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Re: Openadvertising.com Malware Campaign malicious jar sigs
From: Joel Esler <jesler () sourcefire com>
Date: Tue, 18 Jun 2013 19:06:55 -0400

Thanks James!

On Jun 18, 2013, at 6:47 PM, James Lay <jlay () slave-tothe-box net> wrote:

Again, slowish day:

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS 
(msg:"INDICATOR-COMPROMSED openxadvertising.com Malvertising Campaign 
URI request 1"; flow:to_server,established; 
content:"|2f|.cache|2f||3f|f=site.jar&k=&h="; http_uri; metadata:policy 
balanced-ips drop, policy security-ips drop, service http; 
reference:url,http://research.zscaler.com/2013/06/openxadvertisingcom-mass-malvertising.html; 
classtype:trojan-activity; sid:10000078; rev:1;)

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS 
(msg:"INDICATOR-COMPROMSED openxadvertising.com Malvertising Campaign 
URI request 2"; flow:to_server,established; 
content:"|2f|.cache|2f||3f|f=atom.jar&k=&h="; http_uri; metadata:policy 
balanced-ips drop, policy security-ips drop, service http; 
reference:url,http://research.zscaler.com/2013/06/openxadvertisingcom-mass-malvertising.html; 
classtype:trojan-activity; sid:10000079; rev:1;)

James

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