This should be 100% undetected, played with it a couple of days ago for 2 hours, and just now for a bit. however, use at own risk)
inject with winject into armyops.exe once you spawn.

FEATURES:
No breathing
No recoil
Sniper Zoom
Always Medic
Quick Reload
No muzzle flash
No Flash
No Fog (on/off numpad2)
Colored models
No jams
no Rotation limit on ladders (bugged)
quick zoom
quick lean
auto ROF for all weapons (numpad1)
No need to inject every round.

Artificial Aiming 4.2.1

Undetected Hookless NoRecoil (3.2.3.01)

Undetected ZBot LUA 1.8 fixed 

Anti-Cheat Bypass / Injector v3.2

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Thats it , Enjoy!
Credits: r4ge.