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Labs / Admin Portal Breach

  • Daily Challenge
  • Released 21 Aug 2025

🔐 Can you crack your way into this corporate admin portal?

You've stumbled upon TechFlow Solutions' corporate administrative portal during a security assessment. 💼 The login interface looks professionally secured, but something feels off about the authentication mechanism. 🔍 Can you analyze the client-side code to uncover hidden vulnerabilities and crack your way into the admin area? This challenge will teach you essential MD5 cracking and authentication bypass techniques used in real-world penetration testing. 🎯

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Launch your dedicated AWS machine to begin hacking

~1-2 min setup
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Private instance
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Daily Challenge

Admin Portal Breach - Challenge Description

Challenge Overview

Welcome to Admin Portal Breach! During a penetration test of TechFlow Solutions, you've discovered their administrative portal with client-side authentication. Your mission is to analyze the login mechanism, identify security weaknesses, and gain unauthorized access to the administrative area to retrieve sensitive information.

Learning Objectives

  • Master client-side authentication bypass techniques and source code analysis
  • Learn to identify and exploit weak password hashing implementations
  • Understand MD5 hash cracking using rainbow tables and dictionary attacks
  • Practice realistic web application security assessment scenarios

Challenge Details

TechFlow Solutions has implemented a corporate administrative portal with what appears to be secure password protection. However, the authentication mechanism relies entirely on client-side validation with MD5 hashing. Your task is to analyze the JavaScript code, extract the password hash, crack it using appropriate techniques, and gain access to the secure administrative area.

Technical Background

Client-side authentication is a critical security vulnerability commonly found in web applications. When authentication logic is implemented in JavaScript, attackers can easily analyze the code, extract hashed credentials, and bypass security measures. MD5, while fast for legitimate purposes, is cryptographically broken and vulnerable to rainbow table attacks and brute force cracking, making it unsuitable for password security.