~/talk

HTTP/2 & Quic - Teaching Good Protocols to Do Bad Things

Talkat Black Hat USA 2016 · 2016-08-03..08-04· [web-platform, security]
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HTTP/2 adoption reaches roughly 15% of the Alexa top 1M and QUIC already appears on many Google properties and over a billion Chrome clients, while ~93% of networks allow outbound UDP on ports 80/443. The talk shows a working H1↔QUIC proxy tunnel that carries a reverse shell — it succeeds but interactive sessions are borderline unusable due to multiplexing and implementation limits. Wireshark mostly shows encrypted garbage; a tiny C-based QUIC detector (ntop-derived) finds packets; tools and code are slated for release.

AI-written summary · about

  1. 0:00Welcome and introductions
  2. 1:24Speaker backgrounds
  3. 3:03Protocol teasers
  4. 5:04Need for new protocols
  5. 5:55Protocol impact
  6. 8:35TCP limitations
  7. 10:57Shift to HTTP/2 and QUIC
  8. 12:54Protocol evolution
  9. 14:33Current deployment statistics
  10. 17:30Multiplexing concepts
  11. 19:48HTTP/2 technical details
  12. 27:48QUIC technical details
  13. 32:20Exploiting new protocols
  14. 39:23Network security challenges
  15. 41:22Detection and defense
  16. 44:21Analysis tools
  17. 45:59Conclusions and Q&A
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