osx-security-awesome

A collection of OSX/iOS security related resources

• News

• Hardening

• Malware sample sources

• DFIR

• Reverse engineering

• Presentations and Papers

• Virus and exploit writeups

• Useful tools and guides

• Remote Access Toolkits

• Worth following on Twitter

News

Linking a microphone

• The Story of CVE-2018-4184 or how a vulnearbility in OSX's Speech system allowed apps with access to the microphone to escape sandbox restrictions ### iOS vulnerability write-up
• A repository of iOS vulnerability write-ups as they are released
• Also includes conference papers ### iOS display bugs
• Regularly updated list of iOS display bugs

Mac Virus

• Frequently updated blog that provides a good summary of the latest unique mac malware.

Intego Mac Security Blog

• Intego's corporate Mac security blog often contains recent and in-depth analysis of mac malware and other security issues

Objective-See

• Objective-See's blog often contains in-depth breakdowns of malware they've reverse engineered and vulnarabilities they've discovered.

The Safe Mac

• Resource to help educate Mac users about security issues. Contains historical as well as timely security updates.

Mac Security

• Another Mac security blog. This often includes more in-depth analysis of specific threats.

OSX Daily

• Not strictly security-specific but it contains jailbreaking information which has security implications

Hardening

macops

• Utilities, tools, and scripts for managing and tracking a fleet of Macintoshes in a corporate environment collected by Google

SUpraudit

• System monitoring tool

EFIgy

• A RESTful API and client that helps Apple Mac users determine if they are running the expected EFI firmware version given their Mac hardware and OS build version

Launchd

• Everything you need to know about the launchd service

OSX startup sequence

• Step-by-step guide to the startup process

Google OSX hardening

• Google's system hardening guide

Run any command in a sandbox

• How to for using OSX's sandbox system

Sandblaster

• Reversing the Apple sandbox
• Paper

OSX El Capitan Hardening Guide

• Hardening guide for El Capitan

Hardening hardware and choosing a good BIOS

• Protecting your hardware from "evil maid" attacks

Malware sample sources

Objective-See

• Curated list of malware samples. Use this list if you're looking for interesting samples to reverse engineer ### Alien Vault ### Contagio malware dump

Digital Forensics / Incident Response (DFIR)

APOLLO tool

• Python tool for advanced forensics analysis
• Presentation slides
• Source code ### venator
• Python tool for proactive detection tool for malware and trojans
• Source ### lynis
• Security auditing tool for UNIX-based systems, including macOS ### AutoMacTC
• Modular forensic triage collection framework from CrowdStrike ### Legacy Exec History
• OSQuery module to give you a report of 32bit processes running on a 10.14 machine ### Using the macOS/iOS knowledgeC.db Database to Determine Precise User and Application Usage ### Artefacts for Mac OSX
• Locations of sensitive files ### Pac4Mac
• Forensics framework ### Inception
• Physical memory manipulation ### Volafox
• Memory analysis toolkit ### Mac4n6
• Collection of OSX and iOS artifacts ### Keychain analysis with Mac OSX Forensics ### OSX Collector
• Forensics utility developed by Yelp ### OSX incident response
• OSX incident response at GitHub Slides ### iOS Instrumentation without jailbreaking
• How to debug an iOS application that you didn't create ### Certo
• Paid service for analyzing the iTunes backup of your iOS device ### Blackbag Tech free tools ### OSX (Mac) Memory Acquisition and Analysis Using OSXpmem and Volatility ### mac-apt
• Mac Artifact Parsing Tool for processing full disk images and extracting useful information
• The author also has a collection of DFIR scripts

Reverse engineering

New OS X Book

• Frequently updated book on OSX internals ### Collection of OSX reverse engineering resources
• Another Awesome-style list dedicated to OSX reverse engineering resources ### The iPhone Wiki ### Reverse engineering OSX ### OSX crackmes
• A collection of puzzles to test your reverse engineering skills ### Introduction to Reverse Engineering Cocoa Applications
• Walkthrough for Coca applications ### iOS Kernel source
• Source code for iOS kernel ### Reverse Engineering Challenges
• Very good list of various crackme challenges that is categorized by level and OS ### Awesome Reversing
• Awesome list dedicated to reversing

