diff --git a/detections/endpoint/wmic_group_discovery.yml b/detections/endpoint/wmic_group_discovery.yml index 951ba32d1a..c171df7aca 100644 --- a/detections/endpoint/wmic_group_discovery.yml +++ b/detections/endpoint/wmic_group_discovery.yml @@ -6,26 +6,33 @@ author: Michael Haag, Splunk type: Hunting datamodel: - Endpoint -description: 'The follow hunting analytic identifies the use of `wmic.exe` enumerating local groups on the endpoint. \ +description: 'The follow hunting analytic identifies the use of `wmic.exe` enumerating + local groups on the endpoint. \ + + Typically, by itself, is not malicious but may raise suspicion based on time of + day, endpoint and username. \ - Typically, by itself, is not malicious but may raise suspicion based on time of day, endpoint and username. \ - During triage, review parallel processes and identify any further suspicious behavior.' search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where Processes.process_name=wmic.exe - (Processes.process="*group get name*") by Processes.dest - Processes.user Processes.parent_process_name Processes.process_name Processes.process Processes.original_file_name - Processes.process_id Processes.parent_process_id | `drop_dm_object_name(Processes)` - | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` | `wmic_group_discovery_filter`' -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. In addition, confirm the latest CIM App 4.20 or higher is installed and the latest TA for the endpoint product. + (Processes.process="*group get name*") by Processes.dest Processes.user Processes.parent_process_name + Processes.process_name Processes.process Processes.original_file_name Processes.process_id + Processes.parent_process_id | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`| + `security_content_ctime(lastTime)` | `wmic_group_discovery_filter`' +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. In addition, + confirm the latest CIM App 4.20 or higher is installed and the latest TA for the + endpoint product. known_false_positives: False positives may be present. Tune as needed. references: - - https://attack.mitre.org/techniques/T1069/001/ - - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1069.001/T1069.001.md +- https://attack.mitre.org/techniques/T1069/001/ +- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1069.001/T1069.001.md tags: analytic_story: - Active Directory Discovery - dataset: [] + dataset: + - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1069.001/atomic_red_team/windows-sysmon.log kill_chain_phases: - Reconnaissance mitre_attack_id: @@ -38,11 +45,11 @@ tags: - _time - Processes.dest - Processes.user - - Processes.parent_process_name #parent process name - - Processes.parent_process #parent cmdline + - Processes.parent_process_name + - Processes.parent_process - Processes.original_file_name - - Processes.process_name #process name - - Processes.process #process cmdline + - Processes.process_name + - Processes.process - Processes.process_id - Processes.parent_process_path - Processes.process_path @@ -64,4 +71,5 @@ tags: - name: user type: User role: - - Victim \ No newline at end of file + - Victim + automated_detection_testing: passed