kashiCTF 2026 - Sanity

The flag was hidden in the #rules channel of the kashiCTF Discord server.

Solution

The following encoded string was found:

Tk5RWEcyREpJTktFTTYzVU5CVVhHWDNYTUZaVjYzVFBPUlBXUVlMU01SNlFVPT09Cg==

1. Base64 Decoding: Decoding the string once results in a Base32-encoded string.

   NNQXG2DJINKEM63UNBUXGX3XMFZV63TPORPWQYLSMR6QU===

2. Base32 Decoding: Decoding the resulting string

Flag

kashiCTF{this_was_not_hard}