Hack The Box: Beep Writeup


Hello,

This is my first writeup for the Hack The Box platform. The machine is Beep.

Let’s run nmap to see which services are running on the machine:



There were a lot of services.

On port 443 there was Apache with elastix:

 
gobuster -w /root/SecLists/Discovery/Web-Content/raft-medium-directories.txt -u https://10.10.10.7 gives a bunch of diretiories;


Running Searchsploit on elastix, we find local file inclusion vulnerability.

searchsploit -x php/webapps/37637.pl : to view the code

The LFI Exploit is a dead end as we are restricted :https://10.10.10.7/vtigercrm/graph.php?current_language=../../../../../../../..//etc/amportal.conf&module=Accounts&action.


Next we run dirbuster and see /cgi-bin/ which combined with bash gives shellshock :) Port 10000 is also open and takes us to a Webmin portal login page.

We intercept the request with burp and send to repeater then change the user agent to shell shock


Upon forwarding the request, we don't get hello output as this is not apache shellshock.

Inputting the sleep command to 1 sec, it takes 2 secs to respond giving blind code execution.

Start ncat -lvnp 8081

We use bash reverse shell from Pentest monkey reverse shell cheat sheet and we get a root shell

 







Bye!!!    FreRic Security © 2018

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