anti-reversing-techniques SKILL.md skillA

anti-reversing-techniques from wshobson/agents is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add wshobson/agents/anti-reversing-techniques@git:20260522.be57c0b

Pins git:20260522.be57c0b in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
wshobson/agents
Path
plugins/reverse-engineering/skills/anti-reversing-techniques/SKILL.md
Versions recorded
4
Latest version
git:20260522.be57c0b, committed May 22, 2026
First version recorded
Jan 9, 2026
Size
3,931 bytes
Repository stars
42,320
License
MIT

Understand anti-reversing, obfuscation, and protection techniques encountered during software analysis. Use this skill when analyzing malware evasion techniques, when implementing anti-debugging protections for CTF challenges, when reverse engineering packed binaries, or when building security research tools that need to detect virtualized environments.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

> **AUTHORIZED USE ONLY**: This skill contains dual-use security techniques. Before proceeding with any bypass or analysis:
>
> 1. **Verify authorization**: Confirm you have explicit written permission from the software owner, or are operating within a legitimate security context (CTF, authorized pentest, malware analysis, security research)
> 2. **Document scope**: Ensure your activities fall within the defined scope of your authorization
> 3. **Legal compliance**: Understand that unauthorized bypassing of software protection may violate laws (CFAA, DMCA anti-circumvention, etc.)
>
> **Legitimate use cases**: Malware analysis, authorized penetration testing, CTF competitions, academic security research, analyzing software you own/have rights to

# Anti-Reversing Techniques

Understanding protection mechanisms encountered during authorized software analysis, security research, and malware analysis. This knowledge helps analysts bypass protections to complete legitimate analysis tasks.

For advanced techniques, see [references/advanced-techniques.md](references/advanced-techniques.md)

---

## Input / Output

**What you provide:**
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add wshobson/agents/anti-reversing-techniques@sha256:fd203065f4eec2c2

The line at the top of this page pins the label git:20260522.be57c0b, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_3ho6ue6je7i4pvv2.svg)](https://markdownregistry.com/a/art_3ho6ue6je7i4pvv2)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 4 versions of this file, between Jan 9, 2026 and May 22, 2026, about one every 44 days.

versioncommittedcommitsizeaudit
git:20260522.be57c0b latest2026-05-22 be57c0b 3,931 BA view · diff
git:20260326.e341bb42026-03-26 e341bb4 15,090 BA view · diff
git:20260119.56848872026-01-19 5684887 12,426 BA view · diff
git:20260109.2d769d42026-01-09 2d769d4 12,413 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3931 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

wshobson/agents · 42,320 stars · license MIT · pushed 2026-11-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3ho6ue6je7i4pvv2
GET https://markdownregistry.com/api/v1/resolve?ref=wshobson/agents/anti-reversing-techniques
GET https://markdownregistry.com/api/v1/blob/fd203065f4eec2c2021e9a019e02129fa780a0d668a8ac9e4724e18cb8fd996d

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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