asifpervez
February 3rd, 2007, 03:30
Hi,
I am trying to crack a Demo software -
I did not read the FAQ-. The protection they have is that software don't let us to save any thing. So I cant get my results
Please help me to solve this problem, I have little knowledge of C++ and VB.
Thanks
Silkut
February 3rd, 2007, 04:15
Hi,
I highly suggest you to read the FAQ, because you are currently breaking a lots of rules established here.
Regards.
FrankRizzo
February 3rd, 2007, 11:49
I assume that you've read the FAQ, and that you're now back in this thread.
With only knowledge of high level languages you'll have a very difficult time doing anything with a target, as they're now in assembly (Unless it's a .NET app, but that's a topic for another day). There is also another problem that you might have. There is an application that allows you to edit your photographs that I used to look at, and the demo version of it just plain old didn't have the save code in the .exe. So it wasn't a matter of enabling it, it was just missing. In that case, you're looking at a much bigger task, as you'd have to write your own save function, find a place in the .exe (or a .dll), where you could put it, and then call it from the place that the message box pops up to tell you that it's a demo.
If you're still with me, I assume that you're interested in doing it, so here are the steps:
1. Determine what language your target is written in. PEiD is probably a good start.
2. If it's NOT C#, or VB.NET, then you need to find an assembly language programming tutorial or book, as the target is now in assembly thanks to the compiler. If it IS in .NET, then you need to find a .NET decompiler (Google is your friend), and some tutorials on reversing .NET targets (of which there are plenty, and Goggle is probably still your friend).
3. When you have dug through the code, and found the place(s) that you need to change, and you've tried to change them only to have it fail for some weird reason, then, you can come back, post a snippet of the code, and ask for help. This is probably as close to a hand-holding as you're likely to get here.
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