ET MALWARE NUMOZYLOD CnC Checkin M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE NUMOZYLOD CnC Checkin M1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/|3f|status|3d|start|26|av|3d|"; fast_pattern; startswith;
    content:"|26|domain|3d|"; within:50;
    content:"|26|os|3d|Microsoft"; within:50;
    reference:url,www.googlecloudcommunity.com/gc/Community-Blog/Finding-Malware-Unveiling-NUMOZYLOD-with-Google-Security/ba-p/789551;
    classtype:trojan-activity;
    sid:2055339; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_19, deployment Perimeter, deployment SSLDecrypt, malware_family NUMOZYLOD, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_08_19;
    target:src_ip;
)