parent
83c05915ef
commit
07f7fdeab5
@ -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:
|
||||
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||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
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||||
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||||
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,
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||||
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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@ -1,3 +1,7 @@
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# nasa-injector
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inserts a PML4E where a prior PML4E is set to not present, pointing at the PDPT that contains the dll.
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- 0 bytes allocated in the kernel.
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- 0 bytes allocated in the process.
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- 0 VAD entries created inside of the game.
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<img src="https://githacks.org/nasa-tech/nasa-injector/raw/c5694cf86f627b55196e9badb1fbb1357e9c89b5/unknown.png"/>
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@ -0,0 +1,91 @@
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#pragma once
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#include <windows.h>
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#include <cstdint>
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#include <cstddef>
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extern "C" NTSTATUS __protect_virtual_memory(
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HANDLE p_handle,
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void** base_addr,
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std::size_t* bytes_to_protect,
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std::uint32_t new_protect,
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std::uint32_t* old_protect
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);
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extern "C" NTSTATUS __write_virtual_memory(
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HANDLE p_handle,
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void* base_addr,
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void* buffer,
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std::size_t size,
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std::size_t* bytes_written
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);
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extern "C" NTSTATUS __read_virtual_memory(
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HANDLE p_handle,
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void* base_addr,
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void* buffer,
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std::size_t size,
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std::size_t* bytes_written
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);
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extern "C" NTSTATUS __alloc_virtual_memory(
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HANDLE p_handle,
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void** base_addr,
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std::uint32_t zero_bits,
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std::size_t* size,
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std::uint32_t alloc_type,
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std::uint32_t protect
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);
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namespace direct
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{
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__forceinline bool protect_virtual_memory(
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HANDLE p_handle,
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void* base_addr,
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std::size_t size,
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std::uint32_t protect,
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std::uint32_t* old_protect
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)
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{
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return ERROR_SUCCESS == ::__protect_virtual_memory(p_handle, &base_addr, &size, protect, old_protect);
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}
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__forceinline bool write_virtual_memory(
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HANDLE p_handle,
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void* base_addr,
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void* buffer,
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std::size_t size
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)
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{
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std::size_t bytes_written;
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return ERROR_SUCCESS == __write_virtual_memory(p_handle, base_addr, buffer, size, &bytes_written);
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}
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__forceinline bool read_virtual_memory(
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HANDLE p_handle,
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void* addr,
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void* buffer,
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std::size_t size
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)
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{
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std::size_t bytes_written;
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return ERROR_SUCCESS == ::__read_virtual_memory(p_handle, addr, buffer, size, &bytes_written);
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}
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__forceinline void* alloc_virtual_memory(
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HANDLE p_handle,
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std::size_t size,
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std::uint32_t protect
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)
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{
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void* base_addr = NULL;
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::__alloc_virtual_memory(
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p_handle,
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&base_addr,
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NULL,
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&size,
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MEM_COMMIT | MEM_RESERVE,
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protect
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);
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return base_addr;
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}
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}
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Binary file not shown.
@ -0,0 +1,93 @@
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#include <iostream>
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#include "kernel_ctx/kernel_ctx.h"
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#include "mem_ctx/mem_ctx.hpp"
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#include "injector_ctx/injector_ctx.hpp"
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#include "util/util.hpp"
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int __cdecl main(int argc, char** argv)
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{
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if (argc < 2)
