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Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro!


Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! hal NO[at]SPAM nospam.com
6/30/2004 8:00:27 AM
iis security:
I posted yesterday about my IIS dying. Original post is below.
General consensus and mosts docs on the 115 error say something is
listening on my http/https ports, however, netstat does not show
anything. I am checking into third party utilities to get more info,
but I found something very disturbing: My favorite trick for seeing
if SMTP servers are running is 'telnet <host> 25' to see if server
responds. I did this for port 80 and 443, and even when web service
is stopped, I get a response on 443 that says:

Hallo, Willkommen auf Compactzone Stro!
Ich hoffe, Sie haben viel Spa¯!
Loader

Danke fnr ihren Besuch!
Bist zum nSchsten Mal!
Loader

This cannot be good. How can I find what this is and get rid of it?

Any help _greatly_ appreciated

Hal

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Something happened to my Exchange server over the weekend that caused
a crash (nothing logged) and upon startup my IIS is failing with Event
ID 115 (Service could not bind instance 1). This error is logged for
both MSFTPSVC and W3SVC. All services seem to be running but OWA
access to either port 80 or 443 gets a page cannot be displayed error.
The access attempt is responded to with an account login and the logs
show the access attempt. I am running a certificate, and a port
redirection from port 80. Most docs I have found on this refer to
running multiple instances which I do not have. My securebindings in
metabase is correct. I have no other instances of either FTP or
W3SVC. This behaves exactly the same either on reboot or IIS Admin
restart. I have tried disabling SSL by removing port listener in
default web site properties and service behaves exactly the same so it
doesn't seem to be an SSL related problem.

Any suggestions greatly appreciated.

thanks

Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! hal NO[at]SPAM nospam.com
6/30/2004 10:42:49 AM
On Wed, 30 Jun 2004 17:14:17 +0100, Paul Lynch <paul.lynch@nospam.com>
[quoted text, click to view]

Thanks for the response, one of the really strange parts about this is
that I've tried tcpview and fport as well as netstat and nothing shows
anything listening on 443. I get a normal response on 80 when IIS is
running (even though event log shows 115 error), and when I shut down
IIS I get no response on 80, but still get a response on 443. Yet
nothing shows in LISTEN state on port mapper. Very strange. Any
other suggestions? I am turning up nothing on problems like this in
my net searches.

thanks again

Hal

[quoted text, click to view]
Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! Paul Lynch
6/30/2004 5:14:17 PM
[quoted text, click to view]

Hal,

You're right. This doesn't sound good. You need to find out which
process is binding to ports 80 and /or 443 on your server ASAP !

Any of these tools will do this for you :

http://www.sysinternals.com/ntw2k/source/tcpview.shtml

http://www.foundstone.com/index.htm?subnav=resources/navigation.htm&subcontent=/resources/proddesc/fport.htm

Availability and description of the Port Reporter tool
http://support.microsoft.com/?id=837243

In the meantime I would seriously consider disconnecting your server
from any network as a precaution.

I think you may need to spend some time reading this :

http://securityadmin.info/faq.asp#hackerstoc

http://securityadmin.info/faq.asp#re-secure

http://securityadmin.info/faq.asp#harden


Regards,

Paul Lynch
Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! Karl Levinson [x y] mvp
6/30/2004 8:30:30 PM
Could be whatever it is has Windows root kit functionality, in which case
you could try running RKDetect [search google] and/or scan the hard drive
for viruses and/or suspicious files, registry entries and startup values
either from another computer from across the network through Windows
networking, or after slaving the hard drive in another known virus free
Windows computer, or after booting to an alternate OS such as a Knoppix CD.


[quoted text, click to view]

Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! Karl Levinson [x y] mvp
6/30/2004 8:32:15 PM
PS you are probably missing patches and have other insecure configuration.
While it is useful to figure out what was done and what you did wrong, you
may want to consider formatting and reinstalling and fully securing the
computer after you have exhausted your investigation.

http://securityadmin.info/faq.asp#re-secure
http://securityadmin.info/faq.asp#harden


[quoted text, click to view]

Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! Steve
7/8/2004 11:57:28 AM
Hi Hal.

I am having the same problem you are. I have a server running IIS and I
can't browse to port 443 using SSL anymore. It just started yesterday.
I've been trying everything I can think of to get it going with no
success. When I try to telnet the server using port 443 I get the same
message you were getting that says 'Hallo, Wilkommen auf Compactzone
Stro!'. Have you found a way to resolve this issue yet? I can't seem
to find an answer anywhere. Any help you can give would be GREATLY
appreciated. If you don't have a solution yet and I can somehow figure
out how to resolve this thing I will be sure to let you know.

