Difference between revisions of "MSF: SMB Scan"
Onnowpurbo (talk | contribs) (Created page with "Sumber: https://www.offensive-security.com/metasploit-unleashed/scanner-smb-auxiliary-modules/ pipe_auditor The pipe_auditor scanner will determine what named pipes are a...") |
Onnowpurbo (talk | contribs) |
||
Line 3: | Line 3: | ||
− | + | ==pipe_auditor== | |
− | pipe_auditor | ||
The pipe_auditor scanner will determine what named pipes are available over SMB. In your information gathering stage, this can provide you with some insight as to some of the services that are running on the remote system. | The pipe_auditor scanner will determine what named pipes are available over SMB. In your information gathering stage, this can provide you with some insight as to some of the services that are running on the remote system. | ||
− | + | use auxiliary/scanner/smb/pipe_auditor | |
− | + | show options | |
− | Module options: | + | Module options: |
+ | |||
+ | Name Current Setting Required Description | ||
+ | ---- --------------- -------- ----------- | ||
+ | RHOSTS yes The target address range or CIDR identifier | ||
+ | SMBDomain WORKGROUP no The Windows domain to use for authentication | ||
+ | SMBPass no The password for the specified username | ||
+ | SMBUser no The username to authenticate as | ||
+ | THREADS 1 yes The number of concurrent threads | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | + | set RHOSTS 192.168.1.150-160 | |
+ | set THREADS 11 | ||
+ | run | ||
− | + | [*] 192.168.1.150 - Pipes: \browser | |
+ | [*] 192.168.1.160 - Pipes: \browser | ||
+ | [*] Scanned 02 of 11 hosts (018% complete) | ||
+ | [*] Scanned 10 of 11 hosts (090% complete) | ||
+ | [*] Scanned 11 of 11 hosts (100% complete) | ||
+ | [*] Auxiliary module execution completed | ||
− | + | We can see that running the scanner without credentials does not return a great deal of information. If, however, you have been provided with credentials as part of a pentest, you will find that the pipe_auditor scanner returns a great deal more information. | |
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | + | set SMBPass s3cr3t | |
+ | set SMBUser Administrator | ||
+ | run | ||
− | + | [*] 192.168.1.150 - Pipes: \netlogon, \lsarpc, \samr, \browser, \atsvc, \DAV RPC SERVICE, \epmapper, \eventlog, \InitShutdown, \keysvc, \lsass, \ntsvcs, \protected_storage, \scerpc, \srvsvc, \trkwks, \wkssvc | |
− | + | [*] Scanned 02 of 11 hosts (018% complete) | |
− | + | [*] 192.168.1.160 - Pipes: \netlogon, \lsarpc, \samr, \browser, \atsvc, \DAV RPC SERVICE, \epmapper, \eventlog, \InitShutdown, \keysvc, \lsass, \ntsvcs, \protected_storage, \router, \scerpc, \srvsvc, \trkwks, \wkssvc | |
− | + | [*] Scanned 04 of 11 hosts (036% complete) | |
− | + | [*] Scanned 08 of 11 hosts (072% complete) | |
+ | [*] Scanned 09 of 11 hosts (081% complete) | ||
+ | [*] Scanned 11 of 11 hosts (100% complete) | ||
+ | [*] Auxiliary module execution completed | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | pipe_dcerpc_auditor | + | ==pipe_dcerpc_auditor== |
The pipe_dcerpc_auditor scanner will return the DCERPC services that can be accessed via a SMB pipe. | The pipe_dcerpc_auditor scanner will return the DCERPC services that can be accessed via a SMB pipe. | ||
− | + | use auxiliary/scanner/smb/pipe_dcerpc_auditor | |
− | + | show options | |
− | Module options: | + | Module options: |
+ | |||
+ | Name Current Setting Required Description | ||
+ | ---- --------------- -------- ----------- | ||
+ | RHOSTS 192.168.1.150-160 yes The target address range or CIDR identifier | ||
+ | SMBDomain WORKGROUP no The Windows domain to use for authentication | ||
+ | SMBPIPE BROWSER yes The pipe name to use (BROWSER) | ||
+ | SMBPass no The password for the specified username | ||
+ | SMBUser no The username to authenticate as | ||
+ | THREADS 11 yes The number of concurrent threads | ||
− | + | set RHOSTS 192.168.1.150-160 | |
− | + | set THREADS 11 | |
