~/talk

How hacking works - Web edition

Talkat NDC London 2024 · 2024-01-29..02-02· [security, web-platform]
slides:none on file

A mini CTF on GitHub runs via Docker compose and reproduces three concrete web exploits: a PHP basename + locale/regex angle that leaks config.php, an image EXIF trick that embeds and executes PHP using exiftool after renaming to .php, and an insecure npm node-serialize deserialization that spawns a reverse shell; tooling shown includes whatweb and base64 cookie tampering, surprising outcomes include one student claiming 73 cinnamon buns, ~2,393 weekly downloads of the vulnerable package, and 5,941 CTF applicants.

AI-written summary · about

  1. 0:00Introduction
  2. 3:06Hollywood hacking
  3. 5:01The evolution of hacking
  4. 8:45Hacker types and motivations
  5. 11:41The cinnamon bun incident
  6. 15:28Lessons from failure
  7. 17:54Capture the flag basics
  8. 22:19Web security landscape
  9. 25:32CTF resources
  10. 28:20Demo: Santa's Bingo
  11. 35:42Demo: Receipt uploader
  12. 40:58Demo: Serial killers
  13. 48:52Takeaways and Q&A
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