May 2023
Intermediate to advanced
238 pages
5h 30m
English
Content preview from Fuzzing Against the Machine
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4
QEMU Execution Modes and Fuzzing
In this chapter, we will cover QEMU modes, namely the user mode and full-system emulation. Once we understand the difference, we will dig into fuzzing code with these two different modes. In the first case, we will be able to fuzz a program through the interface it exposes to the user, that is, stdin. In the second case, we will have to choose our battle and select a component of the operating system, for example, a piece of the network stack, a specific device driver interface, or in the case of an embedded operating system, a particular task such as the memory allocator or the CPU scheduler.
This chapter will cover the following main topics:
- QEMU user mode
- QEMU system mode
- Static versus dynamic fuzzing
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