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;)