Machine Learning Detected a Suspicious Windows Event with a High Malicious Probability Score triggering on all kinds of normal processes

Elastic Security SIEM
1

Hello,

I activated "Machine Learning Detected a Suspicious Windows Event with a High Malicious Probability Score" and "Living off the Land Attack Detection" and followed the procedure.

It seems to be triggering on a lot of my usual / normal processes. For example opening brave and then opening a new tab always triggers a blocklist_label of 1.

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Am I doing something wrong or is it normal that this triggers so frequently with a "High Malicious Probability Score"?

I'm using the latest version 2.4.0 in Elastic Security Serveless.

Willem

2

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