You probably already heard about Superfish adware that was pre-installed on Lenovo PCs, if not you can read it here. In this blogpost I’m making an attempt to analyze it.
Ghost in the Shellcode 2015: Pirate’s Treasure 500 write-up
This task is a standard keygenme. Solving it would get you 500 points, which is a bit high for the difficulity.
OlympicCTF: Binathlon 400 write-up
This task was unusual and old school.
Fooled by Andromeda
There is a malware with name “Andromeda”, that recently started to spread again.
How to create an anonymous IDA PRO database (.IDB)
Probably it’s not secret for you that every .IDB files contains header with your license information.