| ID | Technique | Tactic |
|---|
Detection: Investigate Failed Logins for Multiple Destinations
REMOVED DETECTION
This detection has been removed from the Splunk Threat Research content library and is no longer maintained or supported.
Reason: As of Splunk Enterprise Security version 8.0, Splunk Enterprise Security no longer supports Investigations. As such, all Investigations have been deprecated in ES Content Update.
Removed in version: 5.2.0
If you have any questions or concerns, please reach out to us at research@splunk.com.
Description
This search returns failed logins to multiple destinations by user.
Search
1
2| tstats count `security_content_summariesonly` earliest(_time) as first_login latest(_time) as last_login dc(Authentication.dest) AS distinct_count_dest values(Authentication.dest) AS Authentication.dest values(Authentication.app) AS Authentication.app from datamodel=Authentication where Authentication.action=failure by Authentication.user
3| where distinct_count_dest > 1
4| `security_content_ctime(first_login)`
5| `security_content_ctime(last_login)`
6| `drop_dm_object_name("Authentication")`
7| search user=$user$
Data Source
No data sources specified for this detection.
Macros Used
| Name | Value |
|---|---|
| security_content_summariesonly | summariesonly=summariesonly_config allow_old_summaries=oldsummaries_config fillnull_value=fillnull_config`` |
Annotations
Default Configuration
This detection is configured by default in Splunk Enterprise Security to run with the following settings:
| Setting | Value |
|---|---|
| Disabled | true |
| Cron Schedule | N/A |
| Earliest Time | N/A |
| Latest Time | N/A |
| Schedule Window | N/A |
| Creates Finding (Notable) | No |
| Creates Intermediate Finding (Risk Event) | No |
Implementation
To successfully implement this search you need to be ingesting authentication logs from your various systems and populating the Authentication data model.
Known False Positives
Associated Analytic Story
Detection Testing
| Test Type | Status | Dataset | Source | Sourcetype |
|---|---|---|---|---|
| Validation | Not Applicable | N/A | N/A | N/A |
| Unit | Not Applicable | N/A | N/A |
N/A |
| Integration | Not Applicable | N/A | N/A |
N/A |
Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI.
Alternatively you can replay a dataset into a Splunk Attack Range
Source: GitHub |
Version: 1