Backdoor.Sysbug

Backdoor.Sysbug is a Backdoor Trojan Horse that opens TCP port 5555 and waits for commands from the Trojan's author. It also steals information about an infected computer's configuration.

The Trojan is distributed in an email with the following characteristics:

From: james2003@hotmail.com
Subject: Re[2]: Mary
Attachment: Private.zip

Protection

• Initial Rapid Release version November 25, 2003
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version November 25, 2003
• Latest Daily Certified version August 20, 2008 revision 016
• Initial Weekly Certified release date November 26, 2003

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: 3 - 9
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Low