README.md

ch02

Reverse Engineering - Points: 477

not so good encryption

my crypto ends at xor (｡•̀ᴗ-)✧

Author

        X3eRo0

nsge

The input is xor'ed with 0x21, then xor'ed with data field in binary and should result zero for equality, so xor'ing this data with 0x21 gives the flag.

flag: rooters{x0r_e4x_e4x}ctf