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{
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MessageBoxA(NULL, "ERROR", "please provide dll", NULL);
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return -1;
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}
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std::vector<std::uint8_t> raw_image;
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util::open_binary_file(argv[1], raw_image);
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nasa::load_drv();
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nasa::kernel_ctx kernel_ctx;
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nasa::mem_ctx syscall_fix(kernel_ctx, GetCurrentProcessId());
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kernel_ctx.fix_syscall(syscall_fix);
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//
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// shoot the tires off piddb cache entry.
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//
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{
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const auto drv_timestamp = util::get_file_header((void*)raw_driver)->TimeDateStamp;
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printf("[+] clearing piddb cache for driver: %s, with timestamp 0x%x\n", nasa::drv_key.c_str(), drv_timestamp);
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if (!kernel_ctx.clear_piddb_cache(nasa::drv_key, drv_timestamp))
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{
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// this is because the signature might be broken on these versions of windows.
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perror("[-] failed to clear PiDDBCacheTable.\n");
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return -1;
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}
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printf("[+] cleared piddb cache...\n");
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}
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nasa::unload_drv();
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//
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// load the dll but dont actually call dll main
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//
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auto temp_module_base = LoadLibraryEx(argv[1], NULL, DONT_RESOLVE_DLL_REFERENCES);
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std::cout << "[+] temp_module_base: " << temp_module_base << std::endl;
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if (!temp_module_base)
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return -1;
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//
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// get dll export RVA's
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//
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auto present_rva = (uint64_t)GetProcAddress(temp_module_base, "?event_handler@@YAKPEAXPEAW4event_type@@IPEAPEAPEAUIDXGISwapChain@@@Z") - (uint64_t)temp_module_base;
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std::cout << "[+] present_rva: " << present_rva << std::endl;
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if (!present_rva)
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return -1;
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auto pid = util::get_pid("RainbowSix.exe");
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auto base_addr = util::get_module_base(pid, "RainbowSix.exe");
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std::cout << "[+] pid: " << pid << " base address: " << base_addr << std::endl;
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if (!pid || !base_addr)
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return -1;
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//
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// create memory contexts for the game and this process
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//
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nasa::mem_ctx explorer(kernel_ctx, util::get_pid("explorer.exe"));
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nasa::mem_ctx r6(kernel_ctx, pid);
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//
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// inject into the game
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//
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nasa::injector_ctx inject(r6, explorer);
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const auto [inject_addr, inject_from_addr] = inject.inject(raw_image);
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std::cout << "[+] injected into address: " << inject_addr << std::endl;
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std::cout << "[+] (module base inside of injector) inject_from_addr: " << inject_from_addr << std::endl;
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std::cin.get();
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//
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// install hooks on the game
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//
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auto result = inject.hook(
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(void*)(((uint64_t)inject_addr) + present_rva)
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);
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std::cout << "[+] hook result: " << result << std::endl;
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std::cin.get();
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explorer.~mem_ctx();
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r6.~mem_ctx();
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syscall_fix.~mem_ctx();
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}
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@ -0,0 +1,187 @@
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<?xml version="1.0" encoding="utf-8"?>
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||||
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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||||
<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>16.0</VCProjectVersion>
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<ProjectGuid>{CAF2DBF5-95EA-49ED-95C8-43F7550E6B70}</ProjectGuid>
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<Keyword>Win32Proj</Keyword>
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<RootNamespace>injector</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
|
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<CharacterSet>MultiByte</CharacterSet>
|
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<SpectreMitigation>false</SpectreMitigation>
|
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</PropertyGroup>
|
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
|
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<ConfigurationType>Application</ConfigurationType>
|
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<UseDebugLibraries>false</UseDebugLibraries>
|
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<PlatformToolset>v142</PlatformToolset>
|
||||
<WholeProgramOptimization>true</WholeProgramOptimization>
|
||||
<CharacterSet>MultiByte</CharacterSet>
|
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<SpectreMitigation>false</SpectreMitigation>
|
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
|
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
|
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<CharacterSet>MultiByte</CharacterSet>
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<SpectreMitigation>false</SpectreMitigation>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v142</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>MultiByte</CharacterSet>
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<SpectreMitigation>false</SpectreMitigation>
