W32.Gaobot.ALO

Name W32.Gaobot.ALO
Type Worm
Affected Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
Risk Level 2: Low
Discovered May 18, 2004
Update February 13, 2007 12:23:17 PM
Length
Virus Info W32.Gaobot.ALO is a worm that spreads through open network shares and several Windows vulnerabilities. The vulnerabilities are:

  • The DCOM RPC Vulnerability (described in Microsoft Security Bulletin MS03-026) using TCP port 135.
  • The WebDav Vulnerability (described in Microsoft Security Bulletin MS03-007) using TCP port 80.
  • The Workstation Service Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS03-049) using TCP port 445. Windows XP users are protected against this vulnerability if Microsoft Security Bulletin MS03-043 has been applied. Windows 2000 users must apply MS03-049.
  • The UPnP NOTIFY Buffer Overflow Vulnerability (described in Microsoft Security Bulletin MS01-059).
  • The vulnerabilities in the Microsoft SQL Server 2000 or MSDE 2000 audit (described in Microsoft Security Bulletin MS02-061) using UDP port 1434.
  • Exploits the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (described in Microsoft Security Bulletin MS04-011).

The worm also spreads through backdoors installed by Beagle and Mydoom family of worms.

W32.Gaobot.ALO can act as a backdoor server program and attack other systems. It also attempts to kill the processes of many antivirus and security programs.


Note: Virus definitions dated prior to May 19, 2004 detect this threat as W32.HLLW.Gaobot.gen.

Threat Assessment

Wild

  • Wild Level: Medium
  • Number of Infections: 50 - 999
  • Number of Sites: More than 10
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium
Writeup By: Scott Gettis
Details >W32.Gaobot.ALO
Save this article to PDF.

"Free Scan W32.Gaobot.ALO

Print This Virus article Print This Virus article


Leave a Comment

You must be logged in to post a comment.