ET MALWARE UrgentBot Sending Results to CnC Server (POST)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE UrgentBot Sending Results to CnC Server (POST)";
    flow:established,to_server;
    urilen:8;
    http.method;
    content:"POST";
    http.uri;
    content:"/sendres"; fast_pattern;
    http.user_agent;
    content:"WindowsPowerShell";
    threshold:type limit,count 1,seconds 300,track by_src;
    reference:md5,be71ca996011e34fea985a0cf674657e;
    classtype:command-and-control;
    sid:2063298; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_07_03, deployment Perimeter, confidence High, signature_severity Critical, tag c2, updated_at 2025_07_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)