[Declude.Virus] BANEXT EXE

2004-03-26 Thread Jay Calvert
Hi all we just had a case where an email was banned because Declude said it
had an exe in the email, when it only had a TXT.

What happened here?

Thanks.

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RE: [Declude.Virus] BANEXT EXE

2004-03-26 Thread John Tolmachoff \(Lists\)
Double check the D file. There might be more than one attachment.

John Tolmachoff
Engineer/Consultant/Owner
eServices For You


 -Original Message-
 From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
 On Behalf Of Jay Calvert
 Sent: Friday, March 26, 2004 8:57 AM
 To: [EMAIL PROTECTED]
 Subject: [Declude.Virus] BANEXT EXE
 
 Hi all we just had a case where an email was banned because Declude said
it
 had an exe in the email, when it only had a TXT.
 
 What happened here?
 
 Thanks.
 
 ---
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(http://www.declude.com)]
 
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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread R. Scott Perry

Hi all we just had a case where an email was banned because Declude said it
had an exe in the email, when it only had a TXT.
What happened here?
What happened is that either it contained an .exe file, or it had multiple 
extensions (in which case Declude Virus assumes the worst, that it is an 
.exe file).

If you send me the D*.SMD file that was quarantined, I can let you know 
exactly why it was blocked as an .exe file.

   -Scott
---
Declude JunkMail: The advanced anti-spam solution for IMail mailservers 
since 2000.
Declude Virus: Ultra reliable virus detection and the leader in mailserver 
vulnerability detection.
Find out what you've been missing: Ask for a free 30-day evaluation.

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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread Jay Calvert
Scott,

I just sent it to you, please look for it, it came from our systems account.

Jay
- Original Message - 
From: R. Scott Perry [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 26, 2004 9:17 AM
Subject: Re: [Declude.Virus] BANEXT EXE



 Hi all we just had a case where an email was banned because Declude said
it
 had an exe in the email, when it only had a TXT.
 
 What happened here?

 What happened is that either it contained an .exe file, or it had multiple
 extensions (in which case Declude Virus assumes the worst, that it is an
 .exe file).

 If you send me the D*.SMD file that was quarantined, I can let you know
 exactly why it was blocked as an .exe file.

 -Scott
 ---
 Declude JunkMail: The advanced anti-spam solution for IMail mailservers
 since 2000.
 Declude Virus: Ultra reliable virus detection and the leader in mailserver
 vulnerability detection.
 Find out what you've been missing: Ask for a free 30-day evaluation.

 ---
 [This E-mail was scanned for viruses by Declude Virus
(http://www.declude.com)]

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 unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread Rick Davidson
I have several examples of that from last night as well, all the txt
attachments were anti-virus generated attachments

03/25/2004 19:11:00 Q751409530072c4c8 MIME file: DELETED0.TXT
[quoted-printable; Length=113 Checksum=12852]
03/25/2004 19:11:00 Q751409530072c4c8 Banning file deleted0.txt.
03/25/2004 19:11:01 Q751409530072c4c8 Scanned: Banned file extension. [MIME:
3 1052]

Is there an explanation?

Rick Davidson
National Systems Manager
North American Title Group
440-953-9346 - Office
440-953-0925 - Fax
440-487-7344 - Mobile
[EMAIL PROTECTED]
-
- Original Message - 
From: Jay Calvert [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 26, 2004 11:56 AM
Subject: [Declude.Virus] BANEXT EXE


 Hi all we just had a case where an email was banned because Declude said
it
 had an exe in the email, when it only had a TXT.

 What happened here?

 Thanks.

 ---
 [This E-mail scanned for viruses by Declude Virus]

 ---
 [This E-mail was scanned for viruses by Declude Virus
(http://www.declude.com)]

 ---
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 unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
 type unsubscribe Declude.Virus.The archives can be found
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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread R. Scott Perry

I have several examples of that from last night as well, all the txt
attachments were anti-virus generated attachments
03/25/2004 19:11:00 Q751409530072c4c8 MIME file: DELETED0.TXT
[quoted-printable; Length=113 Checksum=12852]
03/25/2004 19:11:00 Q751409530072c4c8 Banning file deleted0.txt.
03/25/2004 19:11:01 Q751409530072c4c8 Scanned: Banned file extension. [MIME:
3 1052]
Is there an explanation?
Yes, there is an explanation.  My guess is that the AV programs didn't 
handle the MIME correctly, and said that it was an .exe file (or 
.pif/.scr/whatever) in one place and a .txt file in another.

