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2 楼
现在我已经搞定了 这个驱动
要怎么写r0和r3下的进程通讯啊
delphi7的 ring0和ring3 下的 进程通讯 #include <ntddk.h>
#include "struct.h"
//int pos_CreateFile; /* 保存这些函数的服务号 */
int pos_ReadVirtualMemory;
int pos_NtOpenProcess;
int pos_NtWriteVirtualMemory;
UNICODE_STRING uProcessName;
UNICODE_STRING MyuProcessName;
ANSI_STRING aProcessName;
//特殊的值，目标进程的ID
DWORD dwTargetProcessID;
#define MY_CONTROL_CODE 0x4021
#define IOCTL_SET_TARGET_PROCESS_ID (ULONG)CTL_CODE( FILE_DEVICE_UNKNOWN, MY_CONTROL_CODE, METHOD_BUFFERED, FILE_READ_DATA | FILE_WRITE_DATA )
//一些常量定义
#define EPROCESS_SIZE 1
#define PEB_OFFSET 2
#define FILE_NAME_OFFSET 3
#define PROCESS_LINK_OFFSET 4
#define PROCESS_ID_OFFSET 5
#define EXIT_TIME_OFFSET 6
DWORD GetPlantformDependentInfo ( DWORD dwFlag )
{
DWORD current_build;
DWORD ans = 0;
PsGetVersion(NULL, NULL,¤t_build, NULL);
switch ( dwFlag )
{
case EPROCESS_SIZE:
if (current_build == 2195) ans = 0 ; // 2000，当前不支持2000，下同
if (current_build == 2600) ans = 0x25C; // xp
if (current_build == 3790) ans = 0x270; // 2003
break;
case PEB_OFFSET:
if (current_build == 2195) ans = 0;
if (current_build == 2600) ans = 0x1b0;
if (current_build == 3790) ans = 0x1a0;
break;
case FILE_NAME_OFFSET:
if (current_build == 2195) ans = 0;
if (current_build == 2600) ans = 0x174;
if (current_build == 3790) ans = 0x164;
break;
case PROCESS_LINK_OFFSET:
if (current_build == 2195) ans = 0;
if (current_build == 2600) ans = 0x088;
if (current_build == 3790) ans = 0x098;
break;
case PROCESS_ID_OFFSET:
if (current_build == 2195) ans = 0;
if (current_build == 2600) ans = 0x084;
if (current_build == 3790) ans = 0x094;
break;
case EXIT_TIME_OFFSET:
if (current_build == 2195) ans = 0;
if (current_build == 2600) ans = 0x078;
if (current_build == 3790) ans = 0x088;
break;
}
return ans;
}
NTSTATUS NewNtOpenProcess(PHANDLE ProcessHandle,
ACCESS_MASK DesiredAccess,
POBJECT_ATTRIBUTES ObjectAttributes,
PCLIENT_ID ClientId)
{
NTSTATUS ntStatus;
DWORD dwProcessId = NULL;
ntStatus = ((ZWCREATEFILE)(OldNtOpenProcess))(
ProcessHandle,
DesiredAccess,
ObjectAttributes,
ClientId);
if((ClientId != NULL))
{
dwProcessId = (HANDLE)ClientId->UniqueProcess;
if (dwProcessId == dwTargetProcessID)
{
ntStatus = STATUS_ACCESS_DENIED;
}
}
return ntStatus;
}
NTSTATUS
NewNtWriteVirtualMemory(IN HANDLE ProcessHandle,
IN PVOID BaseAddress,
IN PVOID Buffer,
IN ULONG BufferLength,
OUT PULONG ReturnLength OPTIONAL)
{
NTSTATUS ntStatus;
NTSTATUS ret;
PVOID pEprocess;
DWORD dwProcessId;
ntStatus = ((NTWRITEVIRTUALMEMORY)(OldNtWriteVitualMemory)) (
ProcessHandle,
BaseAddress,
Buffer,
BufferLength,
ReturnLength);
pEprocess = NULL;
dwProcessId = GetPlantformDependentInfo(PROCESS_ID_OFFSET);
ret = ObReferenceObjectByHandle(ProcessHandle , 0, NULL, KernelMode, &pEprocess, NULL);
if(STATUS_SUCCESS == ret)
{
dwProcessId = *(DWORD*)((BYTE*)pEprocess+dwProcessId); //被扫描进程的PID
if (dwProcessId == dwTargetProcessID)
{
if(dwTargetProcessID == (DWORD)PsGetCurrentProcessId())
{
goto Next;
}
return STATUS_ACCESS_DENIED;
}
}
Next:
return ntStatus;
}
NTSTATUS
NewNtReadVirtualMemory(
IN HANDLE ProcessHandle,
IN PVOID BaseAddress,
OUT PVOID Buffer,
IN ULONG BufferLength,
OUT PULONG ReturnLength OPTIONAL
)
{
NTSTATUS ret;
PVOID pEprocess; //通过进程句柄得到ID
PVOID pExplorer_Eprocess; //过滤掉桌面进程explorer时用到的一个EPROCESS类型临时变量
DWORD dwCurrentPID; //当前ProcessHandle句柄对应的进程号
