ET MALWARE Win32/RecordBreaker CnC Exfil (Cookies)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/RecordBreaker CnC Exfil (Cookies)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:32;
    http.content_type;
    content:"multipart|2f|form|2d|data|3b 20|boundary|3d|"; startswith;
    pcre:"/^(?:[a-zA-Z0-9]{16})$/R";
    http.user_agent;
    content:"record"; bsize:6; fast_pattern;
    http.host;
    pcre:"/^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$/";
    http.header_names;
    content:!"Referer";
    http.request_body;
    content:"|2d 2d|"; startswith;
    content:"filename|3d 22 5c|cookies|2e|txt|22|"; distance:60; within:30;
    reference:url,twitter.com/Threatlabz/status/1562159016091848707;
    classtype:trojan-activity;
    sid:2038610; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_24, deployment Perimeter, malware_family Win32_RecordBreaker, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_24, reviewed_at 2024_12_02;
)