He then uses a simple crackme prolixe_keygenme1 to show how software crackers work their way through a binary. He talks about Ollydbg in detail - the screen organization, shortcuts, how to run / pause programs, setting / removing breakpoints and how to inspect memory / code in a running program. Spiffomatic64 starts with a basic introduction to the tools of the trade - Ollydbg and Peid. In this awesome video created by Spiffomatic64, we learn about the basics of software cracking. This allows users to generate arbitrary valid keys / serials for the program.

Alternately, he can also reverse engineer the key / serial comparison routines and write a keygen for the program.

He then proceeds to alter the behavior of the program by finding and changing (patching) the routines responsible for the security mechanisms, in order to allow full unlimited access to the program. A Cracker works his way through a program by disassembling it and understanding the security protections built into it. Generally software cracks are distributed in the form of patches to the original software or keygen programs which generate arbitrary key / serial combinations. Software Cracking is the art of breaking security protections in a software.

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