deepcodesec/busybox-telnet repository overview

⁠Telnet Server on BusyBox

Todo

⁠Introduction

Once the Docker container is up and running, use telnet_user and telnet_pass as credentials to login to the Telnet server:

#> telnet 127.0.0.1 10023
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.

91554d777a31 login: telnet_user
Password: 

⁠Configuration

Todo

• TELNET_USER; environment variable to specify the username to login into the Telnet server;
• TELNET_PASS; environment variable to specify the password to login into the Telnet server;
• TELNET_HOME; environment variable to specify the home directory of the Telnet user.

⁠Building

When the container is ready to be built, use the make build command:

#> make build

⁠Push to Repository

If not already done, login to the Docker service using the docker login and use the make push commands to upload the container to the public repository.

#> docker login --username deepcodesec
Password:

#> make push
[...]

⁠Post-Build

Once the image has been successfully pushed to the Docker repository, you may clean the remaining artefacts using the make clean command.

⁠References

• https://github.com/OpenSMTPD/OpenSMTPD/⁠
• https://www.exploit-db.com/exploits/47984⁠
• https://wiki.archlinux.org/index.php/OpenSMTPD⁠