As ransomware becomes an increasingly lucrative business, organized crime groups are expanding their operations to reach more victims and extract more ransoms. Meanwhile, security measures are getting better at detecting and blocking ransomware, forcing cybercriminals to constantly develop new techniques to evade detection. One of these advanced techniques involves ?fileless?, where malicious code is either embedded in a native scripting language or written straight into memory using legitimate administrative tools such as PowerShell, without being written to disk.
This infographic describes how fileless PowerShell-based ransomware works.
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