alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Foxit PDF Reader Buffer Overflow Attempt"; flow:established,to_client; content:"PDF-"; depth:300; content:"Launch"; nocase; distance:0; isdataat:600,relative; content:!"|0A|"; within:600; content:"NewWindow true"; nocase; distance:600; reference:url,www.coresecurity.com/content/foxit-reader-vulnerabilities#lref.4; reference:cve,2009-0837; classtype:attempted-user; sid:2010876; rev:5; metadata:created_at 2010_07_30, confidence High, signature_severity Unknown, updated_at 2019_07_26;)