~/talk

"Cold Case - Catch a Killer in 16 Bytes"

Talkat BSides Canberra 2021 · 2021-04-09..04-10· [security]
name:Iggy
links:none on file
slides:none on file

A Kodak C513 compact camera has 16 megabytes of internal NAND organized as a FAT12 filesystem that can hold up to 41 images; commercial tools (Photorec, Binwalk) and a vendor chip-off image fail to carve files because each 528‑byte page includes a 16‑byte spare area. A DIY chip reader (TNT4 dev board, TL866-style programmer), hex editor and a small C utility that strips the 16‑byte spare per page successfully reconstructs images — yielding 17 pictures.

AI-written summary · about

  1. 0:00Intro
  2. 0:36Disclaimer
  3. 1:29Iggys background
  4. 3:15The device
  5. 3:59The forensics team
  6. 4:37Photo recovery
  7. 6:09Magic numbers
  8. 7:20Wikipedia
  9. 8:03Hex Editor
  10. 8:36Magic Number List
  11. 9:03Boot Record
  12. 9:37File System
  13. 10:05Binwalk
  14. 10:34Im Desperate
  15. 10:53Red SOX
  16. 11:32Engineering Requirements
  17. 12:22Additional Information
  18. 12:58Taking Photos
  19. 13:37Xenon Tubes
  20. 14:35Nand
  21. 14:57Chip off
  22. 16:09Data sheet
  23. 17:02Dev board
  24. 17:40Writing code
  25. 18:20Image comparisons
  26. 19:03File allocation tables
  27. 20:22File allocation utility
  28. 21:40What I learned
  29. 22:47Critical evidence uncovered
  30. 23:27Hardware hacking
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