Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO Observed Smart Chain Domain in DNS Lookup (bsc-mainnet .rpcfast .com)"; dns.query; bsize:23; content:"bsc-mainnet.rpcfast.com"; nocase; reference:url,docs.bnbchain.org/bnb-smart-chain/developers/json_rpc/json-rpc-endpoint/; classtype:misc-activity; sid:2058755; 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;)