ET MALWARE W32/Agent.XXZBEN Downloader Activity

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/Agent.XXZBEN Downloader Activity";
    flow:established,to_server;
    http.header.raw;
    content:"Cookie|3a 20 0d 0a|Accept|3a 20|";
    http.method;
    content:"GET";
    http.uri;
    content:"/check?ver=";
    content:"&os="; distance:0;
    content:"&binary="; distance:0;
    content:"&token="; distance:0;
    content:"&host="; distance:0;
    content:"&run_time="; distance:0;
    content:"&once="; distance:0;
    http.user_agent;
    content:"User-Agent|3a 20|Mozilla"; fast_pattern; startswith;
    reference:md5,113a0256fa05ece2a56b88e6285aff7a;
    classtype:trojan-activity;
    sid:2030123; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_07, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_06_03;
)