− | + | run | |
− | |||
− | |||
− | |||
− | |||
− | |||
− | + | The connection was refused by the remote host (192.168.1.153:139). | |
− | + | The connection was refused by the remote host (192.168.1.153:445). | |
− | + | 192.168.1.160 - UUID 00000131-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER | |
− | + | 192.168.1.150 - UUID 00000131-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER | |
− | + | 192.168.1.160 - UUID 00000134-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER | |
+ | 192.168.1.150 - UUID 00000134-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER | ||
+ | 192.168.1.150 - UUID 00000143-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER | ||
+ | 192.168.1.160 - UUID 00000143-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER | ||
+ | ...snip... | ||
− | + | ==smb2== | |
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | smb2 | ||
The SMB2 scanner module simply scans the remote hosts and determines if they support the SMB2 protocol. | The SMB2 scanner module simply scans the remote hosts and determines if they support the SMB2 protocol. | ||
− | + | use auxiliary/scanner/smb/smb2 | |
− | + | show options | |
− | |||
− | |||
− | + | Module options: | |
− | + | ||
− | + | Name Current Setting Required Description | |
− | + | ---- --------------- -------- ----------- | |
− | + | RHOSTS yes The target address range or CIDR identifier | |
+ | RPORT 445 yes The target port | ||
+ | THREADS 1 yes The number of concurrent threads | ||
− | + | set RHOSTS 192.168.1.150-165 | |
− | + | set THREADS 16 | |
− | + | run | |
− | |||
− | |||
[*] 192.168.1.162 supports SMB 2 [dialect 255.2] and has been online for 618 hours | [*] 192.168.1.162 supports SMB 2 [dialect 255.2] and has been online for 618 hours |
Revision as of 04:58, 4 May 2017
Sumber: https://www.offensive-security.com/metasploit-unleashed/scanner-smb-auxiliary-modules/
pipe_auditor
The pipe_auditor scanner will determine what named pipes are available over SMB. In your information gathering stage, this can provide you with some insight as to some of the services that are running on the remote system.
use auxiliary/scanner/smb/pipe_auditor show options
Module options: Name Current Setting Required Description ---- --------------- -------- ----------- RHOSTS yes The target address range or CIDR identifier SMBDomain WORKGROUP no The Windows domain to use for authentication SMBPass no The password for the specified username SMBUser no The username to authenticate as THREADS 1 yes The number of concurrent threads
set RHOSTS 192.168.1.150-160 set THREADS 11 run
[*] 192.168.1.150 - Pipes: \browser [*] 192.168.1.160 - Pipes: \browser [*] Scanned 02 of 11 hosts (018% complete) [*] Scanned 10 of 11 hosts (090% complete) [*] Scanned 11 of 11 hosts (100% complete) [*] Auxiliary module execution completed
We can see that running the scanner without credentials does not return a great deal of information. If, however, you have been provided with credentials as part of a pentest, you will find that the pipe_auditor scanner returns a great deal more information.
set SMBPass s3cr3t set SMBUser Administrator run
[*] 192.168.1.150 - Pipes: \netlogon, \lsarpc, \samr, \browser, \atsvc, \DAV RPC SERVICE, \epmapper, \eventlog, \InitShutdown, \keysvc, \lsass, \ntsvcs, \protected_storage, \scerpc, \srvsvc, \trkwks, \wkssvc [*] Scanned 02 of 11 hosts (018% complete) [*] 192.168.1.160 - Pipes: \netlogon, \lsarpc, \samr, \browser, \atsvc, \DAV RPC SERVICE, \epmapper, \eventlog, \InitShutdown, \keysvc, \lsass, \ntsvcs, \protected_storage, \router, \scerpc, \srvsvc, \trkwks, \wkssvc [*] Scanned 04 of 11 hosts (036% complete) [*] Scanned 08 of 11 hosts (072% complete) [*] Scanned 09 of 11 hosts (081% complete) [*] Scanned 11 of 11 hosts (100% complete) [*] Auxiliary module execution completed
pipe_dcerpc_auditor
The pipe_dcerpc_auditor scanner will return the DCERPC services that can be accessed via a SMB pipe.
