Brute It CTF (THM)

BRUTE IT

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SCANNING AND ENUMERATION

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NMAP SCAN

This machine has a ssh server running on port 22 and a web server running at port 80

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GOBUSTER SCAN

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I found a hidden directory with name ‘’admin’’

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Enumerating the website

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Looking at the source code we found out that the username is ‘’admin’’

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EXPLOITATION

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BRUTE-FORCING INTO ADMIN

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USING HYDRA

Using the following command I found the password for user ‘’admin’’ on the admin page

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LOGGING IN AS ADMIN

Using the username and password I logged in into the website and found a private key

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USING PRIVATE KEY TO LOG INTO SSH

I needed to change the privileges of the key and got the passphrase using ssh to John

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I logged in into SSH using the private key and found out the user flag.

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PRIVESC

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I ran ‘’sudo -l’’ command I found out that I can run ‘’cat’’ command as a superuser.

Therefore, I used ‘cat’ to get the /etc/shadow/ file with the password hash for root.

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Using John I cracker the password hash and finally switched to root user

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