![]() This lets you see a clear difference between different timestamps. Highlight timestamps that are the same, if timestamps are off by a few seconds, they should be counted as the same. This isn’t necessary, but it helps me understand the times a bit better. I subtracted four hours, since the USB was set up in Eastern Standard Time. Note, AccessData FTK Imager assumes that the file times on the drive are in UTC (Universal Coordinated Time). Here are the extracted MAC times for fileA, fileB, fileC and fileD: ![]() We’ll start by analyzing images in AccessData FTK Imager, where there’s a Properties window that shows you some information about the file or folder you’ve selected. Afterward, fileB was created by modifying fileB, and fileC was created by modifying fileA in a different way. So how can we find out what went on with these files?īy using time stamp information from the file system, we can learn that the BMP fileD was the original file, with fileA being a copy of the original. We know that the BMP files fileA and fileD are the same, but that the JPEG files fileB and fileC are different somehow. There are plenty more patterns than the ones introduced below, but these are the basics you should start with to get a good understanding of how it works, and to complete this challenge. If the MAC timestamps can be attained, a timeline of events could be created. Creation – when files or entries were created Types of timestamps ¶Ĭertain events such as creating, moving, copying, opening, editing, etc. Access – when a file or entries were read or accessed Modification – when a file was modified Timestamps are data that indicate the time of certain events (MAC): Let's take a look at File A's metadata with exiftool: ![]() Run command line: exiftool(-k).exe and you should see something like this: One of our favorite tools is exiftool, which displays metadata for an input file, including: EXIF Data is metadata attached to photos which can include location, time, and device information. ![]()
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