mirror of
https://github.com/JKornev/hidden
synced 2024-06-28 18:02:15 +00:00
134 lines
3.6 KiB
C
134 lines
3.6 KiB
C
#include <fltKernel.h>
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#include <Ntddk.h>
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#include "ExcludeList.h"
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#include "RegFilter.h"
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#include "FsFilter.h"
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#include "PsMonitor.h"
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#include "Device.h"
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#include "Driver.h"
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#include "Configs.h"
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#include "Helper.h"
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#define DRIVER_ALLOC_TAG 'nddH'
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PDRIVER_OBJECT g_driverObject = NULL;
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volatile LONG g_driverActive = FALSE;
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// =========================================================================================
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VOID EnableDisableDriver(BOOLEAN enabled)
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{
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InterlockedExchange(&g_driverActive, (LONG)enabled);
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}
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BOOLEAN IsDriverEnabled()
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{
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return (g_driverActive ? TRUE : FALSE);
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}
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// =========================================================================================
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ULONGLONG g_hiddenRegConfigId = 0;
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ULONGLONG g_hiddenDriverFileId = 0;
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NTSTATUS InitializeStealthMode(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
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{
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PLDR_DATA_TABLE_ENTRY LdrEntry;
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UNICODE_STRING normalized;
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NTSTATUS status;
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if (!CfgGetStealthState())
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return STATUS_SUCCESS;
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LdrEntry = (PLDR_DATA_TABLE_ENTRY)DriverObject->DriverSection;
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normalized.Length = 0;
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normalized.MaximumLength = LdrEntry->FullModuleName.Length + NORMALIZE_INCREAMENT;
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normalized.Buffer = (PWCH)ExAllocatePoolWithQuotaTag(PagedPool, normalized.MaximumLength, DRIVER_ALLOC_TAG);
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if (!normalized.Buffer)
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{
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DbgPrint("FsFilter1!" __FUNCTION__ ": error, can't allocate buffer\n");
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return STATUS_MEMORY_NOT_ALLOCATED;
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}
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status = NormalizeDevicePath(&LdrEntry->FullModuleName, &normalized);
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if (!NT_SUCCESS(status))
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{
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DbgPrint("FsFilter1!" __FUNCTION__ ": path normalization failed with code:%08x, path:%wZ\n", status, &LdrEntry->FullModuleName);
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ExFreePoolWithTag(normalized.Buffer, DRIVER_ALLOC_TAG);
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return status;
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}
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status = AddHiddenFile(&normalized, &g_hiddenDriverFileId);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": can't hide self registry key\n");
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ExFreePoolWithTag(normalized.Buffer, DRIVER_ALLOC_TAG);
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status = AddHiddenRegKey(RegistryPath, &g_hiddenRegConfigId);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": can't hide self registry key\n");
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return STATUS_SUCCESS;
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}
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// =========================================================================================
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_Function_class_(DRIVER_UNLOAD)
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VOID DriverUnload(PDRIVER_OBJECT DriverObject)
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{
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UNREFERENCED_PARAMETER(DriverObject);
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DestroyDevice();
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DestroyRegistryFilter();
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DestroyFSMiniFilter();
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DestroyPsMonitor();
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}
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_Function_class_(DRIVER_INITIALIZE)
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NTSTATUS DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
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{
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NTSTATUS status;
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UNREFERENCED_PARAMETER(RegistryPath);
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EnableDisableDriver(TRUE);
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status = InitializeConfigs(RegistryPath);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": can't initialize configs\n");
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EnableDisableDriver(CfgGetDriverState());
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status = InitializePsMonitor(DriverObject);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": object monitor didn't start\n");
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status = InitializeFSMiniFilter(DriverObject);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": file-system mini-filter didn't start\n");
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status = InitializeRegistryFilter(DriverObject);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": registry filter didn't start\n");
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status = InitializeDevice(DriverObject);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": can't create device\n");
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status = InitializeStealthMode(DriverObject, RegistryPath);
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if (!NT_SUCCESS(status))
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DbgPrint("FsFilter1!" __FUNCTION__ ": can't activate stealth mode\n");
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DestroyConfigs();
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DriverObject->DriverUnload = DriverUnload;
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g_driverObject = DriverObject;
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return STATUS_SUCCESS;
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}
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