Mach-O and the App Store - Understanding iOS Binary Format and Submission Process

Dive into the intricacies of iOS app development and the App Store submission process in this 25-minute conference talk from LevelUp 0x03. Explore the Mach-O binary file format in detail, understanding its structure with segments and sections, including the LinkEdit and other unique segments. Gain insights into how the App Store submission process alters submitted code, and learn about the Fairplay DRM implementation. Discover why understanding these low-level details is crucial for iOS developers and security researchers alike.

Intro
Why do you wanna do this
What is Mach0
Segments and Sections
LinkEdit
Weird Segments
The App Store
Fairplay DRM