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Fileless malware a growing trend, warns McAfee

July 27, 2018

Many traditional security systems are based on detecting malware files, but if there is no malware file involved, these systems are rendered useless, making attacks very hard to detect.

PowerShell provides full access to Microsoft component object model (COM) and Microsoft Windows management instrumentation (WMI), making it a perfect tool for launching an attack.

According to McAfee researchers, one particular fileless threat, dubbed CactusTorch, has grown rapidy and can execute custom shellcode on Windows systems.

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