Developer

Port scan

$ echo "10.10.11.103 developer.htb" | sudo tee -a /etc/hosts 

$ sudo nmap 10.10.11.103 -p- --min-rate=10000 -T4 -sCV
PORT   STATE SERVICE VERSION
22/tcp open  ssh     OpenSSH 8.2p1 Ubuntu 4ubuntu0.3 (Ubuntu Linux; protocol 2.0)
| ssh-hostkey: 
|   3072 36:aa:93:e4:a4:56:ab:39:86:66:bf:3e:09:fa:eb:e0 (RSA)
|   256 11:fb:e9:89:2e:4b:66:40:7b:6b:01:cf:f2:f2:ee:ef (ECDSA)
|_  256 77:56:93:6e:5f:ea:e2:ad:b0:2e:cf:23:9d:66:ed:12 (ED25519)
80/tcp open  http    Apache httpd 2.4.41
|_http-title: Developer: Free CTF Platform
|_http-server-header: Apache/2.4.41 (Ubuntu)
Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel

Web APP

$ gobuster dir -u http://developer.htb -w /usr/share/wordlists/dirb/common.txt

http://developer.htb/admin/login/?next=/admin/