[clamav-users] Custom signature question

2014-07-08 Thread alex
Hello, I'm trying to create signatures for clamav, to detect exe and mp3 files. Seems to work for exe, but strangely not for mp3, despite the fact I did excatly the same in both cases: Getting signatures for both files: alex:~$ dd if=exefile.exe count=1 | sigtool --hex-dum 1+0 Datensätze ein

Re: [clamav-users] Custom signature question

2014-07-08 Thread Steve Basford
On Tue, July 8, 2014 3:41 pm, a...@alb.de wrote: alex:~$ dd if=mp3file.mp3 count=1 | sigtool --hex-dump alex:~$ clamscan mp3file.exe Hi Alex, In the daily.ftm file, mp3 filetypes are ignored. 0:0:494433:MP3:CL_TYPE_ANY:CL_TYPE_IGNORED Cheers, Steve Sanesecurity

Re: [clamav-users] Custom signature question

2014-07-08 Thread Steve Basford
I guess, if you *really* wanted to block mp3's being emailed you could create a type4 ndb signature to match the mp3 base64 in the email ? eg... email format... == Content-Type: audio/mpeg; name=test.mp3 Content-Transfer-Encoding: base64 Content-Disposition: attachment;