NOTE With estimates over 100,000 computers impacted globally thus far, many people received unwelcome notes Friday similar to those below demanding a fee to decrypt their files. While the notes pro...

Initial Analysis We initially got a .rar archive file and extracting ti gave a file named chall.gb which has extension of .gb which means its a GameBoy rom file So we likely have to find the flag f...

Note This is my first writeup so it may be a bit confusing to understand and I apologize for that. Initial View At first I checked if the executable is 64bit or 32bit and confirmed its a 32bit PE(...