ET MALWARE Win32/RecordBreaker CnC Checkin - Server Response

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Win32/RecordBreaker CnC Checkin - Server Response";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"libs_";
    content:".dll"; distance:0;
    content:"sstmnfo_System Info.txt|3a|"; fast_pattern;
    content:"token|3a|";
    pcre:"/^[a-f0-9]{32}/R";
    reference:md5,f75f596f7a0369717476f304eef7fe9b;
    classtype:trojan-activity;
    sid:2036955; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_09, deployment Perimeter, malware_family RecordBreaker, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_09;
)