Backdoor.Migmaf

Risk Level 1: Very Low

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Discovered:: July 11, 2003
Updated:: February 13, 2007 12:03:44 PM
Also Known As:: Proxy-Migmaf [McAfee], Troj/Migmaf-A [Sophos], TROJ_MIGMAF.A [Trend], Win32.Migmaf.A [CA]
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Backdoor.Migmaf is a reverse proxy Trojan Horse that redirects HTTP requests to a master Web server. This enables the creator of the Trojan to hide the real IP address of the Web server, which typically contains pornographic material.

Backdoor.Migmaf is written in Microsoft Visual C++ and is packed with tElock v0.98.

There have been reports that Backdoor.Migmaf is distributed with the W32.Sobig.E@mm worm, this has not been confirmed.

Antivirus Protection Dates

Initial Rapid Release version July 14, 2003
Latest Rapid Release version March 10, 2012 revision 007
Initial Daily Certified version July 14, 2003 revision 002
Latest Daily Certified version March 11, 2012 revision 017
Initial Weekly Certified release date July 16, 2003

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: Low

Distribution

Distribution Level: Low

Writeup By: Scott Gettis

Technical Details

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Internet Security Threat Report, Volume 16