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</PropertyGroup>
|
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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<LinkIncremental>false</LinkIncremental>
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<LinkIncremental>false</LinkIncremental>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp17</LanguageStandard>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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<Link>
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<SubSystem>Console</SubSystem>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>false</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<ConformanceMode>true</ConformanceMode>
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<Optimization>Disabled</Optimization>
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<BufferSecurityCheck>false</BufferSecurityCheck>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
|
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
|
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>false</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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|
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|
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|
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<GenerateDebugInformation>true</GenerateDebugInformation>
|
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|
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</Link>
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<ClCompile Include="injector.cpp" />
|
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<ClCompile Include="injector_ctx\injector_ctx.cpp" />
|
||||
<ClCompile Include="kernel_ctx\kernel_ctx.cpp" />
|
||||
<ClCompile Include="mem_ctx\mem_ctx.cpp" />
|
||||
<ClCompile Include="pe_image\pe_image.cpp" />
|
||||
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|
||||
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|
||||
<ClInclude Include="direct.h" />
|
||||
<ClInclude Include="injector_ctx\injector_ctx.hpp" />
|
||||
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|
||||
<ClInclude Include="loadup.hpp" />
|
||||
<ClInclude Include="mem_ctx\mem_ctx.hpp" />
|
||||
<ClInclude Include="pe_image\pe_image.h" />
|
||||
<ClInclude Include="physmeme\physmeme.hpp" />
|
||||
<ClInclude Include="raw_driver.hpp" />
|
||||
<ClInclude Include="util\hook.hpp" />
|
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|
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|
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|
@ -0,0 +1,92 @@
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||||
<UniqueIdentifier>{76959bd1-9765-439c-8c3e-92a8147e8345}</UniqueIdentifier>
|
||||
</Filter>
|
||||
<Filter Include="Header Files\injector_ctx">
|
||||
<UniqueIdentifier>{18c7fd24-0e1f-4dd5-96c8-c1173a7f1981}</UniqueIdentifier>
|
||||
</Filter>
|
||||
<Filter Include="Source Files\injector_ctx">
|
||||
<UniqueIdentifier>{ec029218-ad17-41b5-995a-7422a1c9a7d5}</UniqueIdentifier>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="injector.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="kernel_ctx\kernel_ctx.cpp">
|
||||
<Filter>Source Files\kernel_ctx</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="pe_image\pe_image.cpp">
|
||||
<Filter>Source Files\pe_image</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="mem_ctx\mem_ctx.cpp">
|
||||
<Filter>Source Files\mem_ctx</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="injector_ctx\injector_ctx.cpp">
|
||||
<Filter>Source Files\injector_ctx</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="physmeme\physmeme.hpp">
|
||||
<Filter>Header Files\physmeme</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="pe_image\pe_image.h">
|
||||
<Filter>Source Files\pe_image</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="mem_ctx\mem_ctx.hpp">
|
||||
<Filter>Header Files\mem_ctx</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="kernel_ctx\kernel_ctx.h">
|
||||
<Filter>Header Files\kernel_ctx</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="injector_ctx\injector_ctx.hpp">
|
||||
<Filter>Header Files\injector_ctx</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="loadup.hpp">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="raw_driver.hpp">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="direct.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
</Project>
|
@ -0,0 +1,6 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
|
||||
<DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
|
||||
</PropertyGroup>
|
||||
</Project>
|
@ -0,0 +1,124 @@
|
||||
#include "injector_ctx.hpp"
|
||||
#include "../direct.h"
|
||||
#include <iostream>
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
injector_ctx::injector_ctx(
|
||||
mem_ctx& inject_into,
|
||||
mem_ctx& inject_from
|
||||
)
|
||||
:
|
||||
inject_into(inject_into),
|
||||
inject_from(inject_from)
|
||||
{}
|
||||
|
||||
std::pair<void*, void*> injector_ctx::inject(
|
||||
std::vector<std::uint8_t>& raw_image,
|
||||
const unsigned pml4_index
|
||||
)
|
||||
{
|
||||
nasa::pe_image image(raw_image);
|
||||
const auto p_handle = OpenProcess(
|
||||
PROCESS_ALL_ACCESS,
|
||||
FALSE,
|
||||
inject_from.get_pid()
|
||||
);
|
||||
|
||||
//
|
||||
// allocate rwx memory for dll inside of explorer.exe
|
||||
//
|
||||
const auto module_base = direct::alloc_virtual_memory(
|
||||
p_handle,
|
||||
image.size() + 0x1000 * 512, //image size + 2mb (creates a new pde/pt)
|
||||
PAGE_EXECUTE_READWRITE
|
||||
);
|
||||
|
||||
image.fix_imports(NULL, NULL); // no imports
|
||||
image.map();
|
||||
image.relocate(reinterpret_cast<std::uintptr_t>(module_base));
|
||||
|
||||
//
|
||||
// write dll into explorer.exe
|
||||
//
|
||||
auto result = direct::write_virtual_memory(
|
||||
p_handle,
|
||||
module_base,
|
||||
image.data(),
|
||||
image.size()
|
||||
);
|
||||
|
||||
if (!result)
|
||||
return {};
|
||||
|
||||
const auto [ppml4e, pml4e] = inject_from.get_pml4e(module_base);
|
||||
if (!ppml4e || !pml4e.value)
|
||||
return {};
|
||||
|
||||
const auto inject_into_dirbase = reinterpret_cast<::ppml4e>(inject_into.get_dirbase());
|
||||
if (!inject_into_dirbase)
|
||||
return {};
|
||||
|
||||
//
|
||||
// write in pml4e containing dll at desired index
|
||||
//
|
||||
inject_into.write_phys<::pml4e>(
|
||||
inject_into_dirbase + pml4_index,
|
||||
pml4e
|
||||
);
|
||||
|
||||
CloseHandle(p_handle);
|
||||
virt_addr_t new_addr{ module_base };
|
||||
new_addr.pml4_index = pml4_index;
|
||||
return { new_addr.value, module_base };
|
||||
}
|
||||
|
||||
bool injector_ctx::hook(void* present_hook)
|
||||
{
|
||||
if (!present_hook)
|
||||
return false;
|
||||
|
||||
//
|
||||
// get dxgi.dll base address
|
||||
//
|
||||
const auto dxgi = (std::uintptr_t)util::get_module_base(
|
||||
inject_into.get_pid(),
|
||||
"dxgi.dll"
|
||||
);
|
||||
|
||||
std::cout << "[+] dxgi.dll base address: " << std::hex << dxgi << std::endl;
|
||||
std::cin.get();
|
||||
|
||||
//
|
||||
// IAT hook EtwEventWrite to our function
|
||||
//
|
||||
inject_into.write_virtual<void*>(
|
||||
reinterpret_cast<void*>(dxgi + 0x9F000),
|
||||
present_hook
|
||||
);
|
||||
|
||||
std::cout << "[+] iat hooked: " << std::hex << dxgi + 0x9F000 << " to: " << present_hook << std::endl;
|
||||
std::cin.get();
|
||||
|
||||
//
|
||||
// enable EtwEventWrite to be called
|
||||
//
|
||||
{
|
||||
inject_into.write_virtual<std::uint32_t>(
|
||||
reinterpret_cast<void*>(dxgi + 0xCB024),
|
||||
1
|
||||
);
|
||||
|
||||
inject_into.write_virtual<std::uint64_t>(
|
||||
reinterpret_cast<void*>(dxgi + 0xCB010),
|
||||
0xFFFFFFFFFFFFFFFF
|
||||
);
|
||||
|
||||
inject_into.write_virtual<std::uint64_t>(
|
||||
reinterpret_cast<void*>(dxgi + 0xCB018),
|
||||
0x4000000000000000
|
||||
);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
@ -0,0 +1,21 @@
|
||||
#include <map>
|
||||
#include "../mem_ctx/mem_ctx.hpp"
|
||||
#include "../pe_image/pe_image.h"
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
