We are receiving large number of alerts in our cortex xdr console, The alert is as below, (hostname and user name I have kept as XYZ for privacy)
'Kernel Privilege Escalation' generated by XDR Agent detected on host XYZ involving user XYZ"
In all the alerts the process involved is "java."
I need to understand this alert and the steps to be followed next.
Please share you knowledge on this.
Thanks & Regards
I'd recommend starting by gathering more information about the alert by viewing the Causality Chain, which details the activities involved in suspicious behavior. This can be accessed by right-clicking on an alert, hovering over "Investigate Causality Chain," and choosing a resulting option.
After determining whether the alert is a true- or false-positive, you can take your next steps:
In general, creating rule exceptions is discussed here (Skip to 2:41 of the video.) However, given the information you've provided, you'll likely create a Java Deserialization exception as documented here.
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