alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Pirate Browser Download"; flow:established,to_server; http.uri; content:"/PirateBrowser"; content:".exe"; reference:url,piratebrowser.com; classtype:policy-violation; sid:2017329; rev:3; metadata:created_at 2013_08_15, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_24;)