Which defense is this? (description inside)

So been coming across this formation a lot!! There are six men lined up on the LOS, but not one directly over the center. The two most outside guys basically have free shots at the QB because it's damn near impossible to block them, it's almost like my linemen don't detect them. Then if you run up the middle, the user is right there to tackle you because none of the offensive linemen attempt to even block him. Basically the user just does that BS dive and gets shoe string tackles right as you get the handoff. Just got my ass kicked by someone using this defense. It's basically a cheat code.