This DDoS Attack... 398 million requests per second. (A demo of HTTP/2 Rapid Reset)

Grant Collins
Grant Collins
11,301
0
Published 2023-11-15
398 Million Requests Per Second. 155 Million Requests Per Second. 201 Millions Requests Per Second. Dem packets be flyin'. In this video, I explore and demo CVE-2023-44487, the novel HTTP/2 Rapid Reset Attack zero-day. A feature rather than an inherent bug.

⏰ Timestamps:
0:00 - Introduction
0:41 - Background Information
1:38 - HTTP/2 vs HTTP/1.1
4:27 - Demo (DDoS Apache2 Web Server)
10:11 - Mitigations
11:17 - Conclusion

πŸ”— Links Mentioned:
- Rapid Reset Client (PoC): github.com/secengjeff/rapidresetclient
- New 'HTTP/2 Rapid Reset' zero-day attack breaks DDoS records: www.bleepingcomputer.com/news/security/new-http-2-…
- How it works: The novel HTTP/2 β€˜Rapid Reset’ DDoS attack: cloud.google.com/blog/products/identity-security/h…
- HTTP/2 and How it Works (A good primer on differences between HTTP/1.1 vs HTTP/2): cabulous.medium.com/http-2-and-how-it-works-9f6454…

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All Comments (9)
  • @AbusedHerJaw
    Hey Grant, I just recently came across your videos and I just wanted to say that your awesome bro keep putting out these good informational videos.
  • @machina123
    Add one more thing: DDoS'er s' favorite thing is also a dark room with big headset 8:45 Why not to try running it on low powered VM ? It would use the resources which you have given to it, so the illustration might be better.
  • @thebello809
    This is nothing to a well structured firewall πŸ˜‚