Care to provide an example of the USG leveraging a vulnerability to delete files on hundreds of domestic servers without the permission or knowledge of the owne

Care to provide an example of the USG leveraging a vulnerability to delete files on hundreds of domestic servers without the permission or knowledge of the owners? Because the closest thing I can think of involves the military targeting a foreign botnet. I know Microsoft went after a botnet with a forced Windows update mechanism, but Microsoft isn't the FBI and their update system is a known quantity.