SEOUL (Reuters) - A Chinese computer hacker group is suspected to be behind a virus that wreaked havoc on the Internet over the weekend, South Korean police said on Tuesday.
South Korea, the most wired country in the world with about 70 percent of the population having Internet access, was possibly the hardest hit by the virus that nearly crashed entire Web access nationwide. Police had found a Web site the Chinese hacker group used to publicize an Internet attack program last October by taking advantage of a weakness in Microsoft Corp's Windows SQL server database software. Police said a variant of this could have been used in the latest attack.
"The bug is not exactly the same as the one developed by the Chinese group, but it looks like a variant," said a police officer in charge of investigating cyber crimes. The virus spread particularly rapidly in South Korea after it penetrated Internet protocols, police said.
"We have informed the United States, China and Australia of our investigation results," the police officer said. "We'll continue to probe the case in coordination with the Interpol."
No cases of a shutdown or slowdown of the Internet in South Korea had been reported on Tuesday, but police were stepping up efforts to track down the origin of the "SQL Slammer" worm, cause of the most damaging attack on the Internet in 18 months. Security advisers said the worm was designed to infiltrate networks very rapidly and that it would continue to do so until servers had sufficient patches.
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