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However, you are free to work on a Windows machine. Note: You will notice that we are using RegRipper on a Linux box. You can use –l to list all of the available plugins. Notice that –r is used to load a registry hive file, while –p is used to load a specific plugin module. We will start with using the command-line interface of RegRipper for our analysis.Įxecution of the main Perl script of RegRipper (‘ rip.pl’) shows you the different options that it has.

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(Notice that here we are mounting the ‘dd’ image at ‘/mnt/forensics’)įigure 2 How to use RegRipper’s command-line interface Mount -t ntfs -o ro,offset=32256 /mnt/xmount/4Dell Latitude CPi.dd /mnt/forensics/ Now, we can mount the NTFS volume using ‘mount’ in Linux: Multiply this value by 512 bytes and we get: 32256 Notice the start sector is located at ’63’. Use the ‘ fdisk‘ partition table tool in Linux for this purpose: But first you will need the value corresponding to the ‘ start sector‘ of the NTFS volume inside the dd image. Once you have converted the EnCase image into a ‘dd’ image using ‘xmount’, it can be easily mounted using ‘ mount‘ in Linux. Preserving the integrity of the evidence image is of paramount importance during the investigation.

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Make sure the acquisition hash matches the verification hash. Now calculate an MD5 hash of the mounted ‘dd’ image, by using ‘ md5sum‘: Xmount –in ewf /media/MULTIBOOT/4Dell Latitude CPi.E? /mnt/xmount/ The following commands will create a directory and mount the case image there:

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Make sure you have xmount on your system, if not, install it using:

Xmount can help convert ‘on-the-fly’ between many disk image types. We will use the tool ‘ xmount‘ for this purpose. įigure 1 How to convert an E0* (EnCase image) to a ‘dd’ image on-the-fly on a Linux boxīefore we start our analysis using RegRipper, it is useful to learn how to convert an EnCase image file into a ‘dd’ image which can then be easily mounted on our Linux machine. Notice that the acquisition MD5 hash is: aee4fcd9301c03b3b054623ca261959a.

Note: Please substitute profile name (or username) above with what is relevant in your case.Īfter downloading the EnCase image, use ‘ ewfinfo‘ to see the stored metadata.

On a Window XP system, you can find them at: However, we are mentioning the location of registry hive files both, on Windows XP box, and a Windows 7 box. In this case, we have analyzed registry hives from a Windows XP box. Where are these Windows registry hive files located?īefore we start our analysis, it is important that you are familiar with the locations of the Windows registry hive files. RegRipper works by pulling information from the supporting files of the Windows registry hive. Hives hold information about: user profiles, applications, configurations, desktop, network connections, printers, etc. Hives are groups of keys, subkeys and relevant values that govern the Windows Operating System environment. We are using RegRipper because of the simplicity of the tool and the availability of numerous plugins that capture specific information from the registry. It contains pre-written Perl scripts for the purpose of fetching frequently needed information during an investigation involving a Windows box. RegRipper is a flexible open source tool that can facilitate registry analysis with ease.

Using RegRipper in command-line mode and grasping the available options.

Comprehending the different ‘plugins’ available for RegRipper and the purpose that they serve.

Using RegRipper to analyze Windows registry hives for the purpose of extracting evidence.

Converting and Mounting an E0? (EnCase image) on-the-fly over a Linux box.

Tasks performed: During the course of this investigation, you will be required to perform the following tasks:

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Tools used: You can download RegRipper for Linux here, and RegRipper for Windows here. These may be extracted from the EnCase image (Downloads) or you may use your own.Įvidence Disk: You can grab the EnCase image of the Greg Schardt hacking case here: part1 and part2.

Purpose: Locate inculpatory or exculpatory evidence in the disk so that it may be presented in the court of law.Īssumptions: We assume you have access to Windows registry ‘hives’ for analysis.