Managed Sentinel – Alert 142
| Alert ID | MS-A142 |
| Alert Name | User account created and deleted within x mins |
| Description | Identifies when a user account is created and then deleted within 10 minutes. This can be an indication of compromise and an adversary attempting to hide in the noise. |
| Severity Level | Medium |
| Threat Indicator | Unauthorized Access |
| MITRE ATT&CK Tactics | Persistence Privilege Escalation |
| Log sources | Windows |
| False Positives | Approved Operational change or a DEV/UAT testing |
| Recommendations | 1. Collect evidence of the changes in the Windows environment related to the account name created and then deleted. 2. Investigate via Azure Sentinel for any lateral movements within your network using the account name. Understand and validate what or if any other changes were done during the timeframe when the account was active into your network. 3. Identify the originator host from where the change was done 4. Perform an EDR scan on the impacted host |