This one,
https://www.mpgh.net/forum/404-call-d...e-trainer.html
this one
https://www.mpgh.net/forum/404-call-d...1-9-441-a.html
or this one.
https://www.mpgh.net/forum/404-call-d...tch-steam.html
All of them found here, on the main MW3 page -.-
Call of Duty - Modern Warfare 3 (MW3) Hacks - MPGH - MultiPlayer Game Hacking
Try searching for a bit before posting.