Backdoor.IRC.Whisper.B

Risk Level 1: Very Low

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Discovered:: January 17, 2005
Updated:: February 13, 2007 12:30:40 PM
Also Known As:: Backdoor.Win32.Delf.vb [Kasper
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

Backdoor.IRC.Whisper.B is a back door that allows an attacker unauthorized remote access to a compromised host through an IRC channel. The back door also allows the remote attacker access to use the compromised computer to exploit other hosts.

Antivirus Protection Dates

Initial Rapid Release version January 18, 2005
Latest Rapid Release version January 18, 2005
Initial Daily Certified version January 18, 2005
Latest Daily Certified version January 18, 2005
Initial Weekly Certified release date January 19, 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: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Low

Writeup By: Ka Chun Leung

Technical Details

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Internet Security Threat Report, Volume 16