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Cheat Engine Lazarus is designed for 32 and 64-bit versions of Windows 7. Cheat Engine is, with the exception of the kernel module, written in Object Pascal. Cheat Engine exposes an interface to its device driver with dbk32.dll, a wrapper that handles both loading and initializing the Cheat Engine driver and calling alternative Windows kernel ...
The Kernel-Mode Driver Framework (KMDF) is a driver framework developed by Microsoft as a tool to aid driver developers create and maintain kernel mode device drivers for Windows 2000 [a] and later releases. It is one of the frameworks included in the Windows Driver Frameworks. [1]
The default OperandSize and AddressSize to use for each instruction is given by the D bit of the segment descriptor of the current code segment - D=0 makes both 16-bit, D=1 makes both 32-bit. Additionally, they can be overridden on a per-instruction basis with two new instruction prefixes that were introduced in the 80386:
("dead dead") is the bug check (STOP) code displayed when invoking a Blue Screen of Death either by telling the kernel via the attached debugger, or by using a special keystroke combination. [24] This is usually seen by driver developers, as it is used to get a memory dump on Windows NT based systems.
User-Mode Driver Framework v2, for writing user-mode drivers with syntactic parity to KMDF; WDF also includes a set of static verification tools for use by driver writers. These tools examine driver code for common errors and/or simulate the code of a driver in order to identify problems that are both difficult to detect and difficult to test for.
A monolithic kernel is one single program that contains all of the code necessary to perform every kernel-related task. Every part which is to be accessed by most programs which cannot be put in a library is in the kernel space: Device drivers, scheduler, memory handling, file systems, and network stacks.
Under DOS, the kernel, drivers and applications typically run on ring 3 (however, this is exclusive to the case where protected-mode drivers or DOS extenders are used; as a real-mode OS, the system runs with effectively no protection), whereas 386 memory managers such as EMM386 run at ring 0.
Using kernel stacks not allocated by the kernel; Modifying or patching code contained within the kernel itself, [8] or the HAL or NDIS kernel libraries [9] Kernel Patch Protection only defends against device drivers modifying the kernel. It does not offer any protection against one device driver patching another. [10]