Oct
31

Hack.lu 2010 CTF #3, #11, #14 (Most Epic Challenges :) writeup

Task #3 – Like skies that are so blue Sometime even pirates have a lazy sunday… download 0.  1. Open in your favorite image editor (ms paint) 2. Do a fill: 3. Md5 of the original file is the answer: 032c49411912397eea2a7d906dab5f7e Task #11 – Ecrime Business Cap’n Bill Greasepalms wants to start an ecrime business.… Continue reading »

Sep
21

Leet More 2010 LameHackers writeup

Category: crypto Greetings from LameHackers Inc.! We have hacked into the internal Pentagon computer system and managed to steal their text-file-where-they-keep-the-root-password. But the password doesn’t work :( Can you help us? File Ok, first of all I want to thank everyone participating in Leet More 2010, it was a cool competition, though on wednesday. And… Continue reading »

Sep
15

Leet More 2010 ELF Quest writeup

Find the hidden message. file Try the file tool and u’ll be told it is an ELF file. But any other tools say the header is corrupted and if you compare it with true ELF header, you will know it’s a trash. A good thing for further analysis is to count chars. 73 30 6d… Continue reading »

Sep
15

Leet More 2010 Time Traveller writeup

A scientist who worked on the issue of space-time continuum, suddenly disappeared. He left only a mysterious drawing in a notebook. There is a suspicion that he traveled back in time. In what year did he travel? And what is his name? There are only 2 breaks in this maze. Let’s try to find the… Continue reading »