Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Smart Chain Domain in TLS SNI (bsc-testnet .public .blastapi .io)"; flow:established,to_server; tls.sni; dotprefix; content:".bsc-testnet.public.blastapi.io"; endswith; fast_pattern; classtype:misc-activity; sid:2066402; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_12_18, deployment Perimeter, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_18;)