alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT Possible Joomla RCE (CVE-2011-5148)"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|"; content:"filename="; distance:0; pcre:"/\.(?:(php\d{0,}|phps|pht|phtm|phtml|shtml|htaccess|phar|inc))/Ri"; content:"base64_decode"; fast_pattern; distance:0; http.content_type; content:"image/gif"; distance:0; reference:url,www.exploit-db.com/exploits/18287; reference:cve,2011-5148; classtype:attempted-admin; sid:2034850; rev:2; metadata:affected_product Wordpress_Plugins, attack_target Client_Endpoint, created_at 2021_12_30, cve CVE_2011_5148, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_06;)