New answers tagged putty
You can generate the ssh key and add generated SSH key in the file ~/.ssh/authorized_keys. Seems that root login is disabled in sshd_config file. You can check it also.
According to XTerm Control Sequences, those are responses for a particular flavor of mouse, "SGR (1006)". Your terminal was perhaps initialized to send those, e.g., in continuous mode, and on resizing you are seeing the effect of your mouse movement relative to the screen.
Top 50 recent answers are included