Browse my latest writeups and articles.
Looks like Korovax has exposed some development comment lines accidentally. Can you get one of the secrets through this mistake?
We want you to be a member of the Cyber Defense Group! Your invitation has been encoded to avoid being detected by COViD’s sensors. Decipher the invitation and join in the fight!
It looks like COViD's mobile application is connecting to this API! Fortunately, our agents stole part of the source code. Can you find a way to log in?
We discovered a web portal used by COViD as a C2 platform to send messages to his ransomware victims. They have a script that accesses and hacks the websites posted back to the server! Can you stop them?
A CTF challenge where we need to patch a PE file to retrieve the flag.
A binary challenge where the goal is to extract a flag using GDB.
A binary challenge where the goal is to overflow a buffer to overwrite a local variable.