This is the "/.rhosts" backdoor creation daemon. This is the faked telnetd, if you connect to the telnet port of the target host which is installed this daemon from the specified host, the "/.rhosts" is rewrited to "+ +", you can login to the target host by the "rlogin target -l root". Of course, the telnetd can be used normally.
This is the "/.rhosts" backdoor creation daemon. This is the faked telnetd, if you connect to the telnet port of the target host which is installed this daemon from the specified host, the "/.rhosts" is rewrited to "+ +", you can login to the target host by the "rlogin target -l root". Of course, the telnetd can be used normally.