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内核模式注册表编程

//////////////////////////////////////////////////////////////////////////////创建或打开某注册表项目：

#define  MY_REG_SOFTWARE_KEY_NAME		L"\Registry\Machine\Software\Zhangfan"
#pragma INITCODE
VOID CreateRegTest() 
{
	//创建或打开某注册表项目
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;
	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感 
							NULL, 
							NULL );
	ULONG ulResult;
	//创建或带开注册表项目
	NTSTATUS ntStatus = ZwCreateKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes,
							0,
							NULL,
							REG_OPTION_NON_VOLATILE,
							&ulResult);
	if (NT_SUCCESS(ntStatus))
	{
		//判断是被新创建，还是已经被创建
		if(ulResult==REG_CREATED_NEW_KEY)
		{
			KdPrint(("The register item is created
"));
		}else if(ulResult==REG_OPENED_EXISTING_KEY)
		{
			KdPrint(("The register item has been created,and now is opened
"));
		}
	}

	//(2)创建或打开某注册表项目的子项
	UNICODE_STRING subRegUnicodeString;
	HANDLE hSubRegister;

	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &subRegUnicodeString, 
		L"SubItem");


	OBJECT_ATTRIBUTES subObjectAttributes;
	//初始化subObjectAttributes
	InitializeObjectAttributes(&subObjectAttributes,
							&subRegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感 
							hRegister, 
							NULL );
	//创建或带开注册表项目
	ntStatus = ZwCreateKey( &hSubRegister,
							KEY_ALL_ACCESS,
							&subObjectAttributes,
							0,
							NULL,
							REG_OPTION_NON_VOLATILE,
							&ulResult);

	if (NT_SUCCESS(ntStatus))
	{
		//判断是被新创建，还是已经被创建
		if(ulResult==REG_CREATED_NEW_KEY)
		{
			KdPrint(("The sub register item is created
"));
		}else if(ulResult==REG_OPENED_EXISTING_KEY)
		{
			KdPrint(("The sub register item has been created,and now is opened
"));
		}
	}
	//关闭注册表句柄
	ZwClose(hRegister);
	ZwClose(hSubRegister);
}

//////////////////////////////////////////////////////////////////////////////打开注册表

#pragma INITCODE
VOID OpenRegTest()
{
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;

	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感
							NULL, 
							NULL );
	//打开注册表
	NTSTATUS ntStatus = ZwOpenKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes);
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Open register successfully
"));
	}
	ZwClose(hRegister);
}

//////////////////////////////////////////////////////////////////////////////设置键值

#pragma INITCODE
VOID SetRegTest()
{
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;
	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感
							NULL, 
							NULL );
	//打开注册表
	NTSTATUS ntStatus = ZwOpenKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes);
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Open register successfully
"));
	}
	UNICODE_STRING ValueName;
	//初始化ValueName
	RtlInitUnicodeString( &ValueName, L"REG_DWORD value");

	//设置REG_DWORD子键
	ULONG ulValue = 1000;
	ZwSetValueKey(hRegister,
				&ValueName,
				0,
				REG_DWORD,
				&ulValue,
				sizeof(ulValue));

	//初始化ValueName
	RtlInitUnicodeString( &ValueName, L"REG_SZ value");
	WCHAR* strValue = L"hello world";

	//设置REG_SZ子键
	ZwSetValueKey(hRegister,
				&ValueName,
				0,
				REG_SZ,
				strValue,
				wcslen(strValue)*2+2);

	//初始化ValueName
	RtlInitUnicodeString( &ValueName, L"REG_BINARY value");
	
	UCHAR buffer[10];
	RtlFillMemory(buffer,sizeof(buffer),0xFF);

	//设置REG_MULTI_SZ子键
	ZwSetValueKey(hRegister,
				&ValueName,
				0,
				REG_BINARY,
				buffer,
				sizeof(buffer));
	//关闭注册表句柄
	ZwClose(hRegister);
}

