BBD is a passcode protected remote backdoor with configurable TCP port. After login the backdoor reports if any users or root users are logged in. Allows remote command execution and file upload.
You can download it from the following link: https://packetstormsecurity.com/files/download/30499/BBD-0.4.tgz
Source: https://packetstormsecurity.com/files/30499/BBD-0.4.tgz.html