I'm not responsible for anything you do with this tool.
This is the source code for a reverse backdoor tool that I use for debugging. Useful when the machine to access cannot listen on the internet.
$ docker run -it --rm --net host tiborvass/backdoor-accomplice 0.0.0.0:1234
$ docker run -dit --pid host --privileged tiborvass/backdoor $MACHINE_A_IP:1234 /bin/bash
docker build --target accomplice .
docker build --target backdoor .