soal

The password for the next level is stored in the file data.txt and is the only line of text that occurs only once

ssh

sshpass -p "dfwvzFQi4mU0wfNbFOe9RoWskMLg7eEc" ssh -o StrictHostKeyChecking=no bandit8@bandit.labs.overthewire.org -p 2220

solve

sort data.txt | uniq -u

flag

4CKMh1JI91bUIZZPXDqGanal4xvAg0JM