   -Scott
---
Declude JunkMail: The advanced anti-spam solution for IMail mailservers 
since 2000.
Declude Virus: Ultra reliable virus detection and the leader in mailserver 
vulnerability detection.
Find out what you've been missing: Ask for a free 30-day evaluation.

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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread Jay Calvert
Scott,

Did you receive the second email?

Jay
- Original Message - 
From: R. Scott Perry [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 26, 2004 9:39 AM
Subject: Re: [Declude.Virus] BANEXT EXE



 I have several examples of that from last night as well, all the txt
 attachments were anti-virus generated attachments
 
 03/25/2004 19:11:00 Q751409530072c4c8 MIME file: DELETED0.TXT
 [quoted-printable; Length=113 Checksum=12852]
 03/25/2004 19:11:00 Q751409530072c4c8 Banning file deleted0.txt.
 03/25/2004 19:11:01 Q751409530072c4c8 Scanned: Banned file extension.
[MIME:
 3 1052]
 
 Is there an explanation?

 Yes, there is an explanation.  My guess is that the AV programs didn't
 handle the MIME correctly, and said that it was an .exe file (or
 .pif/.scr/whatever) in one place and a .txt file in another.

 -Scott
 ---
 Declude JunkMail: The advanced anti-spam solution for IMail mailservers
 since 2000.
 Declude Virus: Ultra reliable virus detection and the leader in mailserver
 vulnerability detection.
 Find out what you've been missing: Ask for a free 30-day evaluation.

 ---
 [This E-mail was scanned for viruses by Declude Virus
(http://www.declude.com)]

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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread R. Scott Perry

Hi all we just had a case where an email was banned because Declude said it
had an exe in the email, when it only had a TXT.
What happened here?
The problem here is that the mail client (a program whose name is as poor 
as its MIME handling:  Mail A.01.77) is giving out 2 different names for 
the file.  In one location, it calls the file EPM11002.FILES.CANJET, in 
the other location it calls it EPM11002.TXT.  While Declude Virus knows 
that a TXT file is safe, it doesn't know that a CANJET file is not 
safe.  To ensure that the extension gets handled properly (as the worst 
possible file extension), it is treated as an .EXE file.

   -Scott
---
Declude JunkMail: The advanced anti-spam solution for IMail mailservers 
since 2000.
Declude Virus: Ultra reliable virus detection and the leader in mailserver 
vulnerability detection.
Find out what you've been missing: Ask for a free 30-day evaluation.

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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread Jay Calvert
But if this is the case, how will a file be caught if somebody renames a
.zip to a .zio?

Will declude know the difference. Would be wonderful if it did!

Jay
- Original Message - 
From: R. Scott Perry [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 26, 2004 10:50 AM
Subject: Re: [Declude.Virus] BANEXT EXE



 Hi all we just had a case where an email was banned because Declude said
it
 had an exe in the email, when it only had a TXT.
 
 What happened here?

 The problem here is that the mail client (a program whose name is as poor
 as its MIME handling:  Mail A.01.77) is giving out 2 different names for
 the file.  In one location, it calls the file EPM11002.FILES.CANJET, in
 the other location it calls it EPM11002.TXT.  While Declude Virus knows
 that a TXT file is safe, it doesn't know that a CANJET file is not
 safe.  To ensure that the extension gets handled properly (as the worst
 possible file extension), it is treated as an .EXE file.

 -Scott
 ---
 Declude JunkMail: The advanced anti-spam solution for IMail mailservers
 since 2000.
 Declude Virus: Ultra reliable virus detection and the leader in mailserver
 vulnerability detection.
 Find out what you've been missing: Ask for a free 30-day evaluation.

