Authority_NTP

NTP

---

Nmap discovered a NTP service on the target UDP port 123

┌──(kali㉿kali)-[~/archive/htb/labs/authority]
└─$ sudo nmap -sU -sV -sC -p123 $IP
[sudo] password for kali: 
starting nmap 7.93 ( https://nmap.org ) at 2023-07-17 14:14 CEST
Nmap scan report for htb.corp (10.10.11.222)
Host is up (0.097s latency).
 
PORT    STATE SERVICE VERSION
123/udp open  ntp     NTP v3
| ntp-info: 
|_  
 
host script results:
|_clock-skew: 10s
 
service detection performed. please report any incorrect results at https://nmap.org/submit/ .
nmap done: 1 IP address (1 host up) scanned in 10.87 seconds
 
┌──(kali㉿kali)-[~/archive/htb/labs/authority]
└─$ sudo nmap -sU --script "ntp* and (discovery or vuln) and not (dos or brute)" -p123 $IP
starting nmap 7.93 ( https://nmap.org ) at 2023-07-17 14:20 CEST
Nmap scan report for htb.corp (10.10.11.222)
Host is up (0.087s latency).
 
PORT    STATE SERVICE
123/udp open  ntp
| ntp-info: 
|_  receive time stamp: 2023-07-17T12:20:40
 
nmap done: 1 IP address (1 host up) scanned in 10.72 seconds

Additional Nmap scans revealed that it’s running NTP v3 It also shows the target system’s time

ntpq

---

┌──(kali㉿kali)-[~/archive/htb/labs/authority]
└─$ ntpq -c readlist $IP
***Request timed out
 
┌──(kali㉿kali)-[~/archive/htb/labs/authority]
└─$ ntpq -c readvar $IP
***Request timed out
 
┌──(kali㉿kali)-[~/archive/htb/labs/authority]
└─$ ntpq -c peers                                                                            
***Socket error; probably ntpd is not running
 
┌──(kali㉿kali)-[~/archive/htb/labs/authority]
└─$ ntpq -c associations $IP
***Request timed out

Nothing found