New 4.4.4 Version(6/25/2014): I9505GUEUCNF3_100%_Stock_Rooted_ROM
Previous 4.4.3 Version: I9505GUEUCNE3_100%_Stock_Rooted_ROM
1. Wipe everything in TWRP except micro sdcard.
2. Flash the ROM
Knox is dependent on which Android version of TouchWiz you're running. It is on 4.3 and 4.4.2. If you are on TouchWiz 4.2.2, you can flash this rom without dealing with any of the Knox warranty crap at all.
EDIT: So far it works, but I get a FC on Settings everytime I access Security. If I remember correctly, it can be fixed if keystore.msm8960.so is deleted in /system/lib/hw