use auxiliary/scanner/smb/pipe_dcerpc_auditor show options
Module options: Name Current Setting Required Description ---- --------------- -------- ----------- RHOSTS 192.168.1.150-160 yes The target address range or CIDR identifier SMBDomain WORKGROUP no The Windows domain to use for authentication SMBPIPE BROWSER yes The pipe name to use (BROWSER) SMBPass no The password for the specified username SMBUser no The username to authenticate as THREADS 11 yes The number of concurrent threads
set RHOSTS 192.168.1.150-160 set THREADS 11 run
The connection was refused by the remote host (192.168.1.153:139). The connection was refused by the remote host (192.168.1.153:445). 192.168.1.160 - UUID 00000131-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER 192.168.1.150 - UUID 00000131-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER 192.168.1.160 - UUID 00000134-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER 192.168.1.150 - UUID 00000134-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER 192.168.1.150 - UUID 00000143-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER 192.168.1.160 - UUID 00000143-0000-0000-c000-000000000046 0.0 OPEN VIA BROWSER ...snip...
smb2
The SMB2 scanner module simply scans the remote hosts and determines if they support the SMB2 protocol.
use auxiliary/scanner/smb/smb2 show options
Module options: Name Current Setting Required Description ---- --------------- -------- ----------- RHOSTS yes The target address range or CIDR identifier RPORT 445 yes The target port THREADS 1 yes The number of concurrent threads
set RHOSTS 192.168.1.150-165 set THREADS 16 run
[*] 192.168.1.162 supports SMB 2 [dialect 255.2] and has been online for 618 hours [*] Scanned 06 of 16 hosts (037% complete) [*] Scanned 13 of 16 hosts (081% complete) [*] Scanned 14 of 16 hosts (087% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb2) >
smb_enumshares
The smb_enumshares module, as would be expected, enumerates any SMB shares that are available on a remote system.
msf > use auxiliary/scanner/smb/smb_enumshares msf auxiliary(smb_enumshares) > show options
Module options (auxiliary/scanner/smb/smb_enumshares):
Name Current Setting Required Description ---- --------------- -------- ----------- LogSpider 3 no 0 = disabled, 1 = CSV, 2 = table (txt), 3 = one liner (txt) (Accepted: 0, 1, 2, 3) MaxDepth 999 yes Max number of subdirectories to spider RHOSTS yes The target address range or CIDR identifier SMBDomain . no The Windows domain to use for authentication SMBPass no The password for the specified username SMBUser no The username to authenticate as ShowFiles false yes Show detailed information when spidering SpiderProfiles true no Spider only user profiles when share = C$ SpiderShares false no Spider shares recursively THREADS 1 yes The number of concurrent threads USE_SRVSVC_ONLY false yes List shares only with SRVSVC
msf auxiliary(smb_enumshares) > set RHOSTS 192.168.1.150-165 RHOSTS => 192.168.1.150-165 msf auxiliary(smb_enumshares) > set THREADS 16 THREADS => 16 msf auxiliary(smb_enumshares) > run
