Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Observed Abused Content Delivery Network Domain (btloader .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".btloader.com"; endswith; fast_pattern; classtype:bad-unknown; sid:2044750; rev:3; metadata:attack_target Client_Endpoint, created_at 2023_03_23, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_05;)