simply. 1. go on hardcore search & destroy with a mate. One person uses a riot shield the other uses a normal gun.. hide somewhere decent on the map and the player with the gun shoots the riot...
Well i dont recommend boosting but if you have to you should go in to a free for all and have a freind join when they join find a good place far away from action and paly your tactical insertions,...
I have never seen anyone get banned from xbox live for boosting, all boosting is, is when people create lobbies and kill each other to easily reach 10th prestidge.