On Thu, 7 Aug 2008 16:34:04 +0100 "Chambers, Phil" <[EMAIL PROTECTED]> wrote:
>I have a local ndb file containing signatures of some spear phishing >attacks targeted specifically at us. > >I recently added another signature and it cause clamd to shut down! > >Two points: > >1) Surely clamd should log the problem but skip the faulty signature >and carry on? > >I am now extremely concerned about creating new signatures because of >the risk of taking clamd out, with the serious consequences that that >entails. > >2) I have gone through my new signature time and time again and >compared it with others that are fine and I can't find anything wrong >with it! > >I have looked at the source code and there are numerous places where it >detects problems with signature, but they all generate the same failure >message: "Malformed database". > >It is going to take me a very long time to patch the code to make it >generate different error messages for each case where a signature can >be malformed, so that I can diagnose my problem, but I see no >alternative. > >That is, unless there is a tool available to check signatures before >they are installed. Does anyone have any suggestions? > >The failing signature is: > >Email.Phishing.Exeter.0002:0:0,6:44656172{-18}537562736372696265722c{-4} >5765{-4}617265{-4}63757272656e746c79{-4}6361727279696e672d6f7574{-4}61{- >4}6d656e7461696e616e6365{-4}70726f63657373{-4}746f{-4}796f7572{-18}61636 >36f756e742c{-4}746f{-4}636f6d706c657465{-4}74686973 You might try perhaps placing your new signature into an "ndb" file and then running something like: clamscan -d Path-2-NDB-file That would report if there were a malformed signature in the file. -- Gerard [EMAIL PROTECTED] "The jig's up, Elman." "Which jig?" Jeff Elman
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