alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Possible Foxit PDF Reader Authentication Bypass Attempt"; flow:established,to_client; file_data; content:"%PDF-"; within:5; content:"Type/Action"; distance:0; nocase; content:"Launch"; nocase; within:40; content:"NewWindow true"; nocase; distance:0; pcre:"/Type\x2FAction.+Launch.+\x28\x2F[a-z]\x2F[a-z].+NewWindow\x20true/si"; reference:url,www.coresecurity.com/content/foxit-reader-vulnerabilities#lref.4; reference:cve,2009-0836; classtype:attempted-user; sid:2010878; rev:8; metadata:created_at 2010_07_30, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)