Probably Piracy Website Distributing UnrealEngine4 & Marketplace content

Hey, i just found a Website which is obvisiously pirating Unreal Engine 4 itself & marketplace content. What can be done to supress this? They are also distributing my personal work, beside the full unreal engine 4 sourcecode.

Feel free to send it along and we’ll have a look/maybe try to have the content taken down.