mirror-ac/driver/ioctl.c
2023-10-11 04:49:17 +11:00

410 lines
No EOL
10 KiB
C

#include "ioctl.h"
#include "modules.h"
#include "driver.h"
#include "callbacks.h"
#include "pool.h"
#include "integrity.h"
#include "thread.h"
#include "queue.h"
#include "hv.h"
STATIC
NTSTATUS
DispatchApcOperation(
_In_ PAPC_OPERATION_ID Operation);
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, DispatchApcOperation)
#pragma alloc_text(PAGE, DeviceControl)
#pragma alloc_text(PAGE, DeviceClose)
#pragma alloc_text(PAGE, DeviceCreate)
#endif
#define IOCCTL_RUN_NMI_CALLBACKS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2001, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VALIDATE_DRIVER_OBJECTS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2002, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_NOTIFY_DRIVER_ON_PROCESS_LAUNCH CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2004, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_HANDLE_REPORTS_IN_CALLBACK_QUEUE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2005, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_PERFORM_VIRTUALIZATION_CHECK CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2006, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_ENUMERATE_HANDLE_TABLES CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2007, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_RETRIEVE_MODULE_EXECUTABLE_REGIONS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2008, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_REQUEST_TOTAL_MODULE_SIZE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2009, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_NOTIFY_DRIVER_ON_PROCESS_TERMINATION CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2010, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_SCAN_FOR_UNLINKED_PROCESS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2011, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VALIDATE_KPRCB_CURRENT_THREAD CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2012, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_PERFORM_INTEGRITY_CHECK CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2013, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_DETECT_ATTACHED_THREADS CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2014, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_VALIDATE_PROCESS_LOADED_MODULE CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2015, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_REQUEST_HARDWARE_INFORMATION CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2016, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_INITIATE_APC_OPERATION CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2017, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_CHECK_FOR_EPT_HOOK CTL_CODE(FILE_DEVICE_UNKNOWN, 0x2018, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define APC_OPERATION_STACKWALK 0x1
STATIC
NTSTATUS
DispatchApcOperation(
_In_ PAPC_OPERATION_ID Operation
)
{
PAGED_CODE();
NTSTATUS status;
switch (Operation->operation_id)
{
case APC_OPERATION_STACKWALK:
DEBUG_LOG("Initiating APC stackwalk operation with operation id %i", Operation->operation_id);
status = ValidateThreadsViaKernelApc();
if (!NT_SUCCESS(status))
DEBUG_ERROR("ValidateThreadsViaKernelApc failed with status %x", status);
return status;
default:
DEBUG_ERROR("Invalid operation ID passed");
return STATUS_INVALID_PARAMETER;
}
return status;
}
//_Dispatch_type_(IRP_MJ_SYSTEM_CONTROL)
NTSTATUS
DeviceControl(
_In_ PDRIVER_OBJECT DriverObject,
_Inout_ PIRP Irp
)
{
UNREFERENCED_PARAMETER(DriverObject);
PAGED_CODE();
NTSTATUS status = STATUS_SUCCESS;
PIO_STACK_LOCATION stack_location = IoGetCurrentIrpStackLocation(Irp);
HANDLE handle;
PKTHREAD thread = NULL;
BOOLEAN security_flag = FALSE;
/*
* LMAO
*/
//ReadProcessInitialisedConfigFlag(&security_flag);
//if (security_flag == FALSE &&
// stack_location->Parameters.DeviceIoControl.IoControlCode != IOCTL_NOTIFY_DRIVER_ON_PROCESS_LAUNCH)
//{
// status = STATUS_ACCESS_DENIED;
// goto end;
//}
switch (stack_location->Parameters.DeviceIoControl.IoControlCode)
{
case IOCCTL_RUN_NMI_CALLBACKS:
status = HandleNmiIOCTL(Irp);
if (!NT_SUCCESS(status))
DEBUG_ERROR("RunNmiCallbacks failed with status %lx", status);
break;
case IOCTL_VALIDATE_DRIVER_OBJECTS:
/*
* The reason this function is run in a new thread and not the thread
* issuing the IOCTL is because ZwOpenDirectoryObject issues a
* user mode handle if called on the user mode thread calling DeviceIoControl.
