ssh leviathan0@leviathan.labs.overthewire.org -p 2223
leviathan0

After you log in successfully, this will appear.

After running the ls command, you’ll notice a hidden folder called .backup.
ls -la
cd .backup

Inside the .backup folder, you’ll find bookmarks.html. Use the following command to grep the flag.
cat bookmarks.html | grep leviathan

Great job! Use this flag to advance to the next stage.