class injector_ctx
|
||||
{
|
||||
public:
|
||||
injector_ctx(
|
||||
nasa::mem_ctx& inject_into,
|
||||
nasa::mem_ctx& inject_from
|
||||
);
|
||||
std::pair<void*, void*> inject(std::vector<std::uint8_t>& raw_image, const unsigned pml4_index = 179);
|
||||
bool hook(void* present_hook);
|
||||
private:
|
||||
|
||||
nasa::mem_ctx inject_into;
|
||||
nasa::mem_ctx inject_from;
|
||||
};
|
||||
}
|
@ -0,0 +1,306 @@
|
||||
#include "kernel_ctx.h"
|
||||
#include "../mem_ctx/mem_ctx.hpp"
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
kernel_ctx::kernel_ctx()
|
||||
{
|
||||
if (psyscall_func.load() || nt_page_offset || ntoskrnl_buffer)
|
||||
return;
|
||||
|
||||
nt_rva = reinterpret_cast<std::uint32_t>(
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
syscall_hook.first.data(),
|
||||
true
|
||||
));
|
||||
|
||||
nt_page_offset = nt_rva % PAGE_SIZE;
|
||||
ntoskrnl_buffer = reinterpret_cast<std::uint8_t*>(LoadLibraryA(ntoskrnl_path));
|
||||
|
||||
DBG_PRINT("[+] page offset of %s is 0x%llx\n", syscall_hook.first.data(), nt_page_offset);
|
||||
DBG_PRINT("[+] ntoskrnl_buffer: 0x%p\n", ntoskrnl_buffer);
|
||||
DBG_PRINT("[!] ntoskrnl_buffer was 0x%p, nt_rva was 0x%p\n", ntoskrnl_buffer, nt_rva);
|
||||
|
||||
std::vector<std::thread> search_threads;
|
||||
//--- for each physical memory range, make a thread to search it
|
||||
for (auto ranges : util::pmem_ranges)
|
||||
search_threads.emplace_back(std::thread(
|
||||
&kernel_ctx::map_syscall,
|
||||
this,
|
||||
ranges.first,
|
||||
ranges.second
|
||||
));
|
||||
|
||||
for (std::thread& search_thread : search_threads)
|
||||
search_thread.join();
|
||||
|
||||
DBG_PRINT("[+] psyscall_func: 0x%p\n", psyscall_func.load());
|
||||
}
|
||||
|
||||
void kernel_ctx::map_syscall(std::uintptr_t begin, std::uintptr_t end) const
|
||||
{
|
||||
//if the physical memory range is less then or equal to 2mb
|
||||
if (begin + end <= 0x1000 * 512)
|
||||
{
|
||||
auto page_va = nasa::map_phys(begin + nt_page_offset, end);
|
||||
if (page_va)
|
||||
{
|
||||
// scan every page of the physical memory range
|
||||
for (auto page = page_va; page < page_va + end; page += 0x1000)
|
||||
if (!psyscall_func.load()) // keep scanning until its found
|
||||
if (!memcmp(reinterpret_cast<void*>(page), ntoskrnl_buffer + nt_rva, 32))
|
||||
{
|
||||
psyscall_func.store((void*)page);
|
||||
return;
|
||||
}
|
||||
nasa::unmap_phys(page_va, end);
|
||||
}
|
||||
}
|
||||
else // else the range is bigger then 2mb
|
||||
{
|
||||
auto remainder = (begin + end) % (0x1000 * 512);
|
||||
|
||||
// loop over 2m chunks
|
||||
for (auto range = begin; range < begin + end; range += 0x1000 * 512)
|
||||
{
|
||||
auto page_va = nasa::map_phys(range + nt_page_offset, 0x1000 * 512);
|
||||
if (page_va)
|
||||
{
|
||||
// loop every page of 2mbs (512)
|
||||
for (auto page = page_va; page < page_va + 0x1000 * 512; page += 0x1000)
|
||||
{
|
||||
if (!memcmp(reinterpret_cast<void*>(page), ntoskrnl_buffer + nt_rva, 32))
|
||||
{
|
||||
psyscall_func.store((void*)page);
|
||||
return;
|
||||
}
|
||||
}
|
||||
nasa::unmap_phys(page_va, 0x1000 * 512);
|
||||
}
|
||||
}
|
||||
|
||||
// map the remainder and check each page of it
|
||||
auto page_va = nasa::map_phys(begin + end - remainder + nt_page_offset, remainder);
|
||||
if (page_va)
|
||||
{
|
||||
for (auto page = page_va; page < page_va + remainder; page += 0x1000)
|
||||
{
|
||||
if (!memcmp(reinterpret_cast<void*>(page), ntoskrnl_buffer + nt_rva, 32))
|
||||
{
|
||||
psyscall_func.store((void*)page);
|
||||
return;
|
||||
}
|
||||
}
|
||||
nasa::unmap_phys(page_va, remainder);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
PEPROCESS kernel_ctx::get_peprocess(DWORD pid)
|
||||
{
|
||||
if (!pid)
|
||||
return NULL;
|
||||
|
||||
PEPROCESS proc;
|
||||
static auto get_peprocess_from_pid =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"PsLookupProcessByProcessId"
|
||||
);
|
||||
|
||||
syscall<PsLookupProcessByProcessId>(
|
||||
get_peprocess_from_pid,
|
||||
(HANDLE)pid,
|
||||
&proc
|
||||
);
|
||||
return proc;
|
||||
}
|
||||
|
||||
void kernel_ctx::rkm(void* buffer, void* address, std::size_t size)
|
||||
{
|
||||
if (!buffer || !address || !size)
|
||||
return;
|
||||
|
||||
size_t amount_copied;
|
||||
static auto mm_copy_memory =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"memcpy"
|
||||
);
|
||||
|
||||
if (mm_copy_memory)
|
||||
syscall<decltype(&memcpy)>(
|
||||
mm_copy_memory,
|
||||
buffer,
|
||||
address,
|
||||
size
|
||||
);
|
||||
}
|
||||
|
||||
void kernel_ctx::wkm(void* buffer, void* address, std::size_t size)
|
||||
{
|
||||
if (!buffer || !address || !size)
|
||||
return;
|
||||
|
||||
size_t amount_copied;
|
||||
static auto mm_copy_memory =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"memcpy"
|
||||
);
|
||||
|
||||
if (mm_copy_memory)
|
||||
syscall<decltype(&memcpy)>(
|
||||
mm_copy_memory,
|
||||
address,
|
||||
buffer,
|
||||
size
|
||||
);
|
||||
}
|
||||
|
||||
void* kernel_ctx::get_physical(void* virt_addr)
|
||||
{
|
||||
if (!virt_addr)
|
||||
return NULL;
|
||||
|
||||
static auto mm_get_physical =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"MmGetPhysicalAddress"
|
||||
);
|
||||
|
||||
return syscall<MmGetPhysicalAddress>(
|
||||
mm_get_physical,
|
||||
virt_addr
|
||||
);
|
||||
}
|
||||
|
||||
void* kernel_ctx::get_virtual(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return NULL;
|
||||
|
||||
static auto mm_get_virtual =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"MmGetVirtualForPhysical"
|
||||
);
|
||||
|
||||
PHYSICAL_ADDRESS phys_addr;
|
||||
memcpy(&phys_addr, &addr, sizeof(addr));
|
||||
return syscall<MmGetVirtualForPhysical>(
|
||||
mm_get_virtual,
|
||||
phys_addr
|
||||
);
|
||||
}
|
||||
|
||||
bool kernel_ctx::clear_piddb_cache(const std::string& file_name, const std::uint32_t timestamp)
|
||||
{
|
||||
static const auto piddb_lock =
|
||||
util::memory::get_piddb_lock();
|
||||
|
||||
static const auto piddb_table =
|
||||
util::memory::get_piddb_table();
|
||||
|
||||
if (!piddb_lock || !piddb_table)
|
||||
return false;
|
||||
|
||||
static const auto ex_acquire_resource =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"ExAcquireResourceExclusiveLite"
|
||||
);
|
||||
|
||||
static const auto lookup_element_table =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"RtlLookupElementGenericTableAvl"
|
||||
);
|
||||
|
||||
static const auto release_resource =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"ExReleaseResourceLite"
|
||||
);
|
||||
|
||||
static const auto delete_table_entry =
|
||||
util::get_kernel_export(
|
||||
"ntoskrnl.exe",
|
||||
"RtlDeleteElementGenericTableAvl"
|
||||
);
|
||||
|
||||
if (!ex_acquire_resource || !lookup_element_table || !release_resource)
|
||||
return false;
|
||||
|
||||
PiDDBCacheEntry cache_entry;
|
||||
const auto drv_name = std::wstring(file_name.begin(), file_name.end());
|
||||
cache_entry.time_stamp = timestamp;
|
||||
RtlInitUnicodeString(&cache_entry.driver_name, drv_name.data());
|
||||
|
||||
//
|
||||
// ExAcquireResourceExclusiveLite
|
||||
//
|
||||
if (!syscall<ExAcquireResourceExclusiveLite>(ex_acquire_resource, piddb_lock, true))
|
||||
return false;
|
||||
|
||||
//
|
||||
// RtlLookupElementGenericTableAvl
|
||||
//
|
||||
PIDCacheobj* found_entry_ptr =
|
||||
syscall<RtlLookupElementGenericTableAvl>(
|
||||
lookup_element_table,
|
||||
piddb_table,
|
||||
reinterpret_cast<void*>(&cache_entry)
|
||||
);
|
||||
|
||||
if (found_entry_ptr)
|
||||
{
|
||||
|
||||
//
|
||||
// unlink entry.
|
||||
//
|
||||
PIDCacheobj found_entry = rkm<PIDCacheobj>(found_entry_ptr);
|
||||
LIST_ENTRY NextEntry = rkm<LIST_ENTRY>(found_entry.list.Flink);
|
||||
LIST_ENTRY PrevEntry = rkm<LIST_ENTRY>(found_entry.list.Blink);
|
||||
|
||||
PrevEntry.Flink = found_entry.list.Flink;
|
||||
NextEntry.Blink = found_entry.list.Blink;
|
||||
|
||||
wkm<LIST_ENTRY>(found_entry.list.Blink, PrevEntry);
|
||||
wkm<LIST_ENTRY>(found_entry.list.Flink, NextEntry);
|
||||
|
||||
//
|
||||
// delete entry.
