[Exim] Virus Expressions...

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Autor: Silmar A. Marca
Data:  
A: exim-users
Assumpte: [Exim] Virus Expressions...
I'm use migrate system_filter->eximscan with exim. Have sujjestions for a simpe
transform? I' transform fourth expression in "demime = exe:com...". And other??
Have any sujestions????
In my expressions have:

1) Script embebed Outlook:
--------------
if $message_body matches "(?ixm-s)\
        (?:SCRIPT)(?:[^\"=>]*language=)?(?:3D)?\
                ([^\">]* \
                 (?:Encode) \
                [^\">]*)"
then
  fail text "Script : $1 "
  seen finish
endif
-------------------
2) Link to executables <A href=...>
if $message_body matches "(?ixm-s)\
        (?:(?:<[^>=]*)(?:href|src)(?:\\\\s*=)(?:3D)?)?\
        ((?:\"?)\
         (?:(?:http[s]?|ftp)://[^\"\? ]+/)\
         (?:[^\"\?. ]+(?:\\\\.|2E))+\


(?:ad[ep]|asd|ba[st]|chm|cmd|com|cpl|crt|dll|exe|hlp|hta|in[fs]|isp|jse?|\

jar|lnk|md[bez]|ms[cipt]|ole|ocx|pcd|pif|reg|sc[rt]|sh[sb]|sys|url|vb[es]?|vxd|ws[cfh]|cab)\
        (?:[?][=])?(?:\"?)\\\\s)"
then
  fail text "HREF exec : $1 "
  seen finish
endif
---------------------
3) Spyware IMAGES
if $message_body matches "(?ixm-s)\
        (?:src=)(?:3D)?\
        ((?:\"?)\
         (?:(?:http[s]?|ftp)://[^\"\? ]+/)\
         (?:[^\">])*(?:[?=+,])(?:[^\">])*\
        (?:\"?))(?:[^>]*>)"
then
  fail text "IMG SRC Spy : $1 "
  seen finish
endif
----------------------
4) Executables with, and without quotes or correct headers
if $message_body matches "(?ixm-s)(?:name=)(?:3D)?\
        ((?:\"?)\
         (?:[^\".]+(?:[.]|2E))+\


(?:ad[ep]|asd|ba[st]|chm|cmd|com|cpl|crt|dll|exe|hlp|hta|in[fs]|isp|jse?|\

jar|lnk|md[bez]|ms[cipt]|ole|ocx|pcd|pif|reg|sc[rt]|sh[sb]|sys|url|vb[es]?|vxd|ws[cfh]|cab)\
        (?:[?][=])?(?:\"?[\\\\s;]))"
then
  fail text "EXEC file : $1 "
  seen finish
endif
-----------------------


Cordialmente, Silmar A. Marca
GrupoGSN - Desenvolvimento, Implantação e Verificação de Servidores
Profissionais baseados em Linux/Novell
http://www.grupogsn.com.br/~marca/
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