English [IceCTF 2016] [Crypto 140 – Sand Castle] Write Up

Description

We found this very mysterious image, it doesn’t look complete and there seems to be something hidden on it… does this mean anything to you?
sandcastle_d4ba9f13fe0b0da8778f07f068c7bc2179494459d38d4a25ba5af1beb01f1201
This flag is not in the standard flag format. The flag contains digits and no special characters, convert the message to lowercase and then add IceCTF{message} to it.

Continue reading [IceCTF 2016] [Crypto 140 – Sand Castle] Write Up