////////////////////////////////////////////////////////////////////////////// 读取子键值

#pragma INITCODE
VOID QueryRegTest()
{
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;


	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感
							NULL, 
							NULL );
	//打开注册表
	NTSTATUS ntStatus = ZwOpenKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes);


	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Open register successfully
"));
	}
	UNICODE_STRING ValueName;
	//初始化ValueName
	RtlInitUnicodeString( &ValueName, L"REG_DWORD value");


	//读取REG_DWORD子键
	ULONG ulSize;
	ntStatus = ZwQueryValueKey(hRegister,
				&ValueName,
				KeyValuePartialInformation ,
				NULL,
				0,
				&ulSize);


	if (ntStatus==STATUS_OBJECT_NAME_NOT_FOUND || ulSize==0)
	{
		ZwClose(hRegister);
		KdPrint(("The item is not exist
"));
		return;
	}
	PKEY_VALUE_PARTIAL_INFORMATION pvpi = 
		(PKEY_VALUE_PARTIAL_INFORMATION)
		ExAllocatePool(PagedPool,ulSize);


	ntStatus = ZwQueryValueKey(hRegister,
				&ValueName,
				KeyValuePartialInformation ,
				pvpi,
				ulSize,
				&ulSize);
	if (!NT_SUCCESS(ntStatus))
	{
		ZwClose(hRegister);
		KdPrint(("Read regsiter error
"));
		return;
	}
	//判断是否为REG_DWORD类型
	if (pvpi->Type==REG_DWORD && pvpi->DataLength==sizeof(ULONG))
	{
		PULONG pulValue = (PULONG) pvpi->Data;
		KdPrint(("The value:%d
",*pulValue));
	}
	ExFreePool(pvpi);
	//初始化ValueName
	RtlInitUnicodeString( &ValueName, L"REG_SZ value");
	//读取REG_SZ子键
	ntStatus = ZwQueryValueKey(hRegister,
				&ValueName,
				KeyValuePartialInformation ,
				NULL,
				0,
				&ulSize);
	if (ntStatus==STATUS_OBJECT_NAME_NOT_FOUND || ulSize==0)
	{
		ZwClose(hRegister);
		KdPrint(("The item is not exist
"));
		return;
	}
	pvpi = 
		(PKEY_VALUE_PARTIAL_INFORMATION)
		ExAllocatePool(PagedPool,ulSize);


	ntStatus = ZwQueryValueKey(hRegister,
				&ValueName,
				KeyValuePartialInformation ,
				pvpi,
				ulSize,
				&ulSize);
	if (!NT_SUCCESS(ntStatus))
	{
		ZwClose(hRegister);
		KdPrint(("Read regsiter error
"));
		return;
	}
	//判断是否为REG_SZ类型
	if (pvpi->Type==REG_SZ)
	{
		KdPrint(("The value:%S
",pvpi->Data));
	}
	ZwClose(hRegister);
}

////////////////////////////////////////////////////////////////////////////// 枚举子项名

#pragma INITCODE
VOID EnumerateSubItemRegTest()
{
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;

	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感
							NULL, 
							NULL );
	//打开注册表
	NTSTATUS ntStatus = ZwOpenKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes);
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Open register successfully
"));
	}

	ULONG ulSize;
	//第一次调用ZwQueryKey为了获取KEY_FULL_INFORMATION数据的长度
	ZwQueryKey(hRegister,
		KeyFullInformation,
		NULL,
		0,
		&ulSize);

	PKEY_FULL_INFORMATION pfi = 
		(PKEY_FULL_INFORMATION)
		ExAllocatePool(PagedPool,ulSize);


