Warning: This post contains a solution!
Only continue if:
1.) you want to see a possible alternative solution or
2.) you are stuck and need a hint!
Connect to the server using the following credentials:
Level Goal is:
The password for the next level is stored in the file data.txt, where all lowercase (a-z) and uppercase (A-Z) letters have been rotated by 13 positions
Let us have a look at the content:
bandit11@bandit:~$ cat data.txt Gur cnffjbeq vf 5Gr8L4qetPEsPk8htqjhRK8XSP6x2RHh
From the level goal we know, that 'rotated by 13' is the method which ROT13 uses. We just need to rotate the content by 13 again:
bandit11@bandit:~$ cat data.txt | tr 'A-Za-z' 'N-ZA-Mn-za-m' The password is 5Te8Y4drgCRfCx8ugdwuEX8KFC6k2EUu