wtf_B0T
Category: Crypto
50 points
Join the discord server!You know how to ask bot for flag or help. Don’t you?
Author: madjelly
Solution
I was wondering why this is Crypto
challenge, but when I checked the Discord everything became clear.
Vigenere
cipher was my first guess, but despite my suspicious it took me a while to get the flag ;-)
For decryption I used my favourite site with ciphers -> https://www.dcode.fr/vigenere-cipher
I’ve started with attempt to decrypt the key
by attempting to decrypt the whole with known wtfCTF
prefix. IAMGRO
unfortunately wasn’t the complete key
(that’s why it took me a while), but finally I’ve realized that correct key
is IAMGROOT
, which gave me below.
Flag
wtfCTF{D15c0rd_B0t_m4st3r}