Get-KerberosServiceTicket - Empire Module


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

Module Overview

Name: Get-KerberosServiceTicket
Module: powershell/situational_awareness/network/get_kerberos_service_ticket
Source code [1]: empire/server/modules/powershell/situational_awareness/network/get_kerberos_service_ticket.yaml
Source code [2]: empire/server/data/module_source/situational_awareness/network/Get-KerberosServiceTicket.ps1
MITRE ATT&CK: T1097
Language: PowerShell
Needs admin: Yes
OPSEC safe: Yes
Background: No

The get_kerberos_service_ticket module retrieves IP addresses and usernames using event ID 4769 this can allow identification of a users machine. Can only run on a domain controller.

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 get_kerberos_service_ticket 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 get_kerberos_service_ticket module:

Agent
Agent to use for the event log search.

Additional Module Options

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

ExcludeComputers
Exclude computers from the results. ($True or $False).
Default value: True.

MaxEvents
Maximum events to return.
Default value: 1000.

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.

UserName
UserName to find, must be in the format of [email protected].

Get_kerberos_service_ticket Example Usage

Here's an example of how to use the get_kerberos_service_ticket 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/situational_awareness/network/get_kerberos_service_ticket

 Author       @OneLogicalMyth                                                      
 Background   False                                                                
 Comments     https://github.com/OneLogicalMyth/Empire                             
 Description  Retrieves IP addresses and usernames using event ID 4769 this can    
              allow identification of a users machine. Can only run on a domain    
              controller.                                                          
 Language     powershell                                                           
 Name         powershell/situational_awareness/network/get_kerberos_service_ticket 
 NeedsAdmin   True                                                                 
 OpsecSafe    True                                                                 
 Techniques   http://attack.mitre.org/techniques/T1097                             


,Record Options----,------------,----------,-------------------------------------,
| Name             | Value      | Required | Description                         |
|------------------|------------|----------|-------------------------------------|
| Agent            |            | True     | Agent to use for the event log      |
|                  |            |          | search                              |
|------------------|------------|----------|-------------------------------------|
| ExcludeComputers | True       | False    | Exclude computers from the results. |
|                  |            |          | ($True or $False)                   |
|------------------|------------|----------|-------------------------------------|
| MaxEvents        | 1000       | False    | Maximum events to return            |
|------------------|------------|----------|-------------------------------------|
| OutputFunction   | Out-String | False    | PowerShell's output function to use |
|                  |            |          | ("Out-String", "ConvertTo-Json",    |
|                  |            |          | "ConvertTo-Csv", "ConvertTo-Html",  |
|                  |            |          | "ConvertTo-Xml").                   |
|------------------|------------|----------|-------------------------------------|
| UserName         |            | False    | UserName to find, must be in the    |
|                  |            |          | format of [email protected]     |
'------------------'------------'----------'-------------------------------------'

(Empire: usemodule/powershell/situational_awareness/network/get_kerberos_service_ticket) > set Agent Y4LHEV83
[*] Set Agent to Y4LHEV83
(Empire: usemodule/powershell/situational_awareness/network/get_kerberos_service_ticket) > 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.