TryHackMe Authentication Bypass - Full Walkthrough 2025

🎯 Learn how to defeat logins and other authentication mechanisms to allow you access to unpermitted areas. 🔗🔗 Room Link: https://tryhackme.com/room/authenticationbypass 🎯 Room Tasks: 🎯 🐣 [00:00] Task 1: Brief 🍊 [01:00] Task 2: Username Enumeration (ffuf) - What is the username starting with si*** ? - What is the username starting with st*** ? - What is the username starting with ro**** ? 🦊 [07:15] Task 3: Brute Force (ffuf, Hydra) - What is the valid username and password (format: username/password)? 🐓 [10:50] Task 4: Logic Flaw - What is the flag from Robert's support ticket? ⚡[28:34] Task 5: Cookie Tampering - What is the flag from changing the plain text cookie values? - What is the value of the md5 hash 3b2a1053e3270077456a79192070aa78 ? - What is the base64 decoded value of VEhNe0JBU0U2NF9FTkNPRElOR30= ? - Encode the following value using base64 {"id":1,"admin":true} 🎯 Tools Used in the Room: 🎯 📌- Curl 📌- ffuf 📌- Hydra 📌- Cyberchef: https://gchq.github.io/CyberChef/ 📌- crackstation: https://crackstation.net/ ⚠️ Educational Purpose Only This content is for educational and authorized penetration testing purposes only. Always ensure you have permission before testing on any systems. #tryhackme