While I agree that installing patches is very important it is no
different than Antivirus and Intrusion Detection defenses.  Patches are
also a reactive reflex.  Patches are built because of exploit(s) that
have been out in the wild.  As one hole is plugged up hackers are
working on the next exploit, Microsoft in turn working on the next
patch, and the circle continues.  What is the difference between
antivirus signatures continually coming out and patches coming out?
Each patch and signature file continues to plug holes as others are
invented or exploited.

They (Antivirus, Intrusion detection, patches) are all important, not
one more important than the other.

Gregory J Toland
Sr. Systems Architect
XWare Systems Inc.
1643 South Tenth Street
Arlington, VA 22204
(703) 979-8378 (Office)
(703) 655-5766 (Mobile)
[EMAIL PROTECTED]



-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Patrick R.
Sweeney
Sent: Sunday, March 10, 2002 10:14 PM
To: NT 2000 Discussions
Subject: RE: Infected W2K Server


Exactly.

Antivirus and Intrusion Detection are reactive defenses.  A variant has
to be in the wild and identified, then the signature file updated before
you are protected, but if you patch, then the vulnerability is gone for
all variant exploits.

I just wish Microsoft's release process were better so I felt more
comfortable advising people to implement ALL MS security patches.  (For
relevant services anyway.  On developer desktops I install ALL patches
because they install services outside of my Change Management processes.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Martin Blackstone
Sent: Sunday, March 10, 2002 1:44 PM
To: NT 2000 Discussions
Subject: RE: Infected W2K Server


Patch baby, PATCH!!! That's the only safe way to go. Do not depend on
anything else to save you. HFNetcheck to verify

-----Original Message-----
From: Gregory Toland [mailto:[EMAIL PROTECTED]]
Sent: Sunday, March 10, 2002 10:33 AM
To: NT 2000 Discussions
Subject: RE: Infected W2K Server


Thanks for the suggestion.  I spent all day Yesterday reformatting my
machine.  Of course, I still don't know how it got through.  I had
Zonealarm and Norton AntiVirus running.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Alexander Kha Do
Sent: Thursday, February 28, 2002 12:11 PM
To: NT 2000 Discussions
Subject: RE: Infected W2K Server


Reformat the machine.

I'M NOT KIDDING.  The recommended way to recover from a Nimda comprimise
is to reformat reinstall.  Once Nimda has infected IIS, it will most
likely have infected your mmc.exe, riched20.dll, and a whole lot of
other stuff. Guest is most likely now an administrator of your box. Look
at your shared drives - you'll notice they are open with full write to
all network users.

You were most likely infected because you did not code-red patch your
IIS. Nimda initiated a malformed tftp request and sent the admin.dll
file into some dir on your webserver.  Then your webserver infected your
whole computer.  Disconnect it from the network immediately.  It is
scanning the local network for open shares and spitting out those eml
files like crazy. Sorry, but you're pretty much screwed.  If the data is
important, pull the hard drive out and put it in another computer that
has the latest and greatest in virus protection.

http://www.cert.org/advisories/CA-2001-26.html

-----Original Message-----
From: Gregory J Toland [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, February 27, 2002 6:34 PM
To: NT 2000 Discussions
Cc: Gregory John Toland
Subject: Infected W2K Server


I went on travel this past weekend only to return and find my computer
was infected with three types of Nimda viruses.  Specifically, they are

        1. W32.Nimda.A@mm (dll) virus.
        2. W32.Nimda.E@mm (dr) virus.
        3. W32.Nimda.A@mm (dr) virus.

42 files were infected.  18 files were in C:\Inetpub\scripts\ and were
all named like...

C:\Inetpub\scripts\TFTP860
C:\Inetpub\scripts\TFTP952


I have no idea where these files came from.  18 other files came from
C:\WINNT\Temp\ and were all named like...

C:\WINNT\Temp\mep914.tmp.exe
C:\WINNT\Temp\mep916.tmp.exe


Again, I have no idea where these came from.  Finally, four files that I
would have thought would have been installed in a different directory
were...

C:\Admin.dll
C:\httpodbc.dll
D:\Admin.dll
D:\httpodbc.dll

Norton Antivirus could not repair them.  They have all been quarantined.
What happened?  I was going to anyways uninstall IIS5 from the C: drive
and install it on the D: drive.  Will this fix any potential problems my
computer may have down the road.  Is this false reporting on Norton's
part?

Please enlighten me! :)

Gregory J Toland
Sr. Systems Architect
XWare Systems Inc.
1643 South Tenth Street
Arlington, VA 22204
(703) 979-8378 (Office)
(703) 655-5766 (Mobile)
[EMAIL PROTECTED]


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