Binary Logic, Shifts, and the Zero Register
A hands-on exploration of boolean logic and shift operations on AArch64, driven by debugging rather than theory. This lesson focuses on how small, legal deta...
Recent Posts
0tH2026.2.0 Released
Zero the Hero (0tH) 2.0 is out. A Mach-O triage tool for macOS security work, focused on structural inspection and code-signing analysis, with both CLI and R...
Byte Architect War Journal - December
The Byte Architect - December - News
Understanding Instruction Flow on AArch64 with LLDB
In this post we explore how AArch64 programs actually execute, stepping through instructions with LLDB instead of relying on abstract explanations or “hello ...
Reading LC_CODE_SIGNATURE with 0tH
A deep, hands-on walkthrough of LC_CODE_SIGNATURE across three Mach-O binaries — from an ad-hoc do-nothing app to Safari’s full Apple-grade signature. We in...