Presentations and Papers

Area41 2018: Daniel Roethlisberger: Monitoring MacOS For Malware And Intrusions

Windshift APT

• Deep-dive write-up by Objective See ### Automated Binary Analysis on iOS – A Case Study on Cryptographic Misuse in iOS Applications
• Examining iOS applications for poorly guarded secrets ### Writing Bad @$$ Malware for OSX
• Slides and another related video. ### Methods of Malware Persistence on OSX ### Advanced Mac OSX Rootkits ### The Python Bytes Your Apple
  
• Fuzzing and exploiting OSX kernel bugs ### Breaking iOS Code Signing ### The Apple Sandbox - 5 years later ### Practical iOS App Hacking ### Behavioral Detection and Prevention of Malware on OS X ### Security on OSX and iOS
• Slides

Thunderstrike

• Video, hacking Mac's extensible firmware interface (EFI) ### Direct Memory Attack the Kernel ### Don't trust your eye, Apple graphics is compromised
• security flaws in IOKit's graphics acceleration that lead to exploitation from the browser ### Fuzzing and Exploiting OSX Vulnerabilities for Fun and Profit Complementary Active & Passive Fuzzing ### Strolling into Ring-0 via I/O Kit Drivers ### Juice Jacking ### Attacking OSX for fun and profit tool set limiations frustration and table flipping Dan Tentler
• Follow-up from target ### Building an EmPyre with Python ### PoisonTap ### Storing our Digital Lives - Mac Filesystems from MFS to APFS
• slides ### Collection of mac4en6 papers/presentations ### The Underground Economy of Apple ID ### iOS of Sauron: How iOS Tracks Everything You Do ### macOS/iOS Kernel Debugging and Heap Feng Shui ### Billy Ellis iOS/OSX hacking YouTube channel ### A Technical Autopsy of the Apple - FBI Debate using iPhone forensics | SANS DFIR Webcast ### Jailbreaking Apple Watch at DEFCON-25 ### SandScout: Automatic Detection of Flaws in iOS Sandbox Profiles
• An exploration of the sandbox protections policies
• Presentation

Virus and exploit writeups

Detailed Analysis of macOS/iOS Vulnerability CVE-2019-6231

• Exploration of QuartzCore/CoreAnimation flaw leading to a malicious application being able to read restricted memory. ### kernelcache laundering
• Load iOS12 kernelcaches and PAC code in IDA ### blanket
• Proof of concept for CVE-2018-4280: Mach port replacement vulnerability in launchd on iOS 11.2.6 ### Proof of Concept for Remote Code Execution in WebContent
• MachO tricks - Appears to be slides from a presentation that ends with the CVE listed above ### There's Life in the Old Dog Yet: Tearing New Holes into Intel/iPhone Cellular Modems
• How the public warning system can be used as an attack vector ### I can be Apple, and so can you
• An exploration of a code signing vulnerability in macOS that has persisted for 11 years
• Creating signed and customized backdoored macos apps ### Leveraging emond on macOS for persistence ### APFS credential leak vulnerability
• A flaw in Unified Logs leaks the password for encrypted APFS volumes

A fun XNU infoleak

Meltdown

• CPU flaw allowing kernel memory to be accessed by hijacking speculative execution
• Proof of concept
• Apple's statement
• Measuring OSX meltdown patches performance
• iPhone performance after Spectre patch ### Flashback
• Detailed analysis ### Flashback pt 2 ### iWorm
• Detailed analysis ### Thunderbolt
• Firmware bootkit ### Malware in firmware: how to exploit a false sense of security
• A post on the resurgence of bootkits and how to defend against them ### Proton RAT
• Exploration of a Remote Access Toolkit

Mokes

MacKeeper

OpinionSpy

Elanor

Mac Defender

Wire Lurker

KeRanger

• First OSX ransomware ### Proof-of-concept USB attack ### Dark Jedi ### EFI attack that exploits a vulnerability in suspend-resume cycle Sentinel One write-up ### XAgent Mac Malware Used In APT-28
• Samples ### Juice Jacking ### Local Privilege Escalation for macOS 10.12.2 and XNU port Feng Shui

Ian Beer, Google Project Zero: "A deep-dive into the many flavors of IPC available on OS X."

