loopdoor

Loopdoor is a command-line tool that wrap SSH Reverse Tunnel to connect master station (laptop, server, etc...) placed outside a private LAN and get control of slave station placed inside the private LAN.

Setup master station

The master station need to have Docker installed, than run this command and wait for slave station connection.

$ curl -XPOST master.ipqueue.com && docker run --rm -it -p 55555:55555 \
       -e LOOPDOOR_PASSWORD=loopdoor -e SLAVE_USER=ubuntu -e SLAVE_PASSWORD=ubuntu javanile/loopdoor

Setup slave station

The slave station need to have SSH Client installed.

$ curl -sL javanile.github.io/loopdoor/setup | sudo -E bash -

$ curl -OL javanile.github.io/loopdoor/loopdoor
$ chmod +x loopdoor
$ sudo loopdoor /usr/local/bin

$ curl -OL javanile.github.io/loopdoor/loopdoor.service
$ chmod +x loopdoor.service
$ sudo loopdoor.servive /etc/systemd/system

## public backdoor server
varsion: '3'

services:
  backdoor:
    image: javanile/backdoor
    ports:    
      - '10022:10022'

## private backdoor target
varsion: '3'

services:
  backdoor:
    image: javanile/backdoor
    environment:
      - BACKDOOR_HOST=<public-server-host>
      - BACKDOOR_BIND=50000

## private backdoor client (need access to target)
varsion: '3'

services:
  backdoor:
    image: javanile/backdoor
    environment:
      - BACKDOOR_HOST=<public-server-host>
      - BACKDOOR_OPEN=50000

docker run --rm -p 10022:10022 javanile/backdoor

docker run --rm -d
-e BACKDOOR_HOST=private.backdoor.net
-e BACKDOOR_PORT=10022
-e BACKDOOR_BIND=50000 \ javanile/backdoor

docker run --rm -it \
-e BACKDOOR_HOST=private.backdoor.net
-e BACKDOOR_PORT=10022
-e BACKDOOR_OPEN=50000 \ -e BACKDOOR_USER=root
javanile/backdoor

ssh -p 10022 [email protected] -R 19999:localhost:2

ssh -p 10022 backdoor@localhost 19999

curl -sL https://javanile.github.io/backdoor/setup | sudo -E bash -

backdoor bind 50000

backdoor open 50000