Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Observed AutoDesk Domain in TLS SNI (autodesk360 .com)"; flow:established,to_server; tls.sni; dotprefix; content:".autodesk360.com"; endswith; fast_pattern; classtype:bad-unknown; sid:2034097; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_10_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_04;)