alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET P2P BitTorrent - Torrent File Downloaded"; flow:established,to_client; file_data; content:"d8|3a|announce"; within:11; content:!"mapfactor.com"; classtype:policy-violation; sid:2014734; rev:5; metadata:created_at 2012_05_11, confidence High, signature_severity Informational, updated_at 2019_07_26;)