alert tcp-pkt any any -> $HOME_NET any (msg:"ET INFO Apache Spark RPC - Auth Request (set)"; flow:established,to_server; flowbits:set,ET.ApacheSpark_AuthAttempted; flowbits:noalert; content:"sparkSaslUser|00 00 00 00|"; endswith; classtype:not-suspicious; sid:2035002; rev:2; metadata:attack_target Server, created_at 2022_01_28, deployment Internal, deployment Datacenter, confidence High, signature_severity Informational, updated_at 2022_01_28;)