[Snort-sigs] Necessary Change for "1:21417 <-> SPECIFIC-THREATS hostile PDF associated with Laik exploit kit"

waldo kitty wkitty42 at ...3507...
Fri Mar 30 23:16:36 EDT 2012


On 3/30/2012 08:25, Joel Esler wrote:
> I made many announcements. Both on the list and on the blog. In fact, I titled the blog post the exact error, so if people will Google the error it will come right up.  It's on the blog at blog.snort.org

i thought that you had... but when i checked, i couldn't find anything so i 
wrote my message... i definitely remember some traffic about it but :?

thanks again!

>
> --
> Joel Esler
>
> On Mar 30, 2012, at 12:20 AM, waldo kitty<wkitty42 at ...3507...>  wrote:
>
>> On 3/5/2012 10:48, Joel Esler wrote:
>>> Nathan, I changed our rule to this:
>>>
>>> alert tcp $EXTERNAL_NET $FILE_DATA_PORTS ->   $HOME_NET any (msg:"SPECIFIC-THREATS hostile PDF associated with Laik exploit kit"; flow:to_client,established; flowbits:isset,file.pdf; file_data; content:"%PDF-1.6|0D 0A|"; content:") /CreationDate (D:20110405234628)>>"; fast_pattern:only; metadata:policy balanced-ips drop, policy security-ips drop, service http; classtype:trojan-activity; sid:21417; rev:3;)
>>>
>>> It fires perfectly.  Thanks for the update.
>> hey joel, wasn't there a blog announcement about FILE_DATA_PORTS? i've numerous
>> folk contacting me about IDS failures concerning this change and i'm unable to
>> find where to point them for the changes they need to make :(





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