IIS Application pools are used to separate sets of IIS worker processes that share the same configuration and application boundaries. Application pools used to isolate our web application for better security, reliability, and availability and performance and keep running with out impacting each other . The worker process serves as the process boundary that separates […]
by Chetan Gupta, NII Consulting Many a times as an investigator, I have to deal with the issue of carving data from unallocated spaces in a partition. There are many commercial data carving tools such as Encase, Winhex, Accessdata FTK, DataLifter, ILookInvestigator. Well, I have tried most of these and must say most of them […]
by Chetan Gupta, NII Consulting Well, last week was abuzz with activity when we had to recover data from a corrupt Linux hard disk. Thought it would be pretty easy but as soon as I loaded the hard disk, I knew something was amiss.
By Kush Wadhwa, NII Consulting Have you ever thought of hiding data in such a manner that it cannot be deleted even after the hard disk is formatted? Well, in this this article , we’ll look at just that; we will see how you can hide and unhide crucial data on your hard disk. The […]
by Bhushan Shah, NII Consulting Mrs Carol L. Stimmel has taken upon her to start a Computer Forensic Volunteer Project to provide low-cost services to those who cannot assert advantage from our skills. Here is a bit taken from the press release:- “As expert members of the international computer forensics community which provides unique and […]
by Bhushan Shah, NII Consulting The index.dat is a file which contains the list of the websites that one has visited. It comes from “indexing” which is used to speed up query responses. The autocomplete feature in Internet Explorer compares the addresses to the index.dat to find an appropriate match. The size and life of […]
By Chetan Gupta, NII Consulting In accordance with NII’s mantra of innovation and research, we have developed our own tool to conduct initial response on compromised Linux systems. This tool is appropriately titled LINReS which stand for “Linux INcident Response Script”. LINReS is a Live Response script designed to run on suspect/compromised Linux systems. LINReS […]
NII Consulting’s Chetan Gupta (GCFA) has published an article at ForensicFocus on the Alternate Data Streams in NTFS, and how these can be detected. This article discusses a “…particular feature of this file system which was designed to offer compatibility with Macintosh Hierarchical File System (HFS) and store additional data called metadata for a file. […]
By Bhushan Shah, NII Consulting Windows passwords are stored in the registry (encrypted) in the form of a hash. LMHash was the first hash function used by Microsoft to secure their passwords. Eventually when the security issues popped up (as LMHash is quite insecure) they had to come up with NLTM and the most recent […]
By Chetan Gupta, NII Consulting In my previous article on Userassist, I had mentioned how UserAssist records user access of specific objects on the system and how it would greatly aid forensic investigations. Although, I had shown how to decrypt the keys, the important thing that was missing was how to interpret the 16 bytes […]
