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W32.Korgo.M

Risk Level 2: Low

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Discovered: May 23, 2004
Updated: February 13, 2007 12:24:53 PM
Also Known As: Worm.Win32.Padobot.gen [Kasper, W32/Korgo.worm.m [McAfee], WORM_KORGO.M [Trend], W32/Korgo-I [Sophos], Win32.Korgo.M [Computer Associ
Type: Worm
Systems Affected: Windows 2000, Windows XP



W32.Korgo.M is a variant of W32.Korgo.B. This worm attempts to propagate by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS04-011) on TCP port 445. It also listens on TCP port 3067 and on random TCP ports between 2000 and 8191.

Note: Definitions dated prior to June 28, 2004 detect this threat as W32.Korgo.C.


Protection

  • Initial Rapid Release version March 24, 2004
  • Latest Rapid Release version July 19, 2008 revision 019
  • Initial Daily Certified version March 24, 2004
  • Latest Daily Certified version July 19, 2008 revision 018
  • Initial Weekly Certified release date March 26, 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: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium

Writeup By: Yana Liu
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