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