Mailing List Archive: ClamAV: users

Virus pattern grammar license

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yoonchan at gmail

Jun 13, 2013, 2:50 AM

Post #1 of 6 (170 views)
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Virus pattern grammar license

Hello,

I am wondering if anyone can give me an answer on this. What is the
license for ClamAV's virus signature grammar? I know the official CVDs
are GPL, but I have not found anything about the grammar(i.e., the use
of the symbols such as *, (, ), [, ], |, etc.) used in the regex-like
sigs of the CVDs.

I am writing a commercial program with a functionality detecting a set
of patterns among many files. Borrowng the patterm describing grammar
of ClamAV definitely has some benefit in designing, implementing, and
testing my pattern matching engine.

Regards,

--
Yoon-Chan
_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

andres.riancho at gmail

Jun 13, 2013, 6:50 AM

Post #2 of 6 (154 views)
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Re: Virus pattern grammar license [In reply to]

IANAL but as far as I can see there should be no limitations on that.
If there are, it should be a patent, not a license?

On Thu, Jun 13, 2013 at 6:50 AM, Yoon-Chan Jhi <yoonchan [at] gmail> wrote:
> Hello,
>
> I am wondering if anyone can give me an answer on this. What is the
> license for ClamAV's virus signature grammar? I know the official CVDs
> are GPL, but I have not found anything about the grammar(i.e., the use
> of the symbols such as *, (, ), [, ], |, etc.) used in the regex-like
> sigs of the CVDs.
>
> I am writing a commercial program with a functionality detecting a set
> of patterns among many files. Borrowng the patterm describing grammar
> of ClamAV definitely has some benefit in designing, implementing, and
> testing my pattern matching engine.
>
> Regards,
>
> --
> Yoon-Chan
> _______________________________________________
> Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
> http://www.clamav.net/support/ml

--
Andrés Riancho
Project Leader at w3af - http://w3af.org/
Web Application Attack and Audit Framework
Twitter: @w3af
GPG: 0x93C344F3
_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

jesler at sourcefire

Jun 13, 2013, 8:07 AM

Post #3 of 6 (153 views)
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Re: Virus pattern grammar license [In reply to]

The code is licensed GPLv2.

--
Joel Esler
Senior Research Engineer, VRT
OpenSource Community Manager
Sourcefire

On Jun 13, 2013, at 5:50 AM, Yoon-Chan Jhi <yoonchan [at] gmail> wrote:

> Hello,
>
> I am wondering if anyone can give me an answer on this. What is the
> license for ClamAV's virus signature grammar? I know the official CVDs
> are GPL, but I have not found anything about the grammar(i.e., the use
> of the symbols such as *, (, ), [, ], |, etc.) used in the regex-like
> sigs of the CVDs.
>
> I am writing a commercial program with a functionality detecting a set
> of patterns among many files. Borrowng the patterm describing grammar
> of ClamAV definitely has some benefit in designing, implementing, and
> testing my pattern matching engine.
>
> Regards,
>
> --
> Yoon-Chan
> _______________________________________________
> Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
> http://www.clamav.net/support/ml

_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

Bowie_Bailey at BUC

Jun 13, 2013, 1:39 PM

Post #4 of 6 (150 views)
Permalink

Re: Virus pattern grammar license [In reply to]

On 6/13/2013 5:50 AM, Yoon-Chan Jhi wrote:
> Hello,
>
> I am wondering if anyone can give me an answer on this. What is the
> license for ClamAV's virus signature grammar? I know the official CVDs
> are GPL, but I have not found anything about the grammar(i.e., the use
> of the symbols such as *, (, ), [, ], |, etc.) used in the regex-like
> sigs of the CVDs.
>
> I am writing a commercial program with a functionality detecting a set
> of patterns among many files. Borrowng the patterm describing grammar
> of ClamAV definitely has some benefit in designing, implementing, and
> testing my pattern matching engine.

For regular expression pattern matching, why not use PCRE?

http://www.pcre.org/

--
Bowie
_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

yoonchan at gmail

Jun 13, 2013, 7:17 PM

Post #5 of 6 (148 views)
Permalink

Re: Virus pattern grammar license [In reply to]

Yes, the code is GPLv2.
Does it mean that the CVD format is also GPLv2?
In other words, I was wondering if I could write a proprietary
software that could read third-party signatures in the CVD format.

Regards,

Yoon-Chan

2013/6/14 Joel Esler <jesler [at] sourcefire>:
> The code is licensed GPLv2.
>
> --
> Joel Esler
> Senior Research Engineer, VRT
> OpenSource Community Manager
> Sourcefire
>
>
> _______________________________________________
> Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
> http://www.clamav.net/support/ml

--
Yoon-Chan Jhi
_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

me at junc

Jun 14, 2013, 4:30 PM

Post #6 of 6 (145 views)
Permalink

Re: Virus pattern grammar license [In reply to]

Yoon-Chan Jhi skrev den 2013-06-14 04:17:
> Yes, the code is GPLv2.
> Does it mean that the CVD format is also GPLv2?
> In other words, I was wondering if I could write a proprietary
> software that could read third-party signatures in the CVD format.

sourcefire already do this with there windows version of clamav

i still miss how to make self cvd files, not nesaserly signed by
sourcefire, cvd files are only so far created by google and sourcefire
teams

i cant understand it can be GPLv2 and incomplete at that stage

--
senders that put my email into body content will deliver it to my own
trashcan, so if you like to get reply, dont do it
_______________________________________________
Help us build a comprehensive ClamAV guide: visit http://wiki.clamav.net
http://www.clamav.net/support/ml

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