alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET DELETED GuppY error.php Arbitrary Remote Code Execution"; flow:to_server,established; content:"/error.php?"; http_uri; nocase; content:"err="; http_uri; nocase; content:"_SERVER[REMOTE_ADDR]="; http_uri; nocase; reference:bugtraq,15609; classtype:web-application-attack; sid:2002703; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, 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;)