Invoke-SMBLogin - Empire Module


This page contains detailed information about how to use the powershell/situational_awareness/network/smblogin Empire module. For list of all Empire modules, visit the Empire Module Library.

Module Overview

Name: Invoke-SMBLogin
Module: powershell/situational_awareness/network/smblogin
Source code [1]: empire/server/modules/powershell/situational_awareness/network/smblogin.yaml
Source code [2]: empire/server/data/module_source/situational_awareness/network/Invoke-SMBLogin.ps1
MITRE ATT&CK: T1135, T1187
Language: PowerShell
Needs admin: No
OPSEC safe: Yes
Background: No

The smblogin module validates username & password combination(s) across a host or group of hosts using the SMB protocol.

This module runs in a foreground and is OPSEC unsafe as it writes on the disk and therefore could be detected by AV/EDR running on the target system.

Note that the smblogin module does not need administrative privileges to work properly which means that a normal user can run this module.

Required Module Options

This is a list of options that are required by the smblogin module:

Agent
Agent to grab a screenshot from.

ComputerName
A single computer name (ip) or a list of comma separated computer names (ips).

Password
A single password or list of comma separated passwords.

UserName
A single username or a list of comma separated usernames.

Additional Module Options

This is a list of additional options that are supported by the smblogin module:

CredID
CredID from the store to use.

Domain
Domain to use. If not defined, local accounts will be used.

OutputFunction
PowerShell's output function to use ("Out-String", "ConvertTo-Json", "ConvertTo-Csv", "ConvertTo-Html", "ConvertTo-Xml").
Default value: Out-String.
Suggested values: Out-String, ConvertTo-Json, ConvertTo-Csv, ConvertTo-Html, ConvertTo-Xml.

Smblogin Example Usage

Here's an example of how to use the smblogin module in the Empire client console:

[+] New agent Y4LHEV83 checked in
[*] Sending agent (stage 2) to Y4LHEV83 at 192.168.204.135
(empire usestager/windows/ducky) > usemodule powershell/situational_awareness/network/smblogin

 Author       Mauricio Velazco (@mvelazco)                                           
 Background   False                                                                  
 Comments     Github:                                                                
              https://github.com/mvelazc0/Invoke-SMBLogin                            
 Description  Validates username & password combination(s) across a host or group of 
              hosts using the SMB protocol.                                          
 Language     powershell                                                             
 Name         powershell/situational_awareness/network/smblogin                      
 NeedsAdmin   False                                                                  
 OpsecSafe    True                                                                   
 Techniques   http://attack.mitre.org/techniques/T1135                               
              http://attack.mitre.org/techniques/T1187                               


,Record Options--,------------,----------,-------------------------------------,
| Name           | Value      | Required | Description                         |
|----------------|------------|----------|-------------------------------------|
| Agent          |            | True     | Agent to grab a screenshot from.    |
|----------------|------------|----------|-------------------------------------|
| ComputerName   |            | True     | A single computer name (ip) or a    |
|                |            |          | list of comma separated computer    |
|                |            |          | names (ips)                         |
|----------------|------------|----------|-------------------------------------|
| CredID         |            | False    | CredID from the store to use.       |
|----------------|------------|----------|-------------------------------------|
| Domain         |            | False    | Domain to use. If not defined,      |
|                |            |          | local accounts will be used         |
|----------------|------------|----------|-------------------------------------|
| OutputFunction | Out-String | False    | PowerShell's output function to use |
|                |            |          | ("Out-String", "ConvertTo-Json",    |
|                |            |          | "ConvertTo-Csv", "ConvertTo-Html",  |
|                |            |          | "ConvertTo-Xml").                   |
|----------------|------------|----------|-------------------------------------|
| Password       |            | True     | A single password or list of comma  |
|                |            |          | separated passwords                 |
|----------------|------------|----------|-------------------------------------|
| UserName       |            | True     | A single username or a list of      |
|                |            |          | comma separated usernames           |
'----------------'------------'----------'-------------------------------------'

(Empire: usemodule/powershell/situational_awareness/network/smblogin) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/situational_awareness/network/smblogin) > set ComputerName dbserver-01
[*] Set ComputerName to dbserver-01
(Empire: usemodule/powershell/situational_awareness/network/smblogin) > set Password Password123
[*] Set Password to Password123
(Empire: usemodule/powershell/situational_awareness/network/smblogin) > set UserName user
[*] Set UserName to user
(Empire: usemodule/powershell/situational_awareness/network/smblogin) > execute
[*] Tasked Y4LHEV83 to run Task 1
...

Now wait for the results to come.

Author

  • Mauricio Velazco (@mvelazco)

References

See Also

Check also the following modules related to this module:

Version

This page has been created based on Empire version 4.1.3 (BC Security Fork).
Visit Empire Module Library for more modules.