Check Point Advisories

Lumma C2 Communication

Vulnerability
Protection

Check Point Reference:	CPAI-2025-0338
Date Published:	30 Jun 2025
Severity:	Critical
Last Updated:	Monday 30 June, 2025
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Lumma Stealer is a Malware-as-a-Service credential stealer that targets Windows systems. It's a widely distributed infostealer that harvests sensitive data like browser passwords, crypto wallets, cookies, and more, and exfiltrates it to a remote Command & Control server.

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 Lumma C2 Communication 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: Lumma C2 Communication