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spoofing-file-extensions.md

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Spoofing file extensions

  • To spoof the file extension of a file lookup for the Unicode of right-to-left char.

{% embed url="https://unicode-explorer.com/c/202E" %}

  • Once you copy it paste it before on the extensions you write in backwards to make the file name look like in the image below.

  • Some browsers will detect the right-to-left, and it will URL encode it.
  • To solve this problem, compress the file with a similar name of the original file, so now you can pass the link to the victim, and it will not be so suspicious.