NTSTATUS 
NTAPI
studZwSetInformationFile(
    IN HANDLE  FileHandle,
    OUT PIO_STATUS_BLOCK  IoStatusBlock,
    IN PVOID  FileInformation,
    IN ULONG  Length,
    IN FILE_INFORMATION_CLASS  FileInformationClass
    )
{
    NTSTATUS        status = STATUS_UNSUCCESSFUL;
    BOOLEAN         bProtect = FALSE;
    PWSTR           NewQQPathDir = NULL;
 
    bProtect = CheckAndRecordRenameInfor(
                    FileHandle,
                    IoStatusBlock,
                    FileInformation,
                    Length,
                    FileInformationClass,
                    &NewQQPathDir );
    if( bProtect )
    {
        status = STATUS_ACCESS_DENIED;
        goto exit;
    }
    else
    {
        PZWSETINFORMATIONFILE OrgFuncAddr = (PZWSETINFORMATIONFILE)
            g_BaseHookTbl[ BaseHookId_ZwSetInformationFile ].OriginalFuncAddress;
        if( !OrgFuncAddr || !MmIsAddressValid( OrgFuncAddr))
        {
            if( g_Org_Ssdt_Func_table != NULL &&
                (LONG)g_BaseHookTbl[ BaseHookId_ZwSetInformationFile ].IndexInSsdt >= 0 &&
                g_BaseHookTbl[ BaseHookId_ZwSetInformationFile ].IndexInSsdt < KeServiceDescriptorTable.NumberOfServices)
            {
                OrgFuncAddr = (PZWSETINFORMATIONFILE)g_Org_Ssdt_Func_table[ g_BaseHookTbl[ BaseHookId_ZwSetInformationFile ].IndexInSsdt];
                if( !OrgFuncAddr )
                    OrgFuncAddr = (PZWSETINFORMATIONFILE)g_BaseHookTbl[ BaseHookId_ZwSetInformationFile ].OriginalFuncAddress;
            }
        }
        status = OrgFuncAddr( FileHandle,
                    IoStatusBlock,
                    FileInformation,
                    Length,
                    FileInformationClass);
 
        if( FileInformationClass = FileRenameInformation && NT_SUCCESS( status ))
        {
            if( !NewQQPathDir )
                return status;
            SetNewQQPathAndProtectExePathInReg( NewQQPathDir );
        }
    }//end if  bProtec else
 
 
exit:
    if( NewQQPathDir )
        ExFreePool( NewQQPathDir );
 
    return status;
}

BOOLEAN
NTAPI
CheckAndRecordRenameInfor(
    IN HANDLE  FileHandle,
    OUT PIO_STATUS_BLOCK  IoStatusBlock,
    IN PVOID  FileInformation,
    IN ULONG  Length,
    IN FILE_INFORMATION_CLASS  FileInformationClass,
    OUT PWSTR   *NewQQPathDir)
/*++
 
NOTE:
    the caller must call ExFreePool to free the memory that returned by NewQQPathDir
--*/
{
    WCHAR               FileName[MAX_UNICODE_STRING_CHARS + 1 ] = {0};
    IO_STATUS_BLOCK     ioStatusBlock = {0};
    FILE_STANDARD_INFORMATION FileInfor = {0};
    HANDLE              hFile = 0;
    BOOLEAN             bResult = FALSE;
    ULONG               chars = 0,bytes = 0,current_pid = 0;
    REGISTRY_DB_HELPER_DATA HelperData = {0};
 
    if( !g_bFileMon ||
        !(g_GlobalControlBlock.MonFlag & 0x10) ||
        ( FileInformationClass != FileRenameInformation &&
           FileInformationClass != FileLinkInformation &&
           FileInformationClass != FileDispositionInformation &&
           FileInformationClass != FileAllocationInformation) ||
        ExGetPreviousMode() == KernelMode ||
        FileHandle == 0 ||
        IsProcessInList5AndBelievable( current_pid = (ULONG)PsGetCurrentProcessId(),6,NULL )
      )
    {
        goto exit;
    }
 
    if( !NT_SUCCESS( DuplicateHandle( FileHandle,*IoFileObjectType,&hFile)))
        goto exit;
    if( !NT_SUCCESS( ZwQueryInformationFile( hFile,
                                             &ioStatusBlock,
                                             &FileInfor,
                                             sizeof(FileInfor),
                                             FileStandardInformation)))
        goto exit;
    if( FileInfor.DeletePending == TRUE )
        goto exit;
 
    bResult = GetFileDosDeviceNameByHandle( FileHandle,FileName,MAX_UNICODE_STRING_CHARS);
    if( !bResult )
        goto exit;
 
    AdjustPathString( FileName,MAX_UNICODE_STRING_CHARS );
    chars = wcslen( FileName );
    if( FileName[ chars - 1 ] == L'\\')
        FileName[ chars - 1 ] = L'\0';
 
    __try{
    HelperData.Unknown2 = 4;
    HelperData.Flags = FileInformationClass;
    HelperData.Pid = current_pid;
    bResult = IsFileNameProtectedFile( FileName,MAX_UNICODE_STRING_CHARS,0,&HelperData);
    }__except( EXCEPTION_EXECUTE_HANDLER )
    {
        KdPrint(("Exception occurred in CheckAndRecordRenameInfor 1 \n"));
    }
 
    if( bResult || 
        FileInformationClass != FileRenameInformation ||
        FileInformation == NULL )
        goto exit;
 
    __try{
    VerifyAndHashMemory( FileInformation,sizeof(FILE_RENAME_INFORMATION),4 );
    bytes = ((PFILE_RENAME_INFORMATION)FileInformation)->FileNameLength;
    if( bytes )
    {
        VerifyAndHashMemory( ((PFILE_RENAME_INFORMATION)FileInformation)->FileName,
                              bytes,
                              sizeof(WCHAR));
        if( !IsFileDirectory( hFile ) ||
            !(bResult = IsDirectoryInQQSubBinDirTbl( FileName,MAX_UNICODE_STRING_CHARS)) &&
            !(bResult = IsDirectoryInMyProtectedDataFileDir(
                ((PFILE_RENAME_INFORMATION)FileInformation)->FileName,bytes / sizeof(WCHAR)))
        )
        {
            AdjustPathString( ((PFILE_RENAME_INFORMATION)FileInformation)->FileName,
                                (USHORT)(bytes / sizeof(WCHAR)));
            MakeNewQQPathDir( FileName,
                              ((PFILE_RENAME_INFORMATION)FileInformation)->FileName,
                              bytes / sizeof(WCHAR),
                              NewQQPathDir );
        }
    }//end if bytes
    }__except(EXCEPTION_EXECUTE_HANDLER )
    {
        KdPrint(("Exception occurred in CheckAndRecordRenameInfor 2 \n"));
    }
 
exit:
    if( hFile )
    {
        ZwClose( hFile );
        hFile = 0;
    }
    if( bResult )
        RecordRequestFileInfor( 6,current_pid,FileName,MAX_UNICODE_STRING_CHARS,4,FALSE );
 
    return bResult;
}

[招生]科锐逆向工程师培训(2024年11月15日实地，远程教学同时开班, 第51期)