• Deep dive into the interprocess communication and its design flaws

PEGASUS iOS Kernel Vulnerability Explained

Analysis of iOS.GuiInject Adware Library

Broadpwn

• Gaining access through the wireless subsystem

Reverse Engineering and Abusing Apple Call Relay Protocol

• Details the discovery of a vulnerability in Apple's Call handoff between mobile and desktop through analyzing network traffic.

Exploiting the Wifi Stack on Apple Devices

Google's Project Zero series of articles that detail vulnerabilities in the wireless stack used by Apple Devices * Over The Air: Exploiting Broadcom’s Wi-Fi Stack (Part 1) * Over The Air: Exploiting Broadcom’s Wi-Fi Stack (Part 2) * Over The Air - Vol. 2, Pt. 1: Exploiting The Wi-Fi Stack on Apple Devices * Over The Air - Vol. 2, Pt. 2: Exploiting The Wi-Fi Stack on Apple Devices * Over The Air - Vol. 2, Pt. 3: Exploiting The Wi-Fi Stack on Apple Devices

ChaiOS bug

• A message that crashes iMessage
• Looks similar to previous bugs rendering Arabic characters

Useful tools and guides

[email protected]

• Mac enrollment helper provided by IBM ### mOSL
• Audit and fix macOS High Sierra (10.13.x) security settings ### Darling
• Darwin/macOS emulation layer for Linux ### Kemon
• Open source kernel monitoring ### jelbrektime
• Developer jailbreak for Apple Watch ### Booting Secure
• Deep dive into Secure Boot on 2018 MacBook Pro ### Tutorial - emulate an iOS kernel in QEMU up to launchd and userspace
• Tutorial on getting an iOS kernel to run in QEMU ### xnumon
• Monitor macOS for malicious activity
• source ### DetectX
• Audits system artifacts to help you identify unknown and novel threats ### Are you really signed?
• Utility to test for code-sign bypass vulnerability ### osx security growler
• Mac menubar item that lets you know about security events on your system ### mac-a-mal
• Automated malware analysis on macOS ### jrswizzle
• method interface exchange ### MacDBG
• C and Python debugging framework for OSX ### bitcode_retriever
• store and retrieve bitcode from Mach-O binary ### machotools
• retrieve and change information about mach-o files ### onyx-the-black-cat (outdated original)
• kernel module for OSX to defeat anti-debugging protection ### create-dmg
• CLI utility for creating and modifying DMG files ### dmg2iso
• convert dmg to iso ### Infosec Homebrew
• Homebrew tap for security-related utilities ### Awesome OSX Command Line
• Collection of really useful shell commands ### Keychain dump
• Dump keychain credentials ### KnockKnock
• Listing startup items. Also includes VirusTotal information ### Lingon-X
• GUI for launchd ### Hopper
• Excellent OSX debugger (requires license) ### Symhash
• Python utility for generating imphash fingerprints for OSX binaries ### KisMac2
• Wireless scanning and packet capturing ### Passive fuzz framework
• Framework is for fuzzing OSX kernel vulnerability based on passive inline hook mechanism in kernel mode ### Platypus
• GUI for generating .app bundles ### createOSXinstallPkg
• CLI for generating .pkg installers ### PoisonTap ### Chipsec
• System firmware checker by Intel ### Revisiting Mac OS X Kernel Rootkits by Phrack Magazine
• A collection of OSX rootkit ideas ### iPhone Data Protection in Depth ### Cycript
• Remote control library for fuzz testing iOS apps ### ChaoticMarch
• Blackbox fuzz testing for iOS apps (requires jailbreak) ### iOS backup decrypt script
• Contains a script for decrypting an encrypted iOS backup archive ### Remote Packet Capture for iOS Devices
• Use a remote virtual interface to capture packets from a tethered iOS device
• Python utility
• Another python utility ### Pareto Security
• A MenuBar app to automatically audit your Mac for basic security hygiene.

Remote Access Toolkits

Empyre

Bella

Stitch

Pupy

EggShell surveillance tool - Works on OSX and jailbroken iOS

EvilOSX - Pure python post-exploitation toolkit

Worth following on Twitter

• @patrickwardle
• @objective_see
• @0xAmit
• @osxreverser
• @liucoj
• @osxdaily
• @iamevltwin
• @claud_xiao
• @JPoForenso
• @patrickolsen

Other OSX Awesome lists

• ashishb/osx-and-ios-security-awesome