Silk Typhoon Suspicious UM Service Error

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This query looks for errors that may indicate that an attacker is attempting to exploit a vulnerability in the service. Reference: https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/

Attribute Value
Type Analytic Rule
Solution Standalone Content
ID 0625fcce-6d52-491e-8c68-1d9b801d25b9
Severity Low
Kind Scheduled
Tactics InitialAccess
Techniques T1190
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
Event EventLog == "Application"
Source startswith "MSExchange"
?

Associated Connectors

The following connectors provide data for this content item:

Connector Solution
ESI-Opt2ExchangeServersEventLogs Microsoft Exchange Security - Exchange On-Premises

Solutions: Microsoft Exchange Security - Exchange On-Premises


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