Rule:--Sid:1034--Summary:This event is generated when an attempt is made to exploit a known vulnerability in a web server running Microsoft Internet Information Server.--Impact:Information gathering and system integrity compromise. Possible unauthorized administrative access to the server or application. Possible execution of arbitrary code of the attackers choosing in some cases. Denial of Service is possible.--Detailed Information:This event is generated when an attempt is made to compromise a host running Microsoft Internet Information Server (IIS). Many known vulnerabilities exist for this platform and the attack scenarios are legion.--Affected Systems:All systems running Microsoft IIS--Attack Scenarios:Many attack vectors are possible from simple directory traversal to exploitation of buffer overflow conditions.--Ease of Attack:Simple. Many exploits exist.--False Positives:None known.--False Negatives:None known.--Corrective Action:Ensure the system is using an up to date version of the software and has had all vendor supplied patches applied.--Contributors:Sourcefire Vulnerability Research TeamBrian Caswell <bmc@sourcefire.com>Nigel Houghton <nigel.houghton@sourcefire.com>--Additional References:Microsofthttp://www.microsoft.com/technet/security/bulletin/ms99-013.mspxCVEhttp://cve.mitre.org/cgi-bin/cvename.cgi?name=1999-0737--