Comment on Can you Crack It? Break this cypher, get an interview with GCHQparentComments−ctz14ySpoiler: because the image displays some x86 code (its RC4 with a fixed key), the image file itself contains the ciphertext (in a PNG iTXt block).
Comments
Spoiler: because the image displays some x86 code (its RC4 with a fixed key), the image file itself contains the ciphertext (in a PNG iTXt block).