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analyzing-packed-malware-with-upx-unpacker

80 / 100 · Low risk

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

By plurigrid/asi (GitHub) · coding · 72 stars · scanned at commit 293ce9f

Identifies and unpacks UPX-packed and other packed malware samples to expose the original executable code for static analysis. Covers both standard UPX unpacking and handling modified UPX headers that prevent automated decompression. Activates for requests involving malware unpacking, UPX decompression, packer removal, or preparing packed samples for analysis.

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/'analyzing-packed-malware-with-upx-unpacker' ] || [ -L ~/.agents/skills/'analyzing-packed-malware-with-upx-unpacker' ]; then echo 'A skill folder named analyzing-packed-malware-with-upx-unpacker already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/plurigrid/asi' "$d" && git -C "$d" checkout --quiet '293ce9f76e3abcd5ba18db284688bc0d9ac6691d' -- 'plugins/asi/skills/analyzing-packed-malware-with-upx-unpacker' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/asi/skills/analyzing-packed-malware-with-upx-unpacker' ~/.agents/skills/'analyzing-packed-malware-with-upx-unpacker' && 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/'analyzing-packed-malware-with-upx-unpacker' ~/.claude/skills/'analyzing-packed-malware-with-upx-unpacker' (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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