COD4 Undetectable PB Hack {WH,CrossHair}

well tittle says it!
Is there any UNDETECTABLE hack for COD 4 in version 1.7 ? because i have downloaded like 1000000 and i have get banned from 5 servers and all the time changing my key! i need an undetctable hack with WALLHACK or at least CROSSHAIR because i play on hardcore servers :S

lol its not that hard to make an crosshair

Dude, make a crosshair, really?

i dont know how to do it... thats why im asking can u make it for me xD