CTF-practice-evening:2014-08-04

CTF-practice-evening:2014-08-04
Date	2014/08/04
Time
Location	ACTA
Type	Workshop
Contact	Melanie

Capture The Flag evening - Part 23

• 4 August, 2014 - 7 PM
• Please bring along a laptop with you!!!

General CTF Info

• See the page for the Ctf-evenings
• Link to the Tech Inc Challenge Website Scoreboard

Binary Exploitation

• Brainsmoke is talking about binary exploitation today
• objdump -d: see the disassembly, sometimes you can see symbols
  • This example has mangled C++ symbols
• The program appears to be a daemon of some kind - a Socks proxy
  • This is a proxy for TCP - we can look at the protocol details w/ Google
  • netstat -
  • What was added between Socks4 and Socks5? (there might be a bug) - Authentication and connecting directly to a domain