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Dropping a PDF via HID attackmode


Didier Stevens
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I updated my HID file dropping method for the Bash Bunny.

This is for hardened computers that don't accept removable storage.

Steps:

  • create a pure ASCII PDF with embedded file (for example EXE) using my make-pdf-embedded tool
  • create a Ducky script to type out said PDF
  • launch notepad on target machine and type out content of PDF
  • save file as .pdf file
  • open with Adobe Reader
  • extract embedded file
  • if necessary, change extension
  • open file

More details: https://blog.didierstevens.com/2017/04/24/bash-bunny-pdf-dropper/

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