add ability to parse OriginalFilename

[theflakes]

MS doc: https://learn.microsoft.com/en-us/windows/win32/menurc/string-str?redirectedfrom=MSDN
Yara rule support for field: https://yara.readthedocs.io/en/v3.2.0/modules/pe.html

This is a useful field in threat hunting and forensics in general.

thanks

[m4b]

Seems reasonable to me, would you like to make a PR adding this? (ideally backwards compatible/non breaking) :)

[theflakes]

I can try at some point but its beyond my capabilities unfortunately. When I get some more time, I'll keep digging into it. Thanks