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93 lines
2.0 KiB
93 lines
2.0 KiB
#include <windows.h>
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#include <iostream>
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#include <fstream>
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#include "kernel_ctx/kernel_ctx.h"
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#include "drv_image/drv_image.h"
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namespace physmeme
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{
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/*
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Author: xerox
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Date: 4/19/2020
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*/
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bool __cdecl map_driver(std::vector<std::uint8_t>& raw_driver)
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{
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physmeme::drv_image image(raw_driver);
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physmeme::kernel_ctx ctx;
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//
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// we dont need the driver loaded anymore
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//
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physmeme::unload_drv();
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//
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// allocate memory in the kernel for the driver
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//
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const auto pool_base = ctx.allocate_pool(image.size(), NonPagedPool);
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printf("[+] allocated 0x%llx at 0x%p\n", image.size(), pool_base);
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if (!pool_base)
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{
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printf("[!] allocation failed!\n");
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return -1;
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}
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//
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// lambdas used for fixing driver image
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//
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const auto _get_module = [&](std::string_view name)
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{
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return util::get_module_base(name.data());
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};
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const auto _get_export_name = [&](const char* base, const char* name)
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{
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return reinterpret_cast<std::uintptr_t>(util::get_module_export(base, name));
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};
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//
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// fix the driver image
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//
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image.fix_imports(_get_module, _get_export_name);
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printf("[+] fixed imports\n");
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image.map();
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printf("[+] sections mapped in memory\n");
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image.relocate(pool_base);
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printf("[+] relocations fixed\n");
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//
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// copy driver into the kernel
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//
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ctx.write_kernel(pool_base, image.data(), image.size());
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//
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// driver entry
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//
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auto entry_point = reinterpret_cast<std::uintptr_t>(pool_base) + image.entry_point();
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//
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// call driver entry
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//
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auto result = ctx.syscall<DRIVER_INITIALIZE>(
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reinterpret_cast<void*>(entry_point),
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reinterpret_cast<std::uintptr_t>(pool_base),
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image.size()
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);
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printf("[+] driver entry returned: 0x%p\n", result);
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//
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// zero driver headers
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//
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ctx.zero_kernel_memory(pool_base, image.header_size());
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return !result; // 0x0 means STATUS_SUCCESS
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}
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bool __cdecl map_driver(std::uint8_t * image, std::size_t size)
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{
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auto data = std::vector<std::uint8_t>(image, image + size);
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return map_driver(data);
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}
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} |