alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET EXPLOIT_KIT Possible Evil Redirector Leading to EK Nov 09 2015 M2";
flow:to_server,established;
http.uri;
content:".php?id=4"; fast_pattern;
pcre:"/^\/[a-z]{3,20}\.php\?id=4[A-F0-9]{39,200}$/";
http.host;
content:!".hostingcatalog.com";
http.header_names;
content:!"Cookie|0d 0a|";
classtype:exploit-kit;
sid:2022071; rev:8;
metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_11_11, deployment Perimeter, confidence Medium, signature_severity Major, tag Redirector, updated_at 2020_11_02;
)