diff --git a/detections/endpoint/clop_common_exec_parameter.yml b/detections/endpoint/clop_common_exec_parameter.yml index 1bad7ad6ef..22aedf38f7 100644 --- a/detections/endpoint/clop_common_exec_parameter.yml +++ b/detections/endpoint/clop_common_exec_parameter.yml @@ -1,7 +1,7 @@ name: Clop Common Exec Parameter id: 5a8a2a72-8322-11eb-9ee9-acde48001122 -version: 1 -date: '2021-03-17' +version: 2 +date: '2023-03-17' author: Teoderick Contreras, Splunk status: production type: TTP @@ -14,12 +14,10 @@ description: The following analytics are designed to identifies some CLOP ransom since it is waiting for some parameter to execute properly. data_source: - Sysmon Event ID 1 -search: '| tstats `security_content_summariesonly` values(Processes.process) as cmdline - values(Processes.parent_process_name) as parent_process values(Processes.process_name) - count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes - where Processes.process_name != "*temp.dat*" Processes.process = "*runrun*" OR Processes.process - = "*temp.dat*" 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)` +search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes + where Processes.process_name != "*temp.dat*" Processes.process = "*runrun*" OR Processes.process = "*temp.dat*" + by Processes.dest Processes.user Processes.parent_process Processes.parent_process_name 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)` | `clop_common_exec_parameter_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