How do I install the Offensive Shellcode Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/offensive-shellcode/SKILL.md and restart Claude Code. Both flows are detailed at https://claudskills.com/install/.

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

ClaudSkills / Security / threat-hunting

Offensive Shellcode

Category: Security · Sub-category: threat-hunting · Last updated: 2026-05-21

Shellcode development reference for offensive security engagements. Use when writing custom x86/x64 shellcode, implementing position-independent code (PIC), building shellcode loaders, evading AV/EDR detection, or converting PE files to shellcode. Covers null byte avoidance, API hashing, encoder/decoder patterns, staged vs stageless payloads, Windows PEB traversal, and cross-platform shellcode techniques.

What this skill does

Offensive Shellcode is a community-contributed Claude Code skill in the threat-hunting sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/offensive-shellcode/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when writing custom x86/x64 shellcode, implementing position-independent code (PIC), building shellcode loaders, evading AV/EDR detection, or converting PE files to shellcode. Covers null byte avoidance, API hashing, encoder/decoder patterns, staged vs stageless payloads, Windows PEB traversal, and cross-platform shellcode techniques.

Who uses this skill

The Offensive Shellcode Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/offensive-shellcode
curl -L https://claudskills.com/skills/offensive-shellcode/SKILL.md \
  -o ~/.claude/skills/offensive-shellcode/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/offensive-shellcode/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/offensive-shellcode/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\offensive-shellcode\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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

Source: https://github.com/SnailSploit/Claude-Red/blob/HEAD/Skills/infrastructure/offensive-shellcode/SKILL.md
License: MIT
Author: SnailSploit

More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills

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

Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel

Offensive Shellcode

What this skill does

Who uses this skill

How to install

Manual install (2 steps)

One-click install via the desktop app

Attribution & license

More Security skills

Categories

Use cases

Popular tags

Learn

Site