Note: These aren't hacks. These are the original files of the .sff files that we frequently replace when we use modded files. It's for the players who forgot to backup their .sff files
Effect sff files:

<---------> for edited sniper scopes, invisible smoke screen
scr sff files:

<------------> for edited no recoil that was already patched
force sff files:

<----------> for edited character mods or character chams
sound sff files:

<---------> for edited lobby songs, radio messages, gunshot sounds
area_001 .sff:
area sff files:

<-----------> for waterproof mods, edited maps like shanghai, venezia, bridge, factory etc.
menu sff files:

<----------> for edited rank mods.
-other files are currently uploading sorry for the inconvenience-
press thanks if i helped