Do it with any class because if sin say you hack , you respond "Stealth Bug :P ". Stealth bug been in game for 2 years. Easy to get away with.
The Injection feature loads and injects any DLL specified. Your problem may be that ReqCon isn't compatible anymore. I would check with Dwar if you are having issues with it. I haven't played with it myself, just verified that it launched and let me SetPriv.