alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET EXPLOIT GuppY error.php POST Arbitrary Remote Code Execution"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/error.php?"; nocase; content:"err="; nocase; http.cookie; content:"REMOTE_ADDR="; fast_pattern; startswith; reference:bugtraq,15609; classtype:web-application-attack; sid:2003332; rev:6; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2024_03_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)