] Internet Security Systems Inc. reported that one of the
] 20 was still online at 3:00 p.m. Eastern time but no new
] instructions had been placed on the machine by the virus
] writer, according to Dan Ingevaldson, engineering manager
] at ISS.
]
] The last Sobig server stopped responding shortly after
] 3:00 p.m., he said.
]
] With few or none of the 20 servers accessible, Sobig
] machines were unable to download any instructions,
] experts agreed.

They got 'em...

BTW, I can think of at least 50 ways to do this better.

Internet quiet as Sobig attack deadline passes - Computerworld