Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Dropbox paper Domain (paper-attachments .dropboxusercontent .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:40; content:"paper-attachments.dropboxusercontent.com"; fast_pattern; classtype:misc-activity; sid:2052815; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2024_05_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2024_05_21;)