Detections
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W32.Dabber Worm Detection

critical Nessus Plugin ID 12266

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Synopsis

The remote host has been compromised.

Description

The W32.Dabber worm is listening on this port. W32.Dabber propagates by exploiting a vulnerability in the FTP server component of W32.Sasser.Worm and its variants.

It installs a backdoor on infected hosts and tries to listen on port 9898. If the attempt fails, it tries to listen on ports 9899 through 9999 in sequence until it finds an open port.

Solution

- Disable access to port 445 and Dabber remote shell by using a firewall.

 - Apply Microsoft MS04-011 patch.

 - Update your virus definitions.

See Also

http://www.nessus.org/u?839c7128

https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2004/ms04-011

Plugin Details

Severity: Critical

ID: 12266

File Name: dabber_worm.nasl

Version: 1.14

Type: remote

Family: Backdoors

Published: 6/10/2004

Updated: 11/15/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

Required KB Items: Settings/ParanoidReport