Get-GPPPassword - Empire Module
This page contains detailed information about how to use the powershell/privesc/gpp Empire module. For list of all Empire modules, visit the Empire Module Library.
Module Overview
Name: Get-GPPPassword
Module: powershell/privesc/gpp
Source code [1]: empire/server/modules/powershell/privesc/gpp.yaml
Source code [2]: empire/server/data/module_source/privesc/Get-GPPPassword.ps1
MITRE ATT&CK:
T1003
Language: PowerShell
Needs admin: No
OPSEC safe: Yes
Background: Yes
The gpp module retrieves the plaintext password and other information for accounts pushed through Group Policy Preferences.
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 gpp 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 gpp module:
Agent
Agent to run module on.
Additional Module Options
This is a list of additional options that are supported by the gpp module:
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
.
Gpp Example Usage
Here's an example of how to use the gpp 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/privesc/gpp
Author @obscuresec
Background True
Comments https://github.com/mattifestation/PowerSploit/blob/master/Exfiltration
/Get-GPPPassword.ps1
Description Retrieves the plaintext password and other information for accounts
pushed through Group Policy Preferences.
Language powershell
Name powershell/privesc/gpp
NeedsAdmin False
OpsecSafe True
Techniques http://attack.mitre.org/techniques/T1003
,Record Options--,------------,----------,-------------------------------------,
| Name | Value | Required | Description |
|----------------|------------|----------|-------------------------------------|
| Agent | | True | Agent to run module on. |
|----------------|------------|----------|-------------------------------------|
| OutputFunction | Out-String | False | PowerShell's output function to use |
| | | | ("Out-String", "ConvertTo-Json", |
| | | | "ConvertTo-Csv", "ConvertTo-Html", |
| | | | "ConvertTo-Xml"). |
'----------------'------------'----------'-------------------------------------'
(Empire: usemodule/powershell/privesc/gpp) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/privesc/gpp) > 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/privesc/gpp.yaml
- https://github.com/BC-SECURITY/Empire/tree/master/empire/server/data/module_source/privesc/Get-GPPPassword.ps1
- https://github.com/mattifestation/PowerSploit/blob/master/Exfiltration/Get-GPPPassword.ps1
- http://attack.mitre.org/techniques/T1003
- http://www.obscuresecurity.blogspot.com/2012/05/gpp-password-retrieval-with-powershell.html
- https://github.com/mattifestation/PowerSploit/blob/master/Recon/Get-GPPPassword.ps1
- http://esec-pentest.sogeti.com/exploiting-windows-2008-group-policy-preferences
- http://rewtdance.blogspot.com/2012/06/exploiting-windows-2008-group-policy.html
See Also
Check also the following modules related to this module:
- powershell/privesc/bypassuac
- powershell/privesc/bypassuac_env
- powershell/privesc/bypassuac_tokenmanipulation
- powershell/privesc/winPEAS
- powershell/privesc/sweetpotato
- powershell/privesc/tater
- powershell/privesc/ms16-135
- powershell/privesc/ask
- powershell/privesc/bypassuac_wscript
- powershell/privesc/mcafee_sitelist
- powershell/privesc/privesccheck
- powershell/privesc/sherlock
- powershell/privesc/ms16-032
- powershell/privesc/bypassuac_eventvwr
- powershell/privesc/zerologon
- powershell/privesc/printdemon
- powershell/privesc/getsystem
- powershell/privesc/bypassuac_sdctlbypass
- powershell/privesc/watson
- powershell/privesc/bypassuac_fodhelper
- powershell/privesc/printnightmare
- powershell/privesc/powerup/service_exe_useradd
- powershell/privesc/powerup/write_dllhijacker
- powershell/privesc/powerup/service_stager
- powershell/privesc/powerup/service_exe_restore
- powershell/privesc/powerup/service_exe_stager
- powershell/privesc/powerup/find_dllhijack
- powershell/privesc/powerup/service_useradd
- powershell/privesc/powerup/allchecks
- python/privesc/windows/get_gpppasswords
Version
This page has been created based on Empire version 4.1.3 (BC Security Fork).
Visit Empire Module Library for more modules.