Whitelisting LD PRELOAD for Fun and No Profit

Whitelisting LD PRELOAD for Fun and No Profit

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Intro

1 of 23

1 of 23

Intro

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Whitelisting LD PRELOAD for Fun and No Profit

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  1. 1 Intro
  2. 2 Intro to LD_PRELOAD
  3. 3 Make It Persistent
  4. 4 It Can Be Good!
  5. 5 Evil Use Cases
  6. 6 Hooking Functions
  7. 7 Hooking Example
  8. 8 Execution on Load
  9. 9 Execution Example
  10. 10 The rtld-audit Subsystem
  11. 11 Lots of functions
  12. 12 At First, I Wanted to Log
  13. 13 Intercept Before Load
  14. 14 Let's Block Some Preloads!
  15. 15 Unauthorized Preloads
  16. 16 Monitor & Block Preloads
  17. 17 Enter Libpreloadvaccine!
  18. 18 Simple Logic
  19. 19 Simple Authorized List
  20. 20 Simple Deployment
  21. 21 Catch it in Action!
  22. 22 And Bypass it After!
  23. 23 Keep Security Close to Code

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