[clamav-users] [External] xlsm files

Joe Acquisto-j4 joea at j4computers.com
Tue Dec 22 23:08:02 UTC 2020


>>On 12/22/2020 5:51 PM, Joe Acquisto-j4 wrote:
>> Quite new to clamav.   Using with Spamassassin on Linux and it appears to 
> scan properly and detects EICAR as an attachment.
>>
>> For last several weeks have been getting SPAM with xlsm file attached, 
> claiming to be invoice or payment receipt or whatever.  "Please open" sort of 
> messages.
>>
>> Since these are macro enabled, and clearly have no validity in my context, 
> one presumes malicious intent.   ClamAV does not detect any evil thing-lets, 
> but then, I have scanned the files with other AV products and they do not 
> detect anything either.
>>
>> So, why do I worry?  Am I deluded as to the potential danger or have I 
> simply failed to properly inform the AV products, ClamAV specifically, to 
> inspect these files properly?  Or, must I add additional (signature?) 
> packages I am not aware of?
>>
>> joe a.
>>
> Joe, you might look at enabling the OLEVBMacro plugin and adding the KAM 
> Ruleset, https://mcgrail.com/template/kam.cf_channel, which has rules to 
> help combat these type of spam emails.
> 
> Regards,
> KAM
> 

Kevin, I hesitate to ask here, but, you refer to SA I believe?  I've been lurking there regarding the KAM discussion.

joe a.





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