Dec 04
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
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
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
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
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 01
This service was on exploiting, understanding udp protocol and process of sign data. ps3game files Summary: reversing, crypto, rsa, tea hash, udp sign
Sep 30
Today October 10 (153) 2011 Xakep (“Hacker”) magazine issued with our (team IV) Defcon CTF report. Full article you can find when you buy the magazine.
Sep 25
Category: reversing Thanks to a former employee of FluxScience (one of our competitors), we managed to get hands on some important files which might help us revealing company secrets. Attached you will find the files. The employee who provided them got fired. You might be lucky and find his account still working: FLUX-38B273DD75860083-0B3DD6B02EC5B9B1-4AFFBAC2EB8B4D17 He might …
Sep 13
This challenge was on logic and understanding of the bloom filter. The binary is for FreeBSD. binary Summary: understanding of the bloom filter, bruteforce bloom filter set.
Sep 13
This challenge was on remote exploiting. The binary is for FreeBSD. binary Summary: bruteforce password, buffer overflow, jump to shellcode
Aug 12
LeetMore in the Team IV took 4th place in the DEFCON 19 CTF FINAL! Congratulations guys! This is definitely a great achievement! Proof: http://ddtek.biz
