gchq/CyberChef

Operation request: JavaScript deobfuscator

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#425 opened on Nov 20, 2018

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help wantedoperation

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Description

Summary

An operation, or series of operations, to help in the deobfuscation of JavaScript code. Obfuscated JavaScript is becoming more and more common in malware samples, so some utilities to help deobfuscate it would be useful.

Please post ideas below.

Contributor guide

Research direction
Explore existing CyberChef operations structure and design a series of operations for JavaScript deobfuscation, such as string decoding, function analysis, and AST manipulation.
Tech stack
javascript
Domain
frontendsecurity
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaScriptCyberChef architecture
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60