Archive for the ‘Elcomsoft News’ category

Since April 2018, Apple made iTunes available to Windows 10 users through the Microsoft Store. While the stand-alone download remains available from Apple’s Web site, it is no longer offered by default to Windows 10 users. Instead, visitors are directed to Microsoft Store, which will handle the installation and updates of the iTunes app.

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WhatsApp remains one of the most popular instant messengers. With more than 1.5 billion users and about half billion daily active users, WhatsApp sends over 100 billion messages per day. WhatsApp is secure thanks to end-to-end encryption to make intercepted messages impossible to decrypt. While this is great news to consumers and privacy advocates, it is also bad news for the law enforcement. Once an expert accepts to access the suspect’s WhatsApp communication history, they will struggle with the encryption and demand for a vendor-provided backdoor (WhatsApp: The Bad Guys’ Secret Weapon).

Are there any other options to access WhatsApp conversations? We know of at least two. The first option is capturing the message database directly from the device of either party. The other option is going through the cloud. WhatsApp does not have its own native cloud service such as Telegram. All it has is a messaging relay service, which does not store messages for any longer than required to pass them along. In other words, any message that passes through WhatsApp servers is immediately deleted once it’s delivered (and it would be of no use to forensic experts anyway due to end-to-end encryption). It is important to note that WhatsApp accounts cannot be used on more than one device.

Let’s review WhatApp recovery/decryption options for both Android and iOS, and see what is new in Elcomsoft eXplorer for WhatsApp (EXWA).

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Health data is among the most important bits of information about a person. Health information is just as sensitive as the person’s passwords – and might be even more sensitive. It is only natural that health information is treated accordingly. Medical facilities are strictly regulated and take every possible security measure to restrict access to your medical records.

Since several versions of iOS, your health information is also stored in Apple smartphones, Apple cloud and various other devices. In theory, this information is accessible to you only. It’s supposedly stored securely and uses strong encryption. But is that really so? What if Apple uploads this data to the cloud? Is it still secure? If not, can we extract it? Let’s try to find out.

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Heartrate, sleeping habits, workouts, steps and walking routines are just a few things that come to mind when we speak of Apple Health. Introduced in September 2014 with iOS 8, the Apple Health app is pre-installed on all iPhones. The app makes use of low-energy sensors, constantly collecting information about the user’s physical activities. With optional extra hardware (e.g. Apple Watch), Apple Health can collect significantly more information. In this article we’ll talk about the types of evidence collected by Apple Health, how they are stored and how to extract the data. (more…)

In today’s usage scenarios, messaging are not entirely about the text. Users exchange pictures and short videos, voice recordings and their current locations. These types of data are an important part of conversation histories; they can be just as valuable evidence as the text content of the chat.

Apple ecosystem offers a built-in messenger, allowing users to exchange iMessages between Apple devices. This built-in messenger is extremely popular among Apple users. Back in 2016, Apple’s Senior VP announced that more than 200,000 iMessages are sent every second.

All current versions of iOS are offering seamless iCloud synchronization for many categories of data. Starting with iOS 11.4, Apple devices can synchronize messages via iCloud. iMessages and text messages can be now stored in the user’s iCloud account and synchronized across all of the user’s devices sharing the same Apple ID. This synchronization works in a similar manner to call logs, iCloud Photo Library or iCloud contacts sync (albeit with somewhat longer delays). However, Apple will not provide neither the messages themselves nor their attachments when fulfilling LE requests or GDPR pullouts. Why is this happening, how to extract messages from iCloud accounts and what kind of evidence we can find in attachments? Read along to find out.

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iMessage is undoubtedly one of the most popular instant messaging platforms for an obvious reason: it’s built in to iOS and ships with every iPhone by default. iMessage does not require complex setup, so the number of iMessage users is closely matching the number of iPhone users. Apple sells about 200 million iPhones every year, and the total number of iPhones sold is more than a billion. Unless you absolutely must chat with someone outside of Apple’s ecosystem (like those poor Android folks), you won’t need Skype, WhatsApp or Telegram. It’s also comforting to know that iMessage works everywhere around the world while most other messengers are oppressed in one or more countries.

But what about iMessage security? Is it safe to use if you’re concerned about your privacy? Is there a reason why countries such as China, Iran or Russia block other messengers but keep iMessage going? Is it safe from hackers? What about Law Enforcement? And what about Apple itself? It must have access to your messages to target the ads, right? Is it OK to send those private snapshots or share your location via iMessage?

There is no simple answer, but we’ll do our best to shed some light on that.

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With more than 127 million users in multiple countries, Apple Pay is one of the more popular contactless payment systems. Unlike some competing payment technologies, Apple Pay is not only tightly integrated into Apple’s ecosystem but is exclusive to Apple devices.

