diff --git a/detections/endpoint/deleting_shadow_copies.yml b/detections/endpoint/deleting_shadow_copies.yml index b309522ed6..4bc28a6cbc 100644 --- a/detections/endpoint/deleting_shadow_copies.yml +++ b/detections/endpoint/deleting_shadow_copies.yml @@ -15,9 +15,10 @@ author: David Dorsey, Splunk search: '| tstats `security_content_summariesonly` count values(Processes.process) as process values(Processes.parent_process) as parent_process min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where (Processes.process_name=vssadmin.exe - OR Processes.process_name=wmic.exe) Processes.process=*delete* Processes.process=*shadow* by Processes.user Processes.process_name Processes.parent_process_name - Processes.dest | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`| - `security_content_ctime(lastTime)` | `deleting_shadow_copies_filter`' + OR Processes.process_name=wmic.exe) Processes.process=*delete* Processes.process=*shadow* + by Processes.user Processes.process_name Processes.parent_process_name Processes.dest | + `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` + | `deleting_shadow_copies_filter`' known_false_positives: vssadmin.exe and wmic.exe are standard applications shipped with modern versions of windows. They may be used by administrators to legitimately delete old backup copies, although this is typically rare. @@ -39,3 +40,6 @@ 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/T1490/windows-sysmon.log