Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Smart Chain Domain in TLS SNI (bsc .blockpi .network)"; flow:established,to_server; tls.sni; bsize:19; content:"bsc.blockpi.network"; fast_pattern; reference:url,docs.bnbchain.org/bnb-smart-chain/developers/json_rpc/json-rpc-endpoint/; classtype:misc-activity; sid:2058809; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_01_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_01_03;)