TWCTF 2017 – Solutions for BabyPinhole, Liar’s Trap, Palindrome Pairs Challenge

Scripts with short explanations: BabyPinhole (crypto 163) Liar’s Trap (crypto/ppc 281) Palindrome Pairs – Challenge Phase (ppc 63+337)


HITCON CTF QUALS 2016 – Reverse (Reverse + PPC 500)

At least our ETA is better than M$. reverse.bin Summary: optimizing an algorithm using Treap data structure and CRC32 properties.


Sudden CTF syndrome

Happy new 2014 and merry Orthodox Christmas if you’re religious ;-D Maybe you already know hack you and hack you too, so I won’t even say that hack you is an individual CTF that we originally held for our university freshmen and opened it for everyone interested in the world. Couple days after this New… Continue reading »


Announcing hackyou CTF

It’s fall already and that means the new CTF season is starting, and so is the new academic year in our university. This is the time when we want to attract more freshmen into our CTF tarpit ;-D So we are running – a CTF. But it’s not just for them. Wouldn’t it be fun… Continue reading »