Re: [Full-disclosure] strange domain name in phishing email

2006-03-16 Thread Juha-Matti Laurio
It seems that this case has the name Dotless IP Address Security Issue 
and KB article #168617 http://support.microsoft.com/?kbid=168617 
describes it even in IE4.

Correct if I'm wrong.

- Juha-Matti


IIRC, Microsoft changed that as one of the security updates to IE. For a 
time, it was a popular phishing trick. I also remember there was a way 
to do that (or something similar) to bypass the security zones in IE and 
make it think it was a trusted site, but can't find that reference at hand.


The rest of windows will still do it though. Try ping 2887060730 or 
telnet 2887060730 80.


~Mike.


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Re: [Full-disclosure] strange domain name in phishing email

2006-03-15 Thread Q Beukes
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

I think this would be a client side only thing.
Netcat connected fine when I have such a name (167772398 - 10.0.0.238)
as a target.

The reason I say this is because how would apache know what to do with:
Host: 167772398

It might have been a vhost, so I dont think they have support for this.

NOTE: just my thoughts

Julien GROSJEAN - Proxiad wrote:
 I think you try to remove the slash at the end... What about the
 logs ?



 Alice Bryson a écrit :
 BTW, this kind of ip address would not always work. i try to use
  http://2887060730/ to access an internal web server
 http://172.21.12.250, but failed. It said 400 bad request. I use
 Windows XP IE 6, web server is Apache on Windows 2003, does
 anyone know why?

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-15 Thread gboyce

On Tue, 14 Mar 2006, Chris Umphress wrote:


On 3/14/06, gboyce [EMAIL PROTECTED] wrote:

I tried this trick against my personal Apache 2 webserver, and got a 400
bad request as well.  The apache log is showing Client sent malformed
Host header.

It looks like Apache is getting the decimal host header, and doesn't
understand what to do with it.  Oddly, the host mentioned in the initial
e-mail is also Apache, but it's Apache 1.3.

Is your Apache on windows server 1.x or 2.x?



I'll jump in and say that mine works works this way (If you want to
verify, it is http://1136002182/).

I am using Apache 1.3 and have several virtual hosts set up. Since
Apache returns the first virtual host if it doesn't match the names of
any of the other virtual hosts. That could be the determining factor
for why some work and others don't.


I have virtual hosts setup as well, and this behavior doesn't work for me.

I tested a few different servers, and what I've found is that Apache 1.3 
accepts hosts defined in this manner.  Apache 2.0 fails with a 400 error.


Greg

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-15 Thread Alice Bryson
hi there:
When I use IE 6 web browser, Apache 1.3 accept this kind of request
but Apache 2.0 doesn't.
When I use IE 7 web browser, Apache 2.0 also accept this kind of request.


2006/3/15, gboyce [EMAIL PROTECTED]:
 On Tue, 14 Mar 2006, Chris Umphress wrote:

  On 3/14/06, gboyce [EMAIL PROTECTED] wrote:
  I tried this trick against my personal Apache 2 webserver, and got a 400
  bad request as well.  The apache log is showing Client sent malformed
  Host header.
 
  It looks like Apache is getting the decimal host header, and doesn't
  understand what to do with it.  Oddly, the host mentioned in the initial
  e-mail is also Apache, but it's Apache 1.3.
 
  Is your Apache on windows server 1.x or 2.x?
 
 
  I'll jump in and say that mine works works this way (If you want to
  verify, it is http://1136002182/).
 
  I am using Apache 1.3 and have several virtual hosts set up. Since
  Apache returns the first virtual host if it doesn't match the names of
  any of the other virtual hosts. That could be the determining factor
  for why some work and others don't.

 I have virtual hosts setup as well, and this behavior doesn't work for me.

 I tested a few different servers, and what I've found is that Apache 1.3
 accepts hosts defined in this manner.  Apache 2.0 fails with a 400 error.

 Greg

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-15 Thread gboyce
Can you do a packet capture, and find out what the request to the server 
looks like?


Apache 2 doesn't seem to like the decimal host definition sent by most 
browsers.  Perhaps IE 7 converts the decimal IP back into octal before 
sending it to the server.


