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Similarly to retrieve_input_file_md5, I was looking for a way to dump a patched input file.

Basically, I would like to do the following:

  • patch the file in IDA
  • dump the patched input file to another file
  • try the resulting file in an emulator (it's a PSX BIOS)

Is this possible from within IDA ?

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You can modify the code in IDA. IDA saves internally the original as well as the patched content.

Make your modifications using the sub menu commands of Edit -> Patch program

If your modifications are completed you can apply the modifications on an external file. To do so use menu Edit -> Patch program -> Apply patches to input file. It allows you to select an external file and apply the changes you have made to it.

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  • Great, thank you ! – Aybe Mar 6 at 11:13

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