ClaudSkills / Security / malware-analysis

Analyzing Packed Malware With Upx Unpacker

Q: What is a Claude Code skill and how does the Analyzing Packed Malware With Upx Unpacker skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Analyzing Packed Malware With Upx Unpacker is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: malware-analysis · Last updated: 2026-05-21

Identifies and unpacks UPX-packed and other packed malware samples to expose the original executable code for

About this skill (catalog notes)

Analyzing Packed Malware With Upx Unpacker includes a dedicated installation section; 6 code blocks for direct copy-paste. At roughly 1,508 words the SKILL.md is on the longer end of the catalog distribution.

Source: mahipal.engineer/Anthropic-Cybersecurity-Skills
License: Apache-2.0
Original author: mahipal
Indexed lastmod: 2026-05-21
Catalog position: Security · malware-analysis
Indexed related skills: 10

How Analyzing Packed Malware With Upx Unpacker fits the catalog

Analyzing Packed Malware With Upx Unpacker sits in the Security category under the malware-analysis sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Analyzing Packed Malware With Upx Unpacker is a community-contributed Claude Code skill in the malware-analysis sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/analyzing-packed-malware-with-upx-unpacker/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Analyzing Packed Malware With Upx Unpacker 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 116,000+ 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/analyzing-packed-malware-with-upx-unpacker
curl -L https://claudskills.com/skills/analyzing-packed-malware-with-upx-unpacker/SKILL.md \
  -o ~/.claude/skills/analyzing-packed-malware-with-upx-unpacker/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/analyzing-packed-malware-with-upx-unpacker/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/analyzing-packed-malware-with-upx-unpacker/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\analyzing-packed-malware-with-upx-unpacker\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

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

Frequently asked questions

How do I install the Analyzing Packed Malware With Upx Unpacker Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/analyzing-packed-malware-with-upx-unpacker/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Analyzing Packed Malware With Upx Unpacker skill do?

Identifies and unpacks UPX-packed and other packed malware samples to expose the original executable code for

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.

When should I use the Analyzing Packed Malware With Upx Unpacker skill?

Use Analyzing Packed Malware With Upx Unpacker when your Claude Code task falls under the Security category — specifically in the malware analysis area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Analyzing Packed Malware With Upx Unpacker" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Analyzing Packed Malware With Upx Unpacker skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Analyzing Packed Malware With Upx Unpacker is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/mukul975/Anthropic-Cybersecurity-Skills/blob/77d5d9d686c8e309a42b71565fb313b476e81965/skills/analyzing-packed-malware-with-upx-unpacker/SKILL.md
License: Apache-2.0
Author: mahipal
Website: https://mahipal.engineer/Anthropic-Cybersecurity-Skills/

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

mahipal. (2026). Analyzing Packed Malware With Upx Unpacker [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/analyzing-packed-malware-with-upx-unpacker/

BibTeX

@misc{analyzing-packed-malware-with-upx-unpacker-2026,
  author    = {mahipal},
  title     = {Analyzing Packed Malware With Upx Unpacker [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/analyzing-packed-malware-with-upx-unpacker/}
}

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