NetBus是1990年代晚期流行的一个远程遥控软件，当时常被骇客或脚本小子作为后门程序使用，所以被视为恶意程序。NetBus主要使用12345端口通信，只能运行于Windows系统，至多支持到Windows XP，所以现今已十分罕见。

NetBus or Netbus is a software program for remotely controlling a Microsoft Windows computer system over a network. It was created in 1998 and has been very controversial for its potential of being used as a backdoor.

NetBus was written in Delphi by Carl-Fredrik Neikter, a Swedish programmer in March 1998. It was in wide circulation before Back Orifice was released, in August 1998. The author claimed that the program was meant to be used for pranks, not for illegally breaking into computer systems. Translated from Swedish, the name means "NetPrank".