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W32.Beagle.U@mm

Risk Level 2: Low

Discovered:
March 26, 2004
Updated:
March 26, 2004 3:53:07 PM
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Beagle.U@mm is a mass-mailing worm that opens a backdoor on TCP port 4751 and uses its own SMTP engine to spread through email. The worm arrives as a blank email with a randomly named attachment. If the compromised system's clock year is 2005 or later, the worm will not run.

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