Individual skill

reverse-eng-deobfuscation

Peel obfuscation off code until it's readable or callable — packed native binaries, minified/ obfuscated JavaScript, WebAssembly, and JS-VM-protected (JSVMP) bundles. Load when analysis is blocked by protection layers. Signals: high-entropy sections, a tiny import table, UPX headers, string-array/control-flow-flattened JS, `_0x` variable names, a .wasm module, an interpreter loop over a bytecode array, anti-debugger `debugger;` traps.

skills/reverse-engineering/reverse-eng-deobfuscation/SKILL.md

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Last checked: Nov 7, 2026

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Repository stars (not skill ratings): 27
Repository last updated: Oct 14, 2026
License: MIT

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# Deobfuscation

## When it applies
`reverse-eng-binary-triage` or `web-client-side-signing-bypass` stalls because the code is
protected: a packed executable, obfuscated JS whose logic you can't follow, a WASM blob doing the
real work, or a JSVMP interpreter running custom bytecode. You need to reduce the protection enough
to read the logic or call the function — no further.

## Why it works
Obfuscation raises the cost of reading, it doesn't change what the code *does* — the real behavior
is still there at runtime. So the shortest path is usually dynamic: let the code deobfuscate itself
(unpack in memory, evaluate the string array) and capture the result, rather than statically
undoing every transform.