XQL to detect the ScreenConnect Client in response to CVE-2024-1709 and CVE-2024-1708

LtwcTeam10 — Mon, 26 Feb 2024 20:35:18 GMT

On February 19th ConnectWise released a security bulletin and update for their ScreenConnect software. https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8
On February 20th ConnectWise announced that exploitation had been seen in the wild. At least one proof of concept was available at 6:27 AM UTC Feb 21 https://twitter.com/watchtowrcyber/status/1760189490067390581

The exploit complexity was incredibly low. A demo can be found here https://www.youtube.com/watch?v=ud5FP-wHOcs

The following XQL will show hosts that have the Windows ScreenConnect client on them.

config case_sensitive = true | preset = xdr_image_load | filter actor_process_image_name = "ScreenConnect.WindowsClient.exe" | dedup agent_hostname

Re: XQL to detect the ScreenConnect Client in response to CVE-2024-1709 and CVE-2024-1708

nsinghvirk — Tue, 05 Mar 2024 03:22:31 GMT

Thanks for sharing the XQL query with community. We appreciate you contribution.

To learn more about Palo Alto's threat brief on it and how Palo Alto products protect against it please refer below article.