alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET TROJAN SSL Cert Used In Unknown Exploit Kit"; flow:established,from_server; content:"|16 03|"; content:"|0b|"; distance:3; within:1; byte_extract:3,0,Certs.len,relative; content:"|55 04 06 13 02|SE"; distance:3; within:Certs.len; content:"|55 04 08 13 01 20|"; distance:0; content:"|55 04 07 13 01 20|"; distance:0; content:"|55 04 0a 13 01 20|"; distance:0; content:"|55 04 0b 13 01 20|"; distance:0; content:"|55 04 03 13 01 20|"; distance:0; fast_pattern; classtype:trojan-activity; sid:2015742; rev:1;)

Added 2012-09-26 23:46:43 UTC


Topic revision: r1 - 2012-09-27 - TWikiGuest
 
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