Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
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Detection Modules |
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Detector Tags |
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ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Informational |
Description
The endpoint requested an MS-Update operation with abnormal HTTP traffic characteristics.
Attacker's Goals
- The Windows Server Update Services enables machines to discover and download software updates from a dedicated update server.
- Attacker may use the MS-Update protocol to execute unauthorized code through Microsoft binaries.
Investigative actions
- Inspect the legitimacy of the server as a WSUS functioning server.
- Verify that your MS-Update network routine is of HTTPS enforced
- Verify that this MS-Update server is not a newly deployed server as part of a legitimate IT activity.