Apple Pay serves as a digital wallet, digitizing user’s payment cards and completely replacing traditional swipe-and-sign and chip-and-PIN transactions at compatible terminals. However, unlike traditional wallets, Apple Pay also keeps detailed information about the user’s point of sale transactions. Due to the sheer amount of highly sensitive information processed by the system, Apple Pay is among the most securely protected vaults in compatible devices. In this article we’ll show you where and how this information is stored in the file system, how to extract it from the iPhone and how to analyse the data. (more…)

GPU acceleration is the thing when you need to break a password. Whether you use brute force, a dictionary of common words or a highly customized dictionary comprised of the user’s existed passwords pulled from their Web browser, extracted from their smartphone or downloaded from the cloud, sheer performance is what you need to make the job done in reasonable time.

Making use of the GPU cores of today’s high-performance video cards is not something one can ignore. A single video card such as an NVIDIA GTX 1080 offers 50 to 400 times the performance of a high-end, multi-core Intel CPU on some specific tasks – which include calculations of cryptographic operations required to break encryption and brute-force passwords. The benefits are very real:

But what if you don’t have immediate access to a computer with a dedicated high-end video card? What if you are working in the field and using a laptop with its video output handled by Intel’s built-in graphic chip?

We have good news for you: you can use that built-in Intel chip to speed up password attacks. Granted, a power-sipping Intel chip won’t give you as much performance as a dedicated board dissipating 200W of heat, but that extra performance will literally cost you nothing. Besides, many ElcomSoft tools such as Elcomsoft Distributed Password Recovery will simply add that extra GPU chip to the list of available hardware resources, effectively squeezing the last bit of performance from your PC. (more…)

Training in Vienna

July 10th, 2018 by Oleg Afonin

Did you know we have forensic trainings? We’ve partnered with T3K Forensics to feature a 3-day training on iOS forensics. This fall in beautiful Vienna, 17.-19.10.2018, we’ll train a group of law enforcement and forensic specialists on every aspect of iOS acquisition and analysis. We’ll talk about the acquisition workflow and have participants perform logical, physical and cloud extraction of iOS devices. Expect live demonstrations and fully guided hands-on experience jailbreaking and extracting iOS devices, pulling data from locked iPhones and accessing the cloud for even more evidence.

In this training:

  • Mobile acquisition workflow
  • Seizing, storing and transporting wireless capable mobile devices
  • Acquisition methods that don’t work
  • Full-disk encryption, passcode and biometrics
  • Acquisition methods: logical, physical and cloud
  • Logical acquisition: extracting encrypted and unencrypted backups; shared files; photos and videos; crash logs
  • Logical acquisition of locked devices: locating, extracting and using lockdown records
  • Physical acquisition: jailbreaking, imaging the file system, extracting passwords and decrypting the keychain
  • Cloud acquisition: synced data; backups; messages; iCloud Keychain (Safari passwords)

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iPhone protection becomes tougher with each iteration. The passcode is extremely hard to break, and it’s just the first layer of defense. Even if the device is unlocked or if you know the passcode, it is not that easy and sometimes impossible to access all the data stored on the device. This includes, for example, conversations in Signal, one of the most secure messengers. Apple did a very good job as a privacy and security advocate.

This is why we brought our attention to cloud acquisition. We pioneered iCloud backup extraction several years ago, and we are working hard to acquire more data from the cloud: from the standard categories available at www.icloud.com (such as contacts, notes, calendars, photos and more) to hidden records as call logs, Apple Maps places and routes, third-party application data stored on iCloud drive (not accessible by any other means), iCloud keychain (the real gem!), and recently Messages (with iOS 11.4, they can be synced too).

Cloud acquisition is not as easy as it sounds. First, you need the user’s credentials – Apple ID and password at very least, and often the second authentication factor. Additionally, for some categories (such as the keychain and messages), you’ll also need the passcode of one of the ‘trusted’ devices. But even having all of those, you will still face the undocumented iCloud protocols, encryption (usually based on well-known standard algorithms, but sometimes with custom modifications), different data storage formats, code obfuscation and hundreds of other issues. We learned how to fool Two-Factor Authentication and extract and the authentication tokens from desktops. We are playing “cat and mouse” with Apple while they are trying to lock iCloud accounts when detecting that our software is being used to access the data. We have to monitor Apple’s changes and updates almost 24/7, installing every single beta version of iOS.

iCloud acquisition gives fantastic results. In most cases, you do not need the device itself (it may be lost or forgotten, or thousands miles away). You can obtain deleted data that is not stored on any physical device anymore. You can obtain tons of valuable evidence from all the devices connected to the account.

But as always, there are some “buts”. Sorry for the long intro, and let’s proceed to what we have done about iPhone physical acquisition.

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