admin/splunk-security_content
1
0
Fork 0
mirror of https://github.com/splunk/security_content synced 2026-06-08 17:32:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added detection testing service results inDetect Renamed PSExec

Browse Source
This commit is contained in:
mhaag-spl
2021-08-11 09:24:31 -06:00
parent ca96ea558f
commit eed6b40e5f
1 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
detections/endpoint/detect_renamed_psexec.yml
+5 -4
View File
@@ -13,10 +13,11 @@ description: The following analytic identifies renamed instances of `PsExec.exe`
usage. During triage, validate this is the legitimate version of `PsExec` by review
the PE metadata. In addition, review parallel processes for further suspicious behavior.
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
as lastTime from datamodel=Endpoint.Processes where Processes.original_file_name=psexec.c Processes.process_name!=psexec.exe Processes.process_name!=PsExec64.exe by Processes.dest Processes.user Processes.parent_process_name
Processes.process_name Processes.process Processes.process_id Processes.parent_process_id
Processes.original_file_name | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
as lastTime from datamodel=Endpoint.Processes where Processes.original_file_name=psexec.c
Processes.process_name!=psexec.exe Processes.process_name!=PsExec64.exe by Processes.dest
Processes.user Processes.parent_process_name Processes.process_name Processes.process
Processes.process_id Processes.parent_process_id Processes.original_file_name |
`drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
| `detect_renamed_psexec_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