checkra1n & unc0ver: How Would You Like to Jailbreak Today?

June 3rd, 2020 by Vladimir Katalov

Extracting the fullest amount of information from the iPhone, which includes a file system image and decrypted keychain records, often requires installing a jailbreak. Even though forensically sound acquisition methods that work without jailbreaking do exist, they may not be available depending on the tools you use. A particular combination of iOS hardware and software may also render those tools ineffective, requiring a fallback to jailbreak. Today, the two most popular and most reliable jailbreaks are checkra1n and unc0ver. How do they fare against each other, and when would you want to use each?

Read the rest of this entry »

iOS Acquisition Reloaded

May 12th, 2020 by Vladimir Katalov

The new build of iOS Forensic Toolkit is out. This time around, most of the changes are “internal” and do not add much functionality, but there is a lot going on behind the scenes. In this article, we will describe in details what is new and important, and how it’s going to affect you. We’ll share some tips on how to use the software in the most effective way, making sure that you extract all the data from iOS devices in the most forensically sound possible.

Read the rest of this entry »

Google Account Access Without a Password

May 7th, 2020 by Oleg Afonin

Cloud acquisition is one of the most common ways to obtain valuable evidence. When it comes to Google, the Google Account analysis may return significantly more data compared to the extraction of a physical Android device. However, there is one feature that is often overlooked: the ability to extract data stored in the user’s Google Account without the login and password. Let’s talk about Google authentication tokens and what they bring for the mobile forensics.

Read the rest of this entry »

Extracting Google Dashboard Data

May 5th, 2020 by Oleg Afonin

We have updated Elcomsoft Cloud Explorer, our Google Account extraction tool, with Google Dashboard support. The Google Dashboard service is little known among computer forensic specialists since Dashboard data cannot be downloaded from Google or obtained by serving a legal request. Yet, Dashboard aggregates massive amounts of data collected and stored in the user’s Google Account, offering an essential overview of the user’s activities. In this article, we’ll demonstrate how to obtain Dashboard data directly from the user’s Google account.

Read the rest of this entry »

How to Unlock Windows Systems with a Bootable Flash Drive

April 30th, 2020 by Oleg Afonin

Accessing a locked system is always a challenge. While you might be tempted to pull the plug and image the disk, you could miss a lot of valuable evidence if you do. Full-disk encryption, EFS-encrypted files and folders and everything protected with DPAPI (including the passwords stored in most modern Web browsers) are just a few obstacles to mention. Recovering the original Windows logon is a must to access the full set of data, while resetting the logon password may help unlock working accounts in emergencies.

Read the rest of this entry »

How To Extract Telegram Secret Chats from the iPhone

April 29th, 2020 by Oleg Afonin

With nearly half a billion users, Telegram is an incredibly popular cross-platform instant messaging app. While Telegram is not considered the most secure instant messaging app (this title belongs to Signal), its conversation histories do not appear in either iTunes or iCloud backups. Moreover, Telegram secure chats are not stored on Telegram servers. As a result, Telegram secret chats can be only extracted from the device of origin. Learn how to extract and analyse Telegram secret chats from the iPhone file system image.

Read the rest of this entry »

Forensic guide to iMessage, WhatsApp, Telegram, Signal and Skype data acquisition

April 29th, 2020 by Vladimir Katalov

Instant messaging apps have become the de-facto standard of real-time, text-based communications. The acquisition of instant messaging chats and communication histories can be extremely important for an investigation. In this article, we compare the five top instant messaging apps for iOS in the context of their forensic analysis.

Read the rest of this entry »

iOS acquisition methods compared: logical, full file system and iCloud

April 20th, 2020 by Vladimir Katalov

The iPhone is one of the most popular smartphone devices. Thanks to its huge popularity, the iPhone gets a lot of attention from the forensic community. Multiple acquisition methods exist, allowing forensic users to obtain more or less information with more or less efforts. Some of these acquisition methods are based on undocumented exploits and public jailbreaks, while some other methods utilize published APIs to access information. In this article, we’ll compare the types and amounts of data one can extract from the same 256-GB iPhone 11 Pro Max using three different acquisition methods: advanced logical, full file system and iCloud extraction.

Read the rest of this entry »

Cloudy Times: Extracting and Analyzing Location Evidence from Cloud Services

April 9th, 2020 by Oleg Afonin

Geolocation data can provide a wealth of evidence to various government agencies. Law enforcement agencies use location data to help place suspects near a crime scene in a given time frame. However, the use of location is not limited to criminal or civil investigations. Emergency response services use geolocation to locate persons, taxi and delivery services use location to improve service. There are many more examples where location evidence is vital. Recently, governments have started using (or are considering using) geolocation data to help identify and isolate infected citizens. Where does the location evidence come from and how one can extract it?

Read the rest of this entry »

Extracting Passwords from Microsoft Edge Chromium

April 9th, 2020 by Oleg Afonin

Last week, Microsoft Edge has become the second most popular desktop Web browser based on NetMarketShare usage figures. The new, Chromium-powered Edge offers impressive levels of customization and performance, much better compatibility with Web sites. The new browser is available on multiple platforms including older versions of Windows. With Chromium-based Edge quickly gaining momentum, we felt the urge of researching its protected storage.

Read the rest of this entry »

Breaking LastPass: Instant Unlock of the Password Vault

April 6th, 2020 by Oleg Afonin

Password managers such as LastPass are designed from the ground up to withstand brute-force attacks on the password database. Using encryption and thousands of hash iterations, the protection is made to slow down access to the encrypted vault that contains all of the user’s stored passwords. In this article, we’ll demonstrate how to unlock LastPass password vault instantly without running a length attack.

Read the rest of this entry »