alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Possible Evil Redirector Leading to EK EITest Sep 02 M2"; flow:established,to_server; urilen:60<>250; http.uri; content:!"="; content:!"."; content:!"?"; pcre:"/^\/(?=[a-z\d]+[+-][a-z\d]+[+-][a-z\d]+[+-])[a-z\d+-]*\/$/"; http.header_names; content:"|0d 0a|x-flash-version|0d 0a|"; fast_pattern; content:!"|0d 0a|Cookie|0d 0a|"; http.header; content:!".swf"; nocase; content:!".flv"; nocase; content:!"[DYNAMIC]"; classtype:exploit-kit; sid:2023150; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2016_09_02, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Redirector, updated_at 2024_02_28;)