Hi,

>> winnow.botnets.zu.zeus.4637.UNOFFICIAL, according to the logs. How can

> That signature is not is our active database. When did you last update your 
> files?  zeus urls and IP come and go as machines are infected and cleaned so 
> you must keep  your rules current.

# ls -l winnow_malware_links.ndb
-rw-r--r--  1 vscan vscan 489480 Sep 12 19:47 winnow_malware_links.ndb

The user also reported this on an email that was received on the 9th, I believe.

I'm also wondering how a domain name, which is what triggered this
rule, is found within this hash:

# sigtool -fwinnow.botnets.zu.zeus.4637
winnow.botnets.zu.zeus.4637:3:*:(2e|2f|40|20|3c)3230352e3137382e3138392e313239(27|22|20|2f|3d|3e|0a|0d)

How exactly is that calculated?

Thanks,
Alex
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