Thanks,
Steve

[quoted text, click to view]
Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! adavis NO[at]SPAM online.microsoft.com (
7/9/2004 3:02:42 PM
This is probably a flavor of Hacker Defender. The bottom line is a
miscreant has remote access to the box with admin rights. You should format
and reinstall the server.

The attack vector could have been a exposed vulnerability, or a compromised
admin account. It is likely that an MS04-011 vulnerability was exploited so
you may want to confirm what day 835732 was applied.

This posting is provided "AS IS" with no warranties, and confers no rights.

Thanks!
~Andrew Davis
Microsoft PSS Security

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cpmsftngxa06.phx.gbl!TK2MSFTNGXA06.phx.gbl!TK2MSFTNGXA05.phx.gbl!TK2MSFTNGP0
8.phx.gbl!news-out.cwix.com!newsfeed.cwix.com!tdsnet-transit!newspeer.tds.ne
t!216.170.153.144.MISMATCH!newspeer2.tds.net!not-for-mail
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Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! damianini NO[at]SPAM hotmail.com
7/13/2004 11:49:22 AM
Hello,

I have the same issue as noted below but was unable to find anything
in the registry. I ran the utilities and nothing is registering on
ports 443, 2004 or 21. However when I open a dos prompt and telnet to
them I receive the German stuff letting me know they are open. Have
you seen this before? I can't figure out what has these ports open.

Thanks

Damien

[quoted text, click to view]
Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! Ken Schaefer
7/14/2004 10:26:46 AM
You may have been taken over by something more insidious, like a rootkit
that is able to fool utilities.

I would seriously suggest you restore the machine from known good backups
(or rebuild the machine from scratch)

Cheers
Ken

[quoted text, click to view]
: Hello,
:
: I have the same issue as noted below but was unable to find anything
: in the registry. I ran the utilities and nothing is registering on
: ports 443, 2004 or 21. However when I open a dos prompt and telnet to
: them I receive the German stuff letting me know they are open. Have
: you seen this before? I can't figure out what has these ports open.
:
: Thanks
:
: Damien
:
[quoted text, click to view]
: >
: > >I posted yesterday about my IIS dying. Original post is below.
: > >General consensus and mosts docs on the 115 error say something is
: > >listening on my http/https ports, however, netstat does not show
: > >anything. I am checking into third party utilities to get more info,
: > >but I found something very disturbing: My favorite trick for seeing
: > >if SMTP servers are running is 'telnet <host> 25' to see if server
: > >responds. I did this for port 80 and 443, and even when web service
: > >is stopped, I get a response on 443 that says:
: > >
: > >Hallo, Willkommen auf Compactzone Stro!
: > > Ich hoffe, Sie haben viel Spa¯!
: > > Loader
: > >
: > > Danke fnr ihren Besuch!
: > > Bist zum nSchsten Mal!
: > > Loader
: > >
: > >This cannot be good. How can I find what this is and get rid of it?
: > >
: > >Any help _greatly_ appreciated
: > >
: > >Hal
: >
: > Hal,
: >
: > You're right. This doesn't sound good. You need to find out which
: > process is binding to ports 80 and /or 443 on your server ASAP !
: >
: > Any of these tools will do this for you :
: >
: > http://www.sysinternals.com/ntw2k/source/tcpview.shtml
: >
: >
http://www.foundstone.com/index.htm?subnav=resources/navigation.htm&subcontent=/resources/proddesc/fport.htm
: >
: > Availability and description of the Port Reporter tool
: > http://support.microsoft.com/?id=837243
: >
: > In the meantime I would seriously consider disconnecting your server
: > from any network as a precaution.
: >
: > I think you may need to spend some time reading this :
: >
: > http://securityadmin.info/faq.asp#hackerstoc
: >
: > http://securityadmin.info/faq.asp#re-secure
: >
: > http://securityadmin.info/faq.asp#harden
: >
: >
: > Regards,
: >
: > Paul Lynch
: > MCSE

Re: Am I hacked? IIS dying, 'telnet localhost 443' gives: Hallo, Willkommen auf Compactzone Stro! mstone
7/15/2004 12:51:17 PM

Hal, I just read your post from June about your IIS issue and I a
having the same problem (I think) since I installed Sygate Firewall.
Not sure what's going on...did you resolve your problem? If so, can
email you tonight for troubleshooting session? I have tried everythin
you have described and don't see my port 443 listed anywhere except o
Sygate screen and when I do a backtrace, I end up somewhere no
describable by the program...

Matt Stone
mstone@dhs.ca.gov
mstone@directcon.net








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mston
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