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MAJOR COMPUTER WORM ATTACKS COMPUTER SYSTEMS
WASHINGTON (CNN) -- A computer worm shut down computer systems running Windows 2000 software across the United States Tuesday, hitting computers at CNN, ABC and the New York Times.
The Caterpiller Co. in Peoria, Ill. was also reportedly affected. Around 5 p.m., computers began crashing at CNN facilities in New York and Atlanta. ABC said their problems began in New York about 1:30 p.m. David Perry of Trend Micro said that the attack seems to have been triggered by a new worm, called worm--rbot.ebq. He said that the symptoms, of computers repeatedly shutting down and rebooting, was consistent with that virus.
Johannes Ullrich, director of the Sans Institute, a network security firm in Jacksonville, Fla., said the outage may also have been caused by the Zotob worm, which was released last weekend.
"It will connect to a control server to ask for instructions. It scans network neighborhoods and tries to infect them as well," he said. Several versions of the worm have been released, some as late as Tuesday, he said.
While the worm primarily affects Windows 2000, it can also affect some early versions of Microsoft XP, he said. "Typically, the infective vector is a laptop connected to unsecured networks," Ullrich said. "This laptop will infect your systems from the inside."
Microsoft has made a patch to counter Zotob, he said. Perry said that the Rbot worm may be a derivative of the Zotob worm. He said that the worm was very new. At any given time, there are thousands of computer worms and viruses in existence. Most are stopped from becoming widespread problems by anti-virus software.
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