how can i change data in exe using hex editor?

Question

i want to modify content of exe using hex editor...bt after that that exe is not runnable..
i want it execute after modifying....so pls help me to solve this

Answer 1

Back in the ms-dos days you could do it easily.



Today programs are locked by cyclic checks and other factors. In simple terms you can only easily alter a program in the source code and then you need to recompile.

Answer 2

that's no longer that easy. to make srious differences NO software will incredibly help. you are able to be a programmer. this suggests you are able to study programming. additionally the spacings of a few information are severe, modifying something could only reason a crash in case you do no longer alter such spacing, or perhaps many of the hex code in the previous or after the counsel.

Answer 3

Read this to get started:

http://en.wikibooks.org/wiki/X86_Disassembly