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Challenge: Test REstringer against MeowShield protected samples #155

@qq185863818

Description

@qq185863818

Hi,

I would like to present MeowShield as a challenge target for REstringer.

Main site:
https://meowshield.com/

Demo samples:
https://github.com/qq185863818/MeowShield/tree/main/demo-md5

MeowShield is a JavaScript obfuscator focused on advanced protection techniques, including:

  • Control flow transformations
  • Logical expression obfuscation
  • Instruction-level transformations
  • Dynamic obfuscation techniques
  • Anti-debugging protections
  • Integrity checks
  • Structural and semantic obfuscation

The demo-md5 repository contains protected JavaScript samples that can be directly tested using REstringer.

I’m interested in seeing:

  • Whether REstringer can reconstruct original logic
  • Whether it can recover control flow or simplify expressions
  • Whether string reconstruction and evaluation modules can resolve protected constants
  • How well it handles more complex structural transformations

This is intended as a research and challenge exercise.

Any analysis, results, limitations, or successful deobfuscation attempts would be greatly appreciated.

Thank you for your work on REstringer.

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