|
||||
//
|
||||
syscall<RtlDeleteElementGenericTableAvl>(delete_table_entry, piddb_table, found_entry_ptr);
|
||||
|
||||
//
|
||||
// ensure the entry is 0
|
||||
//
|
||||
auto result = syscall<RtlLookupElementGenericTableAvl>(
|
||||
lookup_element_table,
|
||||
piddb_table,
|
||||
reinterpret_cast<void*>(&cache_entry)
|
||||
);
|
||||
|
||||
syscall<ExReleaseResourceLite>(release_resource, piddb_lock);
|
||||
return !result;
|
||||
}
|
||||
syscall<ExReleaseResourceLite>(release_resource, piddb_lock);
|
||||
return false;
|
||||
}
|
||||
|
||||
void kernel_ctx::fix_syscall(nasa::mem_ctx& ctx)
|
||||
{
|
||||
pt_entries syscall_entries; // not used.
|
||||
nasa::psyscall_func =
|
||||
ctx.set_page(
|
||||
ctx.virt_to_phys(
|
||||
syscall_entries,
|
||||
nasa::psyscall_func
|
||||
));
|
||||
|
||||
nasa::unmap_all();
|
||||
}
|
||||
}
|
@ -0,0 +1,120 @@
|
||||
#pragma once
|
||||
#include "../util/util.hpp"
|
||||
#include "../physmeme/physmeme.hpp"
|
||||
#include "../util/hook.hpp"
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
//
|
||||
// offset of function into a physical page
|
||||
// used for comparing bytes when searching
|
||||
//
|
||||
inline std::uint16_t nt_page_offset{};
|
||||
|
||||
//
|
||||
// rva of nt function we are going to hook
|
||||
//
|
||||
inline std::uint32_t nt_rva{};
|
||||
|
||||
//
|
||||
// base address of ntoskrnl (inside of this process)
|
||||
//
|
||||
inline const std::uint8_t* ntoskrnl_buffer{};
|
||||
|
||||
//
|
||||
// mapping of a syscalls physical memory (for installing hooks)
|
||||
//
|
||||
inline std::atomic<void*> psyscall_func{};
|
||||
|
||||
//
|
||||
// you can edit this how you choose, im hooking NtShutdownSystem.
|
||||
//
|
||||
inline const std::pair<std::string_view, std::string_view> syscall_hook = { "NtShutdownSystem", "ntdll.dll" };
|
||||
|
||||
class kernel_ctx
|
||||
{
|
||||
friend class mem_ctx;
|
||||
public:
|
||||
kernel_ctx();
|
||||
|
||||
//
|
||||
// read kernel memory into buffer
|
||||
//
|
||||
void rkm(void* buffer, void* address, std::size_t size);
|
||||
|
||||
//
|
||||
// write kernel memory from buffer
|
||||
//
|
||||
void wkm(void* buffer, void* address, std::size_t size);
|
||||
|
||||
template <class T>
|
||||
T rkm(void* addr)
|
||||
{
|
||||
if (!addr)
|
||||
return {};
|
||||
T buffer;
|
||||
rkm((void*)&buffer, addr, sizeof(T));
|
||||
return buffer;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
void wkm(void* addr, const T& data)
|
||||
{
|
||||
if (!addr)
|
||||
return;
|
||||
wkm((void*)&data, addr, sizeof(T));
|
||||
}
|
||||
|
||||
//
|
||||
// gets physical address from virtual
|
||||
//
|
||||
void* get_physical(void* virt_addr);
|
||||
|
||||
//
|
||||
// uses the pfn database to get the virtual address
|
||||
//
|
||||
void* get_virtual(void* virt_addr);
|
||||
|
||||
//
|
||||
// use this to call any function in the kernel
|
||||
//
|
||||
template <class T, class ... Ts>
|
||||
std::invoke_result_t<T, Ts...> syscall(void* addr, Ts ... args)
|
||||
{
|
||||
static const auto proc =
|
||||
GetProcAddress(
|
||||
GetModuleHandleA(syscall_hook.second.data()),
|
||||
syscall_hook.first.data()
|
||||
);
|
||||
|
||||
if (!proc || !psyscall_func || !addr)
|
||||
return {};
|
||||
|
||||
hook::make_hook(psyscall_func, addr);
|
||||
auto result = reinterpret_cast<T>(proc)(args ...);
|
||||
hook::remove(psyscall_func);
|
||||
return result;
|
||||
}
|
||||
|
||||
bool clear_piddb_cache(
|
||||
const std::string& drv_name,
|
||||
const std::uint32_t epoch_time
|
||||
);
|
||||
|
||||
//
|
||||
// fix syscall to use new page.
|
||||
//
|
||||
static void fix_syscall(nasa::mem_ctx& ctx);
|
||||
private:
|
||||
|
||||
//
|
||||
// find and map the physical page of a syscall into this process
|
||||
//
|
||||
void map_syscall(std::uintptr_t begin, std::uintptr_t end) const;
|
||||
|
||||
//
|
||||
// get a pointer to an eprocess given process id.
|
||||
//
|
||||
PEPROCESS get_peprocess(DWORD pid);
|
||||
};
|
||||
}
|
@ -0,0 +1,278 @@
|
||||
/*
|
||||
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>
|
||||
|
||||
#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;
|
||||
std::ofstream output_file(file_path.c_str(), std::ios::binary);
|
||||
|
||||
output_file.write((char*)drv_buffer.data(), drv_buffer.size());
|
||||
output_file.close();
|
||||
|
||||
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_drv = std::filesystem::remove(image_path);
|
||||
const bool delete_reg = util::delete_service_entry(service_name);
|
||||
|
||||
return unload_drv && delete_drv && delete_reg;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
@ -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 +1,120 @@
|
||||
#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);
|
||||
|
||||
//
|
||||
// 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:
|
||||
|
||||
//
|
||||
// given an address fill pt entries with physical addresses and entry values.
|
||||
//
|
||||
bool hyperspace_entries(pt_entries& entries, void* addr);
|
||||
|
||||
std::pair<void*, pte> genesis_page;
|
||||
std::pair<ppte, pte> genesis_cursor;
|
||||
void* dirbase;
|
||||
|
||||
unsigned pid;
|
||||
unsigned short page_offset;
|
||||
};
|
||||
}
|
@ -0,0 +1,224 @@
|
||||
/*
|
||||
This is free and unencumbered software released into the public domain.
