Check Point Advisories

macOS GateKeeper Notarization and File Quarantine Command and Control Bypass

Vulnerability
Protection

Check Point Reference:	CPAI-2024-1107
Date Published:	4 Dec 2024
Severity:	High
Last Updated:	Wednesday 04 December, 2024
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Shlayer is a campaign using a C2 communication to bypass macOS Gatekeeper, Notarization and File Quarantine security technologies. The exploit allows unapproved software to run on Mac and is distributed via compromised websites or poisoned search engine results.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the macOS GateKeeper Notarization and File Quarantine Command and Control Bypass protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: macOS GateKeeper Notarization and File Quarantine Command and Control Bypass