[*] 192.168.1.154:139 print$ - Printer Drivers (DISK), tmp - oh noes! (DISK), opt - (DISK), IPC$ - IPC Service (metasploitable server (Samba 3.0.20-Debian)) (IPC), ADMIN$ - IPC Service (metasploitable server (Samba 3.0.20-Debian)) (IPC) Error: 192.168.1.160 Rex::Proto::SMB::Exceptions::ErrorCode The server responded with error: STATUS_ACCESS_DENIED (Command=37 WordCount=0) Error: 192.168.1.160 Rex::Proto::SMB::Exceptions::ErrorCode The server responded with error: STATUS_ACCESS_DENIED (Command=37 WordCount=0) [*] 192.168.1.161:139 IPC$ - Remote IPC (IPC), ADMIN$ - Remote Admin (DISK), C$ - Default share (DISK) Error: 192.168.1.162 Rex::Proto::SMB::Exceptions::ErrorCode The server responded with error: STATUS_ACCESS_DENIED (Command=37 WordCount=0) Error: 192.168.1.150 Rex::Proto::SMB::Exceptions::ErrorCode The server responded with error: STATUS_ACCESS_DENIED (Command=37 WordCount=0) Error: 192.168.1.150 Rex::Proto::SMB::Exceptions::ErrorCode The server responded with error: STATUS_ACCESS_DENIED (Command=37 WordCount=0) [*] Scanned 06 of 16 hosts (037% complete) [*] Scanned 09 of 16 hosts (056% complete) [*] Scanned 10 of 16 hosts (062% complete) [*] Scanned 14 of 16 hosts (087% complete) [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_enumshares) >
As you can see, since this is an un-credentialed scan, access is denied a most of the systems that are probed. Passing user credentials to the scanner will produce much different results.
msf auxiliary(smb_enumshares) > set SMBPass s3cr3t SMBPass => s3cr3t msf auxiliary(smb_enumshares) > set SMBUser Administrator SMBUser => Administrator msf auxiliary(smb_enumshares) > run
[*] 192.168.1.161:139 IPC$ - Remote IPC (IPC), ADMIN$ - Remote Admin (DISK), C$ - Default share (DISK) [*] 192.168.1.160:139 IPC$ - Remote IPC (IPC), ADMIN$ - Remote Admin (DISK), C$ - Default share (DISK) [*] 192.168.1.150:139 IPC$ - Remote IPC (IPC), ADMIN$ - Remote Admin (DISK), C$ - Default share (DISK) [*] Scanned 06 of 16 hosts (037% complete) [*] Scanned 07 of 16 hosts (043% complete) [*] Scanned 12 of 16 hosts (075% complete) [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_enumshares) >
smb_enumusers
The smb_enumusers scanner will connect to each system via the SMB RPC service and enumerate the users on the system.
msf > use auxiliary/scanner/smb/smb_enumusers msf auxiliary(smb_enumusers) > show options
Module options:
Name Current Setting Required Description ---- --------------- -------- ----------- RHOSTS yes The target address range or CIDR identifier SMBDomain WORKGROUP no The Windows domain to use for authentication SMBPass no The password for the specified username SMBUser no The username to authenticate as THREADS 1 yes The number of concurrent threads
msf auxiliary(smb_enumusers) > set RHOSTS 192.168.1.150-165 RHOSTS => 192.168.1.150-165 msf auxiliary(smb_enumusers) > set THREADS 16 THREADS => 16 msf auxiliary(smb_enumusers) > run
[*] 192.168.1.161 XEN-XP-SP2-BARE [ ] [*] 192.168.1.154 METASPLOITABLE [ games, nobody, bind, proxy, syslog, user, www-data, root, news, postgres, bin, mail, distccd, proftpd, dhcp, daemon, sshd, man, lp, mysql, gnats, libuuid, backup, msfadmin, telnetd, sys, klog, postfix, service, list, irc, ftp, tomcat55, sync, uucp ] ( LockoutTries=0 PasswordMin=5 ) [*] Scanned 05 of 16 hosts (031% complete) [*] Scanned 12 of 16 hosts (075% complete) [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed
We can see that running the scan without credentials, only the Linux Samba service coughs up a listing of users. Passing a valid set of credentials to the scanner will enumerate the users on our other targets.