	//第二次调用ZwQueryKey为了获取KEY_FULL_INFORMATION数据的数据
	ZwQueryKey(hRegister,
		KeyFullInformation,
		pfi,
		ulSize,
		&ulSize);

	for (ULONG i=0;i<pfi->SubKeys;i++)
	{
		//第一次调用ZwEnumerateKey为了获取KEY_BASIC_INFORMATION数据的长度
		ZwEnumerateKey(hRegister,
				i,
				KeyBasicInformation,
				NULL,
				0,
				&ulSize);

		PKEY_BASIC_INFORMATION pbi =
			(PKEY_BASIC_INFORMATION)
			ExAllocatePool(PagedPool,ulSize);

		//第二次调用ZwEnumerateKey为了获取KEY_BASIC_INFORMATION数据的数据
		ZwEnumerateKey(hRegister,
				i,
				KeyBasicInformation,
				pbi,
				ulSize,
				&ulSize);
		UNICODE_STRING uniKeyName;
		uniKeyName.Length = 
		uniKeyName.MaximumLength =
		(USHORT)pbi->NameLength;
		uniKeyName.Buffer = pbi->Name;
		KdPrint(("The %d sub item name:%wZ
",i,&uniKeyName));
		ExFreePool(pbi);
	}
	ExFreePool(pfi);
	ZwClose(hRegister);
}

////////////////////////////////////////////////////////////////////////////// 枚举子项值

#pragma INITCODE
VOID EnumerateSubValueRegTest()
{
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;


	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感
							NULL, 
							NULL );
	//打开注册表
	NTSTATUS ntStatus = ZwOpenKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes);


	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Open register successfully
"));
	}


	ULONG ulSize;
	ZwQueryKey(hRegister,
		KeyFullInformation,
		NULL,
		0,
		&ulSize);


	PKEY_FULL_INFORMATION pfi = 
		(PKEY_FULL_INFORMATION)
		ExAllocatePool(PagedPool,ulSize);


	ZwQueryKey(hRegister,
		KeyFullInformation,
		pfi,
		ulSize,
		&ulSize);


	for (ULONG i=0;i<pfi->Values;i++)
	{
		ZwEnumerateValueKey(hRegister,
				i,
				KeyValueBasicInformation,
				NULL,
				0,
				&ulSize);


		PKEY_VALUE_BASIC_INFORMATION pvbi =
			(PKEY_VALUE_BASIC_INFORMATION)
			ExAllocatePool(PagedPool,ulSize);


		ZwEnumerateValueKey(hRegister,
				i,
				KeyValueBasicInformation,
				pvbi,
				ulSize,
				&ulSize);


		UNICODE_STRING uniKeyName;
		uniKeyName.Length = 
		uniKeyName.MaximumLength =
		(USHORT)pvbi->NameLength;


		uniKeyName.Buffer = pvbi->Name;


		KdPrint(("The %d sub value name:%wZ
",i,&uniKeyName));


		if (pvbi->Type==REG_SZ)
		{
			KdPrint(("The sub value type:REG_SZ
"));
		}else if (pvbi->Type==REG_MULTI_SZ)
		{
			KdPrint(("The sub value type:REG_MULTI_SZ
")); 


		}else if (pvbi->Type==REG_DWORD)
		{
			KdPrint(("The sub value type:REG_DWORD
")); 
		}else if (pvbi->Type==REG_BINARY)
		{
			KdPrint(("The sub value type:REG_BINARY
")); 
		}


		ExFreePool(pvbi);
	}


	ExFreePool(pfi);
	ZwClose(hRegister);
}

////////////////////////////////////////////////////////////////////////////// 删除注册表

#pragma INITCODE
VOID DeleteItemRegTest()
{
	UNICODE_STRING RegUnicodeString;
	HANDLE hRegister;


#define MY_REG_SOFTWARE_KEY_NAME1 L"\Registry\Machine\Software\Zhangfan\SubItem"
	//初始化UNICODE_STRING字符串
	RtlInitUnicodeString( &RegUnicodeString, 
		MY_REG_SOFTWARE_KEY_NAME1);
	
