參考資訊:
https://wasm.in/
http://four-f.narod.ru/
https://github.com/steward-fu/ddk
main.c
#include <wdm.h>
#define IOCTL_START CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_STOP CTL_CODE(FILE_DEVICE_UNKNOWN, 0x801, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define DEV_NAME L"\\Device\\MyDriver"
#define SYM_NAME L"\\DosDevices\\MyDriver"
PVOID pThread = NULL;
volatile BOOLEAN bExit = FALSE;
PDEVICE_OBJECT pNextDevice = NULL;
VOID MyThread(PVOID pParam)
{
LARGE_INTEGER stTime;
stTime.HighPart |= -1;
stTime.LowPart = -10000000;
DbgPrint("Current process: %s", (char*)((ULONG)IoGetCurrentProcess() + 0x174));
while (bExit != TRUE) {
KeDelayExecutionThread(KernelMode, FALSE, &stTime);
DbgPrint("Sleep 1s");
}
DbgPrint("Exit MyThread");
PsTerminateSystemThread(STATUS_SUCCESS);
}
NTSTATUS AddDevice(PDRIVER_OBJECT pMyDriver, PDEVICE_OBJECT pPhyDevice)
{
PDEVICE_OBJECT pMyDevice = NULL;
UNICODE_STRING usDeviceName = { 0 };
UNICODE_STRING usSymbolName = { 0 };
RtlInitUnicodeString(&usDeviceName, DEV_NAME);
IoCreateDevice(pMyDriver, 0, &usDeviceName, FILE_DEVICE_UNKNOWN, 0, FALSE, &pMyDevice);
RtlInitUnicodeString(&usSymbolName, SYM_NAME);
IoCreateSymbolicLink(&usSymbolName, &usDeviceName);
pNextDevice = IoAttachDeviceToDeviceStack(pMyDevice, pPhyDevice);
pMyDevice->Flags &= ~DO_DEVICE_INITIALIZING;
pMyDevice->Flags |= DO_BUFFERED_IO;
return STATUS_SUCCESS;
}
void Unload(PDRIVER_OBJECT pMyDriver)
{
pMyDriver = pMyDriver;
}
NTSTATUS IrpPnp(PDEVICE_OBJECT pMyDevice, PIRP pIrp)
{
UNICODE_STRING usSymbolName = { 0 };
PIO_STACK_LOCATION pStack = IoGetCurrentIrpStackLocation(pIrp);
if (pStack->MinorFunction == IRP_MN_REMOVE_DEVICE) {
RtlInitUnicodeString(&usSymbolName, SYM_NAME);
IoDeleteSymbolicLink(&usSymbolName);
IoDetachDevice(pNextDevice);
IoDeleteDevice(pMyDevice);
IoCompleteRequest(pIrp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
IoSkipCurrentIrpStackLocation(pIrp);
return IoCallDriver(pNextDevice, pIrp);
}
NTSTATUS IrpIOCTL(PDEVICE_OBJECT pMyDevice, PIRP pIrp)
{
HANDLE hThread = NULL;
NTSTATUS status = STATUS_SUCCESS;
PIO_STACK_LOCATION pStack = IoGetCurrentIrpStackLocation(pIrp);
switch (pStack->Parameters.DeviceIoControl.IoControlCode) {
case IOCTL_START:
DbgPrint("IOCTL_START");
bExit = FALSE;
// User Thread
status = PsCreateSystemThread(&hThread, THREAD_ALL_ACCESS, NULL, (PHANDLE)-1, NULL, MyThread, (PVOID)pMyDevice);
// System Thread
//status = PsCreateSystemThread(&hThread, THREAD_ALL_ACCESS, NULL, NULL, NULL, MyThread, pMyDevice);
if (status == STATUS_SUCCESS) {
ObReferenceObjectByHandle(hThread, THREAD_ALL_ACCESS, NULL, KernelMode, &pThread, NULL);
ZwClose(hThread);
}
break;
case IOCTL_STOP:
DbgPrint("IOCTL_STOP");
bExit = TRUE;
if (pThread != NULL) {
KeWaitForSingleObject(pThread, Executive, KernelMode, FALSE, NULL);
ObDereferenceObject(pThread);
}
break;
}
pIrp->IoStatus.Information = 0;
pIrp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(pIrp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
NTSTATUS IrpFile(PDEVICE_OBJECT pMyDevice, PIRP pIrp)
{
PIO_STACK_LOCATION pStack = IoGetCurrentIrpStackLocation(pIrp);
switch (pStack->MajorFunction) {
case IRP_MJ_CREATE:
DbgPrint("IRP_MJ_CREATE");
break;
case IRP_MJ_CLOSE:
DbgPrint("IRP_MJ_CLOSE");
break;
}
IoCompleteRequest(pIrp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
NTSTATUS DriverEntry(PDRIVER_OBJECT pMyDriver, PUNICODE_STRING pMyRegistry)
{
pMyDriver->MajorFunction[IRP_MJ_PNP] = IrpPnp;
pMyDriver->MajorFunction[IRP_MJ_CREATE] = IrpFile;
pMyDriver->MajorFunction[IRP_MJ_CLOSE] = IrpFile;
pMyDriver->MajorFunction[IRP_MJ_DEVICE_CONTROL] = IrpIOCTL;
pMyDriver->DriverExtension->AddDevice = AddDevice;
pMyDriver->DriverUnload = Unload;
return STATUS_SUCCESS;
}
app.c
#include <windows.h>
#include <winioctl.h>
#include <stdio.h>
#include <stdlib.h>
#define IOCTL_START CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_STOP CTL_CODE(FILE_DEVICE_UNKNOWN, 0x801, METHOD_BUFFERED, FILE_ANY_ACCESS)
int main(int argc, char **argv)
{
DWORD dwRet = 0;
HANDLE hFile = NULL;
hFile = CreateFile("\\\\.\\MyDriver", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
DeviceIoControl(hFile, IOCTL_START, NULL, 0, NULL, 0, &dwRet, NULL);
Sleep(3000);
DeviceIoControl(hFile, IOCTL_STOP, NULL, 0, NULL, 0, &dwRet, NULL);
CloseHandle(hFile);
return 0;
}
完成
