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10-12-2023 11:10 AM
Hey all,
Does anyone have experience with turning auto quarantine on?
I don't see much documentation on it but I'm assuming its as simple as quarantining the files associated with Wildfire verdicts.
We're looking to set up recurring malware scans on groups of assets at a time.
I know that when malicious files are found, they create alerts/incidents..
1 - If something is auto quarantined, are alerts/incidents still created?
2 - Has your experience with auto quarantine been mostly a positive experience?
Any insight would be appreciated.
Kind Regards,
Bojan
10-12-2023 07:40 PM - edited 10-12-2023 07:41 PM
Hi @Bojan-Totic ,
Thank you for writing to live community!
Cortex XDR malware profiles have quarantine options which dictates automatic quarantine on malicious activity detection. By default these are disabled and security admins can choose which module they need to enable the quarantine for. A classic and most widely used module is Portable executable and DLL examination where you get multiple options to choose to quarantine files based on Wildfire or Local analysis or both.
When the agent detects a malicious file and if the agent policy enforces a quarantine, the executable is automatically quarantined as part of malware scan or as a part of execution.
Screenshot attached. Hope this helps!
Please mark the response as "Accept as Solution" if it answers your query.
10-18-2023 08:52 AM
Do you have internally deved apps?
Do you have code signing in place?
Have you excluded your signature from XDR Malware?
If you've answered yes to all 3 questions you are good to move forward or if you don't have any internally deved apps.
03-13-2024 07:06 AM
When Quarantine is disabled, what sort of action does Cortex take with the detected "malware"? Does it delete it from the disk? Ignore it, or just blocks it from executing?
03-13-2024 08:12 PM
Hi @MosR ,
The fundamental principle of Cortex XDR is that it is an execution based detection and prevention solution. As a result the file if written to the disk if malicious stays on the system until executed or scanned. If the execution happens and quarantine is disabled, the execution, if malicious will still be blocked and you should have alerts as "Prevented(Blocked)". Alternatively, if the malicious file is scanned by the xdr agent as part of malware scans without quarantine enabled, it should alert as "Detected(Scanned)"
The unique distinguisher of any executable being quarantined or not, is what we can see from the causality view is the lock icon on the causality card depicting if the file is quarantined or not, but the execution action may still be prevented.
With the advent of Cortex XDR 3.9 and agent 8.3 and above, we also have on write file protection module which if enabled can also provide alerts on detections of disk write events(if quarantine is not enabled) and prevent and remove the file from the disk to the quarantine folder(if quarantine is enabled).
Hope this answers your query.
03-14-2024 05:48 AM - edited 03-14-2024 05:50 AM
@neelrohit Thank you for the response, it certainly does. This topic is also covered in the following thread https://live.paloaltonetworks.com/t5/cortex-xdr-discussions/block-versus-quarantine-malware-module-s...
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