529.txt

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

Rule:  

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Sid:
529

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Summary:
This event is generated when an attempt is made to issue a Denial of
Service (DoS) attack against a host using the RFPoison tool.

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Impact:
Serious. Denial of Service.

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Detailed Information:
The Microsoft Local Security Authority (LSA) service does not handle
certain malformed requests correctly. This service allows for the
manipulation of user privileges on the host. A specially crafted
malformed request sent to the LSA service will cause the system to
become unresponsive.

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Affected Systems:
	Microsoft Windows NT Workstation
	Microsoft Windows NT Server
	Microsoft Windows NT Terminal Server
	
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Attack Scenarios:
An attacker can use the RFPoison tool against a host to generate the
request necessary to cause the DoS.

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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:
Apply the appropriate vendor supplied patches.

Upgrade to the latest non-affected version of the software.

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Contributors:
Original Rule Writer Unknown
Sourcefire Research Team
Nigel Houghton <[e-mail]>

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Additional References:

RFP:
http://www.wiretrip.net/rfp/txt/rfp9906.txt

Microsoft:
http://support.microsoft.com/support/kb/articles/Q231/4/57.asp

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