alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Adobe Flash Uncompressed in HTTP Flowbit Set"; flow:from_server,established; file_data; content:"FWS"; within:3; flowbits:set,HTTP.UncompressedFlash; flowbits:noalert; classtype:not-suspicious; sid:2016394; rev:7; metadata:created_at 2013_02_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)