Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Dropbox paper Domain (paper .dropbox .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:17; content:"paper.dropbox.com"; fast_pattern; classtype:misc-activity; sid:2052817; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2024_05_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2024_05_21, reviewed_at 2024_10_04;)