 ---
 [This E-mail was scanned for viruses by Declude Virus
(http://www.declude.com)]

 ---
 This E-mail came from the Declude.Virus mailing list.  To
 unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
 type unsubscribe Declude.Virus.The archives can be found
 at http://www.mail-archive.com.
 ---
 [This E-mail scanned for viruses by Declude Virus]



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[This E-mail scanned for viruses by Declude Virus]

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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread R. Scott Perry

 The problem here is that the mail client (a program whose name is as poor
 as its MIME handling:  Mail A.01.77) is giving out 2 different names for
 the file.  In one location, it calls the file EPM11002.FILES.CANJET, in
 the other location it calls it EPM11002.TXT.  While Declude Virus knows
 that a TXT file is safe, it doesn't know that a CANJET file is not
 safe.  To ensure that the extension gets handled properly (as the worst
 possible file extension), it is treated as an .EXE file.

But if this is the case, how will a file be caught if somebody renames a
.zip to a .zio?
Will declude know the difference. Would be wonderful if it did!
That's something very different.  In the case here, the mail client is 
calling the E-mail both file.zip and file.zio (in which case Declude 
Virus assumes the worst, and treats it as a .exe).  In the case you are 
talking about, the file is named just file.zio (in which case it is 
handled as a .zio file -- and delivered, unless you block .zio files).

We are considering an option to automatically detect .ZIP files, even if 
they are renamed, just in case future viruses try asking their victims to 
rename the file before extracting and running the virus.

   -Scott
---
Declude JunkMail: The advanced anti-spam solution for IMail mailservers 
since 2000.
Declude Virus: Ultra reliable virus detection and the leader in mailserver 
vulnerability detection.
Find out what you've been missing: Ask for a free 30-day evaluation.

---
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Re: [Declude.Virus] BANEXT EXE

2004-03-26 Thread Jay Calvert
I was just thinking,  is there a way instead of having BANEXT, to allowed
EXT?

We want to cut down on employees bypassing the filters by renaming an
attachment  Maybe if it isn't in the list it is held for review

Will this stop blah.txt.exe files though if we wanted .txt's to get through


Jay
- Original Message - 
From: Jay Calvert [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, March 26, 2004 10:58 AM
Subject: Re: [Declude.Virus] BANEXT EXE


 But if this is the case, how will a file be caught if somebody renames a
 .zip to a .zio?

 Will declude know the difference. Would be wonderful if it did!

 Jay
 - Original Message - 
 From: R. Scott Perry [EMAIL PROTECTED]
 To: [EMAIL PROTECTED]
 Sent: Friday, March 26, 2004 10:50 AM
 Subject: Re: [Declude.Virus] BANEXT EXE


 
  Hi all we just had a case where an email was banned because Declude
said
 it
  had an exe in the email, when it only had a TXT.
  
  What happened here?
 
  The problem here is that the mail client (a program whose name is as
poor
  as its MIME handling:  Mail A.01.77) is giving out 2 different names
for
  the file.  In one location, it calls the file EPM11002.FILES.CANJET,
in
  the other location it calls it EPM11002.TXT.  While Declude Virus
knows
  that a TXT file is safe, it doesn't know that a CANJET file is not
  safe.  To ensure that the extension gets handled properly (as the worst
  possible file extension), it is treated as an .EXE file.
 
  -Scott
  ---
  Declude JunkMail: The advanced anti-spam solution for IMail mailservers
  since 2000.
  Declude Virus: Ultra reliable virus detection and the leader in
mailserver
  vulnerability detection.
  Find out what you've been missing: Ask for a free 30-day evaluation.
 
  ---
  [This E-mail was scanned for viruses by Declude Virus
 (http://www.declude.com)]
 
  ---
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  unsubscribe, just send an E-mail to [EMAIL PROTECTED], and
  type unsubscribe Declude.Virus.The archives can be found
  at http://www.mail-archive.com.
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  [This E-mail scanned for viruses by Declude Virus]
 
 

 ---
 [This E-mail scanned for viruses by Declude Virus]

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