W32.Korgo.G

Risk Level 2: Low

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Discovered: June 2, 2004
Updated: February 13, 2007 12:23:59 PM
Type: Worm
Systems Affected: Windows 2000, Windows XP


W32.Korgo.G is a minor variant of W32.Korgo.C. It is a worm that attempts to propagate by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (BID 10108) on TCP port 445. It also listens on TCP ports 113, 3067, and other random ports.


Note: Virus definitions dated prior to June 3, 2004 may detect this threat as W32.Korgo.C.

Protection

  • Initial Rapid Release version June 3, 2004
  • Latest Rapid Release version July 19, 2008 revision 019
  • Initial Daily Certified version June 3, 2004
  • Latest Daily Certified version January 20, 2009 revision 048
  • Initial Weekly Certified release date June 7, 2004

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium

Writeup By: Takayoshi Nakayama
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