ET MALWARE Troj/ReRol.A Checkin 2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Troj/ReRol.A Checkin 2";
    flow:established,to_server;
    urilen:7;
    http.method;
    content:"POST";
    http.uri;
    content:"/dr.asp"; fast_pattern;
    http.user_agent;
    content:"Mozilla/4.0|20 28|compatible|3b|)"; bsize:25;
    http.header_names;
    content:"Content-Length|0d 0a|";
    content:"User-Agent|0d 0a|"; distance:0;
    content:!"Referer|0d 0a|";
    reference:url,blog.cassidiancybersecurity.com/post/2014/07/The-Eye-of-the-Tiger2;
    reference:md5,c0656b66b9f4180e59e1fd2f9f1a85f2;
    classtype:command-and-control;
    sid:2018883; rev:5;
    metadata:created_at 2014_07_14, signature_severity Major, updated_at 2020_09_25;
)