DWORD dwProcessId;
DWORD dwFileName;
pEprocess = NULL;
dwProcessId = GetPlantformDependentInfo(PROCESS_ID_OFFSET);
dwFileName = GetPlantformDependentInfo(FILE_NAME_OFFSET);
ret = ObReferenceObjectByHandle(ProcessHandle , 0, NULL, KernelMode, &pEprocess, NULL);
if(STATUS_SUCCESS == ret)
{
//DbgPrint("the caller ProcessName is %s\n",(PUCHAR)((BYTE*)pEprocess + dwFileName));
dwCurrentPID = *(DWORD*)((BYTE*)pEprocess+dwProcessId); //得到被扫描的进程的PID
if(dwCurrentPID == dwTargetProcessID) //dwTargetProcessID //如果被扫描的进程PID跟预定的一样，那么就开始bypass
{
DbgPrint("call NtReadVirtualMemory!Target Process is %d. The Caller is %d\n",dwTargetProcessID, PsGetCurrentProcessId());
if(dwTargetProcessID == (DWORD)PsGetCurrentProcessId()) //排除自己调用NtReadVirtualMemory来读取自己内存的情况
{
DbgPrint("call NtReadVirtualMemory by myself\n");
goto Next;
}
pExplorer_Eprocess = PsGetCurrentProcess(); //得到当前进程eprocess结构
RtlInitUnicodeString(&uProcessName,L"explorer.exe");
RtlInitAnsiString(&aProcessName,(PUCHAR)((BYTE*)pExplorer_Eprocess + dwFileName));
RtlAnsiStringToUnicodeString(&MyuProcessName,&aProcessName,TRUE);
DbgPrint("call NtReadVirtualMemory by %wZ ---%wZ\n",&MyuProcessName,&uProcessName);
if(RtlCompareUnicodeString(&uProcessName,&MyuProcessName, TRUE) == 0) //不区分大小写的对比！
{
DbgPrint("call NtReadVirtualMemory by explorer process\n"); //排除explorer调用NtReadVirtualMemory来读取自己内存的情况
goto Next;
}
DbgPrint("call NtReadVirtualMemory by other process %d\n",PsGetCurrentProcessId());
//排除了自己对自己的内存操作，桌面进程对所关心的进程的操作之外，其他的一切进程对多关心的进程进行操作，一律pass
ret = ((NTREADVIRTUALMEMORY)(OldNtReadVirtualMemory))(
ProcessHandle,
BaseAddress,
L"Is By PopSky", //自定义的垃圾数据
BufferLength,
ReturnLength
);
return ret;
}
}
Next:
ret = ((NTREADVIRTUALMEMORY)(OldNtReadVirtualMemory))(
ProcessHandle,
BaseAddress,
Buffer,
BufferLength,
ReturnLength
);
return ret;
}
///////////////////////////////////////////////////////////////// -- --
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++// -- - - --
//+ +// -- - - --
//+ 下面2个函数用于得到部分SDT函数的地址 +// -- - --
//+ +// - sudami -
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++// -- --
///////////////////////////////////////////////////////////////// -- --
// -- --
// --
DWORD GetDllFunctionAddress (
char* lpFunctionName,
PUNICODE_STRING pDllName
)
{
HANDLE hThread, hSection, hFile, hMod;
SECTION_IMAGE_INFORMATION sii;
IMAGE_DOS_HEADER* dosheader;
IMAGE_OPTIONAL_HEADER* opthdr;
IMAGE_EXPORT_DIRECTORY* pExportTable;
DWORD* arrayOfFunctionAddresses;
DWORD* arrayOfFunctionNames;
WORD* arrayOfFunctionOrdinals;
DWORD functionOrdinal;
DWORD Base, x, functionAddress;
char* functionName;
STRING ntFunctionName, ntFunctionNameSearch;
PVOID BaseAddress = NULL;
SIZE_T size=0;
OBJECT_ATTRIBUTES oa = {sizeof oa, 0, pDllName, OBJ_CASE_INSENSITIVE};
IO_STATUS_BLOCK iosb;
//_asm int 3;
ZwOpenFile(&hFile, FILE_EXECUTE | SYNCHRONIZE, &oa, &iosb, FILE_SHARE_READ, FILE_SYNCHRONOUS_IO_NONALERT);
oa.ObjectName = 0;
ZwCreateSection(&hSection, SECTION_ALL_ACCESS, &oa, 0,PAGE_EXECUTE, SEC_IMAGE, hFile);
ZwMapViewOfSection(hSection, NtCurrentProcess(), &BaseAddress, 0, 1000, 0, &size, (SECTION_INHERIT)1, MEM_TOP_DOWN, PAGE_READWRITE);
ZwClose(hFile);
hMod = BaseAddress;
dosheader = (IMAGE_DOS_HEADER *)hMod;
opthdr =(IMAGE_OPTIONAL_HEADER *) ((BYTE*)hMod+dosheader->e_lfanew+24);
pExportTable =(IMAGE_EXPORT_DIRECTORY*)((BYTE*) hMod + opthdr->DataDirectory[ IMAGE_DIRECTORY_ENTRY_EXPORT]. VirtualAddress);
