ET MALWARE W32/Virus-Encoder Ransomware Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/Virus-Encoder Ransomware Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"submit=submit&id="; fast_pattern;
    content:"&guid=";
    content:"&pc=";
    content:"&mail=";
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"User-Agent|0d 0a|";
    reference:md5,57a69d5130d32da0a278c72137ca58ee;
    classtype:command-and-control;
    sid:2022737; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2016_04_15, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, updated_at 2020_06_30, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)