Snort mailing list archives

Re: Low hanging fruit #2


From: Joel Esler <jesler () sourcefire com>
Date: Thu, 13 Sep 2012 12:05:31 -0400

On Sep 13, 2012, at 12:01 PM, James Lay <jlay () slave-tothe-box net> wrote:
On 2012-09-13 09:55, Joel Esler wrote:
Thanks James, taking a look.

On Sep 12, 2012, at 5:58 PM, James Lay <jlay () slave-tothe-box net> wrote:

Yea...that was a good read on the Apache Mod issue:

alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any
(msg:"INDICATOR-COMPROMISE Page with YWZmaWQ9MDUyODg"; flow:to_client,
established; file_data; content:"YWZmaWQ9MDUyODg"; metadata:policy
balanced-ips drop, policy security-ips drop, service http;
classtype:bad-unknown; sid:10000026;
reference:url,blog.sucuri.net/2012/09/compromised-websites-hosting-calls-to-java-exploit.html;
rev:1;)

http://blog.sucuri.net/2012/09/compromised-websites-hosting-calls-to-java-exploit.html
http://blog.unmaskparasites.com/2012/09/10/malicious-apache-module-injects-iframes/

Certain this rule will be exciting until they change their ways.
Hopefully I've got the flow right..don't have a pcap to bounce it off
of.

James



Thanks Joel,

Looks like I jumped the gun as sigs 2015649 and 2015698 on the ET side have this.  I'll check ALL the rulesets from 
now on to make sure I'm not wasting anyone's time.  Happy Thursday :)

Good.  However, to protect all customers, I'm still going to perform the research and write the rules.


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