msf auxiliary(smb_enumusers) > set SMBPass s3cr3t SMBPass => s3cr3t msf auxiliary(smb_enumusers) > set SMBUser Administrator SMBUser => Administrator msf auxiliary(smb_enumusers) > run
[*] 192.168.1.150 V-XPSP2-SPLOIT- [ Administrator, Guest, HelpAssistant, SUPPORT_388945a0 ] [*] Scanned 04 of 16 hosts (025% complete) [*] 192.168.1.161 XEN-XP-SP2-BARE [ Administrator, Guest, HelpAssistant, SUPPORT_388945a0, victim ] [*] 192.168.1.160 XEN-XP-PATCHED [ Administrator, ASPNET, Guest, HelpAssistant, SUPPORT_388945a0 ] [*] Scanned 09 of 16 hosts (056% complete) [*] Scanned 13 of 16 hosts (081% complete) [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_enumusers) >
Now that we have passed credentials to the scanner, the Linux box doesn’t return the set of users because the credentials are not valid for that system. This is an example of why it pays to run a scanner in different configurations. smb_login
Metasploit’s smb_login module will attempt to login via SMB across a provided range of IP addresses. If you have a database plugin loaded, successful logins will be stored in it for future reference and usage.
msf > use auxiliary/scanner/smb/smb_login msf auxiliary(smb_login) > show options
Module options (auxiliary/scanner/smb/smb_login):
Name Current Setting Required Description ---- --------------- -------- ----------- ABORT_ON_LOCKOUT false yes Abort the run when an account lockout is detected BLANK_PASSWORDS false no Try blank passwords for all users BRUTEFORCE_SPEED 5 yes How fast to bruteforce, from 0 to 5 DB_ALL_CREDS false no Try each user/password couple stored in the current database DB_ALL_PASS false no Add all passwords in the current database to the list DB_ALL_USERS false no Add all users in the current database to the list DETECT_ANY_AUTH true no Enable detection of systems accepting any authentication PASS_FILE /usr/share/wordlists/fasttrack.txt no File containing passwords, one per line PRESERVE_DOMAINS true no Respect a username that contains a domain name. Proxies no A proxy chain of format type:host:port[,type:host:port][...] RECORD_GUEST false no Record guest-privileged random logins to the database RHOSTS yes The target address range or CIDR identifier RPORT 445 yes The SMB service port (TCP) SMBDomain . no The Windows domain to use for authentication SMBPass no The password for the specified username SMBUser no The username to authenticate as STOP_ON_SUCCESS false yes Stop guessing when a credential works for a host THREADS 1 yes The number of concurrent threads USERPASS_FILE no File containing users and passwords separated by space, one pair per line USER_AS_PASS false no Try the username as the password for all users USER_FILE no File containing usernames, one per line VERBOSE true yes Whether to print output for all attempts
You can clearly see that this module has many more options that other auxiliary modules and is quite versatile. We will first run a scan using the Administrator credentials we ‘found’.
msf auxiliary(smb_login) > set RHOSTS 192.168.1.150-165 RHOSTS => 192.168.1.150-165 msf auxiliary(smb_login) > set SMBPass s3cr3t SMBPass => s3cr3t msf auxiliary(smb_login) > set SMBUser Administrator SMBUser => Administrator msf auxiliary(smb_login) > set THREADS 16 THREADS => 16 msf auxiliary(smb_login) > run
[*] Starting SMB login attempt on 192.168.1.165 [*] Starting SMB login attempt on 192.168.1.153 ...snip... [*] Starting SMB login attempt on 192.168.1.156 [*] 192.168.1.154 - FAILED LOGIN () Administrator : (STATUS_LOGON_FAILURE) [*] 192.168.1.150 - FAILED LOGIN (Windows 5.1) Administrator : (STATUS_LOGON_FAILURE) [*] 192.168.1.160 - FAILED LOGIN (Windows 5.1) Administrator : (STATUS_LOGON_FAILURE) [*] 192.168.1.154 - FAILED LOGIN () Administrator : s3cr3t (STATUS_LOGON_FAILURE) [-] 192.168.1.162 - FAILED LOGIN (Windows 7 Enterprise 7600) Administrator : (STATUS_ACCOUNT_DISABLED) [*] 192.168.1.161 - FAILED LOGIN (Windows 5.1) Administrator : (STATUS_LOGON_FAILURE) [+] 192.168.1.150 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t' [*] Scanned 04 of 16 hosts (025% complete) [+] 192.168.1.160 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t' [+] 192.168.1.161 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t' [*] Scanned 13 of 16 hosts (081% complete) [*] Scanned 14 of 16 hosts (087% complete) [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_login) >
The smb_login module can also be passed a username and password list in order to attempt to brute-force login attempts across a range of machines.