|
||||
|
||||
Anyone is free to copy, modify, publish, use, compile, sell, or
|
||||
distribute this software, either in source code form or as a compiled
|
||||
binary, for any purpose, commercial or non-commercial, and by any
|
||||
means.
|
||||
|
||||
In jurisdictions that recognize copyright laws, the author or authors
|
||||
of this software dedicate any and all copyright interest in the
|
||||
software to the public domain. We make this dedication for the benefit
|
||||
of the public at large and to the detriment of our heirs and
|
||||
successors. We intend this dedication to be an overt act of
|
||||
relinquishment in perpetuity of all present and future rights to this
|
||||
software under copyright law.
|
||||
|
||||
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 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.
|
||||
|
||||
For more information, please refer to <http://unlicense.org>
|
||||
|
||||
|
||||
!!!!!!!!!!!!!!!!!!!!!!!!!!! This code was created by not-wlan (wlan). all credit for this header and source file goes to him !!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
||||
*/
|
||||
|
||||
#include "pe_image.h"
|
||||
|
||||
#include <cassert>
|
||||
#include <fstream>
|
||||
|
||||
namespace nasa
|
||||
{
|
||||
pe_image::pe_image(std::vector<uint8_t>& image) : m_image(image)
|
||||
{
|
||||
m_dos_header = reinterpret_cast<PIMAGE_DOS_HEADER>(m_image.data());
|
||||
m_nt_headers = reinterpret_cast<PIMAGE_NT_HEADERS64>((uintptr_t)m_dos_header + m_dos_header->e_lfanew);
|
||||
m_section_header = reinterpret_cast<IMAGE_SECTION_HEADER*>((uintptr_t)(&m_nt_headers->OptionalHeader) + m_nt_headers->FileHeader.SizeOfOptionalHeader);
|
||||
}
|
||||
|
||||
size_t pe_image::size() const
|
||||
{
|
||||
return m_nt_headers->OptionalHeader.SizeOfImage;
|
||||
}
|
||||
|
||||
uintptr_t pe_image::entry_point() const
|
||||
{
|
||||
return m_nt_headers->OptionalHeader.AddressOfEntryPoint;
|
||||
}
|
||||
|
||||
void pe_image::map()
|
||||
{
|
||||
m_image_mapped.clear();
|
||||
m_image_mapped.resize(m_nt_headers->OptionalHeader.SizeOfImage);
|
||||
std::copy_n(m_image.begin(), m_nt_headers->OptionalHeader.SizeOfHeaders, m_image_mapped.begin());
|
||||
|
||||
for (size_t i = 0; i < m_nt_headers->FileHeader.NumberOfSections; ++i)
|
||||
{
|
||||
const auto& section = m_section_header[i];
|
||||
const auto target = (uintptr_t)m_image_mapped.data() + section.VirtualAddress;
|
||||
const auto source = (uintptr_t)m_dos_header + section.PointerToRawData;
|
||||
std::copy_n(m_image.begin() + section.PointerToRawData, section.SizeOfRawData, m_image_mapped.begin() + section.VirtualAddress);
|
||||
printf("copying [%s] 0x%p -> 0x%p [0x%04X]\n", §ion.Name[0], (void*)source, (void*)target, section.SizeOfRawData);
|
||||
}
|
||||
}
|
||||
|
||||
bool pe_image::process_relocation(uintptr_t image_base_delta, uint16_t data, uint8_t* relocation_base)
|
||||
{
|
||||
#define IMR_RELOFFSET(x) (x & 0xFFF)
|
||||
|
||||
switch (data >> 12 & 0xF)
|
||||
{
|
||||
case IMAGE_REL_BASED_HIGH:
|
||||
{
|
||||
const auto raw_address = reinterpret_cast<int16_t*>(relocation_base + IMR_RELOFFSET(data));
|
||||
*raw_address += static_cast<unsigned long>(HIWORD(image_base_delta));
|
||||
break;
|
||||
}
|
||||
case IMAGE_REL_BASED_LOW:
|
||||
{
|
||||
const auto raw_address = reinterpret_cast<int16_t*>(relocation_base + IMR_RELOFFSET(data));
|
||||
*raw_address += static_cast<unsigned long>(LOWORD(image_base_delta));
|
||||
break;
|
||||
}
|
||||
case IMAGE_REL_BASED_HIGHLOW:
|
||||
{
|
||||
const auto raw_address = reinterpret_cast<size_t*>(relocation_base + IMR_RELOFFSET(data));
|
||||
*raw_address += static_cast<size_t>(image_base_delta);
|
||||
break;
|
||||
}
|
||||
case IMAGE_REL_BASED_DIR64:
|
||||
{
|
||||
auto UNALIGNED raw_address = reinterpret_cast<DWORD_PTR UNALIGNED*>(relocation_base + IMR_RELOFFSET(data));
|
||||
*raw_address += image_base_delta;
|
||||
break;
|
||||
}
|
||||
case IMAGE_REL_BASED_ABSOLUTE: // No action required
|
||||
case IMAGE_REL_BASED_HIGHADJ: // no action required
|
||||
{
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
throw std::runtime_error("gay relocation!"); // :flushed: ??
