alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET WEB_SPECIFIC_APPS REALTOR define.php Remote File Inclusion"; flow:established,to_server; content:"GET "; depth:4; content:"/define.php?"; http_uri; nocase; content:"INC_DIR="; http_uri; nocase; pcre:"/INC_DIR=\s*(ftps?|https?|php)\:\//Ui"; reference:bugtraq,33227; reference:url,milw0rm.com/exploits/7743; classtype:web-application-attack; sid:2009101; rev:4; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)