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Ctf Malware

Ctf Malware is an agent skill (a SKILL.md file) from ljagiello/ctf-skills. It provides malware analysis and network traffic techniques for CTF challenges. It works with Claude Code, Codex, Gemini CLI and OpenCode and has 3,530 GitHub stars across a repository of 3 listed skills.

github.com/ljagiello/ctf-skills/ctf-malware (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

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Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/ljagiello/ctf-skills.git
cp -r ctf-skills/ctf-malware ~/.claude/skills/ctf-malware   # personal, or .claude/skills in a project

In the Claude apps, zip the ctf-malware folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/ljagiello/ctf-skills.git
cp -r ctf-skills/ctf-malware .agents/skills/ctf-malware   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/ljagiello/ctf-skills.git
cp -r ctf-skills/ctf-malware .cursor/skills/ctf-malware   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Provides malware analysis and network traffic techniques for CTF challenges. Use when analyzing obfuscated scripts, malicious packages, custom crypto protocols, C2 traffic, PE/.NET binaries, RC4/AES encrypted communications, YARA rules, shellcode analysis, memory forensics for malware (Volatility malfind, process injection detection), anti-analysis techniques (VM/sandbox detection, timing evasion, API hashing, process injection, environment checks), or extracting malware configurations and…

When it triggers

  • Use when analyzing obfuscated scripts, malicious packages, custom crypto protocols, C2 traffic, PE/.

More skills in ljagiello/ctf-skills

3 skills are listed from this repository.

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FAQ

Ctf Malware FAQ

Still curious? Email info@appsgit.com.

How do I install the Ctf Malware skill?

Copy the ctf-malware folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the Ctf Malware skill free?

Yes. The repository is open source under the MIT license.

Is Ctf Malware maintained?

The repository's most recent commit was on Oct 26, 2026. appsgit only lists skills from repositories with a commit in the last six months.