https://refspecs.linuxfoundation.org/elf/elf.pdf
https://0x00sec.org/t/dissecting-and-exploiting-elf-files/7267
https://0x00sec.org/search?q=ELF
Look at unknown and try to think of a familiar problem having the same or a similar unknown -" How to Solve It A New Aspect of Mathematical Method "