mach-o

1 free lesson tagged mach-o across Programming. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.

Programming

advanced

Binary formats and what the loader does

The first layer of reverse engineering — the file format on disk and the loader that maps it into memory. ELF, PE, and Mach-O as variants of the same idea; sections vs segments; symbol tables and what stripping actually removes; PLT/GOT/IAT and dynamic linking; packers like UPX; and the triage you do before opening a disassembler.

8 steps·~12 min

Binary formats and what the loader does

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