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#pragma once
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#include "utils.hpp"
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#include "syscall_handler.h"
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#include <intrin.h>
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#define IA32_LSTAR_MSR 0xC0000082
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#define MOV_CR4_GADGET "\x0F\x22\xE1\xC3"
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#define POP_RCX_GADGET "\x59\xc3"
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#define SYSRET_GADGET "\x48\x0F\x07"
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// this is win10 2004... TODO: see how far back this signature works...
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#define KI_SYSCALL_SIG "\x0F\x01\xF8\x65\x48\x89\x24\x25\x00\x00\x00\x00\x65\x48\x8B\x24\x25\x00\x00\x00\x00\x6A\x2B\x65\xFF\x34\x25\x00\x00\x00\x00\x41\x53\x6A\x00\x51\x49\x8B\xCA"
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#define KI_SYSCALL_MASK "xxxxxxxx????xxxxx????xxxxxx????xxx?xxxx"
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static_assert(sizeof KI_SYSCALL_SIG == sizeof KI_SYSCALL_MASK, "signature/mask invalid size...");
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using callback_t = std::function<void()>;
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using thread_info_t = std::pair<std::uint32_t, std::uint32_t>;
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using writemsr_t = std::function<void(std::uint32_t, std::uintptr_t)>;
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extern "C" void msrexec_handler();
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namespace vdm
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{
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class msrexec_ctx
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{
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public:
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explicit msrexec_ctx(writemsr_t wrmsr);
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void exec(callback_t kernel_callback);
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private:
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writemsr_t wrmsr;
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};
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}
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