SELECT cluster_name, thrift_version, data_center, partitioner, native_protocol_version, rack, release_version from system.local;
SELECT keyspace_name FROM system.schema_keyspaces;
desc <Keyspace_name> #Decribe that DB
desc system_auth #Describe the DB called system_auth
SELECT * from system_auth.roles; #Retreive that info, can contain credential hashes
SELECT * from logdb.user_auth; #Can contain credential hashes
SELECT * from logdb.user;
SELECT * from configuration."config";