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I am trying to solve an elf CrackMe. I opened it with IDA Pro and I saw start function is on address 0x1E8. I opened the elf with HxD and I saw entry point is 0x1E9 (and no results on file for 01E8)...

If I run on Kali terminal:

readelf --symbols CrackMe

I don't get any result. If I run:

readelf --sections Crackme

I get over 20 sections.

If I try to execute the binary on Kali terminal:

./CrackMe

I get

zsh: exec format error.

I changed manually the byte of entry point that is different with HxD, E9 --> E8, but I don't get any different results when I execute all again using the edited file.

Any ideas? Thank you.

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  • 2
    Can you pls post the crackme?
    – Mega Tonnage
    Jul 31, 2022 at 1:30
  • The file could be stripped and doesn't match the architecture of your kali vm. You could run file CrackMe to see what's breaking.
    – sudhackar
    Aug 3, 2022 at 10:43

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