Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Encrypted Messaging Service in TLS SNI (getsession .org)"; flow:established,to_server; tls.sni; dotprefix; content:".getsession.org"; endswith; fast_pattern; classtype:misc-activity; sid:2050813; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_13, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_13, reviewed_at 2024_03_19;)