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updating spl and FP #561

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Merged
josehelps merged 2 commits into from
Jul 15, 2020
Merged

updating spl and FP #561

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73507de
updating spl and FP
patel-bhavin Jul 15, 2020
c1747aa
Merge branch 'develop' into TR-49
patel-bhavin Jul 15, 2020
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6 changes: 3 additions & 3 deletions detections/processes_created_by_netsh.yml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
name: Processes created by netsh
id: b89919ed-fe5f-492c-b139-95dbb162041e
version: 3
date: '2020-03-02'
date: '2020-07-14'
description: This search looks for processes launching netsh.exe to execute various
commands via the netsh command-line utility. Netsh.exe is a command-line scripting
utility that allows you to, either locally or remotely, display or modify the network
Expand All @@ -17,13 +17,13 @@ references: []
author: Bhavin Patel, Splunk
search: '| tstats `security_content_summariesonly` count values(Processes.process)
as process min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes
where Processes.parent_process="*C:\\Windows\\System32\\netsh.exe*" by Processes.user
where (Processes.parent_process="*C:\\Windows\\System32\\netsh.exe*" AND Processes.process_path!="C:\\Program Files\\rempl\\sedlauncher.exe") by Processes.user
Processes.dest Processes.parent_process Processes.parent_process_name Processes.process_name
| `drop_dm_object_name("Processes")` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
| `processes_created_by_netsh_filter`'
known_false_positives: It is unusual for netsh.exe to have any child processes in
most environments. It makes sense to investigate the child process and verify whether
the process spawned is legitimate.
the process spawned is legitimate. We explicitely exclude "C:\Program Files\rempl\sedlauncher.exe" process path since it is a legitimate process by Mircosoft.
tags:
analytics_story:
- Netsh Abuse
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