Forensically Sound checkm8 Extraction: Repeatable, Verifiable and Safe

February 1st, 2023 by Oleg Afonin

What does “forensically sound extraction” mean? The classic definition of forensically sound extraction means both repeatable and verifiable results. However, there is more to it. We believe that forensically sound extractions should not only be verifiable and repeatable, but verifiable in a safe, error-proof manner, so we tweaked our product to deliver just that.

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Apple Releases iOS 12.5.7, iOS 15.7.3. What About Low-Level Extraction?

January 26th, 2023 by Oleg Afonin

Apple is known for a very long time they support their devices. On January 23, 2023, alongside with iOS 16.3 the company rolled out security patches to older devices, releasing iOS 12.5.7, iOS 15.7.3 and iPadOS 15.7.3. iOS 12 was the last major version of iOS supported on Apple A7, A8, and A8X devices, which includes the iPhone 5s and iPhone 6 and 6 Plus generations along with several iPad models. We tested low-level extraction with these security-patched builds, and made several discoveries.

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iOS 15.5 Low-Level Keychain Extraction

January 10th, 2023 by Oleg Afonin

The updated iOS Forensic Toolkit 8.11 brings keychain decryption support to devices running iOS/iPadOS versions up to and including the 15.5 by using the extraction agent. The tool supports recent models that can run iOS 15 , which includes devices based on the Apple A12 through A15 Bionic, as well as Apple Silicon based devices built on the M1 SoC.

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Use The Brute Force, Luke

January 3rd, 2023 by Oleg Afonin

There are several methods for recovering the original password ranging from brute force to very complex rule-based attacks. Brute-force attacks are a last resort when all other options are exhausted. What can you reasonably expect of a brute-force attack, what is the chance of success, and how does it depend on the password and the data? Or just “how long will it take you to break it”? Let’s try to find out.

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checkm8 for iOS 16.2 and Windows-based iOS Low-Level Extraction

December 29th, 2022 by Oleg Afonin

Just before the turn of the year, we’ve made an important update to Elcomsoft iOS Forensic Toolkit, a low-level iOS file system extraction and keychain decryption tool. The update brings checkm8 support to iOS, iPadOS and tvOS 16.2 devices, and enables agent-based low-level extraction of iOS 15.5. We’ve also fixed what’s been long broken: the ability to sideload the extraction agent from Windows PCs, yet the two updates are delivered in different branches. Sounds confusing? We’re here to solve it for you.

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Season’s Greetings and 2022 in Review

December 22nd, 2022 by Olga Koksharova

The new year is fast approaching, and of course we are curious to know what it has in store for us in the field of computer, mobile, and cloud forensics. But before 2022 is over, we invite you to take a moment to reflect on what 2022 has been like for us. More research, development and updates remained our top priority, as it has been in all previous years. We have continued with constant improvement to our solutions by launching new features and expanding product capabilities. We’ve also got a chance to attend some conferences to meet with you in person and share our expertise. So, here’s our take on the results of 2022.

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Windows Account Passwords: Why and How to Break NTLM Credentials

December 16th, 2022 by Oleg Afonin

Windows account passwords, or NTLM passwords, are among the easiest to recover due to their relatively low cryptographic strength. At the same time, NTLM passwords can be used to unlock DPAPI-protected data such as the user’s passwords stored in Web browsers, encrypted chats, EFS-protected files and folders, and a lot more. In this article we argue about prioritizing the recovery of NTLM hashes over any other types of encrypted data.

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iOS Forensic Toolkit 8: Apple TV 3, 4, and 4K checkm8 Extraction Cheat Sheet

December 2nd, 2022 by Oleg Afonin

Several generations of Apple TV devices have a bootloader vulnerability that can be exploited with checkm8 to extract information from the device. The vulnerability exists in the Apple TV 3 (2012 and 2013), Apple TV HD (formerly Apple TV 4) 2015 and 2021, and Apple TV 4K (2017). Newer generations of Apple TV do not have the vulnerability. This guide lists the tools and steps required to fully extract a compatible Apple TV device.

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iOS Forensic Toolkit 8 Apple Watch S3 checkm8 Extraction Cheat Sheet

November 29th, 2022 by Oleg Afonin

checkm8 is the only extraction method available for the Apple Watch S3 allowing full access to essential evidence stored in the device. In this guide, we will talk about connecting the Apple Watch S3 to the computer, placing the watch into DFU mode, applying the checkm8 exploit and extracting the file system from the device with iOS Forensic Toolkit 8.0.

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Approaching iOS Extractions: Choosing the Right Acquisition Method

November 24th, 2022 by Oleg Afonin

The extraction method or methods available for a particular iOS device depend on the device’s hardware platform and the installed version of iOS. While logical acquisition is available for all iOS and iPadOS devices, more advanced extraction methods are available for older platforms and versions of iOS. But what if more than one way to extract the data is available for a given device? In this guide, we’ll discuss the applicable acquisition methods as well as the order in which they should be used.

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