February 2012
Intermediate to advanced
800 pages
23h 55m
English
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Lab 10-3 Solutions
Short Answers
The user-space program loads the driver and then pops up an advertisement every 30 seconds. The driver hides the process by unlinking the Process Environment Block (PEB) from the system’s linked list.
Once this program is running, there is no easy way to stop it without rebooting.
The kernel component responds to any
DeviceIoControlrequest by unlinking the process that made the request from the linked list of processes in order to hide the process from the user.
Detailed Analysis
We begin with some basic static analysis on the files. When we analyze the driver file, we see the following imports:
IofCompleteRequest
IoDeleteDevice
IoDeleteSymbolicLink
RtlInitUnicodeString
IoGetCurrentProcess IoCreateSymbolicLink IoCreateDevice ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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