KextRW

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macOS kext with kernel R/W, kalloc and kcall

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최종 버전 다운로드 (.zip)

- settings.json
- libkextrw.c
- libkextrw.h
- Makefile
- Info.plist
- KextRW.cpp
- KextRW.h
- KextRWUserClient.cpp
- KextRWUserClient.h
- kmod.cpp
- kpi.h
- routines.h
- routines.S
- entitlements.plist
- kextrw_test.c
- Makefile
.gitignore
LICENSE.md
Makefile
README.md

// repository documentation

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# KextRW

A macOS kernel extension offering several features useful for security/vulnerability research against XNU.

The features provided by this kernel extension include:
* Virtual kernel read/write
* Physical read/write
* Getting the kernel base and slide
* Kernel memory allocation and freeing
* Kernel call primitive
* Address translation

The codebase is originally based on [IOKernelRW](https://github.com/Siguza/IOKernelRW), where you can find installation instructions, as they will be the same for this project. Any binary that wishes to create a userclient for this kernel extension must possess the `com.apple.security.alfie.kext-rw` entitlement. An easy-to-use test program can be found in the `tests/` folder, but the offsets and addresses are specific to my machine.

You can find the path to your kernelcache by running `kmutil inspect` - it will be printed at the top. This will be necessary if you would like to update the offsets and addresses in `kextrw_test.c`. I have not tested this on anything other than macOS 15.2.

Building the project using `make all` will output a static `libkextrw` library and a header file in the `build/` directory, which you can then use to build projects on top of the primitives provided by the kernel extension. The `kextrw_test.c` file in the `tests/` directory offers an example of this use case.

KextRW

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