High Scores in Cocoa
- hack the game code statically (find the routine that sends the score and change the assembler to modify the score just before it's sent.
- hack the game code statically and multiply all the points that are assigned by (say) 2 so that their score is higher in-game.
- find the code that does the encryption, extract it and write a little command-line tool to submit whatever high-score they choose.
- break the encryption (probably by disassembling the code to figure out the encryption scheme), then intercept the TCP packet before it leaves their machine and change the number.
Well, the first and second options aren't really that difficult (particularly if function symbols are still in the executable). I mean, there's at least one game I've used GDB to get around trial period expiry so there's undoubtedly other less scrupulous people who'd think hacking their way to a high-score was good fun...
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