This indicates an access attempt to JavaRMI Registry which is bound by the server with a remote object so that the client could look up the remote object by its name in the server's registry.
It does not contain any attack or exploit.
Risk
Medium
Popularity
Medium
Characteristic
Loss of productivity? Have disclosed vulnerability? Can bypass firewall policy? Contain built-in function for other purposes? Can communicate in clear text or via proxy? Can support file transfer? Can be misused? Can tunnel other apps?