Rule:

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Sid:
2990

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Summary:
This event is generated when an attempt is made to bind to the winreg
service.

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Impact:
Unknown.

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Detailed Information:
This event is generated when an attempt is made to bind to the RPC
service for winreg.

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Affected Systems:
	Windows systems

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Attack Scenarios:
An attacker may attempt to bind to the service to manipulate host
settings.

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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:
Block access to RPC ports 135, 139 and 445 for both TCP and UDP 
protocols from external sources using a packet filtering firewall.

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Contributors:
Sourcefire Research Team
Brian Caswell <bmc@sourcefire.com>
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:
Microsoft Technet
http://support.microsoft.com/support/kb/articles/q153/1/83.asp
CVE
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-1999-0562
Winreg
http://www.rutherfurd.net/python/winreg/

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