W32.Mocbot.A

Risk Level 2: Low

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Discovered:: October 23, 2005
Updated:: February 13, 2007 12:45:49 PM
Also Known As:: IRC-Mocbot [McAfee], Mocbot.A [F-Secure], Win32.Esbot.M [Computer Associ, IRCBot.NT [Panda Software], WORM_MOCBOT.A [Trend Micro]
Type:: Worm
Systems Affected:: Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Mocbot.A is a worm with back door capabilities that exploits the Microsoft Windows Plug and Play Buffer Overflow vulnerability (as described in Microsoft Security Bulletin MS05-039).

Note: Virus definitions dated October 24, 2005 or earlier may detect this threat as W32.Esbot.A.

Antivirus Protection Dates

Initial Rapid Release version October 24, 2005
Latest Rapid Release version October 24, 2005
Initial Daily Certified version October 24, 2005
Latest Daily Certified version October 24, 2005
Initial Weekly Certified release date October 26, 2005

Click 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: Low

Distribution

Distribution Level: Low

Writeup By: Masaki Suenaga

Technical Details

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Internet Security Threat Report, Volume 16