--- title: "GetAdGroup with PowerShell" excerpt: "Permission Groups Discovery, Domain Groups" categories: - Endpoint last_modified_at: 2021-08-25 toc: true toc_label: "" tags: - Permission Groups Discovery - Discovery - Domain Groups - Discovery - Splunk Enterprise - Splunk Enterprise Security - Splunk Cloud - Endpoint --- [Try in Splunk Security Cloud](https://www.splunk.com/en_us/cyber-security.html){: .btn .btn--success} #### Description This analytic looks for the execution of `powershell.exe` with command-line arguments utilized to query for domain groups. The `Get-AdGroup` commandlnet is used to return a list of all groups available in a Windows Domain. Red Teams and adversaries alike may leverage this commandlet to enumerate domain groups for situational awareness and Active Directory Discovery. - **Type**: Hunting - **Product**: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud - **Datamodel**: [Endpoint](https://docs.splunk.com/Documentation/CIM/latest/User/Endpoint) - **Last Updated**: 2021-08-25 - **Author**: Mauricio Velazco, Splunk - **ID**: 872e3063-0fc4-4e68-b2f3-f2b99184a708 #### [ATT&CK](https://attack.mitre.org/) | ID | Technique | Tactic | | ----------- | ----------- |--------------- | | [T1069](https://attack.mitre.org/techniques/T1069/) | Permission Groups Discovery | Discovery | | [T1069.002](https://attack.mitre.org/techniques/T1069/002/) | Domain Groups | Discovery | #### Search ``` | tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where (Processes.process_name="powershell.exe") (Processes.process=*Get-AdGroup*) by Processes.dest Processes.user Processes.parent_process Processes.process_name Processes.process Processes.process_id Processes.parent_process_id | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `getadgroup_with_powershell_filter` ``` #### Associated Analytic Story * [Active Directory Discovery](/stories/active_directory_discovery) #### How To Implement To successfully implement this search you need to be ingesting information on process that include the name of the process responsible for the changes from your endpoints into the `Endpoint` datamodel in the `Processes` node. #### Required field * Processes.dest * Processes.user * Processes.parent_process_name * Processes.parent_process * Processes.original_file_name * Processes.process_name * Processes.process * Processes.process_id * Processes.parent_process_path * Processes.process_path * Processes.parent_process_id #### Kill Chain Phase * Reconnaissance #### Known False Positives Administrators or power users may use this command for troubleshooting. #### RBA | Risk Score | Impact | Confidence | Message | | ----------- | ----------- |--------------|--------------| | 15.0 | 30 | 50 | Domain group discovery enumeration on $dest$ by $user$ | #### Reference * [https://attack.mitre.org/techniques/T1069/002/](https://attack.mitre.org/techniques/T1069/002/) * [https://docs.microsoft.com/en-us/powershell/module/activedirectory/get-adgroup?view=windowsserver2019-ps](https://docs.microsoft.com/en-us/powershell/module/activedirectory/get-adgroup?view=windowsserver2019-ps) #### Test Dataset Replay any dataset to Splunk Enterprise by using our [`replay.py`](https://github.com/splunk/attack_data#using-replaypy) tool or the [UI](https://github.com/splunk/attack_data#using-ui). Alternatively you can replay a dataset into a [Splunk Attack Range](https://github.com/splunk/attack_range#replay-dumps-into-attack-range-splunk-server) * [https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1069.002/AD_discovery/windows-sysmon.log](https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1069.002/AD_discovery/windows-sysmon.log) [*source*](https://github.com/splunk/security_content/tree/develop/detections/endpoint/getadgroup_with_powershell.yml) \| *version*: **1**