* This is a problem because when we pass said handle to ObReferenceObjectByHandle
* it will issue a bug check under windows driver verifier.
*/
status = PsCreateSystemThread(
&handle,
PROCESS_ALL_ACCESS,
NULL,
NULL,
NULL,
HandleValidateDriversIOCTL,
Irp
);
if (!NT_SUCCESS(status))
{
DEBUG_ERROR("Failed to start thread to validate system drivers");
goto end;
}
/*
* Thread objects are a type of dispatcher object, meaning when they are freed
* its set to the signal state and any waiters will be signalled. This allows
* us to wait til our threads terminated and the IRP buffer has been either filled
* or left empty and then from there we can complete the IRP and return.
*/
status = ObReferenceObjectByHandle(
handle,
THREAD_ALL_ACCESS,
*PsThreadType,
KernelMode,
&thread,
NULL
);
if (!NT_SUCCESS(status))
{
DEBUG_ERROR("ObReferenceObjectbyhandle failed with status %lx", status);
ZwClose(handle);
goto end;
}
KeWaitForSingleObject(thread, Executive, KernelMode, FALSE, NULL);
ZwClose(handle);
ObDereferenceObject(thread);
break;
case IOCTL_NOTIFY_DRIVER_ON_PROCESS_LAUNCH:;
status = ProcLoadInitialiseProcessConfig(Irp);
if (!NT_SUCCESS(status))
{
DEBUG_ERROR("Failed to initialise driver config on proc launch with status %x", status);
goto end;
}
status = ProcLoadEnableObCallbacks();
if (!NT_SUCCESS(status))
DEBUG_ERROR("InitiateDriverCallbacks failed with status %x", status);
break;
case IOCTL_HANDLE_REPORTS_IN_CALLBACK_QUEUE:
status = QueryActiveApcContextsForCompletion();
if (!NT_SUCCESS(status))
DEBUG_ERROR("QueryActiveApcContextsForCompletion filed with status %x", status);
status = HandlePeriodicGlobalReportQueueQuery(Irp);
if (!NT_SUCCESS(status))
DEBUG_ERROR("Failed to handle period callback report queue");
break;
case IOCTL_PERFORM_VIRTUALIZATION_CHECK:
status = PerformVirtualizationDetection(Irp);
if (!NT_SUCCESS(status))
DEBUG_ERROR("PerformVirtualizationDetection failed with status %x", status);
break;
case IOCTL_ENUMERATE_HANDLE_TABLES:
/* can maybe implement this better so we can extract a status value */
EnumerateProcessListWithCallbackRoutine(
EnumerateProcessHandles,
NULL
);
break;
case IOCTL_RETRIEVE_MODULE_EXECUTABLE_REGIONS:
status = PsCreateSystemThread(
&handle,
PROCESS_ALL_ACCESS,
NULL,
NULL,
NULL,
RetrieveInMemoryModuleExecutableSections,
Irp
);
if (!NT_SUCCESS(status))
{
DEBUG_ERROR("Failed to start system thread to get executable regions");
goto end;
}
status = ObReferenceObjectByHandle(
handle,
THREAD_ALL_ACCESS,
*PsThreadType,
KernelMode,
&thread,
NULL
);
if (!NT_SUCCESS(status))
{
DEBUG_ERROR("ObReferenceObjectbyhandle failed with status %lx", status);
ZwClose(handle);
goto end;
}
KeWaitForSingleObject(thread, Executive, KernelMode, FALSE, NULL);;
ZwClose(handle);
ObDereferenceObject(thread);
if (!NT_SUCCESS(status))
DEBUG_ERROR("Failed to retrieve executable regions");
break;
case IOCTL_REQUEST_TOTAL_MODULE_SIZE:
