alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SERVER PHP Possible http Remote File Inclusion Attempt"; flow:established,to_server; content:".php?"; http_uri; content:"=http|3a|//"; http_uri; reference:cve,2002-0953; reference:url,diablohorn.wordpress.com/2010/01/16/interesting-local-file-inclusion-method/; classtype:web-application-attack; sid:2012997; rev:4; metadata:created_at 2011_06_10, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)