Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
1 Hour |
Deduplication Period |
1 Day |
Required Data |
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Detection Modules |
Identity Analytics |
Detector Tags |
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ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Medium |
Description
An unusual number of users has sent NTLM to a target in the last hour.
This may be indicative of poisoning and NTLM hash harvesting.
Attacker's Goals
The attacker may attempt to extract NTLM hashes for credential access.
Investigative actions
- Check that the destination is not a server.
- Verify that the destination is not external to the organization.