ET MALWARE Win32/Ramsay CnC Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Ramsay CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php?vol="; fast_pattern;
    content:"&q="; distance:0;
    content:"&guid=|7b|"; distance:0;
    content:"|7d|"; endswith;
    http.request_body;
    pcre:"/^[\x20-\x7e\r\n]{0,13}[^\x20-\x7e\r\n]/si";
    reference:url,github.com/eset/malware-ioc/blob/master/ramsay/samples.sha256;
    classtype:command-and-control;
    sid:2030176; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_05_18, deployment Perimeter, malware_family Ramsay, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_18;
)