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Cortex XDR Discussions
Cortex XDR allows you to rapidly detect and respond to threats across your networks, endpoints, and clouds. It assists SOC analysts by allowing them to view ALL the alerts from all PANW products in one place, telling the full story of what actually happened in seconds and allows seamless response.
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Cortex XDR Discussions
Cortex XDR allows you to rapidly detect and respond to threats across your networks, endpoints, and clouds. It assists SOC analysts by allowing them to view ALL the alerts from all PANW products in one place, telling the full story of what actually happened in seconds and allows seamless response.
About Cortex XDR Discussions

Cortex XDR allows you to rapidly detect and respond to threats across your networks, endpoints, and clouds. It assists SOC analysts by allowing them to view ALL the alerts from all PANW products in one place, telling the full story of what actually happened in seconds and allows seamless response.

Please note: All postings in LIVEcommunity are visible to other users; please keep your network secure by refraining from posting live IP address’s or domain names here. Contact your Customer Success team for network-specific questions.

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Welcome to the Cortex XDR Discussions!

To make this forum valuable and enjoyable for everyone, please review the following guidelines before participating: Rules and Best Practices Be Respectful: Treat fellow community members with professionalism and courtesy. Constructive discussions are encouraged; disrespectful or inflammatory comments are not. Stay On-Topic: This board is d...

JayGolf by • Community Team Member
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Resolved! Find the responsible application in Windows for making malicious DNS requests

Hello everybody, I sometimes receive alerts from our firewall blocking a malicious DNS request, but when I want to track it to the application that made that request, I just see Windows DNS cache service. Is there any way to audit specific DNS requests e.g. "gyoutube.com" ,which is actually malicious, in a Windows client using Cortex or other to...

Cortex XDR is unable to block USB viruses - the reason is unknown.

We recently encountered an issue where a user's computer got infected with a USB virus after inserting a USB drive. The virus uses USB Driver.exe to create some directories and malicious programs as shown in the attached image. Additionally, it uses vmnet.exe to load these DLL files. However, Cortex XDR did not block it. We have already enabled ...

kentwuhc by • L1 Bithead
  • 2016 Views
  • 1 replies
  • 0 Likes

Virtual functions/Variables - Creating anomaly based detection rules - XQL

Hello Everyone, Cortex XDR has the functionality does allows you to use XQL queries to create lookups or datasets. The problem is that these are static and cannot be dynamically updated for detection rules.The use case I had in mind is that I have two XQL queries the first one looks at events occurring from 30 to 1 day ago. The second query lo...

Resolved! Suspicious domain suffix with a rare user agent - Explanation

Hello Community,The BIOC Analytics has recently added these alerts and I wanted to get some insight and I hope this thread can be used in the future by others as well. While the same seems straightforward there are some issues. The name of the alert suggests that a suspicious domain suffix was seen WITH a rare user agent. The issue is that in ...

Agent Audit Log "Start" event

Hi, I cannot find a single "Start" event under my Agent Audit Logs. If I can see there is a "Start" if I use "Sub-Type" as a filter so I suppose there must be "Start" event. Does anyone have idea?

Huge Cortex XDR upload traffic observed from firewall

We have branch network connected to Data center via MPLS VPN link. All branch PCs internet traffic going out from the DC firewall. From all the branch PCs (Around 8000), we have observed a huge outbound traffic towards internet related to Cortex XDR traffic. Has anyone observed this similar behavior from Cortex XDR agents? I have attached an scr...

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DS1465 by • L1 Bithead
  • 1295 Views
  • 1 replies
  • 0 Likes

API Syntax Issue

Hi everyone, I'm trying to use the 'run_script' API to start the built-in 'Execute_Commands' script on a target machine. I've worked through a few error messages already regarding the command string having black slashes, timeout not being set as integer etc. Now Cortex is telling me I'm missing some parameters from the API call. I have no idea...

Required Windows Event IDs for the best Cortex XDR detection performance

Hello, dear Community, I need a list of Windows event IDs required for BIOC and other Cortex XDR rules to work effectively. For example, when we performed a Kerberos user enumeration attack using Kerbrute, it was not detected initially. Cortex XDR requires event ID 4768 to be enabled to detect such an attack. After enabling this event ID and t...

agsaqqal by • L0 Member
  • 2592 Views
  • 1 replies
  • 2 Likes

Resolved! Email_data dataset empty

Hi all, have been digging into our Cortex tenant and noticed that the email_data dataset has no data. Our emails come from Microsoft Exchange online. To get data to this dataset is it just having a compliance mailbox set up in exchange? We already have a connector to M365 and I can see data in the dataset msft_o365_exchange_online_raw but we hav...

Allowing child process from parent process in Cortex XDR

Hello, Is there a way to allow a legitimate parent process to create a legitimate child process on Cortex XDR that is being blocked due to "Suspicious Process Creation"? In my case, I whitelisted the child process but the block continues. I do not want to whitelist the parent process as this may allow malware into our environment someday. I reme...

oburgos by • L0 Member
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  • 4 replies
  • 0 Likes
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