root@kali:~# cat users.txt Administrator dale chip dookie victim jimmie
root@kali:~# cat passwords.txt password god password123 s00pers3kr1t s3cr3t
We will use this limited set of usernames and passwords and run the scan again.
msf auxiliary(smb_login) > show options
Module options:
Name Current Setting Required Description ---- --------------- -------- ----------- BLANK_PASSWORDS true yes Try blank passwords for all users BRUTEFORCE_SPEED 5 yes How fast to bruteforce, from 0 to 5 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 no SMB Password SMBUser no SMB Username STOP_ON_SUCCESS false yes Stop guessing when a credential works for a host THREADS 1 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 VERBOSE true yes Whether to print output for all attempts
msf auxiliary(smb_login) > set PASS_FILE /root/passwords.txt PASS_FILE => /root/passwords.txt msf auxiliary(smb_login) > set USER_FILE /root/users.txt USER_FILE => /root/users.txt msf auxiliary(smb_login) > set RHOSTS 192.168.1.150-165 RHOSTS => 192.168.1.150-165 msf auxiliary(smb_login) > set THREADS 16 THREADS => 16 msf auxiliary(smb_login) > set VERBOSE false VERBOSE => false msf auxiliary(smb_login) > run [-] 192.168.1.162 - FAILED LOGIN (Windows 7 Enterprise 7600) Administrator : (STATUS_ACCOUNT_DISABLED) [*] 192.168.1.161 - GUEST LOGIN (Windows 5.1) dale : [*] 192.168.1.161 - GUEST LOGIN (Windows 5.1) chip : [*] 192.168.1.161 - GUEST LOGIN (Windows 5.1) dookie : [*] 192.168.1.161 - GUEST LOGIN (Windows 5.1) jimmie : [+] 192.168.1.150 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t' [+] 192.168.1.160 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t' [+] 192.168.1.161 - SUCCESSFUL LOGIN (Windows 5.1) 'Administrator' : 's3cr3t' [+] 192.168.1.161 - SUCCESSFUL LOGIN (Windows 5.1) 'victim' : 's3cr3t' [+] 192.168.1.162 - SUCCESSFUL LOGIN (Windows 7 Enterprise 7600) 'victim' : 's3cr3t' [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_login) >
There are many more options available that you should experiment with to fully familiarize yourself with this extremely valuable module. smb_lookupsid
The smb_lookupsid module brute-forces SID lookups on a range of targets to determine what local users exist the system. Knowing what users exist on a system can greatly speed up any further brute-force logon attempts later on.
