The Hacks Behind Cracking, Part 1: How to Bypass Software Registration

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how to crack software registration key

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The Hacks Behind Cracking, Part 1: Even with today’s most advanced methods of defeating piracy in place, it is still relatively easy to crack almost any program in the world. This is mainly due to computer processes’ ability to be completely manipulated by an assembly debugger. Using this, you can completely bypass the registration process by making it skip the application’s key code verification process without using a valid key.

This works because assembly allows you to speak directly to the processor and force a skip over the registration process. In this Null Byte , let’s go over how cracking could work in practice by looking at an example program a program that serves no purpose other than for me to hack.

I will not be walking you through how to actually crack a legitimate program, because I can’t just crack a program for demonstration, but the techniques applied to my examples should give you the foundation needed to create your own. At that point, it’s a test of your morals if you want to use your knowledge for good or bad. Requirements Windows for examples only, debuggers exist across platforms A debugger installed: IDA , ollydbg , etc. This is to verify that we can come up with the keys.

Step 2 Run the Program in a Debugger Run ollydbg. Open up the program you wish to bypass with ollydbg. Click the play button to run the program with the debugger attached. Search for high interest DLLs. By stepping into the function with the debugger, we can examine the registration specifically. Test to see which one works to break out of the activation loop by right clicking the DLL call and setting a breakpoint for all instances of that call. Resume the program and enter any software key you feel like.

If the debugger breaks pauses the program’s execution after entering your key, then you know you found DLL in step 5. EAX is the return of a value, which means that a check is being performed here. Upon examination, we can see that the EAX is checking for a number that is not equal to a null value.

This means that if it is replaced with anything other than null, it will run. Right-click the EAX and change it in hex value to 1, instead of 0. Resume the program again, and you will have successfully activated the program.

And for proof it was registered to me: This works because you are making the process jump from one register and skip the one that verifies the key entered. To exploit the key registration algorithm, keep an eye out for part two of this tutorial on making the key generator. Hooray for assembly! Post to the forums.

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The Hacks Behind Cracking, Part 1: Even with today’s most advanced methods of defeating piracy in place, it is still relatively easy to crack almost any program in the world. This is mainly due to computer processes’ ability to be completely manipulated by an assembly debugger. Using this, you can completely bypass the registration process by making it skip the application’s key code verification process without using a valid key.

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Want to crack serial key for Adobe products? Here is another best tool that is effective enough to find serial key for almost any software. Using this, you can completely crack software license process by making it skip the application’s key code verification process without using a. If you’ve ever wondered how software pirates can take software and To exploit the key registration algorithm, keep an eye out for part two of.

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