alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY NBC Streaming Video"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".smil"; endswith; nocase; http.host; content:"video.nbcuni.com"; startswith; classtype:policy-violation; sid:2007764; rev:7; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_02;)