In this tutorial you will learn how to crack any type of software protection usingW32Dasm and HIEW.

Run the program, game, etc., (SoftwareX) that you want to crack without the CD in theCD reader. SoftwareX will not run of course, however, when the error window pops up it will give you all of the vital information that you need to crack the program, so be sure towrite down what it says.

Now, run Win32Dasm. On the file menu open DISASSEMBLER & OPEN FILE TODISASSEMBLE. Select SoftwareX’s executable file in the popup window that willappear (e.g. SoftwareX.exe). W32Dasm may take several minutes to disassemble the file.

When W32Dasm finishes disassembling the file it will display unrecognizable text; this iswhat we want. Click on the String Data References button. Scroll through the String DataItems until you find SoftwareX’s error message. When you locate it, double click theerror message and then close the window to return to the Win32Dasm text. You willnotice that you have been moved somewhere within the SoftwareX’s check routine; thisis where the error message in generated.

Now comes the difficult part, so be careful. To crack SoftwareX’s protection you mustknow the @offset of every call and jump command. Write down every call and jump@offset number that you see (You have to be sure, that the OPBAR change its used colorto green). You need the number behind the @offset without the “h.”

Now open HIEW, locate SoftwareX’s executable, and press the F4 key. At this point apopup window will appear with 3 options: Text, Hex, and Decode. Click on “Decode” tosee a list of numbers. Now press the F5 key and enter the number that was extracted usingWin32Dasm. After you have entered the number you will be taken to SoftwareX’s check routine within HIEW.

To continue you must understand this paragraph. If the command that you are taken to isE92BF9BF74, for example, it means that the command equals 5 bytes. Every 2 digitsequal one byte: E9-2B-F9-BF-74 => 10 digits => 5 bytes. If you understood this then youcan continue.

Press F3 (Edit), this will allow you to edit the 10 digits. Replace the 5 bytes with thedigits 90. In other words, E92BF9BF74 will become 9090909090 (90-90-90-90-90).After you complete this step press the F10 key to exit.Congratulations! You just cracked SoftwareX!

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