Hex Speak

Cryptography 100 pts standard

Challenge Description

A careless developer realized that logging raw flags in hex was too obvious after the last breach. So this time, before dumping the memory into logs, they applied a simple XOR obfuscation and then converted it into Hex.

Flag format: HackCTF{...}

Files

↓ dump_hard.txt

Hints

        
          View Hint : Hints

Hints:

Hint 1: The string only contains numbers and the letters A, B, C, D, E, and F. This is a base-16 system.

Hint 2: Every two characters in Hex represent one single letter in ASCII (e.g., 48 = H).

Hint 3: Use CyberChef and look for the "From Hex" operation.

Hex Speak

Challenge Description

Files

Hints

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