Malware
RMS
aka Gussdoor · Remote Manipulator System · RuRAT
CyberInt states that Remote Manipulator System (RMS) is a legitimate tool developed by Russian organization TektonIT and has been observed in campaigns conducted by TA505 as well as numerous smaller c
RMS, also known as Gussdoor, Remote Manipulator System, RuRAT, is a Windows malware family operated by TA505.
Background
According to CyberInt, Remote Manipulator System (RMS) is a genuine application from the Russian firm TektonIT that has turned up in TA505 operations as well as many smaller campaigns probably run by various other, unrelated threat actors. Beyond its paid commercial licensing, the tool is offered free for non-commercial use and can remotely administer both Microsoft Windows and Android devices.
Source: Malpedia (Fraunhofer FKIE).