alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET WEB_SPECIFIC_APPS nweb2fax viewrq.php var_filename Parameter Directory Traversal"; flow:to_server,established; content:"GET "; depth:4; content:"/viewrq.php?"; http_uri; nocase; content:"format=ps"; http_uri; nocase; content:"var_filename="; http_uri; content:"../"; reference:bugtraq,29804; reference:url,milw0rm.com/exploits/5856; classtype:web-application-attack; sid:2009501; rev:5; metadata:created_at 2010_07_30, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1083, mitre_technique_name File_And_Directory_Discovery; target:dest_ip;)