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srv-rr-gh-researchbt
2023-08-02 08:59:25 -07:00
committed by GitHub
parent 807eb933f5 818d8e5286
commit ab8bd8f90d
1 changed files with 6 additions and 8 deletions
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detections/endpoint/clop_common_exec_parameter.yml
+6 -8
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@@ -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