alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Possible Wordpress Super Cache Plugin PHP Injection mfunc"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"comment"; nocase; content:"mfunc"; fast_pattern; nocase; distance:0; pcre:"/(?:%3C%21|\<\!)--[\r\n\s]*?mfunc/i"; classtype:attempted-user; sid:2016788; rev:3; metadata:affected_product Wordpress, affected_product Wordpress_Plugins, attack_target Web_Server, created_at 2013_04_26, deployment Datacenter, confidence Medium, signature_severity Major, tag Wordpress, updated_at 2020_04_24;)