ET ADWARE_PUP Win32 Handy Cafe Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET ADWARE_PUP Win32 Handy Cafe Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/se/adx.php"; bsize:11; fast_pattern;
    http.request_body;
    content:"lang="; startswith;
    content:"&op="; distance:0;
    content:"&RndID="; distance:0;
    content:"&Mac="; distance:0;
    content:"&Version="; distance:0;
    content:"&LocalIp="; distance:0;
    content:"&ProductKey="; distance:0;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,8ab0a4a3c9cd62727484e634457081a3;
    classtype:pup-activity;
    sid:2037785; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_18, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_18, reviewed_at 2025_01_22;
)