On Thu, 16 Mar 2006, Alice Bryson wrote:


hi there:
When I use IE 6 web browser, Apache 1.3 accept this kind of request
but Apache 2.0 doesn't.
When I use IE 7 web browser, Apache 2.0 also accept this kind of request.


2006/3/15, gboyce [EMAIL PROTECTED]:

On Tue, 14 Mar 2006, Chris Umphress wrote:


On 3/14/06, gboyce [EMAIL PROTECTED] wrote:

I tried this trick against my personal Apache 2 webserver, and got a 400
bad request as well.  The apache log is showing Client sent malformed
Host header.

It looks like Apache is getting the decimal host header, and doesn't
understand what to do with it.  Oddly, the host mentioned in the initial
e-mail is also Apache, but it's Apache 1.3.

Is your Apache on windows server 1.x or 2.x?



I'll jump in and say that mine works works this way (If you want to
verify, it is http://1136002182/).

I am using Apache 1.3 and have several virtual hosts set up. Since
Apache returns the first virtual host if it doesn't match the names of
any of the other virtual hosts. That could be the determining factor
for why some work and others don't.


I have virtual hosts setup as well, and this behavior doesn't work for me.

I tested a few different servers, and what I've found is that Apache 1.3
accepts hosts defined in this manner.  Apache 2.0 fails with a 400 error.

Greg

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-15 Thread Jianqiang Xin
I tried the same address using nslookup of windows and linux. The linux nslookup and host generate an error message:  ** server can't find 1406379699: NXDOMAIN. nslookup of Windows translate the number to a domain name. It seems that it works different for different operating system. 
Have a good day and thanks for your help. On 3/15/06, gboyce [EMAIL PROTECTED] wrote:
Can you do a packet capture, and find out what the request to the serverlooks like?
Apache 2 doesn't seem to like the decimal host definition sent by mostbrowsers.Perhaps IE 7 converts the decimal IP back into octal beforesending it to the server.On Thu, 16 Mar 2006, Alice Bryson wrote:
 hi there: When I use IE 6 web browser, Apache 1.3 accept this kind of request but Apache 2.0 doesn't. When I use IE 7 web browser, Apache 2.0 also accept this kind of request.
 2006/3/15, gboyce [EMAIL PROTECTED]: On Tue, 14 Mar 2006, Chris Umphress wrote: On 3/14/06, gboyce 
[EMAIL PROTECTED] wrote: I tried this trick against my personal Apache 2 webserver, and got a 400 bad request as well.The apache log is showing Client sent malformed
 Host header. It looks like Apache is getting the decimal host header, and doesn't understand what to do with it.Oddly, the host mentioned in the initial
 e-mail is also Apache, but it's Apache 1.3. Is your Apache on windows server 1.x or 2.x? I'll jump in and say that mine works works this way (If you want to
 verify, it is http://1136002182/). I am using Apache 1.3 and have several virtual hosts set up. Since Apache returns the first virtual host if it doesn't match the names of
 any of the other virtual hosts. That could be the determining factor for why some work and others don't. I have virtual hosts setup as well, and this behavior doesn't work for me.
 I tested a few different servers, and what I've found is that Apache 1.3 accepts hosts defined in this manner.Apache 2.0 fails with a 400 error. Greg
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Re: [Full-disclosure] strange domain name in phishing email

2006-03-14 Thread Julien GROSJEAN - Proxiad

I think you try to remove the slash at the end...
What about the logs ?



Alice Bryson a écrit :
 BTW, this kind of ip address would not always work. i try to use
 http://2887060730/ to access an internal web server
 http://172.21.12.250, but failed.
 It said 400 bad request.
 I use Windows XP IE 6, web server is Apache on Windows 2003, does
 anyone know why?

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RE: [Full-disclosure] strange domain name in phishing email

2006-03-14 Thread Edward Pearson
IE5 was the last version of IE to support that kind on octal URL. In IE6 it has 
been deprecated.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Julien GROSJEAN 
- Proxiad
Sent: 14 March 2006 08:45
To: full-disclosure@lists.grok.org.uk; [EMAIL PROTECTED]
Subject: Re: [Full-disclosure] strange domain name in phishing email

I think you try to remove the slash at the end...
What about the logs ?



