ET EXPLOIT Possible CVE-2016-10033 PHPMailer RCE Attempt

alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET EXPLOIT Possible CVE-2016-10033 PHPMailer RCE Attempt";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.request_body;
    content:"<?php"; fast_pattern;
    content:"|5c 22 20|";
    content:"-X";
    content:".php";
    content:"@";
    http.content_type;
    content:"multipart/form-data|3b|"; startswith;
    reference:url,legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html;
    reference:url,github.com/opsxcq/exploit-CVE-2016-10033;
    classtype:attempted-user;
    sid:2023686; rev:3;
    metadata:affected_product PHPMailer, attack_target Web_Server, created_at 2016_12_27, cve CVE_2016_10033, deployment Datacenter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_08_03;
)