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Forensics 101

This category contains 71 posts

Word Forensic Analysis And Compound File Binary Format

by Arman Gungor Microsoft Word forensic analysis is something digital forensic investigators do quite often for document authentication. Because of the great popularity of Microsoft Office, many important business documents such as contracts and memoranda are created using Word. When things go south, some of these documents become key evidence and subject to forensic authentication. My goal … Continue reading

Drone Forensics Gets A Boost With New Data On NIST Website

by Richard Press, NIST Aerial drones might someday deliver online purchases to your home. But in some prisons, drone delivery is already a thing. Drones have been spotted flying drugs, cell phones and other contraband over prison walls, and in several cases, drug traffickers have used drones to ferry narcotics across the border. If those … Continue reading

Using IMAP Internal Date for Forensic Email Authentication

by Arman Gungor Internal Date is an IMAP Message Attribute that indicates the internal date and time of a message on an IMAP server. This is a different timestamp than the Origination Date field found in the message header and can be instrumental in authenticating email messages on an IMAP server. Let’s start with an example. The perpetrator … Continue reading

Apple iPhone Forensics: Significant Locations

by Patrick Siewert, Principal Consultant, Pro Digital Forensic Consulting I recently attended a conference of civil litigators in Virginia. During the cocktail hour and after a very interactive CLE presentation on “Leveraging Data in Insurance Fraud Investigations”, I was talking with a few attendees about the different types of data available to them in their … Continue reading

Digital Forensics Resources

by Scar de Courcier One of the most frequent questions I’m asked by digital forensics students is about resources: where can they go to continue learning, where can they find out more about the industry, what are the best blogs and social accounts out there for DFIR people? The below is by no means an … Continue reading

Searching And Filtering Emails When Forensically Collecting Mailboxes

by Arman Gungor When mailboxes are forensically preserved for eDiscovery or digital forensic investigations, their contents are almost always searched and filtered. Filtering emails helps overcome time, scope and cost constraints and alleviates privacy concerns. There are two main ways of filtering emails—before and after the forensic acquisition. Each method has its pros and cons, … Continue reading

Finding Metasploit’s Meterpreter Traces With Memory Forensics

by Oleg Skulkin & Igor Mikhaylov Metasploit Framework is not only very popular among pentesters, but is also quite often used by real adversaries. So why is memory forensics important here? Because Meterpreter, for example – an advanced, dynamically extensible Metasploit payload – resides entirely in the memory and writes nothing to the victim’s drive. In … Continue reading

Jailbreaking iOS 11 And All Versions Of iOS 10

by Oleg Afonin, Mobile Product Specialist at ElcomSoft Jailbreaking iOS is becoming increasingly difficult, especially considering the amounts of money Apple and independent bug hunters are paying for discovered vulnerabilities that could lead to a working exploit. Late last year, a bug hunter at Google’s Project Zero discovered one such vulnerability and developed and published an … Continue reading

Oxygen Drone Forensics – How To Deal With A New Threat

It was not too long ago when drones were discussed we would often think of military use or large commercial type applications. However, today drones are now in the hands of hobbyists who frequently use the devices for taking aerial pictures and shooting unique video footage. Not to mention law enforcement use them to monitor … Continue reading

Evidence Acquisition Using Accessdata FTK Imager

by Chirath De Alwis Forensic Toolkit or FTK is a computer forensics software product made by AccessData. This is a Windows based commercial product. For forensic investigations, the same development team has created a free version of the commercial product with fewer functionalities. This FTK Imager tool is capable of both acquiring and analyzing computer forensic … Continue reading

Bruteforcing Linux Full Disk Encryption (LUKS) With Hashcat

by Patrick Bell This walk-through will show you how to Bruteforce LUK volumes using hashcat, how you can mount a LUK partition, and how we can image it once it’s decrypted. Scenario: You’ve got a Macbook in. MacOS has been removed and Debian 9.0 has been installed. The suspect is using LUKS (Linux Unified Key … Continue reading

Techno Mode – The Fastest Way To Access Digital Evidence On Damaged SSDs

by Roman Morozov, NAND Data Recovery Tutor, ACE Lab Recent statistics show that solid-state drives are getting a good share of the market of storage devices. And the popularity of SSDs is only expected to grow. There is already a large number of little-known manufacturers, who cut corners on parts of their drives. As a result, … Continue reading

Memory Dump Formats

by Chirath De Alwis As in other storage devices, volatile memory also has several formats. According to the acquisition method that is in use, the captured file format can be vary. According to (Ligh et al, 2018) the most commonly used memory dump formats are: RAW memory dump. Windows crash dump. Windows hibernation files. Expert witness … Continue reading

Detection Of Backdating The System Clock In MacOS

by Oleg Skulkin & Igor Mikhaylov Recently we received a good question from one of our DFIR mates: “How can one detect backdating of the system clock forensicating macOS?”. This is a really good question, at least for us, so we decided to research it. If we are talking about Windows system clock backdating there … Continue reading

Imaging Locked Motorola Devices Via Bootloader Exploit

Last-generation Android devices are gradually getting more secure, even approaching iOS-grade security in some usage scenarios. Equipped with fingerprint readers and compulsory encryption of the data partition, Android smartphones became a much tougher acquisition target compared to just a couple of years ago. In this world of increasing security, security firms go out of their … Continue reading

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