ET MALWARE RKO Remote File Upload Attempt

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE RKO Remote File Upload Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/mh/upload.php"; endswith;
    http.referer;
    content:"/mh/ftp/remote.htm"; endswith;
    http.request_body;
    content:"name|3d 22|filename|22|";
    content:"apinew.txt"; distance:4; fast_pattern;
    content:"name|3d 22|foldername|22|"; distance:0;
    content:"Files"; distance:4;
    content:"name|3d 22|data|22|"; distance:0;
    content:"name|3d 22|send|22|"; distance:0;
    content:"Send"; distance:4;
    reference:md5,37f0f9c9d9585befc8ea49b73706e47c;
    reference:url,twitter.com/James_inthe_box/status/1552756079997513728;
    classtype:trojan-activity;
    sid:2037870; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_29;
)