alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN ZeroAccess? Checkin"; flow:established,to_server; content:"GET"; http_method; content:"/counter.img?theme="; fast_pattern:only; http_uri; content:"&digits="; http_uri; content:"&siteId="; http_uri; content:"User-Agent|3a| Opera/9 (Windows NT"; http_header; reference:url,sophos.com/en-us/medialibrary/PDFs/technical%20papers/Sophos_ZeroAccess_Botnet.pdf; reference:url,malwaremustdie.blogspot.co.uk/2013/02/blackhole-of-closest-version-with.html; classtype:trojan-activity; sid:2015723; rev:2;)

Added 2014-04-03 17:50:46 UTC


Topic revision: r1 - 2014-04-03 - TWikiGuest
 
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