cyvrlpc.sys caused a bugcheck (BSOD) on Server 2012 R2

We use Cortex XDR 7.5.x and unexpectedly we have at least 1 system which faulted the whole OS and it rebooted due to a bugcheck, blue screen of death. After debugging the minidump file, it indicates that cyvrlpc.sys caused this BSOD.

Why would this h

Cortex XDR Exclusions vs Exceptions

Hello all,

Exclusions versus Exceptions, why is excluding an alert so much easier than creating an exception when it should be the opposite? 

According to Palo Alto, "If you do not want Cortex XDR to display alerts that match certain criteria, you ca

Searching Endpoints

If I want to search all endpoints for foobar.txt in XQL what would that look like? I've tried to search for the hash

dataset = endpoints
| filter sha256() = "90be1c2c0fc5c36b3e10dcd89a8cda61462cb420a043a5759a7e1e3bba3eee38"

The file path and neither s

Different process exception on Exception Profile and Folder Allow List on Malware profile

Hi Expert,

Please give me advice, So I have assesment for exclusion folder and file .exe and file etc extension.

The asessment from Sophos for agent existing my customer.

The example exclusion files like a below :

C:\Windows\System32\backgroundTaskHos

How does XDR quota for data?

How does XDR allocate quotas for data? My license is 5TB and dataset management shows that I have used 3.9TB, but I log into Datalake to check if the usage is 0. What happens if 5TB is full? Does xdr_data take up 5TB? Is it possible to set a quota or

Is CVE-2021-4034 covered by Cortex XDR?

Hi,

does anyone know if the vulnerability CVE-2021-4034 is covered by Cortex XDR Prevent or Pro?

Source: https://blog.qualys.com/vulnerabilities-threat-research/2022/01/25/pwnkit-local-privilege-escalation-vulnerability-discovered-in-polkits-pkexec-cv

Can't Uninstall Cortex XDR

Hi, I installed Cortex XDR on my computer and it ended up not even being able to open. I want to uninstall it but I keep getting the error that Anti-Tampering is on. Is there a way to uninstall this without being able to open the program at all?

ubuntu fixdep causes malware alerts

Hi all, I have an ubuntu user which throws up malware alerts on a seemingly innocent ubuntu component - fixdep. I havent seen anything online about it being used in malicious activities , and it dosent show up on other ubuntu workstations. 

Has anyone

XDR and proxy

Hi all,

I have a bit of a situation - I have a user that IT suspects is experiencing connection problems due ti the xdr agent. the user gets proxy error when opening chrome. However - His endpoint is not isolated, there are no quarantined files relati

more Content Update version questions

I see this discussion has come up before here:   (https://live.paloaltonetworks.com/t5/cortex-xdr-discussions/manually-update-content-version/m-p/440628#M1142)

And I don't see yet an answer to FIX the problem or resources indicated as to what to look

Cortex Doubt Operations

Hello everyone;

Cortex:
The console reports 481 agents of which it gives with lost connection 110, in the licensing section it indicates 371 agents installed of the 500 licensed, so it seems that it does not take into account those of lost connection,