Alice Bryson a écrit :
  BTW, this kind of ip address would not always work. i try to use   
  http://2887060730/ to access an internal web server   http://172.21.12.250, 
  but failed.
  It said 400 bad request.
  I use Windows XP IE 6, web server is Apache on Windows 2003, does   anyone 
  know why?

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-14 Thread Michael Holstein
Octal with eights in it?? As mentioned, it works works fine with 
IE6 if you remove the final /


No. it was decimal.

FWIW, here's a quickie way to convert between the 3 
(hex,decimal,dottedquad) -- all of which work in URLs.


Also .. the security zone bypass trick I mentioned earlier is 
accomplished by doing \\(decimalIP) in a link within HTML. IE used to 
treat that as trusted sites and would automatically submit credentials 
if requested by the remote side.


Cheers,

Michael Holstein CISSP GCIA
Cleveland State University

--snip--

#!/usr/bin/perl
# Perl script to convert between numeric and dotted quad IPs.
# credit to Paul Gregg for this (found on Google somewhere)
while (STDIN) {
  chomp; $input = $_;
  if (/\./) {
($a, $b, $c, $d) = split(/\./);
$decimal = $d + ($c * 256) + ($b * 256**2) + ($a * 256**3);
  } else {
$decimal = $_;
$d = $_ % 256; $_ -= $d; $_ /= 256;
$c = $_ % 256; $_ -= $c; $_ /= 256;
$b = $_ % 256; $_ -= $b; $_ /= 256;
$a = $_;
  }

  if ( ($a255) || ($b255) || ($c255) || ($d255) ) {
print $0: Invalid input: $input\n;
  } else {
printf (Address: %d.%d.%d.%d is %u  (Hex:%02x%02x%02x%02x)\n,
 $a,$b,$c,$d, $decimal,$a,$b,$c,$d);
  }
}

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-14 Thread sheeponhigh
hi there
It is very strange thing. I have done the following tries.

trying result
http://172.21.12.250success
http://2887060730   failed
http://2887060730/  failed
telent 2887060730 80  failed
ping 2887060730success
http://1406379699(phishing web site mentioned by Jianqiang Xin )  success
http://1406379699/(phishing web site mentioned by Jianqiang Xin )  success

Could anyone give me some idea?
Thanks.


2006/3/14, Michael Holstein [EMAIL PROTECTED]:
  Octal with eights in it?? As mentioned, it works works fine with
  IE6 if you remove the final /

 No. it was decimal.

 FWIW, here's a quickie way to convert between the 3
 (hex,decimal,dottedquad) -- all of which work in URLs.

 Also .. the security zone bypass trick I mentioned earlier is
 accomplished by doing \\(decimalIP) in a link within HTML. IE used to
 treat that as trusted sites and would automatically submit credentials
 if requested by the remote side.

 Cheers,

 Michael Holstein CISSP GCIA
 Cleveland State University

 --snip--

 #!/usr/bin/perl
 # Perl script to convert between numeric and dotted quad IPs.
 # credit to Paul Gregg for this (found on Google somewhere)
 while (STDIN) {
   chomp; $input = $_;
   if (/\./) {
 ($a, $b, $c, $d) = split(/\./);
 $decimal = $d + ($c * 256) + ($b * 256**2) + ($a * 256**3);
   } else {
 $decimal = $_;
 $d = $_ % 256; $_ -= $d; $_ /= 256;
 $c = $_ % 256; $_ -= $c; $_ /= 256;
 $b = $_ % 256; $_ -= $b; $_ /= 256;
 $a = $_;
   }

   if ( ($a255) || ($b255) || ($c255) || ($d255) ) {
 print $0: Invalid input: $input\n;
   } else {
 printf (Address: %d.%d.%d.%d is %u  (Hex:%02x%02x%02x%02x)\n,
  $a,$b,$c,$d, $decimal,$a,$b,$c,$d);
   }
 }

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-14 Thread Alice Bryson
hi there
   It is very strange thing. I have done the following tries.

trying result
http://172.21.12.250success
http://2887060730   failed
http://2887060730/  failed
telent 2887060730 80  failed
ping 2887060730success
http://1406379699(phishing web site mentioned by Jianqiang Xin )  success
http://1406379699/(phishing web site mentioned by Jianqiang Xin )  success

Could anyone give me some idea?
Thanks.

