[Snort-users] Heartbleed Rule

Nicholas Bogart nickybzoss at ...11827...
Wed Apr 9 07:08:35 EDT 2014


Awesome thanks... I tried searching through all my emails for the list to
see if this was done.  Glad to see I was on the right track.  Will let the
boss know.



Nick


On Wed, Apr 9, 2014 at 1:55 PM, Joel Esler (jesler) <jesler at ...589...>wrote:

> Nick,
>
> Might want to review the latest post on http://vrt-blog.snort.org.
>
> --
> Joel Esler
> Sent from my iPhone
>
> On Apr 9, 2014, at 4:46, "Nicholas Bogart" <nickybzoss at ...11827...> wrote:
>
> Boss asked me about creating a rule for the OpenSSL Heartbleed.  I asked
> him why not just go update all the servers.  He just stared at me.  So I am
> submitting to the community for review and comment the rule I drew up on
> this proof-of-concept exploit for the heartbleed vulnerability.
>
> Exploit - https://gist.github.com/takeshixx/10107280
> CVE - https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0160
> Heartbleed References -
> http://threatpost.com/seriousness-of-openssl-heartbleed-bug-sets-in/105309
> https://threatpost.com/openssl-fixes-tls-vulnerability/105300
>
> alert tcp any any -> $HOME_NET 443 (msg:"Attempted Heartbleed access
> exploitation for OpenSSL 1.0.1f and lower"; flow: to_server; content:"| 18
> 03 02 00 03 01 40 00 |"; reference:cve, CVE-2014-0160;)
>
>
> NickyB
>
>
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