ET MALWARE MSIL/Spy.Banker.DH Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MSIL/Spy.Banker.DH Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".aspx?"; endswith;
    http.user_agent;
    content:"Mozilla/5.0 (Windows|3b 20|U|3b 20|Windows NT 6.1|3b 20|ru|3b 20|rv|3a|1.9.2.3) Gecko/20100401 Firefox/4.0 (.NET CLR 3.5.30729)"; fast_pattern; bsize:104;
    http.request_body;
    content:"id="; depth:3; nocase;
    http.content_type;
    content:"application/x-www-form-urlencoded"; startswith;
    reference:md5,39519ff5bddd6d0eee032232349fe0a6;
    classtype:command-and-control;
    sid:2022811; rev:4;
    metadata:created_at 2016_05_17, malware_family MSIL_Spy_Banker_DH, confidence High, signature_severity Major, updated_at 2020_07_15;
)