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Fix Issues & Updates (#3705)

Browse Source 
* Fix Issues and Updates

* Update add_or_set_windows_defender_exclusion.yml

* Update windows_curl_download_to_suspicious_path.yml

* Fix more issues and bugs

* Update deprecation_mapping.YML

* Update windows_application_whitelisting_bypass_attempt_via_rundll32.yml

* More updates and fixes

* update `Windows Change Default File Association For No File Ext`

* A couple more updates for ya

* rename

* add / update rules

* Update windows_symlink_evaluation_change_via_fsutil.yml

* Update windows_symlink_evaluation_change_via_fsutil.yml

* Update linux_service_started_or_enabled.yml

* Update linux_service_started_or_enabled.yml

---------

Co-authored-by: Bhavin Patel <bhavin.j.patel91@gmail.com>
This commit is contained in:
Nasreddine Bencherchali
2025-10-13 18:18:21 +02:00
committed by GitHub
parent ae022339ac
commit 21ee673940
28 changed files with 1147 additions and 577 deletions
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detections/endpoint/linux_java_spawning_shell.yml
+23 -13
View File
@@ -1,11 +1,11 @@
name: Linux Java Spawning Shell
id: 7b09db8a-5c20-11ec-9945-acde48001122
version: 8
date: '2025-05-02'
version: 9
date: '2025-10-07'
author: Michael Haag, Splunk
status: production
type: TTP
description: The following analytic detects instances where Java, Apache, or Tomcat
description: The following analytic detects instances where Java, or Tomcat
processes spawn a Linux shell, which may indicate exploitation attempts, such as
those related to CVE-2021-44228 (Log4Shell). This detection leverages Endpoint Detection
and Response (EDR) telemetry, focusing on process names and parent-child process
@@ -15,16 +15,26 @@ description: The following analytic detects instances where Java, Apache, or Tom
access, posing a severe threat to the environment.
data_source:
- Sysmon for Linux EventID 1
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
as lastTime from datamodel=Endpoint.Processes where Processes.parent_process_name=java
OR Processes.parent_process_name=apache OR Processes.parent_process_name=tomcat
`linux_shells` by Processes.action Processes.dest Processes.original_file_name Processes.parent_process
Processes.parent_process_exec Processes.parent_process_guid Processes.parent_process_id
Processes.parent_process_name Processes.parent_process_path Processes.process Processes.process_exec
Processes.process_guid Processes.process_hash Processes.process_id Processes.process_integrity_level
Processes.process_name Processes.process_path Processes.user Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
| `linux_java_spawning_shell_filter`'
search: |
| tstats `security_content_summariesonly`
count min(_time) as firstTime
max(_time) as lastTime
from datamodel=Endpoint.Processes where
Processes.parent_process_name IN ("java", "tomcat")
`linux_shells`
by Processes.action Processes.dest Processes.original_file_name Processes.parent_process
Processes.parent_process_exec Processes.parent_process_guid Processes.parent_process_id
Processes.parent_process_name Processes.parent_process_path Processes.process Processes.process_exec
Processes.process_guid Processes.process_hash Processes.process_id Processes.process_integrity_level
Processes.process_name Processes.process_path Processes.user Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`
| `linux_java_spawning_shell_filter`
how_to_implement: The detection is based on data that originates from Endpoint Detection
and Response (EDR) agents. These agents are designed to provide security-related
telemetry from the endpoints where the agent is installed. To implement this search,