ET MALWARE Zbot Generic URI/Header Struct .bin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Zbot Generic URI/Header Struct .bin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    pcre:"/\/[a-z0-9]{1,31}\.bin$/";
    http.header;
    content:!"AskTbARS";
    http.user_agent;
    content:"|20|MSIE|20|";
    http.host;
    content:!".passport.net"; endswith;
    content:!".microsoftonline-p.net"; endswith;
    content:!".symantec.com"; endswith;
    content:!".qq.com"; endswith;
    content:!"aocdn.net";
    content:!"kankan.com"; endswith;
    content:!"conf.v.xunlei.com"; endswith;
    content:!"burstek.com"; endswith;
    http.request_line;
    content:".bin HTTP/1."; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"Accept-Language|0d 0a|";
    classtype:trojan-activity;
    sid:2018052; rev:11;
    metadata:created_at 2014_02_01, confidence Medium, signature_severity Major, updated_at 2021_09_21;
)