Websockets Request Smuggling — TryHackMe Walkthrough

Описание: 🔥 Learn how attackers smuggle HTTP requests through proxies using WebSocket vulnerabilities in this in-depth TryHackMe walkthrough! I'll show you advanced request smuggling techniques and how to exploit misconfigured proxies.

In this comprehensive guide to WebSocket Request Smuggling, you'll learn:

How WebSockets work and the upgrade handshake process
Why proxies become vulnerable during WebSocket upgrades
How to exploit proxies that don't validate upgrade responses
Techniques for smuggling HTTP requests through WebSocket tunnels
How to bypass frontend proxy restrictions using invalid WebSocket versions
Advanced exploitation using SSRF to fake WebSocket upgrades
Defeating secure proxies with 101 response injection
Practical demonstrations with Burp Suite and hands-on labs

⏱️ Timestamps
00:00 Introduction
00:41 What is WebSockets?
02:58 Abusing Websockets for Request Smuggling
13:14 Defeating Secure Proxies
21:34 Conclusion

🔗 Resources & Further Reading

TryHackMe Room: Request Smuggling WebSockets
OWASP HTTP Request Smuggling Guide: https://owasp.org/www-community/attac...
Full Web App Pentesting Playlist:    • TryHackMe - Web App Pentesting  

🛠️ Tools Used

Burp Suite
Python HTTP Server
Netcat
TryHackMe Lab Environment

💡 Key Takeaways

This vulnerability demonstrates why proper validation of protocol upgrades is critical in proxy configurations. Even modern proxies like Nginx can be vulnerable if they don't correctly handle edge cases in WebSocket handshakes.

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#WebSockets #RequestSmuggling #WebAppPenTesting #TryHackMe #EthicalHacking #BurpSuite #Cybersecurity #InfoSec