As promised, I've posted the VAD tools. I'm hosting them on SourceForge right now. Anyone who's interested in memory forensics is encouraged to download the tools and play with them. Suggestions, bug reports, and code contributions would also be greatly appreciated. Links: Project home page Project page on SourceForge
Showing posts from May, 2007
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David Litchfield of NGS Software has put up several excellent articles on Oracle Database Forensics. Litchfield is generally considered to be the most knowledgeable person in the field of database security, so his thoughts on database forensics carry a lot of weight. So far four articles have been posted: Oracle Forensics Part 1: Dissecting the Redo Logs Oracle Forensics Part 2: Locating Dropped Objects Oracle Forensics Part 3: Isolating Evidence of Attacks Against the Authentication Mechanism Oracle Forensics Part 4: Live Response I haven't read through them in detail yet, but it looks like they have a ton of awesome information about the binary format of the redo logs and recovering information that has been deleted (dropped) from the database.
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I've just had my first paper accepted to a conference! The paper, titled The VAD Tree: A Process-Eye View of Physical Memory, describes how to use the Virtual Address Descriptor structure of the Windows kernel to do a variety of nifty things, including list DLLs loaded by the process and categorize a process's memory allocations into shared regions, mapped files, and private allocations. I'll be presenting it at the 7th annual Digital Forensics Research Workshop in Pittsburgh this August. Here's the abstract: This paper describes the use of the Virtual Address Descriptor (VAD) tree structure in Windows memory dumps to help guide forensic analysis of Windows memory. We describe how to locate and parse the structure, and show its value in breaking up physical memory into more manageable and semantically meaningful units than can be obtained by simply walking the page directory for the process. Several tools to display information about the VAD tree and dump the memory re