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
#undef IMR_RELOFFSET
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
void pe_image::relocate(uintptr_t base) const
|
||||
{
|
||||
if (m_nt_headers->FileHeader.Characteristics & IMAGE_FILE_RELOCS_STRIPPED)
|
||||
return;
|
||||
|
||||
ULONG total_count_bytes;
|
||||
const auto nt_headers = ImageNtHeader((void*)m_image_mapped.data());
|
||||
auto relocation_directory = (PIMAGE_BASE_RELOCATION)::ImageDirectoryEntryToData(nt_headers, TRUE, IMAGE_DIRECTORY_ENTRY_BASERELOC, &total_count_bytes);
|
||||
auto image_base_delta = static_cast<uintptr_t>(static_cast<uintptr_t>(base) - (nt_headers->OptionalHeader.ImageBase));
|
||||
auto relocation_size = total_count_bytes;
|
||||
|
||||
// This should check (DllCharacteristics & IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE) too but lots of drivers do not have it set due to WDK defaults
|
||||
const bool doRelocations = image_base_delta != 0 && relocation_size > 0;
|
||||
|
||||
if (!doRelocations)
|
||||
{
|
||||
printf("no relocations needed\n");
|
||||
return;
|
||||
}
|
||||
|
||||
assert(relocation_directory != nullptr);
|
||||
|
||||
void* relocation_end = reinterpret_cast<uint8_t*>(relocation_directory) + relocation_size;
|
||||
|
||||
while (relocation_directory < relocation_end)
|
||||
{
|
||||
auto relocation_base = ::ImageRvaToVa(nt_headers, (void*)m_image_mapped.data(), relocation_directory->VirtualAddress, nullptr);
|
||||
|
||||
auto num_relocs = (relocation_directory->SizeOfBlock - 8) >> 1;
|
||||
|
||||
auto relocation_data = reinterpret_cast<PWORD>(relocation_directory + 1);
|
||||
|
||||
for (unsigned long i = 0; i < num_relocs; ++i, ++relocation_data)
|
||||
{
|
||||
if (process_relocation(image_base_delta, *relocation_data, (uint8_t*)relocation_base) == FALSE)
|
||||
{
|
||||
printf("failed to relocate!");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
relocation_directory = reinterpret_cast<PIMAGE_BASE_RELOCATION>(relocation_data);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
template<typename T>
|
||||
__forceinline T* ptr_add(void* base, uintptr_t offset)
|
||||
{
|
||||
return (T*)(uintptr_t)base + offset;
|
||||
}
|
||||
|
||||
void pe_image::fix_imports(const std::function<uintptr_t(std::string_view)> get_module, const std::function<uintptr_t(const char*, const char*)> get_function)
|
||||
{
|
||||
ULONG size;
|
||||
auto import_descriptors = static_cast<PIMAGE_IMPORT_DESCRIPTOR>(::ImageDirectoryEntryToData(m_image.data(), FALSE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size));
|
||||
|
||||
if (import_descriptors == nullptr)
|
||||
{
|
||||
printf("no imports!\n");
|
||||
return;
|
||||
}
|
||||
|
||||
for (; import_descriptors->Name; import_descriptors++)
|
||||
{
|
||||
IMAGE_THUNK_DATA* image_thunk_data;
|
||||
|
||||
const auto module_name = get_rva<char>(import_descriptors->Name);
|
||||
const auto module_base = get_module(module_name);
|
||||
assert(module_base != 0);
|
||||
|
||||
printf("processing module: %s [0x%I64X]\n", module_name, module_base);
|
||||
|
||||
if (import_descriptors->OriginalFirstThunk)
|
||||
image_thunk_data = get_rva<IMAGE_THUNK_DATA>(import_descriptors->OriginalFirstThunk);
|
||||
else
|
||||
image_thunk_data = get_rva<IMAGE_THUNK_DATA>(import_descriptors->FirstThunk);
|
||||
auto image_func_data = get_rva<IMAGE_THUNK_DATA64>(import_descriptors->FirstThunk);
|
||||
|
||||
assert(image_thunk_data != nullptr);
|
||||
assert(image_func_data != nullptr);
|
||||
|
||||
for (; image_thunk_data->u1.AddressOfData; image_thunk_data++, image_func_data++)
|
||||
{
|
||||
uintptr_t function_address;
|
||||
const auto ordinal = (image_thunk_data->u1.Ordinal & IMAGE_ORDINAL_FLAG64) != 0;
|
||||
const auto image_import_by_name = get_rva<IMAGE_IMPORT_BY_NAME>(*(DWORD*)image_thunk_data);
|
||||
const auto name_of_import = static_cast<char*>(image_import_by_name->Name);
|
||||
function_address = get_function(module_name, name_of_import);
|
||||
printf("function: %s [0x%I64X]\n", name_of_import, function_address);
|
||||
assert(function_address != 0);
|
||||
image_func_data->u1.Function = function_address;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void* pe_image::data()
|
||||
{
|
||||
return m_image_mapped.data();
|
||||
}
|
||||
|
||||
size_t pe_image::header_size()
|
||||
{
|
||||
return m_nt_headers->OptionalHeader.SizeOfHeaders;
|
||||
}
|
||||
}
|
@ -0,0 +1,73 @@
|
||||
/*
|
||||
This is free and unencumbered software released into the public domain.
|
||||
|
||||
Anyone is free to copy, modify, publish, use, compile, sell, or
|
||||
distribute this software, either in source code form or as a compiled
|
||||
binary, for any purpose, commercial or non-commercial, and by any
|
||||
means.
|
||||
|
||||
In jurisdictions that recognize copyright laws, the author or authors
|
||||
of this software dedicate any and all copyright interest in the
|
||||
software to the public domain. We make this dedication for the benefit
|
||||
of the public at large and to the detriment of our heirs and
|
||||
successors. We intend this dedication to be an overt act of
|
||||
relinquishment in perpetuity of all present and future rights to this
|
||||
software under copyright law.
|
||||
|
||||
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 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.
|
||||
|
||||
For more information, please refer to <http://unlicense.org>
|
||||
|
||||
|
||||
!!!!!!!!!!!!!!!!!!!!!!!!!!! This code was created by not-wlan (wlan). all credit for this header and source file goes to him !!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
||||
*/
|
||||
|
||||
|
||||
#pragma once
|
||||
#include <vector>
|
||||
#define WIN32_NO_STATUS
|
||||
#include <Windows.h>
|
||||
#include <Winternl.h>
|
||||
#undef WIN32_NO_STATUS
|
||||
#include <ntstatus.h>
|
||||
|
||||
#include <functional>
|
||||
#include <DbgHelp.h>
|
||||
#include <variant>
|
||||
|
||||
#pragma comment(lib, "Dbghelp.lib")
|
||||
namespace nasa
|
||||
{
|
||||
class pe_image
|
||||
{
|
||||
std::vector<uint8_t> m_image;
|
||||
std::vector<uint8_t> m_image_mapped;
|
||||
PIMAGE_DOS_HEADER m_dos_header = nullptr;
|
||||
PIMAGE_NT_HEADERS64 m_nt_headers = nullptr;
|
||||
PIMAGE_SECTION_HEADER m_section_header = nullptr;
|
||||
|
||||
public:
|
||||
pe_image(std::vector<uint8_t>& image);
|
||||
size_t size() const;
|
||||
uintptr_t entry_point() const;
|
||||
void map();
|
||||
static bool process_relocation(size_t image_base_delta, uint16_t data, uint8_t* relocation_base);
|
||||
void relocate(uintptr_t base) const;
|
||||
|
||||
template<typename T>
|
||||
__forceinline T* get_rva(const unsigned long offset)
|
||||
{
|
||||
return (T*)::ImageRvaToVa(m_nt_headers, m_image.data(), offset, nullptr);
|
||||
}
|
||||
|
||||
void fix_imports(const std::function<uintptr_t(std::string_view)> get_module, const std::function<uintptr_t(const char*, const char*)> get_function);
|
||||
void* data();
|
||||
size_t header_size();
|
||||
};
|
||||
}
|
@ -0,0 +1,88 @@
|
||||
#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;
|
||||
inline std::vector<std::pair<std::uintptr_t, std::uint32_t >> virtual_mappings;
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
inline bool unload_drv()
|
||||
{
|
||||
return CloseHandle(drv_handle) && driver::unload(drv_key);
|
||||
}
|
||||
|
||||
inline std::uintptr_t map_phys(
|
||||
std::uintptr_t addr,
|
||||
std::size_t size
|
||||
)
|
||||
{
|
||||
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);
|
||||
|
||||
virtual_mappings.push_back({ out_buffer[0], size });
|
||||
return out_buffer[0];
|
||||
}
|
||||
|
||||
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];
|
||||
}
|
||||
|
||||
inline void unmap_all()
|
||||
{
|
||||
for (auto idx = 0u; idx < virtual_mappings.size(); ++idx)
|
||||
unmap_phys(virtual_mappings[idx].first, virtual_mappings[idx].second);
|
||||
}
|
||||
}
|
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 +1,355 @@
|
||||
#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(...)
