ET MALWARE Win32/AZORult V3.2 Client Checkin M4

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/AZORult V3.2 Client Checkin M4";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"|4a|"; depth:1;
    pcre:"/^(?:[\x4b-\x4c]|[\x48-\x49]|[\x4e-\x4f]|\x2f\xfb)/R";
    content:"|28 39 f0 28 39 fe 4e 2f fb 3e 4e 8e 4e 2f fa 49 2f fb 3a|"; distance:10; within:45; fast_pattern;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    classtype:command-and-control;
    sid:2029436; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2020_02_13, deployment Perimeter, malware_family AZORult, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_08_30;
)