ET EXPLOIT Monitorr 1.7.6m RCE Exploit Attempt

alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Monitorr 1.7.6m RCE Exploit Attempt";
    flow:established,to_server;
    http.method;
    content:"POST"; nocase;
    http.uri;
    content:"/assets/php/upload.php"; nocase;
    http.request_body;
    content:"name=|22|fileToUpload|22|"; nocase;
    content:"<?";
    reference:url,github.com/Monitorr/Monitorr;
    reference:url,www.exploit-db.com/exploits/48980;
    classtype:attempted-admin;
    sid:2033599; rev:1;
    metadata:attack_target Server, created_at 2021_07_28, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2021_07_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)