alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Connectivity Check of Unknown Origin 1"; flow:to_server,established; content:"GET"; http_method; nocase; content:"/"; urilen:1; content:"User-Agent|3a| Mozilla/4.0 (compatible)|0d 0a|Host|3a| www.google.com|0d 0a|Cache-Control|3a| no-cache|0d 0a|"; http_header; depth:85; fast_pattern:18,20; content:"PREF=ID="; http_cookie; depth:8; classtype:trojan-activity; sid:2013349; rev:3;)

Added 2012-04-02 21:11:34 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Connectivity Check of Unknown Origin 1"; content:"GET / HTTP/1.1|0d 0a|User-Agent|3a| Mozilla/4.0 (compatible)|0d 0a|Host|3a| www.google.com|0d 0a|Cache-Control|3a| no-cache|0d 0a|Cookie|3a| PREF=ID="; fast_pattern:only; classtype:trojan-activity; sid:2013349; rev:2;)

Added 2011-10-12 19:36:39 UTC


Topic revision: r1 - 2012-04-03 - TWikiGuest
 
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