alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS REALTOR define.php Remote File Inclusion"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/define.php?"; nocase; content:"INC_DIR="; fast_pattern; nocase; pcre:"/INC_DIR=\s*(ftps?|https?|php)\:\//i"; reference:bugtraq,33227; reference:url,milw0rm.com/exploits/7743; classtype:web-application-attack; sid:2009101; rev:5; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_18, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)