Very similar to previous level.
Since file is anywhere on the server. We go to the top of the hierarchy tree and use the find command.
find -size 33c -user bandit7 -group bandit6
-user
specifies of user owner of the file
-group
specifies the group owner of the file
Out of many of the outputted lines on reads..
./var/lib/dpkg/info/bandit7.password
So our next step is...
Flag - z7WtoNQU2XfjmMtWA8u5rN4vzqu4v99S