I have to share 2 major resources I have used quite a lot now,
A - one exe - toolkit which includes debuggers, utils, and unpackers! Such a marvelous repo, respect!
- https://github.com/indetectables-net/toolkit
some Malware's inner workings! a list of common things used in malware (like isdebuggerpresent,etc )
- https://github.com/LordNoteworthy/al-khaser
And not to be forgotten - MrExodia's Titanhide!
- https://github.com/mrexodia/TitanHide
and finally
ImHex by WerWolv
- https://github.com/WerWolv/ImHex