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Antivirus Evasion | Breaking Cybersecurity News | The Hacker News

Category — Antivirus Evasion
New Malware Loaders Use Call Stack Spoofing, GitHub C2, and .NET Reactor for Stealth

New Malware Loaders Use Call Stack Spoofing, GitHub C2, and .NET Reactor for Stealth

Apr 02, 2025 Threat Detection / Malware
Cybersecurity researchers have discovered an updated version of a malware loader called Hijack Loader that implements new features to evade detection and establish persistence on compromised systems. "Hijack Loader released a new module that implements call stack spoofing to hide the origin of function calls (e.g., API and system calls)," Zscaler ThreatLabz researcher Muhammed Irfan V A said in an analysis. "Hijack Loader added a new module to perform anti-VM checks to detect malware analysis environments and sandboxes." Hijack Loader, first discovered in 2023, offers the ability to deliver second-stage payloads such as information stealer malware. It also comes with a variety of modules to bypass security software and inject malicious code. Hijack Loader is tracked by the broader cybersecurity community under the names DOILoader, GHOSTPULSE, IDAT Loader, and SHADOWLADDER. In October 2024, HarfangLab and Elastic Security Labs detailed Hijack Loader campaigns t...
Flying Under the Radar - Security Evasion Techniques

Flying Under the Radar - Security Evasion Techniques

Nov 25, 2024 Threat Intelligence / Security Awareness
Dive into the evolution of phishing and malware evasion techniques and understand how attackers are using increasingly sophisticated methods to bypass security measures. The Evolution of Phishing Attacks "I really like the saying that 'This is out of scope' said no hacker ever. Whether it's tricks, techniques or technologies, hackers will do anything to evade detection and make sure their attack is successful," says Etay Maor, Chief Security Strategist at Cato Networks and member of Cato CTRL . Phishing attacks have transformed significantly over the years. 15-20 years ago, simple phishing sites were sufficient for capturing the crown jewels of the time - credit card details. Today, attacks and defense methods have become much more sophisticated, as we'll detail below. "This is also the time where the "cat-and-mouse" attack-defense game began," says Tal Darsan, Security Manager and member of Cato CTRL. At the time, a major defense technique against credit card phishing sites inv...
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