RAT
OrcaRAT
OrcaRAT is a Backdoor that targets the Windows platform.
OrcaRAT is a Windows rat.
Background
OrcaRAT is a Windows backdoor, with one variant reported to have featured in a targeted intrusion. It reaches out to a remote server to transmit details about the host and, in return, accepts commands that let it run shell instructions and transfer files in either direction, among other capabilities.
Source: Malpedia (Fraunhofer FKIE).