Backdooring with Metadata

Backdooring with Metadata

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Introduction to BACE (Cont.)

3 of 17

3 of 17

Introduction to BACE (Cont.)

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Backdooring with Metadata

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  1. 1 Intro
  2. 2 Failure Point #1 in Userland Backdoors
  3. 3 Introduction to BACE (Cont.)
  4. 4 Quick Overview of chmod and setuid Mechanism
  5. 5 BACE + chmod, setuid = Backdoor via Metadata
  6. 6 Direct Command
  7. 7 Pros/Cons of this Method
  8. 8 Method #1 vs Traditional Rootshell Backdoor
  9. 9 Fun Fact: en is a cross-platform BACE!
  10. 10 Environment Variables
  11. 11 Hello setuid-wrapper.c
  12. 12 Spawning a Process
  13. 13 Demo of /usr/bin/python
  14. 14 Releasing The BACE Excel Sheet
  15. 15 Ideas for Detecting & Mitigating the Methods
  16. 16 Ideas for Future Methods
  17. 17 Acknowledgement

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