diff --git a/detections/endpoint/malicious_powershell_process___encoded_command.yml b/detections/endpoint/malicious_powershell_process___encoded_command.yml index 609186f8a0..cd07bf1979 100644 --- a/detections/endpoint/malicious_powershell_process___encoded_command.yml +++ b/detections/endpoint/malicious_powershell_process___encoded_command.yml @@ -15,10 +15,10 @@ references: [] author: David Dorsey, Splunk 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=*-EncodedCommand* OR Processes.process=*-enc*) - by Processes.user Processes.process_name Processes.process Processes.parent_process_name Processes.dest Processes.process_id - | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` - | `malicious_powershell_process___encoded_command_filter`' + (Processes.process=*-EncodedCommand* OR Processes.process=*-enc*) by Processes.user + Processes.process_name Processes.process Processes.parent_process_name Processes.dest + Processes.process_id | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`| + `security_content_ctime(lastTime)` | `malicious_powershell_process___encoded_command_filter`' known_false_positives: System administrators may use this option, but it's not common. tags: analytics_story: @@ -38,3 +38,6 @@ tags: - PR.IP security_domain: endpoint asset_type: Endpoint + automated_detection_testing: passed + dataset: + - https://attack-range-attack-data.s3-us-west-2.amazonaws.com/T1027/windows-sysmon.log