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NOTE: If you have no experience doing binex try some simple BOF tutorials, do some BOFs on your own machine and try to understand exactly what is going on. Then move on to simple ROP tutorials. Then finally apply what you’ve learned to the binary on your own machine.

IPSec guide on Bitterman: https://www.youtube.com/watch?v=6S4A2nhHdWg

  1. nmap -Pn -sC -sV -O 10.10.10.147 (samt -p-) 22/tcp open ssh OpenSSH 7.4p1 Debian 10+deb9u6 (protocol 2.0) 80/tcp open http Apache httpd 2.4.25 ((Debian)) 1337/tcp open waste

  2. Look at the Source of the Debian Default Page (port 80), on the top there’s a comment.

Download the file: 10.10.10.147/myapp

3.

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1.