1 recon

$ nmap -sV -sC -A $ip -Pn
Host discovery disabled (-Pn). All addresses will be marked 'up' and scan times will be slower.
Starting Nmap 7.91 ( https://nmap.org ) at 2021-04-18 14:48 PDT
Nmap scan report for 10.10.12.86
Host is up (0.14s latency).
Not shown: 998 closed ports
PORT      STATE SERVICE VERSION
9999/tcp  open  abyss?
| fingerprint-strings: 
|   NULL: 
|     _| _| 
|     _|_|_| _| _|_| _|_|_| _|_|_| _|_|_| _|_|_| _|_|_| 
|     _|_| _| _| _| _| _| _| _| _| _| _| _|
|     _|_|_| _| _|_|_| _| _| _| _|_|_| _|_|_| _| _|                                                                                                                      
|     [________________________ WELCOME TO BRAINPAN _________________________]                                                                                           
|_    ENTER THE PASSWORD                                                                                                                                                 
10000/tcp open  http    SimpleHTTPServer 0.6 (Python 2.7.3)                                       
|_http-server-header: SimpleHTTP/0.6 Python/2.7.3                                                 

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 87.22 seconds