Discovered: May 31, 2004
Updated: February 13, 2007 12:23:53 PM
Type: Worm
Systems Affected: Windows 2000, Windows XP
W32.Korgo.E is a minor variant of
W32.Korgo.D. This worm propagates by exploiting the LSASS vulnerability on TCP port 445 (as described in
Microsoft Security Bulletin MS04-011). It also opens backdoors on TCP ports 113 and 3067.
W32.Korgo.E is compressed with UPX compressor.
Note: Virus definitions version 60408w (extended version 4/8/2004 rev. 23) detect this threat as Bloodhound.Packed.
Protection
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Initial Rapid Release version June 1, 2004
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Latest Rapid Release version March 3, 2008 revision 035
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Initial Daily Certified version June 1, 2004
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Latest Daily Certified version June 17, 2008 revision 017
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Initial Weekly Certified release date June 1, 2004
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Medium
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Number of Infections: 50 - 999
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Moderate
Damage
Distribution
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Distribution Level: Medium
Writeup By: Asuka Yamamoto