Nebula - level06
About
The flag06 account credentials came from a legacy unix system. To do this level, log in as the level06 account with the password level06. Files for this level can be found in /home/flag06.
Solution
level06@nebula:~$grep flag06 /etc/passwdroot@kali#echo flag06:ueqwOCnSGdsuM:993:993::/home/flag06:/bin/sh > flag06.passwdroot@kali#john flag06.passwdlevel06@nebula:~$su flag06# use john cracked passwordsh-4.2$getflag