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MIT License | ||
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Copyright (c) 2021 Air14 | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. |
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# airhv | ||
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airhv is a simple hypervisor based on Intel VT-x mainly focused on ept hooking | ||
## Features | ||
* Ept support with mapping of 2MB pages (splitted dynamicly to 4KB pages if needed) | ||
* Ability to run in VMWare which is using few IO ports for communication between vmtools and VMWare hypervisor | ||
* Ability to handle various VM-exit cases: `CPUID` `RDTSC` `RDTSCP` `RDRAND` `RDSEED` `WBINVD/INVD` `IN/OUT` `XSETBV` `RDMSR` `WRMSR` `INVPCID` `MOV DR` `CR ACCESS` `EXCEPTIONS/NMI` `VMCALL` `INVLPG` `GDTR/IDTR ACCESS` `LDTR/TR ACCESS` | ||
* Ability to perform inline hooking via ept | ||
* Included simple driver (airhvctrl) which is communicating with hypervisor via `VMCALL` to hook syscall (via ept). | ||
It hooks NtCreateFile and every time user when tries to create a file named test.txt it prevents user from doing that. | ||
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## Future possible features | ||
* Ability to run under AMD-SVM | ||
* Ability to handle more VM-exit cases | ||
* Ability to make hypervisor not detectable via counters (rdtsc,rdtscp) | ||
* Ability to run nested VMs | ||
* MSR_LSTAR hooking | ||
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## Compilation | ||
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Compile with Visual Studio 2019 (Requires [WDK](https://docs.microsoft.com/en-us/windows-hardware/drivers/download-the-wdk)) | ||
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## Supported hardware | ||
Intel processors with VT-x and EPT support | ||
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## Supported platforms | ||
Windows 7 - Windows 10, x64 only | ||
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## License | ||
airhv is under MIT license. | ||
Dependencies are licensed by their own licenses. |
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Microsoft Visual Studio Solution File, Format Version 12.00 | ||
# Visual Studio Version 16 | ||
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