CrossCTF_2017: Go Deep

Category: Cryptography Points: 15 Description:

We intercepted this mystery message. Could you figure out what it is?


A classic rabbit hole challenge where the organizers run out of ideas and decide to encode the flag behind layers of encodings.


$ ./ 
CrossCTF{[email protected]_h1v3_70_90_d33p}

Therefore, the flag is CrossCTF{[email protected]_h1v3_70_90_d33p}.