Difference between exclusion and add to allow list Cortex XDR

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L1 Bithead

Difference between exclusion and add to allow list Cortex XDR

good day community,

I have an incident due to the execution of an excel file that contains macros.

According to the verdict and its hash the file is not a threat.

My question is the following which is the most suitable method to allow the execution of said file?

In the incident analysis window, right click on the allow list process or generate an exclusion? what is the difference?

 

Best regards

Cibersecurity Engineer

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L2 Linker

Hello,

 

It depends on what you want to do. If the verdict from WF / Local Analysis was benign, the file should've been allowed to run on the endpoint. Please verify that first - was the file allowed to run, or did Cortex prevent it?

1. If the file was allowed to run it means that some BIOC rule probably triggered the detection due to Macro-enabled Excel document. In this case what you want to do is create an Exclusion. Exclusions basically hide the alerts that contain such criteria that you define in Exclusion.

 

2. If the file was actually prevented, then you would need to find out which Security profile caused the prevention (Ransomware protection, Malware Protection,..). In this case, it is is probably Anti-Malware protection profile. Edit it and locate the section with Office Files with Macros Examination. In this section you are able to add Files / Folders to Allow List, where you would add this file.

 

Hope this helps.


Best,

D

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Highlighted
L2 Linker

Hello,

 

It depends on what you want to do. If the verdict from WF / Local Analysis was benign, the file should've been allowed to run on the endpoint. Please verify that first - was the file allowed to run, or did Cortex prevent it?

1. If the file was allowed to run it means that some BIOC rule probably triggered the detection due to Macro-enabled Excel document. In this case what you want to do is create an Exclusion. Exclusions basically hide the alerts that contain such criteria that you define in Exclusion.

 

2. If the file was actually prevented, then you would need to find out which Security profile caused the prevention (Ransomware protection, Malware Protection,..). In this case, it is is probably Anti-Malware protection profile. Edit it and locate the section with Office Files with Macros Examination. In this section you are able to add Files / Folders to Allow List, where you would add this file.

 

Hope this helps.


Best,

D

View solution in original post

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