alert tcp $HOME_NET any -> $EXTERNAL_NET 7680 (msg:"ET P2P MS WUDO Peer Sync"; flow:established; content:"|00 00 00 0d 06 00|"; depth:6; reference:url,bitconjurer.org/BitTorrent/protocol.html; reference:url,windows.microsoft.com/en-us/windows-10/windows-update-delivery-optimization-faq; classtype:policy-violation; sid:2022371; rev:1; metadata:created_at 2016_01_15, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)