: Using techniques like "Zip Slip" or path traversal during the extraction process on the server.

Are you referring to a (like Hack The Box) or a particular file you found on your system?

: Automating the decompression on the server using libraries like RarArchive in PHP.

: The mechanism by which the RAR file extracts its malicious content—often using WinRAR vulnerabilities or hidden scripts (LNK files) inside the archive.

Upload mp3, doc, ppt, sql, zip, tar, rar files - Stack Overflow

: Creating an HTML restricted to the .rar extension.

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