ET MALWARE AstroBot CnC Activity

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE AstroBot CnC Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/gate.php"; endswith; fast_pattern;
    http.request_body;
    content:"p="; startswith;
    content:"&id="; distance:0;
    isdataat:!20,relative;
    http.header_names;
    content:!"Referer";
    reference:md5,3b6df3e900f8d0b757441fe682b91a3c;
    classtype:command-and-control;
    sid:2029233; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_07, deployment Perimeter, malware_family AstroBot, confidence High, signature_severity Major, updated_at 2020_01_07;
)