Malware
Backdoorit
aka backd00rit
According to Avast Decoded, Backdoorit is a multiplatform RAT written in Go programming language and supporting both Windows and Linux/Unix operating systems.
Backdoorit, also known as backd00rit, is a Linux malware family.
Background
Avast Decoded reports that Backdoorit is a cross-platform RAT coded in Go that runs on both Windows and Linux/Unix systems. Throughout its code it is frequently labeled backd00rit.
Source: Malpedia (Fraunhofer FKIE).