WELCOME TO THE UPPERCASE SHELL
>> $0
$ /bin/bash
bandit33@bandit:~$ ls
uppershell
bandit33@bandit:~$ cat /etc/bandit_pass/bandit33
tQdtbs5D5i2vJwkO8mEyYEyTL8izoeJ0

Flag: tQdtbs5D5i2vJwkO8mEyYEyTL8izoeJ0