File: 118.txt

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Rule:

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Sid:
118

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Summary:
Satans Backdoor is a Trojan Horse capable of stealing passwords. This 
event is generated when an infected machine replies to the attackers 
connection attempt.

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Impact:
Possible theft of data and passwords.

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Detailed Information:
This Trojan affects the following operating systems:

	Windows 95
	Windows 98
	Windows ME
	Windows NT
	Windows 2000
	
The Trojan server always communcates via port 666 and cannot be changed 
by the attacker. The server portion itself is named winvmm32.exe, this 
also cannot be changed. The main purpose of this Trojan is password 
stealing thus presenting the attacker with access to other machines and 
possible further compromise of data.

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Attack Scenarios:
This Trojan may be delivered to the target in a number of ways. This
event is indicative of an existing infection being activated. Initial
compromise can be in the form of a Win32 installation program that may
use the extension ".jpg" or ".bmp" when delivered via e-mail for
example.

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Ease of Attack:
This is Trojan activity, the target machine may already be compromised.
Updated virus definition files are essential in detecting this Trojan.

The Trojan server is located called winvmm32.exe.

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Delete the file winvmm32.exe.

Kill the process winvmm32.exe.

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Contributors:
Orignal rule by  webmaster@tlsecurity.net

Sourcefire Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

Whitehats arachNIDS
http://www.whitehats.com/info/IDS316

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