arrayOfFunctionAddresses = (DWORD*)( (BYTE*)hMod + pExportTable->AddressOfFunctions);
arrayOfFunctionNames = (DWORD*)( (BYTE*)hMod + pExportTable->AddressOfNames);
arrayOfFunctionOrdinals = (WORD*)( (BYTE*)hMod + pExportTable->AddressOfNameOrdinals);
Base = pExportTable->Base;
RtlInitString(&ntFunctionNameSearch, lpFunctionName);
for(x = 0; x < pExportTable->NumberOfFunctions; x++) {
functionName = (char*)( (BYTE*)hMod + arrayOfFunctionNames[x]);
RtlInitString(&ntFunctionName, functionName);
functionOrdinal = arrayOfFunctionOrdinals[x] + Base - 1;
functionAddress = (DWORD)( (BYTE*)hMod + arrayOfFunctionAddresses[functionOrdinal]);
if (RtlCompareString(&ntFunctionName, &ntFunctionNameSearch, TRUE) == 0) {
ZwClose(hSection);
return functionAddress;
}
}
ZwClose(hSection);
return 0;
}
VOID IoTimeRoutine(
IN PDEVICE_OBJECT DeviceObject,
IN PVOID Context )
{
int cnt = 0;
DbgPrint("IoTimerRoutine() is Called!\n");
}
NTSTATUS
DispatchCreate(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
{
NTSTATUS status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
//dprintf("[KsBinSword] IRP_MJ_CREATE\n");
Irp->IoStatus.Status = status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
NTSTATUS
DispatchClose(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
{
NTSTATUS status = STATUS_SUCCESS;
//DbgBreakPoint();
Irp->IoStatus.Information = 0;
//dprintf("[KsBinSword] IRP_MJ_CLOSE\n");
Irp->IoStatus.Status = status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
NTSTATUS
DispatchDeviceControl(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
{
NTSTATUS status = STATUS_SUCCESS;
ULONG controlCode;
PIO_STACK_LOCATION irpStack;
HANDLE hEvent;
OBJECT_HANDLE_INFORMATION objHandleInfo;
ULONG outputLength, inputLength;
PVOID inputBuffer;
irpStack = IoGetCurrentIrpStackLocation(Irp);
outputLength = irpStack->Parameters.DeviceIoControl.OutputBufferLength;
inputLength=irpStack->Parameters.DeviceIoControl.InputBufferLength;
controlCode = irpStack->Parameters.DeviceIoControl.IoControlCode;
switch(controlCode)
{
case IO_PROTECT:
dwTargetProcessID = (HANDLE)irpStack->Parameters.DeviceIoControl.Type3InputBuffer;
break;
default:
break;
}
Irp->IoStatus.Status = STATUS_SUCCESS;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
// 驱动入口
NTSTATUS DriverEntry( IN PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath )
{
NTSTATUS ntStatus = STATUS_SUCCESS;
PDEVICE_OBJECT Device;
UNICODE_STRING DeviceName, DeviceLink; //设备名，符号链接名
DbgPrint("[MyDriver] DriverEntry\n");
RtlInitUnicodeString(&DeviceName, L"\\Device\\MyDriver"); //初始化设备名
RtlInitUnicodeString(&DeviceLink, L"\\DosDevices\\MyDriver"); //初始化符号链接名
/* IoCreateDevice 生成设备对象 */
ntStatus = IoCreateDevice(DriverObject, //生成设备的驱动对象
0, //设备扩展区内存大小
&DeviceName, //设备名，\Device\MyDriver
FILE_DEVICE_UNKNOWN, //设备类型
0, //填写0即可
FALSE, //必须为FALSE
&Device); //设备对象指针返回到DeviceObject中
if (!NT_SUCCESS(ntStatus))
{
DbgPrint("[MyDriver] IoCreateDevice FALSE: %.8X\n", ntStatus);
return ntStatus; //生成失败就返回
}
else
DbgPrint("[MyDriver] IoCreateDevice SUCCESS\n");
/* IoCreateSymbolicLink 生成符号链接 */
ntStatus = IoCreateSymbolicLink(&DeviceLink, &DeviceName);
if (!NT_SUCCESS(ntStatus))
{
DbgPrint("[MyDriver] IoCreateSymbolicLink FALSE: %.8X\n", ntStatus);
IoDeleteDevice(Device); //删除设备
return ntStatus;
}
else
DbgPrint("[MyDriver] IoCreateSymbolicLink SUCCESS\n");
