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Reefa posted a topic in Security & Privacy NewsResearchers have discovered click fraud malware designed to “hide in plain sight” and evade traditional security tools by embedding data into an image file. Lurk is a downloader which uses digital steganography – the art of hiding information in images, audio or video files, according to a Dell SecureWorks Counter Threat Unit (CTU) Threat Intelligence paper by Brett Stone-Gross. “Lurk specifically uses an algorithm that can embed encrypted URLs into an image file by inconspicuously manipulating individual pixels. The resulting image contains additional data that is virtually invisible to an ob