alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Disdain EK URI Struct Aug 23 2017 M1"; flow:established,to_server; urilen:>41; flowbits:set,ET.DisDain.EK; http.uri; content:".php"; offset:38; depth:4; pcre:"/^\/(?=[a-z0-9]{0,22}[A-Z]+?[a-z0-9])(?=[A-Z0-9]{0,22}[a-z]+?[A-Z0-9])[a-zA-Z0-9]{24}\/[a-zA-Z0-9]{12}\.php(?:\?[^&=]+=(?:[a-zA-Z0-9]{8}|0(?:189|037)|flash|2(?:551|419)|6332))?$/"; classtype:exploit-kit; sid:2024606; rev:4; metadata:created_at 2017_08_23, deprecation_reason Age, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_12, reviewed_at 2023_12_12;)