ET MALWARE ServHelper CnC Inital Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE ServHelper CnC Inital Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"key="; depth:4; nocase;
    content:"&sysid="; nocase; distance:0; fast_pattern;
    content:"&resp="; nocase; distance:0;
    content:"&misc="; distance:0;
    classtype:command-and-control;
    sid:2026772; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_01_04, deployment Perimeter, confidence High, signature_severity Major, tag ServHelper, updated_at 2020_08_28;
)