Hey! This is the writeup on wormholing. Essentially, it allows you to score 1st place without solving any tasks :)
Category: Writeups
Jan 08
GitS 2012 Teaser AL’s Revenge
Category: reverse, crypto Summary: LLVM bytecode with polynomial inversion file
Dec 04
iCTF 2011. Challenge 30 ($500)
There is encrypted file “reverse2.7z.enc”. So if you look careful you see repeated pattern:
Dec 04
iCTF 2011. Challenge 31 ($ ?)
Program is not packed x86 executable ELF file. There is a very easy logic here. Secret information about bank account is generated from input code.
Dec 04
iCTF 2011. Challenge 32 ($ ?)
Program is not packed x86 executable ELF file. There is a very easy logic here. Secret information about bank account is generated from input code.
Dec 04
iCTF2011. Challenge 33 ($100)
There is file “reverse5”, but if you look at that, you don’t see executable file at all. It is some “binary trash”. Size is 991117 bytes and it looks like a packed one (large entropy).
Dec 03
The significant game, but EPIC FAIL! 2th on iCTF 2011
First of all, big thanks for UCSBiCTF ! It was really GREAT game!There are good task and services! We played as More Smoked Leet Chicken (Leet More + Smoked Chicken) and It was the best game of those that I remember! We have done a lot of tasks (most of all, if I’m not mistaken), had a lot of fun! But had …
Oct 09
EnoWars CTF – GTFO (300 Pts)
Category: reverse, network While trying to figure out how to leave, you notice some Rhynchodos millenios. It’s really surprising to see one of those. Remember that documentary they had on Discovery Channel? They were pretty much the cheapest ships you could get. And they sucked. Big time. Being built with the cheapest materials around and …
Oct 08
EnoWars CTF – Get On Board (500)
Category: crypto There is also this nice new spaceship in the hangar just waiting for us. Some old-school mobil terminal describes it as: “The Heart of Gold is the sleekest, most advanced, coolest spaceship in the galaxy. “Its stunning good looks mirror its awesome speed and power. It is powered by the revolutionary new Infinite …
Oct 08
EnoWars CTF – Invaders 100 pts
Are you ready to fight? Jedimaster: We can’t afford to wait any longer. Energy I’ll use to defeat their spaceships and clear the way for our troops. Just me give a figher EnoInvaders.tar.gz Hash Summary: packet analyze, a little reverse
Oct 02
rwth2011 CTF – mastermind
Mastermind was an easy service, written on Ruby. Download (mmd.rb and mmd.db) Summary: SQL Injection, guessable id’s, guessable flag (by id)
Oct 01
rwth2011 CTF – ps3game
This service was on exploiting, understanding udp protocol and process of sign data. ps3game files Summary: reversing, crypto, rsa, tea hash, udp sign