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offensive-shellcode

97 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By SnailSploit/Claude-Red (GitHub) · coding · 10,590 stars · scanned at commit a8de813

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.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'offensive-shellcode' ] || [ -L ~/.agents/skills/'offensive-shellcode' ]; then echo 'A skill folder named offensive-shellcode already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/SnailSploit/Claude-Red' "$d" && git -C "$d" checkout --quiet 'a8de813edc9f66f60d44cfe42d47750e89d9930b' -- 'Skills/infrastructure/offensive-shellcode' && mkdir -p ~/.agents/skills && cp -R "$d"/'Skills/infrastructure/offensive-shellcode' ~/.agents/skills/'offensive-shellcode' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'offensive-shellcode' ~/.claude/skills/'offensive-shellcode' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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