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User Mode Hook Scanner (Alpha)

I finally decided to write my first security tool based on an idea I had for advanced hook detection, I couldn’t find any evidence of the method being used so I based a tool around it. It’s still a working progress but I’m posting so I can get some feedback …

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Bootkit Disk Forensics – Part 3

Getting Original Pointers XP is a little more complicated than newer systems due to the use of a single driver for both port and miniport; however, getting the original pointers is fairly straight forward depending on how you do it. IRP_MJ_SCSI & DriverStartIo – Method 1 (Windows XP) A common …

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Bootkit Disk Forensics – Part 2

DriverStartIo As I explained in the previous article: DriverStartIo is used by older miniports to actually perform the disk I/O, it takes 2 parameters (a device object and an IRP), exactly the same as IoCallDriver does. The call to DriverStartIo is done with IoStartPacket; however, the device object passed is …

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Bootkit Disk Forensics – Part 1

Recently I got the idea to play around with bypassing bootkit disk filters from an email i received, which highlighted that my MBR spoofing code was able to get underneath the driver of a popular forensics tool, preventing it from reading the real disk sectors. Although I believe disk forensics …