Release 4.50.9 : Re: Worm.VB-8 not detected by filename or filetype

Dhawal Doshy dhawal at netmagicsolutions.com
Thu Jan 19 09:04:02 GMT 2006


Julian Field wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> 
> 
> On 18 Jan 2006, at 22:12, Dhawal Doshy wrote:
> 
>> Dhawal Doshy wrote:
>>>>>>>>>>> Julian Field wrote:
>>>>>>>>>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>>>>>>>>>>
>>>>>>>>>>>> I have just released 4.50.9 which will decode the UU- 
>>>>>>>>>>>> encoded file  attached to these messages, so that the  
>>>>>>>>>>>> virus scanners should all  catch it, filename traps will  
>>>>>>>>>>>> work on the .scr file inside the .bhx  file, filetype  
>>>>>>>>>>>> traps will work on it too.
>>>>>>>>>>> Just successfully upgraded a couple of production servers..
>>>>>>>>>> I notice this in the logs..
>>>>>>>>>> Jan 18 20:54:00 mx1 MailScanner[13545]: Infected message  
>>>>>>>>>> 73CEF28ABDE.D9736 came from
>>>>>>>>>>
>>>>>>>>>> The IP address is blank :-(, i'll try and run this through  
>>>>>>>>>> the debug sometime later.
>>>>>>>>> The debug mode didn't tell me anything (apart from the EOCD  
>>>>>>>>> thingy).. how do i track this problem?
>> Julian,
>>
>> I *might* have figured the error, here's the situation..
>>
>> Notify Senders Of Viruses = no
>> Notify Senders Of Blocked Filenames Or Filetypes = yes
>>
>> But filename.rules.conf has been modified to use deny+delete rather  
>> than simply deny.
>> deny+delete     \.pif$ - -
>> deny+delete     \.scr$ - -
>> deny+delete     \.cpl$ - -
>>
>> Yet MailScanner (i think) tries to send out a notification for the  
>> policy violation and yes.. this time being sent from localhost it  
>> obviously doesn't show the IP address. The problem is it goes into  
>> an endless loop post this situation of trying to send out the  
>> notification. Any ideas?
> 
> I don't understand your explanation. Are you saying that MailScanner  
> gets stuck in an endless loop?

[root at mx1 MailScanner]# find /var/spool/MailScanner/incoming/ -type f | 
wc -l
3402
[root at mx1 MailScanner]# find /var/spool/postfix/hold/ -type f | wc -l
57

Nothing from mailscanner incoming workdir gets deleted.. and hence it 
continues processing the message again and again..

- dhawal


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