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FunCaptcha Security Research

⚠️ ACADEMIC RESEARCH USE ONLY

📋 Complete Legal Disclaimer & Terms of Use →

This repository is designed for academic research and authorized security analysis of CAPTCHA systems in controlled environments that comply with all applicable laws and institutional ethics guidelines.


Research Overview

This repository contains educational materials for security researchers and accessibility analysts studying CAPTCHA implementation patterns and browser interaction mechanisms in authorized testing environments. The research focuses on understanding the technical aspects of challenge-response systems for academic purposes.

Educational Resources

Code Analysis Tools

  • Code transformation utilities for educational analysis of obfuscated JavaScript
  • AST manipulation tools for understanding code structure patterns
  • Deobfuscation methodologies for academic research purposes

Research Methodology

The repository includes tools and techniques for:

  • Static code analysis of CAPTCHA implementations
  • Understanding client-side challenge mechanisms
  • Browser automation compatibility studies
  • Accessibility research for assistive technologies

Technical Documentation

Key Components

  • index.js - Main analysis engine with AST transformation utilities
  • utils.js - Helper functions for code pattern analysis
  • funcaptcha.transformed.js - Educational sample for analysis methodology
  • test/ - Research validation scripts

Analysis Approach

The research methodology involves examining the .fpData patterns in transformed JavaScript to understand:

  • Client-side fingerprinting techniques
  • Challenge generation mechanisms
  • Browser compatibility requirements
  • Accessibility considerations

Important Usage Guidelines

⚠️ This repository is strictly for academic research and authorized security analysis

Requirements

  • Only use in controlled testing environments
  • Ensure proper institutional approval before conducting research
  • Comply with all applicable laws and regulations
  • Respect terms of service of all systems
  • Follow ethical research guidelines

Installation for Research

npm install
node index.js  # For educational analysis only

Dependencies

  • Babel ecosystem for AST manipulation
  • Puppeteer for browser automation research
  • Axios for network pattern analysis
  • Prettier for code formatting

Academic Applications

This research is valuable for:

  • Accessibility studies - Understanding CAPTCHA barriers for assistive technologies
  • Browser compatibility research - Analyzing cross-platform implementation differences
  • Security education - Teaching defensive programming concepts
  • Web standards research - Studying client-side security patterns

Compliance Notice

By using this repository, you acknowledge compliance with the complete disclaimer and accept full responsibility for lawful use.

All research materials are intended for educational and authorized testing purposes only in compliance with applicable laws and institutional guidelines.

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