Device->Flags &= ~DO_DEVICE_INITIALIZING; //设备初始化完成标记
DriverObject->MajorFunction[IRP_MJ_CREATE] = DispatchCreate;
DriverObject->MajorFunction[IRP_MJ_CLOSE] = DispatchClose;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = DispatchDeviceControl;
DriverObject->DriverUnload = OnUnload;
Hook(); //SSDT hook
return ntStatus;
}
// 驱动卸载
VOID OnUnload(IN PDRIVER_OBJECT DriverObject)
{
UNICODE_STRING dosDeviceName;
Unhook();
RtlInitUnicodeString(&dosDeviceName, L"\\DosDevices\\MyDriver");
IoDeleteSymbolicLink(&dosDeviceName);
if (DriverObject->DeviceObject != NULL)
{
IoDeleteDevice(DriverObject->DeviceObject); //删除设备
}
}
// 此处修改SSDT中的NtCreateFile服务地址
VOID Hook()
{
UNICODE_STRING dllName;
DWORD functionAddress;
DWORD NtOpenProcessAddress;
DWORD NtWriteVirtualMemoryAddress;
int position;
int NtOpenProcessposition;
int NtWriteVirtualMemoryposinion;
PDEVICE_OBJECT pDeviceObject = NULL;
RtlInitUnicodeString( &dllName, L"\\Device\\HarddiskVolume1\\Windows\\System32\\ntdll.dll" );
//获取NtReadVirtualMemory的服务号完毕！
functionAddress = GetDllFunctionAddress("NtReadVirtualMemory", &dllName);
NtOpenProcessAddress = GetDllFunctionAddress("NtOpenProcess", &dllName);
NtWriteVirtualMemoryAddress = GetDllFunctionAddress("NtWriteVirtualMemory", &dllName);
position = *((WORD*)( functionAddress + 1 ));
NtOpenProcessposition = *((WORD*)( NtOpenProcessAddress + 1 ));
NtWriteVirtualMemoryposinion = *((WORD*)( NtWriteVirtualMemoryAddress + 1 ));
pos_ReadVirtualMemory = position;
pos_NtOpenProcess = NtOpenProcessposition;
pos_NtWriteVirtualMemory = NtWriteVirtualMemoryposinion;
//>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
OldNtReadVirtualMemory = (NTREADVIRTUALMEMORY) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_ReadVirtualMemory)); //得到NtReadVirtualMemory函数的原始地址
OldNtOpenProcess = (ZWCREATEFILE) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_NtOpenProcess));
OldNtWriteVitualMemory = (NTWRITEVIRTUALMEMORY) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_NtWriteVirtualMemory));
DbgPrint( "Address of Real OldNtReadVirtualMemory: 0x%08X\n", OldNtReadVirtualMemory );
// 去掉内存保护
__asm
{
cli
mov eax, cr0
and eax, not 10000h
mov cr0, eax
}
(NTREADVIRTUALMEMORY) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_ReadVirtualMemory)) = NewNtReadVirtualMemory;
(ZWCREATEFILE) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_NtOpenProcess)) = NewNtOpenProcess;//SSDT HOOK NtReadVirtualMemory
(NTWRITEVIRTUALMEMORY) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_NtWriteVirtualMemory)) = NewNtWriteVirtualMemory;
DbgPrint(" Address of NewNtReadVirtualMemory: 0x%08X\n", NewNtReadVirtualMemory );
// 恢复内存保护
__asm
{
mov eax, cr0
or eax, 10000h
mov cr0, eax
sti
}
}
//////////////////////////////////////////////////////
VOID Unhook()
{
__asm
{
cli
mov eax, cr0
and eax, not 10000h
mov cr0, eax
}
// 还原SSDT
(NTREADVIRTUALMEMORY) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_ReadVirtualMemory)) = OldNtReadVirtualMemory;
(ZWCREATEFILE) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_NtOpenProcess)) = OldNtOpenProcess;
(NTWRITEVIRTUALMEMORY) (*(((PServiceDescriptorTableEntry)KeServiceDescriptorTable)->ServiceTableBase + pos_NtWriteVirtualMemory)) = OldNtWriteVitualMemory;
__asm
{
mov eax, cr0
or eax, 10000h
mov cr0, eax
sti
}
DbgPrint("Unhook");
}
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