THIS IS A DEPRECATED DETECTION
This detection has been marked deprecated by the Splunk Threat Research team. This means that it will no longer be maintained or supported.
This detection search will help profile user accounts in your environment by identifying newly created accounts that have been added to your network in the past week.
- Type: Hunting
Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
- Last Updated: 2017-09-12
- Author: Bhavin Patel, Splunk
- ID: 475b9e27-17e4-46e2-b7e2-648221be3b89
Kill Chain Phase
- CIS 16
1 2 3 4 5 6 7 8 | from datamodel Identity_Management.All_Identities | eval empStatus=case((now()-startDate)<604800, "Accounts created in last week") | search empStatus="Accounts created in last week" | `security_content_ctime(endDate)` | `security_content_ctime(startDate)` | table identity empStatus endDate startDate | `identify_new_user_accounts_filter`
The SPL above uses the following Macros:
identify_new_user_accounts_filter is a empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL.
List of fields required to use this analytic.
How To Implement
To successfully implement this search, you need to be populating the Enterprise Security Identity_Management data model in the assets and identity framework.
Known False Positives
If the Identity_Management data model is not updated regularly, this search could give you false positive alerts. Please consider this and investigate appropriately.
Associated Analytic Story
The Risk Score is calculated by the following formula: Risk Score = (Impact * Confidence/100). Initial Confidence and Impact is set by the analytic author.
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