2006/3/14, Michael Holstein [EMAIL PROTECTED]:
  Octal with eights in it?? As mentioned, it works works fine with
  IE6 if you remove the final /

 No. it was decimal.

 FWIW, here's a quickie way to convert between the 3
 (hex,decimal,dottedquad) -- all of which work in URLs.

 Also .. the security zone bypass trick I mentioned earlier is
 accomplished by doing \\(decimalIP) in a link within HTML. IE used to
 treat that as trusted sites and would automatically submit credentials
 if requested by the remote side.

 Cheers,

 Michael Holstein CISSP GCIA
 Cleveland State University

 --snip--

 #!/usr/bin/perl
 # Perl script to convert between numeric and dotted quad IPs.
 # credit to Paul Gregg for this (found on Google somewhere)
 while (STDIN) {
   chomp; $input = $_;
   if (/\./) {
 ($a, $b, $c, $d) = split(/\./);
 $decimal = $d + ($c * 256) + ($b * 256**2) + ($a * 256**3);
   } else {
 $decimal = $_;
 $d = $_ % 256; $_ -= $d; $_ /= 256;
 $c = $_ % 256; $_ -= $c; $_ /= 256;
 $b = $_ % 256; $_ -= $b; $_ /= 256;
 $a = $_;
   }

   if ( ($a255) || ($b255) || ($c255) || ($d255) ) {
 print $0: Invalid input: $input\n;
   } else {
 printf (Address: %d.%d.%d.%d is %u  (Hex:%02x%02x%02x%02x)\n,
  $a,$b,$c,$d, $decimal,$a,$b,$c,$d);
   }
 }

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-14 Thread Chris Umphress
On 3/14/06, gboyce [EMAIL PROTECTED] wrote:
 I tried this trick against my personal Apache 2 webserver, and got a 400
 bad request as well.  The apache log is showing Client sent malformed
 Host header.

 It looks like Apache is getting the decimal host header, and doesn't
 understand what to do with it.  Oddly, the host mentioned in the initial
 e-mail is also Apache, but it's Apache 1.3.

 Is your Apache on windows server 1.x or 2.x?


I'll jump in and say that mine works works this way (If you want to
verify, it is http://1136002182/).

I am using Apache 1.3 and have several virtual hosts set up. Since
Apache returns the first virtual host if it doesn't match the names of
any of the other virtual hosts. That could be the determining factor
for why some work and others don't.

--
Chris Umphress http://daga.dyndns.org/

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Re: [Full-disclosure] strange domain name in phishing email

2006-03-13 Thread Alice Bryson
Yes, this is only a way of expressing an IP address.
Try the following C code, you would find out the answer.

#include stdio.h
#include sys/socket.h
#include netinet/in.h
#include arpa/inet.h

int main()
{
printf(%lu\n, htonl(inet_addr(83.211.166.179)));
return 0;
}

it prints out 1406379699.


2006/3/11, Brian Dessent [EMAIL PROTECTED]:
 Jianqiang Xin wrote:

  I received several phishing emails. One interesting thing is the link
  to phishing website has the link:
  http://1406379699/dbweb/ws/ebay/index.htm

 This is a very old technique.  Most people think that dotted-quad
 decimal is the only way to express an IP address but they can in fact be
 written in a variety of formats - octal, hexadecimal, and/or combined as
 a single 32 bit word.  Read http://www.pc-help.org/obscure.htm for
 more.

 Brian
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Re: [Full-disclosure] strange domain name in phishing email

2006-03-13 Thread Alice Bryson
BTW, this kind of ip address would not always work. i try to use
http://2887060730/ to access an internal web server
http://172.21.12.250, but failed.
It said 400 bad request.
I use Windows XP IE 6, web server is Apache on Windows 2003, does
anyone know why?



