writemain.pas

各种反分析软件的手法,包括(反Dede,反单步跟踪,反SoftICE,Ollydbg,反静态分析,以及程序自身的CRC32效验等,对于初学者有很大的帮助.

unit WriteMain;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DymCrc32, Base64Unit, IniFiles, StdCtrls, ComCtrls;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    OpenDialog1: TOpenDialog;
    Button2: TButton;
    StatusBar1: TStatusBar;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

//获取指定程序的CRC32值
procedure TForm1.Button1Click(Sender: TObject);
var
  FileNameStr:String;
  CrcInt:DWORD;
begin
  OpenDialog1.Filter:='All files(*.*)|*.*';
  if OpenDialog1.Execute then
    FileNameStr:=OpenDialog1.FileName;
  GetCRC32File(FileNameStr,CrcInt);
  Edit1.Text:=UpperCase(IntToHex(CrcInt,8));
end;

//把校验值加密以后写入文件
procedure TForm1.Button2Click(Sender: TObject);
var
  IniFileName:String;
  MyIniFile:TIniFile;
begin
  //Ini文件名和路径
  IniFileName:=ExtractFilePath(Application.ExeName)+'MyIni.ini';
  MyIniFile:=TIniFile.Create(IniFileName);//创建TIniFile对象
  MyInifile.WriteString('MYSET','Ver',Base64Encryption(Edit1.Text)); 
  MyIniFile.Destroy;
  MessageBox(Handle,'写入成功!','提示',MB_OK);
end;

end.