Invoke-DowngradeAccount - Empire Module
This page contains detailed information about how to use the powershell/management/downgrade_account Empire module. For list of all Empire modules, visit the Empire Module Library.
Module Overview
Name: Invoke-DowngradeAccount
Module: powershell/management/downgrade_account
Source code [1]: empire/server/modules/powershell/management/downgrade_account.yaml
Source code [2]: empire/server/data/module_source/situational_awareness/network/powerview.ps1
MITRE ATT&CK:
T1098
Language: PowerShell
Needs admin: No
OPSEC safe: Yes
Background: Yes
The downgrade_account module sets reversible encryption on a given domain account and then force the password to be set on next user login.
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 downgrade_account 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 downgrade_account module:
Agent
Agent to run module on.
Additional Module Options
This is a list of additional options that are supported by the downgrade_account module:
Domain
The domain to query for objects, defaults to the current domain.
Name
The name of the domain object you're manipulating.
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.
Repair
Switch. Unset the reversible encryption flag and force password reset flag.
SamAccountName
The SamAccountName of the domain object you're manipulating.
Downgrade_account Example Usage
Here's an example of how to use the downgrade_account 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/management/downgrade_account
Author @harmj0y
Background True
Description Set reversible encryption on a given domain account and then force the
password to be set on next user login.
Language powershell
Name powershell/management/downgrade_account
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 | The domain to query for objects, |
| | | | defaults to the current domain. |
|----------------|------------|----------|-------------------------------------|
| Name | | False | The name of the domain object |
| | | | you're manipulating. |
|----------------|------------|----------|-------------------------------------|
| OutputFunction | Out-String | False | PowerShell's output function to use |
| | | | ("Out-String", "ConvertTo-Json", |
| | | | "ConvertTo-Csv", "ConvertTo-Html", |
| | | | "ConvertTo-Xml"). |
|----------------|------------|----------|-------------------------------------|
| Repair | | False | Switch. Unset the reversible |
| | | | encryption flag and force password |
| | | | reset flag. |
|----------------|------------|----------|-------------------------------------|
| SamAccountName | | False | The SamAccountName of the domain |
| | | | object you're manipulating. |
'----------------'------------'----------'-------------------------------------'
(Empire: usemodule/powershell/management/downgrade_account) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/management/downgrade_account) > 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/management/downgrade_account.yaml
- https://github.com/BC-SECURITY/Empire/tree/master/empire/server/data/module_source/situational_awareness/network/powerview.ps1
- http://attack.mitre.org/techniques/T1098
See Also
Check also the following modules related to this module:
- powershell/management/timestomp
- powershell/management/spawnas
- powershell/management/zipfolder
- powershell/management/switch_listener
- powershell/management/start-processasuser
- powershell/management/invoke_script
- powershell/management/invoke_sharpchisel
- powershell/management/get_domain_sid
- powershell/management/enable_multi_rdp
- powershell/management/enable_rdp
- powershell/management/reflective_inject
- powershell/management/shinject
- powershell/management/lock
- powershell/management/sid_to_user
- powershell/management/psinject
- powershell/management/spawn
- powershell/management/phant0m
- powershell/management/disable_rdp
- powershell/management/user_to_sid
- powershell/management/wdigest_downgrade
- powershell/management/runas
- powershell/management/vnc
- powershell/management/powercat
- powershell/management/logoff
- powershell/management/invoke_socksproxy
- powershell/management/restart
- powershell/management/honeyhash
- powershell/management/mailraider/get_subfolders
- powershell/management/mailraider/mail_search
- powershell/management/mailraider/send_mail
- powershell/management/mailraider/view_email
- powershell/management/mailraider/search_gal
- powershell/management/mailraider/get_emailitems
- powershell/management/mailraider/disable_security
Version
This page has been created based on Empire version 4.1.3 (BC Security Fork).
Visit Empire Module Library for more modules.
