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README.md
um-hook - Usermode Virtual Instruction Hook Demo
um-hook is a demo project/repo which contains an example of how to hook a virtual instruction and alter its results. The binaries in this repo are not packed for simplicity sake, however in later demo's I will be applying packing to the executable.
Contents
- dependencies/ - this project is dependent on
vmhook
. - refbuilds/ - binaries protected with
ultra virtualization
and no packing. These bins are for you to mess with! - src/ - source code for the usermode tracer.
- vmptest/ - source code for the the test bins
- um-hook/ - source code for usermode hook, includes a hook on
LCONSTBZX
.
Usage
First download the repo with git clone --recursive https://githacks.org/vmp2/um-hook.git
, then compile the um-hook
by opening um-hook.sln
inside of src/
. There should be an executable called um-hook.exe
in x64/Release
. This hook demo program is compiled for the first vmptest
binary in the refbuilds
directly.
To create a trace file simply run the following:
um-hook.exe --bin vmptest.vmp.exe --table 0x6473 --base 0x140000000