HackTheBox | Cobblestone

In this walkthrough, I demonstrate how I obtained complete ownership of Cobblestone on HackTheBox
Owned Cobblestone from Hack The Box!
I have just owned machine Cobblestone from Hack The Box

Nmap Results

# Nmap 7.95 scan initiated Mon Aug 11 12:02:45 2025 as: /usr/lib/nmap/nmap -Pn -p- --min-rate 2000 -sC -sV -oN nmap-scan.txt 10.129.218.98
Nmap scan report for 10.129.218.98
Host is up (0.017s latency).
Not shown: 65533 closed tcp ports (reset)
PORT   STATE SERVICE VERSION
22/tcp open  ssh     OpenSSH 9.2p1 Debian 2+deb12u7 (protocol 2.0)
| ssh-hostkey: 
|   256 50:ef:5f:db:82:03:36:51:27:6c:6b:a6:fc:3f:5a:9f (ECDSA)
|_  256 e2:1d:f3:e9:6a:ce:fb:e0:13:9b:07:91:28:38:ec:5d (ED25519)
80/tcp open  http    Apache httpd 2.4.62
|_http-server-header: Apache/2.4.62 (Debian)
|_http-title: Did not follow redirect to http://cobblestone.htb/
Service Info: Host: 127.0.0.1; OS: Linux; CPE: cpe:/o:linux:linux_kernel

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
# Nmap done at Mon Aug 11 12:03:29 2025 -- 1 IP address (1 host up) scanned in 44.76 seconds
My CTF Methodology
In this post, I examine the steps I take to approach a typical CTF in the form of a vulnerable target (also known as boot2root), and elaborate on steps at each phase.

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