac CVE 2021 42278 42287 is a production-ready Claude Code skill (quality score 70/100) in the red-team sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/exploiting-nopac-cve-2021-42278-42287/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Exploiting Nopac CVE 2021 42278 42287 skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/exploiting-nopac-cve-2021-42278-42287
curl -L https://claudskills.com/skills/exploiting-nopac-cve-2021-42278-42287/SKILL.md \
  -o ~/.claude/skills/exploiting-nopac-cve-2021-42278-42287/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/exploiting-nopac-cve-2021-42278-42287/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/exploiting-nopac-cve-2021-42278-42287/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\exploiting-nopac-cve-2021-42278-42287\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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