Rule History

alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET ACTIVEX Possible EMC Captiva QuickScan Pro KeyWorks KeyHelp Module keyhelp.ocx ActiveX Control Remote Buffer Overflow Attempt"; flow:to_client,established; content:"clsid"; nocase; content:"B7ECFD41-BE62-11D2-B9A8-00104B138C8C"; nocase; distance:0; content:"KEYHELP"; nocase; pcre:"/<OBJECT\s+[^>]*classid\s*=\s*[\x22\x27]?\s*clsid\s*\x3a\s*\x7B?\s*B7ECFD41-BE62-11D2-B9A8-00104B138C8C/si"; reference:url,www.securityfocus.com/bid/36546/info; reference:url,tools.cisco.com/security/center/viewAlert.x?alertId=19135; reference:url,downloads.securityfocus.com/vulnerabilities/exploits/36546.html; classtype:attempted-user; sid:2010012; rev:7; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence Low, signature_severity Major, tag ActiveX, updated_at 2019_07_26;)