README.md

Welcome to Hoyt's SRD Repo

whoami

I am David Hoyt.

• https://hoyt.net
• https://srd.cx
• https://xss.cx

SUMMARY

• This Repo was ahead of the Apple Repo as of December 15, 2022 when I returned my Devices
• Built on macOS 13.x X86_64 & arm64e
• The DMG's are all Built with XNU 8792.60.55 and options Targeting for iOS 16
• Frida, Toybox Unstripped, SSH, debugserver, other example Register Code
• Largest Public Code Repo for the Apple Security Research Device with all details provide
• iOSOnMAC Fuzzing native iOS Apps on macOS - https://github.com/xsscx/macos-research/tree/main/code/iOSOnMac
• Required Reading - https://github.com/xsscx/srd/issues?q=is%3Aissue+is%3Aclosed
• Open an Issue or Ask a Question
• See https://github.com/xsscx/macos-research

Toybox Unstripped

nm -a com.example.cryptex.dstroot/usr/bin/toybox  | wc -l
     941

START HERE

Install my Pre-Built SRD DMG

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/xsscx/srd/main/dmg/install.sh)"

SRD Example DMG, Build & Installation Status for iOS 16.x w/ + 8792.60.55

Build OS & Device Info	Example DMG	debugserver DMG	ASAN DMG	UBSAN DMG
macOS 13.0.1 22A400 X86_64	PASS	PASS	PASS	PASS
macOS 13 Beta T8101	PASS	PASS	PASS	PASS
X86_64 Install to iPhone 11 16.2_20C5049e	PASS	PASS	PASS	PASS
T8101 Install to iPhone 12 16.2_20C5049e	PASS	PASS	PASS	PASS

Last Known Good Working Configuration(s)

• SIP Enabled
• macOS 13.x X86_64 or M1 T8101 macOS 13.x
• cryptexctl or CryptexManager
• Xcode beta

Lastest IPSW Installations

Signed File: iPhone11,8,iPhone12,1_15.5_19F77_Restore.ipsw | defaults write com.apple.AMPDevicesAgent ipsw-variant -string 'Research Customer Erase Install (IPSW)' 
Signed File: iPhone13,2,iPhone13,3_15.5_19F77_Restore.ipsw | defaults write com.apple.AMPDevicesAgent ipsw-variant -string 'Research Customer Erase Install (IPSW)'
Signed File: iPhone12,1_16.0_20A5328h_Restore.ipsw | defaults write com.apple.AMPDevicesAgent ipsw-variant -string 'Research Developer Erase Install (IPSW)'
Signed File: iPhone13,2,iPhone13,3_16.0_20A5328h_Restore.ipsw | defaults write com.apple.AMPDevicesAgent ipsw-variant -string 'Research Developer Erase Install (IPSW)'

Prerequisites

• Security Research Tools https://github.com/apple/security-research-device

Resources

• Source: https://github.com/apple/security-research-device/tree/main/example-cryptex

• DMG: https://github.com/xsscx/srd/raw/main/dmg/srd-universal-cryptex.dmg

• Install: https://github.com/xsscx/srd/tree/main/dmg#readme

• Discussion: nvram settings disabling KTRR, CTRR and kASLR https://github.com/apple/security-research-device/discussions/2

• IPSW & Cryptex Installations

  • Build Info, Issue Tracker
  • Summary & Workarounds
  • iPhone 11 & 12 SRD Models

• Pre-built DMG's for the Apple Security Research Device

  • toyboxunstripped
  • frida
  • debugserver
  • Sample PoC's from CVE's
    • Chain3
    • P0 PoC's
      • Stage 0,1,2
      • port_refs
    • ZecOps
      • iOS 13 + 14 Voucher Leak

• Sample Code

  • Example ASAN Makefile and Binary
  • Example UBSAN Makefile and Binary
  • Example Code Coverage Makefile and Binary
  • Example libarchive.a
  • Example aslr Binary
  • Example Binaries in /bin

SRD DMG Testing

• Universal cryptex for iPhone 11 and iPhone 12 SRD Models
• Tested on the iPhone 11 for all IPSW from the iOS 14.3 floor for the iPhone 11 up to the latest iOS 16
• Tested on the iPhone 12 for all IPSW from the iOS 15.2 floor for the iPhone 12 up to the latest iOS 16
• Tested on macOS 11.6.x using SRT 20C80, macOS 12.x using 21F79 and Cryptex Manager from X86_64 and M1 T8101 Platforms

SRD Cryptex Log Collector

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/xsscx/srd/main/srd_tools-24.100.3/example-cryptex/srd-cryptex-logcollector.sh)"

Hosts

X86_64

sysctl -a | grep CPU
machdep.cpu.brand_string: Intel(R) Core(TM) i7-8700B CPU @ 3.20GHz

Run Targets

SRD's - iPhone 11 and iPhone 12
iPhone 12 Pro Max
iPad 12 Pro
X86_64 mini
M1 T8101

How-To Compile for iOS

xcrun -sdk iphoneos clang -g -O2  -mios-version-min=14.3 -DDEBUG=0  -Wall -Wpedantic -Wno-gnu -Werror -Wunused-variable -o a.out code.s

• To ALL - Open a Discussion, PR or Issue with Suggestions, Comments, Bugs, Feedback, Tips etc..
• Collaborative Research
• All Code and Questions are Welcome
• When you see Code Errors, Fails or LOL's.. Please Open an Issue... Thanks!