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Ad find detection update #3158

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Merged
patel-bhavin merged 4 commits into from
Oct 10, 2024
Merged

Ad find detection update #3158

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4702243
updating detection
patel-bhavin Oct 10, 2024
e95c2d2
updating detection
patel-bhavin Oct 10, 2024
9b5b515
Merge branch 'develop' into ad_find
patel-bhavin Oct 10, 2024
4b785e3
Branch was auto-updated.
patel-bhavin Oct 10, 2024
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23 changes: 12 additions & 11 deletions detections/endpoint/windows_adfind_exe.yml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
name: Windows AdFind Exe
id: bd3b0187-189b-46c0-be45-f52da2bae67f
version: 4
date: '2024-05-13'
version: 5
date: '2024-10-09'
author: Jose Hernandez, Bhavin Patel, Splunk
status: production
type: TTP
Expand All @@ -17,13 +17,7 @@ data_source:
- Sysmon EventID 1
- Windows Event Log Security 4688
- CrowdStrike ProcessRollup2
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time)
as lastTime from datamodel=Endpoint.Processes where (Processes.process="* -f *"
OR Processes.process="* -b *") AND (Processes.process=*objectcategory* OR Processes.process="*
-gcb *" OR Processes.process="* -sc *") by Processes.dest Processes.user Processes.process_name
Processes.process Processes.parent_process Processes.process_id Processes.parent_process_id
| `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
| `windows_adfind_exe_filter`'
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes where ((Processes.process="* -f *" OR Processes.process="* -b *") AND (Processes.process=*objectcategory* OR Processes.process="*-gcb *" OR Processes.process="* -sc *" )) OR ((Processes.process="*trustdmp*" OR Processes.process="*dclist*")) by Processes.dest Processes.user Processes.process_name Processes.process Processes.parent_process Processes.process_id Processes.parent_process_id | `drop_dm_object_name(Processes)` | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `windows_adfind_exe_filter`| `windows_adfind_exe_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,
Expand Down Expand Up @@ -51,7 +45,14 @@ tags:
asset_type: Endpoint
confidence: 50
impact: 50
message: Windows AdFind Exe
message: Windows AdFind Exe detected with command-line arguments associated with Active Directory queries on machine - [dest]
atomic_guid:
- 736b4f53-f400-4c22-855d-1a6b5a551600
- b95fd967-4e62-4109-b48d-265edfd28c3a
- e1ec8d20-509a-4b9a-b820-06c9b2da8eb7
- 5e2938fb-f919-47b6-8b29-2f6a1f718e99
- abf00f6c-9983-4d9a-afbc-6b1c6c6448e1
- 51a98f96-0269-4e09-a10f-e307779a8b05
mitre_attack_id:
- T1018
observable:
Expand Down Expand Up @@ -80,4 +81,4 @@ tests:
- data:
https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1018/atomic_red_team/windows-sysmon.log
source: XmlWinEventLog:Microsoft-Windows-Sysmon/Operational
sourcetype: xmlwineventlog
sourcetype: xmlwineventlog