When RAR Roared!

WinRAR is a widely used compression utility around the world today. It is famously used to create the RAR archive. Though RAR is a proprietary compression format, the source code for UnRAR has been made open source.

In Aug 2023, it was reported that a 0-day vulnerability in WinRAR is being exploited in the wild. This was a Remote Code Execution (RCE) vulnerability assigned CVE-2023-38831, being exploited by multiple threat actors in various campaigns. Researchers were able to track initial …

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