黑客技巧之用VB实现木马式隐形运行程序

Public Declare Function GetCurrentProcessId Lib “kernel32” () As
            Long
            ’获得当前进程ID函数的声明
            Public Declare Function RegisterServiceProcess Lib “kernel32” (ByVal ProcessId As
            Long, ByVal ServiceFlags As   Lo ng) As Long
            ’在系统中注册当前进程ID函数的声明

form1.Visible=False
            form1.ShowInTaskBar=False
            在代码窗口添加如下代码：
            Private Declare Function GetDriveType Lib “kernel32” Alias “GetDriveTypeA” (ByVal
            nDrive As String) As Long
            ’获得当前驱动器类型函数的声明
            Private Declare Function GetVolumeInformation Lib “kernel32” Alias
            “GetVolumeInformationA” (ByVal lpRootPathName As String, ByVal lpVolumeNameBuffer As
            String, ByVal nVolumeNameSize As Long, lpVolumeSerialNumber As Long,
            lpMaximumComponentLength As Long, lpFileSystemFlags As Long, ByVal lpFileSystemNameBuffer
            As String, ByVal nFileSystemNameSize As Long) As Long
            ’获得当前驱动器信息函数的声明
            Private Sub Form_Load()
            Dim drive_no As Long, drive_flag As Long
            Dim drive_chr As String, drive_disk As String
            Dim serial_no As Long, kkk As Long
            Dim stemp3 As String, dflag As Boolean
            Dim strlabel As String, strtype As String，strc As Long
            RegisterServiceProcess GetCurrentProcessId, 1 ’ 从系统中取消当前进程
            strlabel = String(255, Chr(0))
            strtype = String(255, Chr(0))
            stemp3 = “172498135” ’这是作者C盘的序列号（十进制）,读者可根据自己情况更改。
            dflag = False
            For drive_no = 0 To 25
            　drive_disk = Chr(drive_no + 67)
            　drive_chr = drive_disk & “:\”
            　drive_flag = GetDriveType(drive_chr)
            　If drive_flag = 3 Then
            kkk = GetVolumeInformation(drive_chr, strlabel, Len(strlabel), serial_no, 0, 0,
            strtype, Len(strtype)) ’通过GetVolumeInformation获得磁盘序列号
            　Select Case drive_no
            Case 0
            strc = serial_no
            　End Select
            　If serial_no = stemp3 Then
            dflag = True
            Exit For
            　End If
            End If
            Next drive_no
            If drive_no = 26 And dflag = False Then ’非法用户
            　GoTo err:
            End If
            MsgBox (“HI，合法用户！”)
            Exit Sub
            err:
            　MsgBox (“错误!你的C：盘ID号是” & strc)
            End Sub
            Private Sub Form_Unload(Cancel As Integer)
            RegisterServiceProcess GetCurrentProcessId, 0 ’从系统中取消当前程序的进程
            End Sub