Skip to main content

Try Hack Me/Brains

Write-up / THM / Brains



brains.webp

 

Start the Virtual Machine

Run an nmap scan to the VM machine

image.png

From the nmap scan:  nmap -sS -sC -sV IP_THM_VM_machine

Ports 22, 80, and 50000 are open

VM machine is an Ubuntu Linux

Connect to port 80 using a web browser

image.png

In the result of the nmap, port 50000 is also open and observing the result it is an http server

50000/tcp open  ibm-db2?
| fingerprint-strings: 
|   GetRequest: 
|     HTTP/1.1 401 
|     TeamCity-Node-Id: MAIN_SERVER
|     WWW-Authenticate: Basic realm="TeamCity"
|     WWW-Authenticate: Bearer realm="TeamCity"
|     Cache-Control: no-store
|     Content-Type: text/plain;charset=UTF-8
|     Date: Fri, 18 Oct 2024 01:48:03 GMT
|     Connection: close
|     Authentication required
|     login manually go to "/login.html" page
|   drda, ibm-db2, ibm-db2-das: 
|     HTTP/1.1 400 
|     Content-Type: text/html;charset=utf-8
|     Content-Language: en
|     Content-Length: 435
|     Date: Fri, 18 Oct 2024 01:48:03 GMT
|     Connection: close
|     <!doctype html><html lang="en"><head><title>HTTP Status 400 
|     Request</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 400 

TeamCity-Node-Id: MAIN_SERVER

Connect to port 50000 using the web browser

image.png

The webserver has an application of Teamcity Version 2023.11.3 (build 147512)

Search the vulnerability of the Teamcity version 2023.11.3

 

Back to top