I want to prevent executable being copied to another PC and thus i need to somehow save information inside my EXE file about that it was already used somewhere else on another PC.
Can i embed small piece of information like user's hard drive number into my EXE file so this information would be available when this EXE is copied to another PC?
I thought maybe there is a way to read and write to some resource file embedded in an EXE file but i presume that resource file is read only and if so is there is a place inside EXE file where i could keep information which i need?
Ok, I analyzed all the variants that were proposed and decided that in my case it will be better to develop my own copy-protection system, due to the reason that I am an indie developer and not going to work with extra large applications.
Just in case, somebody faces to the same issue - here is the algorithm (well, one of them):
Useful info about self-deleting EXE can be found here :
P. S. I know that it is like a huge hole of security (I will not mention all of them) but implementation of this algorithm took just 20 lines of code in C# and was moved to a separate DLL which I can use everywhere and it works. And for those open-source lovers who think that any registration complicates user's life - there is NO any registration in the algorithm above and user can simply take this app and use it and I am sure that ~ 80% of them will not realize how this app is protected from copying.
Link to implementation : https://bitbucket.org/artemiusgreat/examples/src/ef7b60142277?at=master