Here's sector 1, starting with the F0 FF FF: What's going on? I opened the original image.dd The results say it should be in cluster A. This article tells me to expect the second copy of the FATīut this is what ProDiscover shows in sector A-the It begins with the three bytes F0 FF FF, as explained Here's the second sector-the start of the FAT. I viewed the image.dd file in Cluster view, which shows Here's the version of ProDiscover I used: I started ProDiscover Basic and loaded the image.dd file. Here's the MD5 hash of the unzipped image.dd raw file: I downloaded it, verified the MD5, and unzipped it.
Prodiscover basic software download windows 7#
I am using Windows 7 in a Fusion virtual machine, I am using a floppy disk image from honeynet: Downloadable Test Images Vendor Notification Cluster Contents Incorrect.They are both corrected and will release with the next product update.
Thank you for taking the time to report these issues. This process ensures that you wipe any unallocated/slack space ad is visually verifiable. I would always recommend wiping a disk at the physical level with a known pattern. This process is only provided for DoD spec requirements and is not recommended for use in Forensics. BTW, the logical secure wipe is an old concept (as old as floppy disks) of writing random data to a logical file system. We have corrected this and will round the file size to the cluster boundary, which will fix the problem. The algorithm we were using is only erasing 512 bytes. Suppose, a file of 512 bytes is saved, then it occupies more than one sector on the disk. This "canned algorithm" is creating problem. The issue with the logical floppy secure wipe was that we are using a third party algorithm to erase logical disks, to be DoD compliant for logical secure wipes. We have fixed this issue by handling reading logic for the first two clusters. We were not handling them properly in that we were only reading first 512 bytes (one sector) of these group of sectors and displaying information. In FAT12, cluster numbers start with 2, the 0th cluster being the boot information and the first cluster is directory structure. The first issue is problem with reading first two clusters in FAT12 partitions. We have reviewed and tested the issues you reported. I don't completely understand the explanation-it doesn't I notified Chris Brown privately, and he responded with ProDiscover Problems ProDiscover Problems Video Summarizing the Problem
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