alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY exe download via HTTP - Informational"; flow:established,to_server; content:".exe"; http_uri; nocase; content:"GET"; http_method; nocase; pcre:"/\.exe\b/Ui"; classtype:policy-violation; sid:2003595; rev:6; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2019_07_26;)