2021/09/01 - CTF , Reverse Engineering

The challenge involved reverse-engineering a compiled 64-bit ELF PIE executable to extract an encoded flag hidden in memory.

2021/07/15 - Reverse Engineering , Shell , cve

During my last vacation soaking up the sun in Okinawa, I stayed at a beautiful hotel right by the sea. One morning while having breakfast, I noticed that my hotel room ...

2021/06/12 - CTF , Reverse Engineering

For this challenge we can download a compiled C file called "crackme2_1.out". When I execute the file, a simple addition of 3 numbers, randomly generate, is required to ...

2021/06/06 - CTF , Reverse Engineering

For this challenge we can download a compiled C file called "crackme1_1.out". When I execute the file, a password seems to be required to retrieve the flag.