	OBJECT_ATTRIBUTES objectAttributes;
	//初始化objectAttributes
	InitializeObjectAttributes(&objectAttributes,
							&RegUnicodeString,
							OBJ_CASE_INSENSITIVE,//对大小写敏感
							NULL, 
							NULL );
	//打开注册表
	NTSTATUS ntStatus = ZwOpenKey( &hRegister,
							KEY_ALL_ACCESS,
							&objectAttributes);


	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Open register successfully
"));
	}


	ntStatus = ZwDeleteKey(hRegister);
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Delete the item successfully
"));
	}else if(ntStatus == STATUS_ACCESS_DENIED)
	{
		KdPrint(("STATUS_ACCESS_DENIED
"));


	}else if(ntStatus == STATUS_INVALID_HANDLE)
	{
		KdPrint(("STATUS_INVALID_HANDLE
"));
	}else
	{
		KdPrint(("Maybe the item has sub item to delete
"));
	}


	ZwClose(hRegister);
}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////RTL 函数把前面介绍的函数进行了封装

#pragma INITCODE
void RtlRegTest()
{
//////////////////////////////////////////////////////////////////////////////////////////////////////////////创建子项目
	NTSTATUS ntStatus =
		RtlCreateRegistryKey(RTL_REGISTRY_SERVICES,L"HelloDDK\Zhangfan");
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Create the item successfully
"));
	}


//////////////////////////////////////////////////////////////////////////////////////////////////////////////检查某项是否存在
	ntStatus =
		RtlCheckRegistryKey(RTL_REGISTRY_SERVICES,L"HelloDDK\Zhangfan");
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("The item is exist
"));
	}


//////////////////////////////////////////////////////////////////////////////////////////////////////////////写入REG_DWORD的数据
	ULONG value1 = 100;
	ntStatus = 
		RtlWriteRegistryValue(RTL_REGISTRY_SERVICES,
							L"HelloDDK\Zhangfan",
							L"DWORD_Value",
							REG_DWORD,
							&value1,
							sizeof(value1));
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Write the DWORD value succuessfully
"));
	}


	PWCHAR szString = L"Hello DDK";
	ntStatus = 
		RtlWriteRegistryValue(RTL_REGISTRY_SERVICES,
							L"HelloDDK\Zhangfan",
							L"SZ_Value",
							REG_SZ,
							szString,
							wcslen(szString)*2+2);


	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Write the REG_SZ value succuessfully
"));
	}


    RTL_QUERY_REGISTRY_TABLE paramTable[2];
    RtlZeroMemory(paramTable, sizeof(paramTable));


	ULONG defaultData=0;
	ULONG uQueryValue;
    paramTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
    paramTable[0].Name = L"DWORD_Value";
    paramTable[0].EntryContext = &uQueryValue;
    paramTable[0].DefaultType = REG_DWORD;
    paramTable[0].DefaultData = &defaultData;
    paramTable[0].DefaultLength = sizeof(ULONG);


//////////////////////////////////////////////////////////////////////////////////////////////////////////////查询REG_DWORD的数据
	ntStatus = RtlQueryRegistryValues(RTL_REGISTRY_SERVICES,
						L"HelloDDK\Zhangfan",
						paramTable,
						NULL,
						NULL);
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("Query the item successfully
"));
		KdPrint(("The item is :%d
",uQueryValue));
	}
	
//////////////////////////////////////////////////////////////////////////////////////////////////////////////删除子键
	ntStatus = RtlDeleteRegistryValue(RTL_REGISTRY_SERVICES,
					L"HelloDDK\Zhangfan",
					L"DWORD_Value");
	if (NT_SUCCESS(ntStatus))
	{
		KdPrint(("delete the value successfully
"));
	}
}

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原文地址：https://www.cnblogs.com/zcc1414/p/3982521.html

内核模式 注册表编程

内核模式注册表编程