alert http $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET ACTIVEX Hyleos ChemView ActiveX Buffer Overflow Function Call"; flow:to_client,established; content:"ActiveXObject"; nocase; content:"HyleosChemView.HLChemView"; nocase; distance:0; pcre:"/(ReadMolFile|SaveasMolFile)/i"; reference:url,www.security-assessment.com/files/advisories/2010-02-11_ChemviewX_Activex.pdf; reference:url,secunia.com/advisories/38523/; classtype:attempted-user; sid:2010999; rev:4; 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 High, signature_severity Major, tag ActiveX, updated_at 2019_07_26;)