|
||||
#define DBG_PRINT(...)
|
||||
#endif
|
||||
|
||||
constexpr char piddb_lock_sig[] = "\x48\x8D\x0D\x00\x00\x00\x00\xE8\x00\x00\x00\x00\x4C\x8B\x8C\x24";
|
||||
constexpr char piddb_lock_mask[] = "xxx????x????xxxx";
|
||||
|
||||
constexpr 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";
|
||||
constexpr char piddb_table_mask[] = "xxx????x????xxx????xxxx";
|
||||
|
||||
#define MM_COPY_MEMORY_PHYSICAL 0x1
|
||||
#define MM_COPY_MEMORY_VIRTUAL 0x2
|
||||
|
||||
constexpr auto ntoskrnl_path = "C:\\Windows\\System32\\ntoskrnl.exe";
|
||||
constexpr auto PAGE_SIZE = 0x1000;
|
||||
|
||||
constexpr auto SystemModuleInformation = 11;
|
||||
constexpr auto SystemHandleInformation = 16;
|
||||
constexpr auto SystemExtendedHandleInformation = 64;
|
||||
|
||||
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 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;
|
||||
|
||||
using ExAcquireResourceExclusiveLite = BOOLEAN(__stdcall*)(void*, bool);
|
||||
using RtlLookupElementGenericTableAvl = PIDCacheobj * (__stdcall*) (void*, void*);
|
||||
using RtlDeleteElementGenericTableAvl = bool(__stdcall*)(void*, void*);
|
||||
using ExReleaseResourceLite = bool(__stdcall*)(void*);
|
||||
|
||||
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 KeUnstackDetachProcess = void (__fastcall*)(
|
||||
PRKAPC_STATE ApcState
|
||||
);
|
||||
|
||||
using KeStackAttachProcess = void (__fastcall*)(
|
||||
PEPROCESS PROCESS,
|
||||
PRKAPC_STATE ApcState
|
||||
);
|
||||
|
||||
using ExFreePool = void* (__fastcall*)(
|
||||
PVOID P
|
||||
);
|
||||
|
||||
using ZwLockVirtualMemory = NTSTATUS (__fastcall*)(
|
||||
IN HANDLE,
|
||||
IN OUT PVOID,
|
||||
IN OUT PULONG,
|
||||
IN ULONG
|
||||
);
|
||||
|
||||
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 UserSupervisor : 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 ExecuteDisable : 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 ReadWrite : 1; // If 0, writes not allowed.
|
||||
ULONG64 UserSupervisor : 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 ExecuteDisable : 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 UserSupervisor : 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 ExecuteDisable : 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 UserSupervisor : 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 ExecuteDisable : 1; // If 1, instruction fetches not allowed.
|
||||
};
|
||||
} pte, * ppte;
|
||||
static_assert(sizeof(pte) == sizeof(PVOID), "Size mismatch, only 64-bit supported.");
|
@ -0,0 +1,403 @@
|
||||
#pragma once
|
||||
#include <Windows.h>
|
||||
#include <cstdint>
|
||||
#include <string_view>
|
||||
#include <iterator>
|
||||
#include <map>
|
||||
#include <fstream>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <tlhelp32.h>
|
||||
#include <ntstatus.h>
|
||||
#include <atomic>
|
||||
#include <array>
|
||||
#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;
|
||||
}
|
||||
|
||||
// Author: Remy Lebeau
|
||||
// taken from here: https://stackoverflow.com/questions/48485364/read-reg-resource-list-memory-values-incorrect-value
|
||||
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 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;
|
||||
}
|
||||
|
||||
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>());
|
||||
}
|
||||
|
||||
inline void* get_module_base(DWORD proc_id, const char* mod_name)
|
||||
{
|
||||
void* base_addr = 0;
|
||||
HANDLE h_snap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, proc_id);
|
||||
if (h_snap != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
MODULEENTRY32 mod_entry;
|
||||
mod_entry.dwSize = sizeof(mod_entry);
|
||||
if (Module32First(h_snap, &mod_entry))
|
||||
{
|
||||
do
|
||||
{
|
||||
if (!strcmp(mod_entry.szModule, mod_name))
|
||||
{
|
||||
base_addr = mod_entry.modBaseAddr;
|
||||
break;
|
||||
}
|
||||
} while (Module32Next(h_snap, &mod_entry));
|
||||
}
|
||||
}
|
||||
CloseHandle(h_snap);
|
||||
return base_addr;
|
||||
}
|
||||
|
||||
// get base address of kernel module
|
||||
//
|
||||
// taken from: https://github.com/z175/kdmapper/blob/master/kdmapper/utils.cpp#L30
|
||||
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;
|
||||
}
|
||||
|
||||
// get base address of kernel module
|
||||
//
|
||||
// taken from: https://github.com/z175/kdmapper/blob/master/kdmapper/utils.cpp#L30
|
||||
inline void* get_kernel_export(const char* module_name, const char* export_name, bool rva = false)
|
||||
{
|
||||
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, 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("\\")
|
||||
);
|
||||
|
||||
const 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;
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
}
|
After Width: | Height: | Size: 188 KiB |
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Reference in new issue