A new sophisticated backdoor malware targeting Russian-speaking victims has been uncovered, leveraging the .NET Cryptographic API (CAPI) to evade detection and maintain persistence. This espionage campaign highlights the increasing use of advanced techniques by threat actors to infiltrate sensitive networks and steal valuable information. The backdoor, disguised within legitimate .NET applications, exploits cryptographic functions to securely communicate with command and control servers, making traditional detection methods less effective. Security researchers emphasize the importance of updated endpoint protection and network monitoring to identify and mitigate such threats. Organizations operating in geopolitically sensitive regions, especially those dealing with Russian entities, should be particularly vigilant. This campaign underscores the evolving landscape of cyber espionage where attackers continuously refine their tools and tactics to bypass defenses and achieve their objectives. Enhanced threat intelligence sharing and proactive cybersecurity measures remain critical in defending against these sophisticated intrusions.
This Cyber News was published on thehackernews.com. Publication date: Mon, 20 Oct 2025 00:44:02 +0000