msf > use auxiliary/scanner/smb/smb_lookupsid msf auxiliary(smb_lookupsid) > show options Module options (auxiliary/scanner/smb/smb_lookupsid): Name Current Setting Required Description ---- --------------- -------- ----------- MaxRID 4000 no Maximum RID to check RHOSTS yes The target address range or CIDR identifier SMBDomain . no The Windows domain to use for authentication SMBPass no The password for the specified username SMBUser no The username to authenticate as THREADS 1 yes The number of concurrent threads Auxiliary action: Name Description ---- ----------- LOCAL Enumerate local accounts msf auxiliary(smb_lookupsid) > set RHOSTS 192.168.1.150-165 RHOSTS => 192.168.1.150-165 msf auxiliary(smb_lookupsid) > set THREADS 16 THREADS => 16 msf auxiliary(smb_lookupsid) > run [*] 192.168.1.161 PIPE(LSARPC) LOCAL(XEN-XP-SP2-BARE - 5-21-583907252-1801674531-839522115) DOMAIN(HOTZONE - ) [*] 192.168.1.154 PIPE(LSARPC) LOCAL(METASPLOITABLE - 5-21-1042354039-2475377354-766472396) DOMAIN(WORKGROUP - ) [*] 192.168.1.161 USER=Administrator RID=500 [*] 192.168.1.154 USER=Administrator RID=500 [*] 192.168.1.161 USER=Guest RID=501 [*] 192.168.1.154 USER=nobody RID=501 [*] Scanned 04 of 16 hosts (025% complete) [*] 192.168.1.154 GROUP=Domain Admins RID=512 [*] 192.168.1.161 GROUP=None RID=513 [*] 192.168.1.154 GROUP=Domain Users RID=513 [*] 192.168.1.154 GROUP=Domain Guests RID=514 [*] Scanned 07 of 16 hosts (043% complete) [*] 192.168.1.154 USER=root RID=1000 ...snip... [*] 192.168.1.154 GROUP=service RID=3005 [*] 192.168.1.154 METASPLOITABLE [Administrator, nobody, root, daemon, bin, sys, sync, games, man, lp, mail, news, uucp, proxy, www-data, backup, list, irc, gnats, libuuid, dhcp, syslog, klog, sshd, bind, postfix, ftp, postgres, mysql, tomcat55, distccd, telnetd, proftpd, msfadmin, user, service ] [*] Scanned 15 of 16 hosts (093% complete) [*] 192.168.1.161 XEN-XP-SP2-BARE [Administrator, Guest, HelpAssistant, SUPPORT_388945a0, victim ] [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_lookupsid) >
By way of comparison, we will also run the scan using a known set of user credentials to see the difference in output.
msf auxiliary(smb_lookupsid) > set SMBPass s3cr3t SMBPass => s3cr3t msf auxiliary(smb_lookupsid) > set SMBUser Administrator SMBUser => Administrator msf auxiliary(smb_lookupsid) > run [*] 192.168.1.160 PIPE(LSARPC) LOCAL(XEN-XP-PATCHED - 5-21-583907252-1801674531-839522115) DOMAIN(HOTZONE - ) [*] 192.168.1.161 PIPE(LSARPC) LOCAL(XEN-XP-SP2-BARE - 5-21-583907252-1801674531-839522115) DOMAIN(HOTZONE - ) [*] 192.168.1.161 USER=Administrator RID=500 [*] 192.168.1.160 USER=Administrator RID=500 [*] 192.168.1.150 PIPE(LSARPC) LOCAL(V-XPSP2-SPLOIT- - 5-21-2000478354-1965331169-725345543) DOMAIN(WORKGROUP - ) [*] 192.168.1.160 USER=Guest RID=501 [*] 192.168.1.150 TYPE=83886081 NAME=Administrator rid=500 [*] 192.168.1.161 USER=Guest RID=501 [*] 192.168.1.150 TYPE=83886081 NAME=Guest rid=501 [*] 192.168.1.160 GROUP=None RID=513 [*] 192.168.1.150 TYPE=83886082 NAME=None rid=513 [*] 192.168.1.161 GROUP=None RID=513 [*] 192.168.1.150 TYPE=83886081 NAME=HelpAssistant rid=1000 [*] 192.168.1.150 TYPE=83886084 NAME=HelpServicesGroup rid=1001 [*] 192.168.1.150 TYPE=83886081 NAME=SUPPORT_388945a0 rid=1002 [*] 192.168.1.150 TYPE=3276804 NAME=SQLServerMSSQLServerADHelperUser$DOOKIE-FA154354 rid=1003 [*] 192.168.1.150 TYPE=4 NAME=SQLServer2005SQLBrowserUser$DOOKIE-FA154354 rid=1004 ...snip... [*] 192.168.1.160 TYPE=651165700 NAME=SQLServer2005MSSQLServerADHelperUser$XEN-XP-PATCHED rid=1027 [*] 192.168.1.160 TYPE=651165700 NAME=SQLServer2005MSSQLUser$XEN-XP-PATCHED$SQLEXPRESS rid=1028 [*] 192.168.1.161 USER=HelpAssistant RID=1000 [*] 192.168.1.161 TYPE=4 NAME=HelpServicesGroup rid=1001 [*] 192.168.1.161 USER=SUPPORT_388945a0 RID=1002 [*] 192.168.1.161 USER=victim RID=1004 [*] 192.168.1.160 XEN-XP-PATCHED [Administrator, Guest, HelpAssistant, SUPPORT_388945a0, ASPNET ] [*] 192.168.1.150 V-XPSP2-SPLOIT- [ ] [*] Scanned 15 of 16 hosts (093% complete) [*] 192.168.1.161 XEN-XP-SP2-BARE [Administrator, Guest, HelpAssistant, SUPPORT_388945a0, victim ] [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_lookupsid) >
You will notice with credentialed scanning, that you get, as always, a great deal more interesting output, including accounts you likely never knew existed. smb_version
The smb_version scanner connects to each workstation in a given range of hosts and determines the version of the SMB service that is running.
