LLM-Assisted Reverse Engineering

Large Language Model-Assisted Reverse Engineering

Definition

Process of using LLMs (like Claude) to analyze compiled code, binaries, or web app JavaScript to understand and replicate functionality without official documentation or API access. Can be done dynamically through browser automation.

Examples in the Wild

  • Example 1:Feeding LinkedIn's compiled JS binary to Claude to reverse-engineer messenger inbox
  • Example 2:Using Playwright to dynamically access and reverse-engineer web app behavior
  • Example 3:Building local-first CLI tools by reverse-engineering proprietary APIs