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This query looks for new processes being spawned by the Exchange UM service where that process has not previously been observed before. Reference: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/
| Attribute | Value |
|---|---|
| Type | Analytic Rule |
| Solution | Standalone Content |
| ID | 95a15f39-d9cc-4667-8cdd-58f3113691c9 |
| Severity | Medium |
| Kind | Scheduled |
| Tactics | InitialAccess |
| Techniques | T1190 |
| Required Connectors | SecurityEvents, WindowsSecurityEvents, WindowsSecurityEvents, WindowsForwardedEvents |
| Source | View on GitHub |
This content item queries data from the following tables:
| Table | Selection Criteria | Transformations | Ingestion API | Lake-Only |
|---|---|---|---|---|
SecurityEvent |
✓ | ✓ | ? | |
WindowsEvent |
EventID == "4688" |
✓ | ✓ | ? |
The following connectors provide data for this content item:
Solutions: Microsoft Exchange Security - Exchange On-Premises, Windows Forwarded Events, Windows Security Events
Browse: 🏠 · Solutions · Connectors · Methods · Tables · Content · Parsers · ASIM Parsers · ASIM Products · 📊