Bugbear Worm Detection

Critical Nessus Plugin ID 11135

Synopsis

The remote host has been compromised.

Description

The BugBear backdoor is listening on this port. An attacker may
connect to it to retrieve secret information such as passwords,
credit card numbers, etc.

The BugBear worm includes a keylogger and can kill antivirus and
firewall software. It propagates through email and open Windows
shares.

Depending on the antivirus vendor, it is known as Tanatos,
I-Worm.Tanatos, NATOSTA.A, W32/Bugbear-A, Tanatos, W32/[email protected],
WORM_BUGBEAR.A, Win32.BugBear...

Solution

- Use an Antivirus package to remove it.
- Close your Windows shares
- Update your IE browser
See 'Incorrect MIME Header Can Cause IE to Execute E-mail Attachment'

See Also

https://www.sophos.com/en-us/search-results.aspx?search=w32bugbeara&refine=7edf01e4de3c4c8791a56ba6ce685d09

http://www.nessus.org/u?db7425b2

http://www.nessus.org/u?45f1d49b

http://vil.nai.com/vil/content/v_99728.htm

http://support.microsoft.com/default.aspx?scid=KB;en-us;329770&

https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2001/ms01-020

Plugin Details

Severity: Critical

ID: 11135

File Name: bugbear.nasl

Version: 1.37

Type: remote

Family: Backdoors

Published: 2002/10/03

Modified: 2018/11/15

Dependencies: 17975

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 8.3

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

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2001/03/30

Reference Information

CVE: CVE-2001-0154

BID: 2524

MSFT: MS01-020

MSKB: 290108, 329770