SMB
Nmap discovered a Windows Directory service on the target port 139 and 445
┌──(kali㉿kali)-[~/archive/htb/labs/sauna]
└─$ nmap --script smb-enum-shares -sV -p139,445 $IP
starting nmap 7.93 ( https://nmap.org ) at 2023-03-25 16:48 CET
Nmap scan report for egotistical-bank.local (10.10.10.175)
Host is up (0.027s latency).
PORT STATE SERVICE VERSION
139/tcp open netbios-ssn Microsoft Windows netbios-ssn
445/tcp open microsoft-ds?
service info: OS: Windows; CPE: cpe:/o:microsoft:windows
service detection performed. please report any incorrect results at https://nmap.org/submit/ .
nmap done: 1 IP address (1 host up) scanned in 11.11 secondsAdditional Nmap scan fails likely due to lack of privileges
Null Session
┌──(kali㉿kali)-[~/archive/htb/labs/sauna]
└─$ smbclient -L //sauna.egotistical-bank.local/
Password for [WORKGROUP\kali]:
Anonymous login successful
Sharename Type Comment
--------- ---- -------
Reconnecting with SMB1 for workgroup listing.
do_connect: Connection to sauna.egotistical-bank.local failed (Error NT_STATUS_RESOURCE_NAME_NOT_FOUND)
Unable to connect with SMB1 -- no workgroup available
┌──(kali㉿kali)-[~/archive/htb/labs/sauna]
└─$ smbmap -H sauna.egotistical-bank.local -u '' -p ''
[+] IP: sauna.egotistical-bank.local:445 Name: unknown While the target SMB server allows anonymous access, lack of privileges prevents me from even listing the shares That explains why the additional Nmap scan above failed.
I would need to a valid domain credential to proceed forward
enum4linux
┌──(kali㉿kali)-[~/archive/htb/labs/sauna]
└─$ enum4linux -a -r -o -n -A -U $IP
starting enum4linux v0.9.1 ( http://labs.portcullis.co.uk/application/enum4linux/ ) on Sat Mar 25 16:50:33 2023
[...REDACTED...]
================================( Getting domain SID for 10.10.10.175 )================================
domain name: EGOTISTICALBANK
domain sid: S-1-5-21-2966785786-3096785034-1186376766
[+] Host is part of a domain (not a workgroup)enum4linux was able to fetch the domain SID; S-1-5-21-2966785786-3096785034-1186376766
fsmith Session
┌──(kali㉿kali)-[~/archive/htb/labs/sauna]
└─$ smbmap -H sauna.egotistical-bank.local -u 'fsmith' -p 'Thestrokes23'
[+] IP: sauna.egotistical-bank.local:445 Name: unknown
Disk Permissions Comment
---- ----------- -------
ADMIN$ NO ACCESS Remote Admin
C$ NO ACCESS Default share
IPC$ READ ONLY Remote IPC
NETLOGON READ ONLY Logon server share
print$ READ ONLY Printer Drivers
RICOH Aficio SP 8300DN PCL 6 NO ACCESS We cant print money
SYSVOL READ ONLY Logon server share Using the credential of the fsmith user, I can get through the NTLM authenticate and check the SMB server
It seems that there is a printer installed; RICOH Aficio SP 8300DN PCL 6
That explains the presence of the Windows Spooler service
hsmith Session
┌──(kali㉿kali)-[~/archive/htb/labs/sauna]
└─$ smbmap -H sauna.egotistical-bank.local -u 'hsmith' -p 'Thestrokes23'
[+] ip: sauna.egotistical-bank.local:445 Name: unknown
Disk Permissions Comment
---- ----------- -------
ADMIN$ NO ACCESS Remote Admin
C$ NO ACCESS Default share
IPC$ READ ONLY Remote IPC
NETLOGON READ ONLY Logon server share
print$ READ ONLY Printer Drivers
RICOH Aficio SP 8300DN PCL 6 NO ACCESS We cant print money
SYSVOL READ ONLY Logon server share Same thing for the hsmith user
Speaking of the privileges, there isn’t much difference compared to the fsmith user