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cromulon-takeover

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Category: Reversing/Pwn

Author: neo

Description

Rick is trying to build a server to let people send their songs to the Cromulons. If they really like your song, they might even reward you with a part of the flag. Make sure the checksum of your packets is correct though, you definitely don't wanna anger the Cromulons! I heard they are so powerful they can make your brain leak out of your ears...

Reveal Spoiler The checksum calculation function has a 1-byte leak when the size of the packet is odd. Contentants need to