Doomjuice puts squeeze on Microsoft

The LURHQ Threat Intelligence Group has uncovered a new variant of MyDoom. Dubbed Doomjuice or MyDoom.C depending on the vendor, this new worm spreads to systems already infected with MyDoom.A, leveraging the backdoor left in place by that worm. Doomjuice doesn't spread via email or KaZaA as did MyDoom.A. Instead, the worm spreads via port 3127, launching an indefinite attack against Microsoft from infected systems
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