IOC Function

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IOC Function

L1 Bithead

Hi Everyone,

 

Until now, I cant understood a function from IOC in Cortex XDR.

Could please share to me what's a main function IOC XDR?

Because I have tried to create new rules, for block link m.facebook , like a picture.

 

MuhammadRusli_0-1629424930850.png

 

But, after that I have tried to access again, and the result I keep can access the URL.

1 REPLY 1

L3 Networker

Hi @Muhammad-Rusli,  XDR Indicator rules (E.g. BIOC and IOC) are detection rules; therefore, they do not include prevention functionality. These rules will create a detection alert once the criteria has been met. You could also create a BIOC rule based on specific behavior and add that BIOC to a Restriction profile. The situation that you described sounds like a use-case to manage external dynamic lists.  Please note, there are some requirements that need to be met in order to leverage this feature: 

 

To maintain an EDL in Cortex XDR, you must meet the following requirements:
  • Cortex XDR Pro per TB or Cortex Pro per Endpoint license
  • An App Administrator, Privileged Investigator, or Privileged Security Admin role which include EDL permissions
  • Palo Alto Networks firewall running PAN-OS 9.0 or a later release
  • Access to your Palo Alto Networks firewall configuration
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