msf > use auxiliary/scanner/smb/smb_version msf auxiliary(smb_version) > show options Module options: Name Current Setting Required Description ---- --------------- -------- ----------- RHOSTS yes The target address range or CIDR identifier SMBDomain WORKGROUP no The Windows domain to use for authentication SMBPass no The password for the specified username SMBUser no The username to authenticate as THREADS 1 yes The number of concurrent threads msf auxiliary(smb_version) > set RHOSTS 192.168.1.150-165 RHOSTS => 192.168.1.150-165 msf auxiliary(smb_version) > set THREADS 16 THREADS => 16 msf auxiliary(smb_version) > run
[*] 192.168.1.162 is running Windows 7 Enterprise (Build 7600) (language: Unknown) (name:XEN-WIN7-BARE) (domain:HOTZONE) [*] 192.168.1.154 is running Unix Samba 3.0.20-Debian (language: Unknown) (domain:WORKGROUP) [*] 192.168.1.150 is running Windows XP Service Pack 2 (language: English) (name:V-XPSP2-SPLOIT-) (domain:WORKGROUP) [*] Scanned 04 of 16 hosts (025% complete) [*] 192.168.1.160 is running Windows XP Service Pack 3 (language: English) (name:XEN-XP-PATCHED) (domain:HOTZONE) [*] 192.168.1.161 is running Windows XP Service Pack 2 (language: English) (name:XEN-XP-SP2-BARE) (domain:XEN-XP-SP2-BARE) [*] Scanned 11 of 16 hosts (068% complete) [*] Scanned 14 of 16 hosts (087% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed
Running this same scan with a set of credentials will return some different, and perhaps unexpected, results.
msf auxiliary(smb_version) > set SMBPass s3cr3t SMBPass => s3cr3t msf auxiliary(smb_version) > set SMBUser Administrator SMBUser => Administrator msf auxiliary(smb_version) > run
[*] 192.168.1.160 is running Windows XP Service Pack 3 (language: English) (name:XEN-XP-PATCHED) (domain:XEN-XP-PATCHED) [*] 192.168.1.150 is running Windows XP Service Pack 2 (language: English) (name:V-XPSP2-SPLOIT-) (domain:V-XPSP2-SPLOIT-) [*] Scanned 05 of 16 hosts (031% complete) [*] 192.168.1.161 is running Windows XP Service Pack 2 (language: English) (name:XEN-XP-SP2-BARE) (domain:XEN-XP-SP2-BARE) [*] Scanned 12 of 16 hosts (075% complete) [*] Scanned 14 of 16 hosts (087% complete) [*] Scanned 15 of 16 hosts (093% complete) [*] Scanned 16 of 16 hosts (100% complete) [*] Auxiliary module execution completed msf auxiliary(smb_version) >
Contrary to many other cases, a credentialed scan in this case does not necessarily give better results. If the credentials are not valid on a particular system, you will not get any result back from the scan.