Re: [Exim] Encrypted Viruii

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Lähettäjä: Nigel Metheringham
Päiväys:  
Vastaanottaja: Ron McKeating
Kopio: Wakko Warner, exim-users
Aihe: Re: [Exim] Encrypted Viruii
On Wed, 2004-03-03 at 13:42, Ron McKeating wrote:
> If the attachment has been encrypted then there is no way the virus
> scanner can see the virus inside it. I recieved 4 last night when
> I save the attachement it is called "MoreInfo.zip".
> If I run the virus scanner against this file then it comes up clean.
> However if I try to unzip it it asks for a password, the password was
> in the body of the message.
>
> Are you saying your virus scanner can read data inside an encrypted file
> ???


How is zip encryption done? Is the central directory encrypted or just
the file payloads?

If its just the file payloads then you would be able to see name &
metadata (including size and maybe crc).

    Nigel.


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[ Nigel Metheringham           Nigel.Metheringham@??? ]
[ - Comments in this message are my own and not ITO opinion/policy - ]