Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO External IP Address Lookup Domain (ipify .org) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".ipify.org"; endswith; fast_pattern; classtype:misc-activity; sid:2047703; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2023_08_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag External_IP_Lookup, updated_at 2023_08_22, reviewed_at 2023_08_22;)