j2c-deobfuscate

j2c-deobfuscate is a Penetration testing & red team skill for AI agents, published by gaoyu06 in the c2j-native-deobfuscator repository on GitHub. Skillspace rates j2c-deobfuscate F (52/100) and it passed the safety scan; the rating is based on static analysis only.

Reverse-engineer a JNI-native-obfuscated JAR (native-obfuscator, j2cc, or any tool that transpiles Java methods to C/C++ and calls back through the JNI) back toward readable Java. Use when the user wants to deobfuscate / dump / crack / understand such a jar or its bundled .dll/.so native blob, recover native method bodies, extract decrypted string tables, or trace/emulate the native code. Covers all three recovery paths (dynamic JVMTI, static Ghidra, emulation) and how to adapt them per-target.

Grade
F
Quality
52 / 100
Safety
Passed
GitHub stars
20

Unproven: rated by static analysis only, not yet compared head-to-head.

This rating describes the version of the repository we crawled; it may have changed since, so go by its current files.

View source on GitHubgaoyu06/c2j-native-deobfuscator

Our review

Architecture
78 / 100
Maturity
Basic: a single SKILL.md
Security scan
Low-risk patterns
License
GPL-3.0
Adoption
Adopted by 0 other repositories, in 0 collections

What the scanner flagged

  • mentions secrets in text

Not checked yet

  • Not judged on the rubric yet (not a contender in its category)
  • No blind task eval yet
  • Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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