2006/3/11, Jianqiang Xin [EMAIL PROTECTED]:
 hi,
 I received several phishing emails. One interesting thing is the link to
 phishing website has the link:
 http://1406379699/dbweb/ws/ebay/index.htm

 If you click it, it goes to a fake ebay server. The DNS result shows:

  1406379699
 Server:
 Address:

 Name:ip-166-179.sn2.eutelia.it
 Address:  83.211.166.179

 I do not understand why 1406379699 equal to ip-166-179.sn2.eutelia.it?
 Thanks for your help.


 yours,
 jqxin2006

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[Full-disclosure] strange domain name in phishing email

2006-03-11 Thread Jianqiang Xin
hi, 
I received several phishing emails. One interesting thing is the link to phishing website has the link:
http://1406379699/dbweb/ws/ebay/index.htm

If you click it, it goes to a fake ebay server. The DNS result shows:

 1406379699
Server: 
Address: 

Name: ip-166-179.sn2.eutelia.it
Address: 83.211.166.179

I do not understand why 1406379699 equal to ip-166-179.sn2.eutelia.it? Thanks for your help.


yours,
jqxin2006
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Re: [Full-disclosure] strange domain name in phishing email

2006-03-11 Thread [EMAIL PROTECTED]
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
 
google is cool

http://www.alexcarlock.com/ip.asp

Jianqiang Xin wrote:
 hi,
 I received several phishing emails. One interesting thing is the
 link to phishing website has the link:
 http://1406379699/dbweb/ws/ebay/index.htm

 If you click it, it goes to a fake ebay server. The DNS result shows:

  1406379699
 Server:
 Address:

 Name:ip-166-179.sn2.eutelia.it http://ip-166-179.sn2.eutelia.it
 Address:  83.211.166.179 http://83.211.166.179

 I do not understand why 1406379699 equal to
 ip-166-179.sn2.eutelia.it http://ip-166-179.sn2.eutelia.it? Thanks
 for your help.


 yours,
 jqxin2006

 --

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 __ NOD32 1.1438 (20060310) Information __

 This message was checked by NOD32 antivirus system.
 http://www.eset.com


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Version: GnuPG v1.4.2.1 (MingW32)
 
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HBpMyL+whXgLoHo/tg//MD0=
=mlVo
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Re: [Full-disclosure] strange domain name in phishing email

2006-03-11 Thread Brian Dessent
Jianqiang Xin wrote:

 I received several phishing emails. One interesting thing is the link
 to phishing website has the link:
 http://1406379699/dbweb/ws/ebay/index.htm

This is a very old technique.  Most people think that dotted-quad
decimal is the only way to express an IP address but they can in fact be
written in a variety of formats - octal, hexadecimal, and/or combined as
a single 32 bit word.  Read http://www.pc-help.org/obscure.htm for
more.

Brian
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Re: [Full-disclosure] strange domain name in phishing email

2006-03-11 Thread Nancy Kramer

Could it be a 301 permanent redirect?

Regards,

Nancy Kramer
Webmaster http://www.americandreamcars.com
Free Color Picture Ads for Collector Cars
One of the Ten Best Places To Buy or Sell a Collector Car on the Web


At 04:57 AM 3/11/2006, Jianqiang Xin wrote:


hi,
I received several phishing emails. One interesting thing is the link to 
phishing website has the link:

http://1406379699/dbweb/ws/ebay/index.htmhttp://1406379699/dbweb/ws/ebay/index.htm

If you click it, it goes to a fake ebay server. The DNS result shows:

 1406379699
Server:
Address:

Name:http://ip-166-179.sn2.eutelia.itip-166-179.sn2.eutelia.it
Address:  http://83.211.166.17983.211.166.179

I do not understand why 1406379699 equal to 
http://ip-166-179.sn2.eutelia.itip-166-179.sn2.eutelia.it? Thanks for 
your help.



yours,
jqxin2006
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No virus found in this incoming message.
Checked by AVG Anti-Virus.
Version: 7.1.375 / Virus Database: 268.2.1/278 - Release Date: 3/9/2006



--
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.1.375 / Virus Database: 268.2.1/278 - Release Date: 3/9/2006


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