A known vulnerability in Microsoft SQL server systems is being targeted by a hybrid worm that combines a distributed denial of service attack (DDoS) with the automated propagation techniques used by worms such as Code Red.
U.S.-based security company SecurityFocus noticed a rapidly growing network of controlled agents known as bots on Tuesday, which reportedly increased by 600 percent in the space of six hours. The bots were being used to launch DDoS attacks on systems wrongly configured with Microsoft SQL Server software.
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