HELP!! How 2 Add Asm Code To Exe File !! Plesa..

[renuvivek]

Hi..
Im New 2 Assembly,
Plz Any one guide me how to add code and Functions to exe file..

Ex:..
I Want to add Registration check for Notepad.exe
How to find Processor ID In Asm.And How to Use it In Our Code...

Plzz Help Me..
Renuvivek.

[renuvivek]

Is there anyone for help me...

[Silkut]

You have to add some code on a special part of the binary, an empty part if it exists.
i.e.

notepad start
JMP myRoutine
notepad run
notepad code
...
myRoutine
check if registered
if not -> registProcess
JMP notepad run

something like that, you can easily find tutos on the web..