ET RETIRED BotLoader CnC Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET RETIRED BotLoader CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/support"; fast_pattern; bsize:12;
    http.content_type;
    content:"application/json";
    http.header_names;
    content:!"|0d 0a|User-Agent|0d 0a|";
    content:!"|0d 0a|Referer|0d 0a|";
    http.request_body;
    content:"|7b 22|"; startswith;
    pcre:"/[0-9]{9}/R";
    content:"|22 3a 22|";
    reference:md5,4fd927530935327e0405ea5ddabc18ef;
    classtype:trojan-activity;
    sid:2045782; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_19, deployment Perimeter, former_category MALWARE, malware_family BotLoader, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_01, reviewed_at 2024_10_01;
    target:src_ip;
)