The Art of Bootloader Unlocking - Exploiting Samsung Sboot

The Art of Bootloader Unlocking - Exploiting Samsung Sboot

nullcon via YouTube Direct link

Intro

1 of 23

1 of 23

Intro

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The Art of Bootloader Unlocking - Exploiting Samsung Sboot

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  1. 1 Intro
  2. 2 Modern OS Security
  3. 3 Samsung's Secure Boot Process
  4. 4 BL2 components
  5. 5 Odin: The Samsung Flashing Tool
  6. 6 Put Phone Into Download Mode
  7. 7 process packet(): Write Data to Buf
  8. 8 Hold Your Horses
  9. 9 Mystery Mode
  10. 10 Upload Mode: What Did We Stumble Into?
  11. 11 Breakthrough: Memory Dump
  12. 12 Some Suspicious String Pointers
  13. 13 Finding the Secret Terminal
  14. 14 Normal USB Connection
  15. 15 USB Multiplexing on Samsungs
  16. 16 Shorting the GND and I pins with variable resistance micro B USB Jack
  17. 17 Looking for the Right Resistance
  18. 18 The Samsung Anyway Jig
  19. 19 Building Our Own Jig
  20. 20 call bl commando parses terminal
  21. 21 Let's Dump the Stack!
  22. 22 The Exploit
  23. 23 What's Next?

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