SANS Digital Forensics and Incident Response Blog: Tag - MFT

Timestamped Registry & NTFS Artifacts from Unallocated Space

Frequently, while following up a Windows investigation, I will add certain filenames or other string values to my case wordlist and subsequently find these strings embedded in binary data of one type or another in unallocated space. Close examination of the surrounding data structures has shown that these are often old MFT entries, INDX structures, or registry keys or values. The thing that makes these things very interesting from a forensic perspective is that all of them but registry values incorporate Windows timestamps. (All timestamps referenced in this article are 64bit Windows filetime values.) Even registry values often follow closely after their parent keys in the registry, which do have associated timestamps. Once I'd noticed these key facts, it occurred to me that it would be useful to use the timestamp values to work backward to other associated data, and hence the genesis of this

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NTFS: An Introduction

Earlier this year, a life time ago in internet years, I published a series of posts on the FAT file system. Over the next few months, I'll be publishing a similar series on NTFS. Much of the information contained in these posts will come from Brian Carrier's excellent book, File System Forensic Analysis, articles from Microsoft and other sources. Where applicable, specific sources will be cited within each blog post.

On day one of SANS Sec 508: Computer Forensics, Investigation and Response we cover the most common file systems in detail. Almost without fail, someone asks if the material is really important

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