kashiCTF 2026 - Sanity

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

Solution

The following encoded string was found:

1
Tk5RWEcyREpJTktFTTYzVU5CVVhHWDNYTUZaVjYzVFBPUlBXUVlMU01SNlFVPT09Cg==
  1. Base64 Decoding: Decoding the string once results in a Base32-encoded string. 
    1
    NNQXG2DJINKEM63UNBUXGX3XMFZV63TPORPWQYLSMR6QU===
  2. Base32 Decoding: Decoding the resulting string

Flag

kashiCTF{this_was_not_hard}