alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Adobe Flash Uncompressed in HTTP Flowbit Set"; flow:established,to_client; flowbits:set,HTTP.UncompressedFlash; flowbits:noalert; file.data; content:"FWS"; within:3; classtype:not-suspicious; sid:2016394; rev:9; metadata:created_at 2013_02_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_14;)