These levels recently have been a welcoming change. Level 12 was quiet taxing on the old brain muscles. So it’s been quite enjoying to slow down a bit, and I hope that bandit level 15 goes the same way. If you haven’t had a chance to read my OverTheWire Bandit Write Up – Level 14 write up, give it a quick read then head back over here.

Level 15

Very similarly to the last level I need to submit the password from the previous level to `localhost` on port `30001` using SSL encryption.

Let’s Start Hacking Then

So as normal I need to get connected to the bandit level 15 system. So I need to spin up a fresh terminal and start the SSH connection.

ssh -p 2220

I enter the password I gained from the last level, it works, and I’m in. Knowing that I need to submit the password from the last level to port `30001` I can guess that there isn’t any files in the directory. But it would be silly at this point not to have a look. So I run the `ls` command, and as to be expected there is nothing the directory.

I can now start to work on submitting the password to the port over SSL. Doing some light Googling I found from the man page that I can use the `openssl` command with the `s_client` parameter to establish a SSL connection to a server. Knowing this now I run the following command.

openssl s_client -connect localhost:30001

…and I have a connection established. All I need to do now is send the password from the previous level. I enter the following;


Pressing return key and I am presented with Correct!

…and Wham! Bam! Thank you ma’am! I have the password now for level 16.

Level 15 Complete

I have hidden the password here, if you are playing along don’t peek! Please! It’s more fun getting it yourself.

Categories: Hacking

Justin Byrne

Justin Byrne is a self motivated tech enthusiasts. Spending more than half his life dedicated to the tech industry. He built his first computer at the age of 11, and has been building ever since. His interests have changed across the years from system building to web programming and even a dab of software engineering, and just like his interests, his operating system has changed sometimes more then 4 times a year.


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