diff --git a/detections/endpoint/attempt_to_set_default_powershell_execution_policy_to_unrestricted_or_bypass.yml b/detections/endpoint/attempt_to_set_default_powershell_execution_policy_to_unrestricted_or_bypass.yml index 9b1a9a78e2..4bdf35e8e0 100644 --- a/detections/endpoint/attempt_to_set_default_powershell_execution_policy_to_unrestricted_or_bypass.yml +++ b/detections/endpoint/attempt_to_set_default_powershell_execution_policy_to_unrestricted_or_bypass.yml @@ -11,11 +11,11 @@ how_to_implement: You must be ingesting data that records process activity from type: ESCU references: [] author: Patrick Bareiss, Splunk -search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime - from datamodel=Endpoint.Registry where Registry.registry_path=*Software\\Microsoft\\Powershell\\1\\ShellIds\\Microsoft.PowerShell* - Registry.registry_key_name=ExecutionPolicy (Registry.registry_value_name=Unrestricted OR Registry.registry_value_name=Bypass) - by Registry.registry_path Registry.registry_key_name Registry.registry_value_name Registry.dest - | `drop_dm_object_name(Registry)` | `security_content_ctime(firstTime)`|`security_content_ctime(lastTime)` +search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) + as lastTime from datamodel=Endpoint.Registry where Registry.registry_path=*Software\\Microsoft\\Powershell\\1\\ShellIds\\Microsoft.PowerShell* + Registry.registry_key_name=ExecutionPolicy (Registry.registry_value_name=Unrestricted + OR Registry.registry_value_name=Bypass) by Registry.registry_path Registry.registry_key_name + Registry.registry_value_name Registry.dest | `drop_dm_object_name(Registry)` | `security_content_ctime(firstTime)`|`security_content_ctime(lastTime)` | `attempt_to_set_default_powershell_execution_policy_to_unrestricted_or_bypass_filter`' known_false_positives: Administrators may attempt to change the default execution policy on a system for a variety of reasons. However, setting the policy to "unrestricted" @@ -37,3 +37,6 @@ tags: - DE.CM security_domain: endpoint asset_type: Endpoint + automated_detection_testing: passed + dataset: + - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1059.001/powershell_execution_policy/windows-sysmon.log