Rule:--Sid:2479--Summary:This event is generated when an attempt is made to bind to the winregservice.--Impact:Unknown.--Detailed Information:This event is generated when an attempt is made to bind to the RPCservice for winreg.--Affected Systems:	Windows systems--Attack Scenarios:An attacker may attempt to bind to the service to manipulate hostsettings.--Ease of Attack:Simple.--False Positives:None known.--False Negatives:None known.--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.--Contributors:Sourcefire Research TeamBrian Caswell <bmc@sourcefire.com>Nigel Houghton <nigel.houghton@sourcefire.com>--Additional References:Microsoft Technethttp://support.microsoft.com/support/kb/articles/q153/1/83.aspCVEhttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-1999-0562Winreghttp://www.rutherfurd.net/python/winreg/--