archives

Methodology

This category contains 91 posts

Attributing a third party to a recovered (deleted) IOS SMS message

In a recent forensic case involving recovered deleted sms messages from an sms.db file on an IOS mobile device none of the mainstream mobile phone forensic software made the link between sender and recipient for the recovered records of interest. I have been asked a few times recently about obtaining the third party of a … Continue reading

The “I’ve Been Hacked” Defence

By: Yuri Gubanov, Oleg Afonin (C) Belkasoft Research, 2016 Abstract This article was inspired by an active discussion in one of the forensic listservs. Original post was asking on how to fight with an argument “This is not me, this is a malware”. The suspect was allegedly downloading and viewing illicit child photos and was … Continue reading

SSD and eMMC Forensics 2016

What Has Changed in 2016 in the Way SSD Drives Self-Destruct Evidence. Demystifying eMMC, M.2, NVMe, and PCI-E. by Yuri Gubanov, Oleg Afonin © Belkasoft Research 2016 This publication continues the series started with an article on SSD forensics we published in 2012. We investigated the issues of SSD self-corrosion, demystified trimming, garbage collection and … Continue reading

BitLocker: What’s New in Windows 10 November Update, And How To Break It

BitLocker is a popular full-disk encryption scheme employed in all versions of Windows (but not in every edition) since Windows Vista. BitLocker is used to protect stationary and removable volumes against outside attacks. Since Windows 8, BitLocker is activated by default on compatible devices if the administrative account logs in with Microsoft Account credentials. BitLocker … Continue reading

Investigating and Prosecuting Cyber Crime: Forensic Dependencies and Barriers to Justice

The primary goal of this research is to raise awareness regarding legal loopholes and enabling technologies, which facilitate acts of cyber crime. In pursuing these avenues of inquiry, the author seeks to identify systemic impediments which obstruct police investigations, prosecutions, and digital forensics interrogations. The secondary objective of this research encourages policy makers to reevaluate strategies for combating the ubiquitous and evolving threat posed by cybercriminality. Research in this paper has been guided by the firsthand global accounts via the author’s core involvement in the preparation of the Comprehensive Study on Cybercrime (UNODC, 2013) and is keenly focused on core issues of concern, as voiced by the international community. Continue reading

NAS Forensics Explained

by Oleg Afonin, Danil Nikolaev & Yuri Gubanov © Belkasoft Research 2015 Network Attached Storage (NAS) have a long track history of corporate deployments. Their scaled-down versions (ranging from single-bay to four-drive enclosures) are frequently used at homes and in offices. These smaller-size appliances are often called “personal clouds” for providing some parts of functionality … Continue reading

Acquiring Windows PCs

by Oleg Afonin, Danil Nikolaev and Yuri Gubanov In our previous article, we talked about acquiring tablets running Windows 8 and 8.1. In this publication, we will talk about the acquisition of Windows computers – desktops and laptops. This class of devices has their own share of surprises when it comes to acquisition. The obvious … Continue reading

SQLite Database Forensics – ‘Sleep Cycle’ Case Study

Recently one of our users, Dan Saunders, was kind enough to write up his experience using the Forensic Browser for SQLite on a database that was not supported by any other forensics tools – this is his story: SQLite databases are becoming more and more of a focus point for the present day Digital Forensics … Continue reading

Investigation and Intelligence Framework (IIF) – an evidence extraction model for investigation

Authors Alan, Kelvin, Anthony and Zetta (VXRL) Disclaimer This framework was first introduced in DFRWS EU 2014 (the first DFRWS conference in Europe) at Amsterdam held in May and later presented at Hacks in Taiwan 2014 (HITCON) which is a high-tech security conference in Taiwan held in August. Abstract Digital forensics investigators are facing new challenges every … Continue reading

Can You Get That License Plate?

We find ourselves analyzing new surveillance videos almost every day, and in most cases we can either solve the problem very quickly or understand (even quicker) that there is no information to recover in the video. In special cases though, where something very specific and strange happened, or the problem is very complex, it can take … Continue reading

How To Decrypt WeChat EnMicroMsg.db Database?

WeChat is a smartphone application where users can chat with their friends, share pictures, videos and audio chats. Users can also make free video calls and voice calls with their friends as long as they have Internet connection. Recently, we received a request from the law enforcement agency to extract WeChat chat messages from an Android mobile … Continue reading

Why Offender Profiling is Changing Thanks to Mobile Forensics and Increasingly ‘Social’ Criminal Activity

by Yuval Ben-Moshe, senior director of forensic technologies at Cellebrite Mobile forensics has changed the methodology when it comes to offender profiling.  The frequent use of mobile devices has provided investigators with another source for profiling criminal suspects, as well as an insight into their habits and personalities. This is not just because of the … Continue reading

WeChat Forensics

Rapid growth of the usage of OS X has inspired forensic researchers to analyze devices such as the iPad, iPhone and Mac deeply.  Therefore, OS X forensics, starting from Jonathan Zdziarski in 2008, became a very hot topic.  However, most of the research and trainings are focused on file system analysis.  Although there are some … Continue reading

DFRWS Europe 2014 Annual Conference – Recap

This article is a recap of some of the main highlights of the Digital Forensics Research Workshop (DFRWS) held in Amsterdam from the 7th – 9th of May; over the next few weeks we will also be bringing you a number of interviews and research updates from the conference. Conference Highlights DFRWS brought together academics … Continue reading

Forensics Europe Expo 2014 – Recap

Forensic Focus attended the Forensics Europe Expo at Kensington Olympia on the 29th & 30th of April. This article is a recap of some of the main highlights and over the next few weeks we will also be bringing you a number of interviews recorded at the expo. The Digital Forensics part of the Expo … Continue reading