alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET ACTIVEX Vulnerable Microsoft Video ActiveX CLSID access (25)"; flow:to_client,established; content:"clsid"; nocase; content:"9E77AAC4-35E5-42A1-BDC2-8F3FF399847C"; nocase; distance:0; pcre:"/<OBJECT\s+[^>]*classid\s*=\s*[\x22\x27]?\s*clsid\s*\x3a\s*\x7B?\s*9E77AAC4-35E5-42A1-BDC2-8F3FF399847C/si"; reference:url,microsoft.com/technet/security/advisory/972890.mspx; classtype:web-application-attack; sid:2009639; rev:3; 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 Medium, signature_severity Major, tag ActiveX, updated_at 2019_07_26;)