Hackthebox challenge writeup - Under construction

Sun 07 November 2021

A writeup of how I approached the HTB challenge Under construction. Hackthebox is a fun platform that lets you work on your enumeration, pentesting and hacking skills.

Getting information

Since this is a challenge, there exist some material that we can download from the htb-site. When unarchiving the .zip file we find files that looks like a web application.

The challenge also have an active part that we can deploy from the htb-site. When we start the active part we get a ip-address and a portnumber which is pointing to a docker container.

I guess we have to find some way to login to this webpage to continue.

Since this is a webserver I threw the usual Nikto scan at it:

adrock2nd@kali:/mnt/hgfs/kali_share/underconstruction$ nikto -Cgidirs all -host 178.62.96.143 -port 32458
- Nikto v2.1.6
---------------------------------------------------------------------------
+ Target IP:          178.62.96.143
+ Target Hostname:    178.62.96.143
+ Target Port:        32458
+ Start Time:         2021-11-07 11:24:49 (GMT1)
---------------------------------------------------------------------------
+ Server: No banner retrieved
+ Retrieved x-powered-by header: Express
+ The anti-clickjacking X-Frame-Options header is not present.
+ The X-XSS-Protection header is not defined. This header can hint to the user agent to protect against some forms of XSS
+ The X-Content-Type-Options header is not set. This could allow the user agent to render the content of the site in a different fashion to the MIME type
+ Root page / redirects to: /auth
+ Allowed HTTP Methods: GET, HEAD 
+ OSVDB-3092: /auth/: This might be interesting...
+ 26524 requests: 0 error(s) and 6 item(s) reported on remote host
+ End Time:           2021-11-07 11:52:00 (GMT1) (1631 seconds)
---------------------------------------------------------------------------
+ 1 host(s) tested

but nothing of particular interest at the moment.

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