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This hunting query looks for hosts exporting a mailbox from an on-prem Exchange server, followed by that same host removing the export within a short time window. This pattern has been observed by attackers when exfiltrating emails from a target environment. A Mailbox export is unlikely to be a common command run so look for activity from unexpected hosts and accounts. Reference: https://www.volexity.com/blog/2020/12/14/dark-halo-leverages-solarwinds-compromise-to-breach-organizations/ Query ins
| Attribute | Value |
|---|---|
| Type | Hunting Query |
| Solution | GitHub Only |
| ID | 1a6f998a-b9a4-4030-bd58-6606d66608f9 |
| Tactics | Collection |
| Required Connectors | MicrosoftThreatProtection |
| Source | View on GitHub |
This content item queries data from the following tables:
| Table | Transformations | Ingestion API | Lake-Only |
|---|---|---|---|
DeviceProcessEvents |
✓ | ✗ | ? |
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