Recon

$ nmap -p- --min-rate=1000 -Pn 192.168.213.172
Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-08-30 07:49 CDT
Nmap scan report for 192.168.213.172
Host is up (0.042s latency).
Not shown: 65515 filtered tcp ports (no-response)
PORT      STATE SERVICE
53/tcp    open  domain
88/tcp    open  kerberos-sec
135/tcp   open  msrpc
139/tcp   open  netbios-ssn
389/tcp   open  ldap
445/tcp   open  microsoft-ds
464/tcp   open  kpasswd5
593/tcp   open  http-rpc-epmap
636/tcp   open  ldapssl
3268/tcp  open  globalcatLDAP
3269/tcp  open  globalcatLDAPssl
3389/tcp  open  ms-wbt-server
5985/tcp  open  wsman
9389/tcp  open  adws
49666/tcp open  unknown
49667/tcp open  unknown
49673/tcp open  unknown
49674/tcp open  unknown
49677/tcp open  unknown
49704/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 101.52 seconds

$ nmap -p- -sCVT -Pn 192.168.213.172
Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-08-30 08:08 CDT
Nmap scan report for 192.168.213.172
Host is up (0.045s latency).
Not shown: 65514 filtered tcp ports (no-response)
PORT      STATE SERVICE       VERSION
53/tcp    open  domain        Simple DNS Plus
88/tcp    open  kerberos-sec  Microsoft Windows Kerberos (server time: 2024-08-30 13:10:25Z)
135/tcp   open  msrpc         Microsoft Windows RPC
139/tcp   open  netbios-ssn   Microsoft Windows netbios-ssn
389/tcp   open  ldap          Microsoft Windows Active Directory LDAP (Domain: vault.offsec0., Site: Default-First-Site-Name)
445/tcp   open  microsoft-ds?
464/tcp   open  kpasswd5?
593/tcp   open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
636/tcp   open  tcpwrapped
3268/tcp  open  ldap          Microsoft Windows Active Directory LDAP (Domain: vault.offsec0., Site: Default-First-Site-Name)
3269/tcp  open  tcpwrapped
3389/tcp  open  ms-wbt-server Microsoft Terminal Services
|_ssl-date: 2024-08-30T13:11:54+00:00; 0s from scanner time.
| ssl-cert: Subject: commonName=DC.vault.offsec
| Not valid before: 2024-08-02T06:59:48
|_Not valid after:  2025-02-01T06:59:48
| rdp-ntlm-info: 
|   Target_Name: VAULT
|   NetBIOS_Domain_Name: VAULT
|   NetBIOS_Computer_Name: DC
|   DNS_Domain_Name: vault.offsec
|   DNS_Computer_Name: DC.vault.offsec
|   DNS_Tree_Name: vault.offsec
|   Product_Version: 10.0.17763
|_  System_Time: 2024-08-30T13:11:14+00:00
5985/tcp  open  http          Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Not Found
9389/tcp  open  mc-nmf        .NET Message Framing
49666/tcp open  msrpc         Microsoft Windows RPC
49667/tcp open  msrpc         Microsoft Windows RPC
49673/tcp open  ncacn_http    Microsoft Windows RPC over HTTP 1.0
49674/tcp open  msrpc         Microsoft Windows RPC
49677/tcp open  msrpc         Microsoft Windows RPC
49704/tcp open  msrpc         Microsoft Windows RPC
49810/tcp open  msrpc         Microsoft Windows RPC
Service Info: Host: DC; OS: Windows; CPE: cpe:/o:microsoft:windows

Host script results:
| smb2-time: 
|   date: 2024-08-30T13:11:18
|_  start_date: N/A
| smb2-security-mode: 
|   3:1:1: 
|_    Message signing enabled and required

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 230.62 seconds

$ echo 192.168.213.172 DC vault.offsec DC.vault.offsec | sudo tee -a /etc/hosts