ET MALWARE X-Files Stealer CnC Exfil Activity M2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE X-Files Stealer CnC Exfil Activity M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php?Chatid=";
    http.content_type;
    content:"multipart/form-data|3b 20|boundary=|22|"; startswith;
    content:"|2d|"; distance:8; within:1;
    content:"|2d|4"; distance:4; within:2;
    content:"|2d|"; distance:3; within:1;
    content:"|2d|"; distance:4; within:1;
    content:"|22|"; distance:12; within:1; bsize:68;
    http.header_names;
    content:!"|0d 0a|User-Agent|0d 0a|";
    content:!"|0d 0a|Referer|0d 0a|";
    http.request_body;
    content:"|0d 0a|Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d|file|3b 20|filename|3d|q|3b 20|filename|2a 3d|utf|2d|8|27 27|q|0d 0a 0d 0a|PK|03 04|"; fast_pattern;
    reference:md5,c128193024853118bd07d4a4e89200bf;
    classtype:command-and-control;
    sid:2037743; rev:1;
    metadata:created_at 2022_07_12, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_12;
)