My experience with COD4 hacks...
They either are in .dll format or .exe/.bat format
.dll
- 40% of the time does not inject even after giving it king privileges on Windows
- 55% of the time, injects but insta-crashes the game
.exe/.bat
- Doesn't work no matter how I coax it, period.
.dll
- 40% of the time does not inject even after giving it king privileges on Windows
- 55% of the time, injects but insta-crashes the game
.exe/.bat
- Doesn't work no matter how I coax it, period.

it was recently released :P