I would really appreciated if this CTF questions could solve quickly. Thank you all for help.

167.172.104.215 -p 2222 when you are use this in putty you will saw unique code. Please write this unique code. In addition write your IP adresses.

CTF QUESTION #1

There are some secrets waiting for you in the encrypted.txt in the SSH server. Your marvelous journey of cryptanalysis starts right here, right now.

HINT: Check the root folder: Use ls / command

HINT: alphabet is (39 chars) - abcdefghijklmnopqrstuvwxyz0123456789:/.

HINT: https://cryptii.com/pipes/caesar-cipher

HINT: Brute force shift key

CTF QUESTION #2

You will have a webpage link from Question 1. There is an image waiting for you to apply stego on the webpage from CTF Question #1. The webpage is prepared with Wordpress, maybe you need to login to solve the mystery, maybe not!

HINT: Always view the source code or console.log. You will find a password for stego.

This is a password not a flag. With using this password, apply stego to the picture that you downloaded from the webpage then you will find the FLAG.

CTF QUESTION #3

The server is being nasty every day and someone unauthorized is connecting to it to do some nasty stuff, find out what is going on: @ 167.172.104.215.

HINT: ssh root@167.172.104.215 -p 2222

Have a look at the /var/log/cron! You will find a file to download.

CTF QUESTION #4

Reverse Engineer the botnet from CTF Question #3, there is a flag waiting for you.

HINT: Use Radare

CTF QUESTION #5

Have you found out who is responsible for the inconvenience at the server? Check the incoming to see if you can find any flags!

HINT: Check messages.log and search FLAG with grep command.

CTF QUESTION #6

The server is being audited all the time, please delete all your logs from the SSH server, now

HINT: bash_history is the file to disappear.

CTF QUESTION #7

We understand your ambition, don't let anyone win! We seriously think that you should do some harm to the SSH server!

HINT: Try to remove all the files

CTF QUESTION #8

FLAGCEPTION: This document has a flag connected to it, can you find it?

HINT: twitter/explore - archive.org