File: 105-1.txt

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Rule:

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Sid:
105-1

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Summary:
This event is generated when the pre-processor spp_bo detects network
traffic that may constitute an attack. Specifically back orifice
traffic was detected.

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Impact:
Unknown. This is possible Trojan activity.

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Detailed Information:
This event is generated when the spp_bo pre-processor detects network
traffic that may consititute an attack.

Back Orifice is a Trojan horse program for Microsoft systems. This event
may indicate that this Trojan is active and in use on the protected
network.

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Affected Systems:
	Microsoft Windows 95, 98, ME, NT, 2000

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Attack Scenarios:
This is Trojan activity. An attacker can use this Trojan to control the
target host.

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Ease of Attack:
Simple.

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False Positives:
None Known.

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False Negatives:
None Known.

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Corrective Action:
Check the target host for signs of compromise.

Apply any appropriate vendor supplied patches.

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

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Additional References:


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