ET MALWARE RubySleet APT TrollAgent CnC Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE RubySleet APT TrollAgent CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/index.php";
    http.user_agent;
    content:"Go-http-client/"; startswith;
    http.request_body;
    content:"a=3e53u2ZVzADd7ne7WWL7N"; fast_pattern; startswith;
    reference:url,mp.weixin.qq.com/s?__biz=MzI2MDc2MDA4OA==&mid=2247509476&idx=1&sn=b0e09436095203b75710836d718d6699;
    classtype:trojan-activity;
    sid:2050692; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2024_02_02, deployment Perimeter, malware_family TrollAgent, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_02_02;
    target:dest_ip;
)