Malware type: Worm

Aliases: Backdoor.Win32.Agobot.au, W32/Gaobot.worm.gen, W32.HLLW.Gaobot.gen, Worm/Agobot.AU.1, is a security risk named W32/Agobot.W, Troj/AgobSvc-A, Worm:Win32/Gaobot!6873

In the wild: Yes

Destructive: No

Language: English

Platform: Windows NT, 2000 , XP

Encrypted: No

Description: 

This memory-resident malware has both worm and backdoor capabilities.

Like the earlier AGOBOT variants, it takes advantage of the following Windows vulnerabilities to propagate across networks:

• Remote Procedure Call (RPC) Distributed Component Object Model (DCOM) Vulnerability
• RPC Locator Vulnerability
• IIS5/WEBDAV Buffer Overflow Vulnerability

For more information about these Windows vulnerabilities, please refer to the following Microsoft Web pages:

• Microsoft Security Bulletin MS03-026
• Microsoft Security Bulletin MS03-001
• Microsoft Security Bulletin MS03-007

It drops itself as the file CPSDV.EXE in the Windows system folder and attempts to log into systems using a list of user names and passwords.

It connects to an Internet Relay Chat (IRC) server and joins an IRC channel to receive malicious commands, which it processes on the machine.

It also terminates antivirus-related programs and steals CD keys of certain game applications.

This malware arrives as a PECrypt-compressed executable file and is written using Microsoft Visual C++, a high-level programming language.

It runs on Windows NT, 2000, and XP.

For additional information about this threat, see:
Solution
Technical Details

Description created: Apr. 4, 2004 3:22:33 PM GMT -0800
Description updated: Jun. 14, 2004 7:23:43 PM GMT -0800

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