status = GetDriverImageSize(Irp);
if (!NT_SUCCESS(status))
DEBUG_ERROR("Failed to retrieve driver image size");
break;
case IOCTL_NOTIFY_DRIVER_ON_PROCESS_TERMINATION:
ProcCloseClearProcessConfiguration();
ProcCloseDisableObCallbacks();
break;
case IOCTL_SCAN_FOR_UNLINKED_PROCESS:
status = FindUnlinkedProcesses(Irp);
if (!NT_SUCCESS(status))
DEBUG_ERROR("FindUNlinekdProcesses failed with status %x", status);
break;
case IOCTL_VALIDATE_KPRCB_CURRENT_THREAD:
ValidateKPCRBThreads(Irp);
break;
case IOCTL_PERFORM_INTEGRITY_CHECK:
status = VerifyInMemoryImageVsDiskImage();
if (!NT_SUCCESS(status))
DEBUG_ERROR("VerifyInMemoryImageVsDisk failed with status %x", status);
break;
case IOCTL_DETECT_ATTACHED_THREADS:
DetectThreadsAttachedToProtectedProcess();
break;
case IOCTL_VALIDATE_PROCESS_LOADED_MODULE:
status = ValidateProcessLoadedModule(Irp);
if (!NT_SUCCESS(status))
DEBUG_ERROR("ValidateProcessLoadedModule failed with status %x", status);
break;
case IOCTL_REQUEST_HARDWARE_INFORMATION:;
PSYSTEM_INFORMATION system_information = NULL;
GetDriverConfigSystemInformation(&system_information);
if (system_information == NULL)
{
DEBUG_ERROR("GetDriverConfigSystemInformation failed");
goto end;
}
Irp->IoStatus.Information = sizeof(SYSTEM_INFORMATION);
RtlCopyMemory(
Irp->AssociatedIrp.SystemBuffer,
system_information,
sizeof(SYSTEM_INFORMATION)
);
break;
case IOCTL_INITIATE_APC_OPERATION:;
PAPC_OPERATION_ID operation = (PAPC_OPERATION_ID)Irp->AssociatedIrp.SystemBuffer;
status = DispatchApcOperation(operation);
if (!NT_SUCCESS(status))
DEBUG_ERROR("DispatchApcOperation failed with status %x", status);
break;
case IOCTL_CHECK_FOR_EPT_HOOK:
status = DetectEptHooksInKeyFunctions();
if (!NT_SUCCESS(status))
DEBUG_ERROR("DetectEpthooksInKeyFunctions failed with status %x", status);
break;
default:
DEBUG_ERROR("Invalid IOCTL passed to driver");
status = STATUS_INVALID_PARAMETER;
break;
}
end:
Irp->IoStatus.Status = status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return status;
}
_Dispatch_type_(IRP_MJ_CLOSE)
NTSTATUS
DeviceClose(
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
PAGED_CODE();
UNREFERENCED_PARAMETER(DeviceObject);
DEBUG_LOG("Handle closed to DonnaAC");
/*
* For now its fine, but this will need to be moved to our process load callbacks
* since right now anyone can open a handle to our driver and then close it lol
*/
/* we also lose reports here, so sohuld pass em into the irp before freeing */
FreeGlobalReportQueueObjects();
ProcCloseClearProcessConfiguration();
ProcCloseDisableObCallbacks();
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Irp->IoStatus.Status;
}
_Dispatch_type_(IRP_MJ_CREATE)
NTSTATUS
DeviceCreate(
_In_ PDEVICE_OBJECT DeviceObject,
_Inout_ PIRP Irp
)
{
PAGED_CODE();
DEBUG_LOG("Handle opened to DonnaAC");
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Irp->IoStatus.Status;
}