IPSW - Apple Reverse Engineering Toolkit

Install: brew install blacktop/tap/ipsw (Linux: see https://github.com/blacktop/ipsw#install)

Choose Your Workflow

Goal	Start Here
Download/extract firmware	Firmware Acquisition
Reverse engineer userspace	Userspace RE
Analyze kernel/KEXTs	Kernel Analysis
Research entitlements	Entitlements
Dump private API headers	Class Dump
Analyze standalone binary	Mach-O Analysis
Diff two IPSWs/OTAs	Firmware Diffing
Symbolicate a crash / panic	Symbolication
Parse IMG4/AEA/iBoot/SEP	Firmware Components
Decompile / query sandbox profiles	Sandbox Profile Analysis
Inspect / mount an IPSW	IPSW Inspection