alert udp $HOME_NET any -> any 53 (msg:"ET TROJAN Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; fast_pattern; depth:10; offset:2; dsize:>300; content:!"youtube|03|com|00|"; content:!"sophosxl|03|net|00|"; content:!"|0a|hashserver|02|cs|0a|trendmicro|03|com|00|"; content:!"spamhaus|03|org|00|"; classtype:bad-unknown; sid:2013075; rev:8; metadata:created_at 2011_06_21, updated_at 2011_06_21;)

Added 2017-08-07 21:06:19 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET TROJAN Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; fast_pattern; depth:10; offset:2; dsize:>300; content:!"youtube|03|com|00|"; content:!"sophosxl|03|net|00|"; content:!"|0a|hashserver|02|cs|0a|trendmicro|03|com|00|"; content:!"spamhaus|03|org|00|"; classtype:bad-unknown; sid:2013075; rev:8;)

Added 2014-09-15 18:30:46 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET CURRENT_EVENTS Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; fast_pattern; depth:10; offset:2; dsize:>300; content:!"youtube|03|com|00|"; content:!"sophosxl|03|net|00|"; content:!"|0a|hashserver|02|cs|0a|trendmicro|03|com|00|"; content:!"spamhaus|03|org|00|"; classtype:bad-unknown; sid:2013075; rev:7;)

Added 2012-07-31 21:24:24 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET CURRENT_EVENTS Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; dsize:>300; content:!"youtube|03|com|00|"; content:!"sophosxl|03|net|00|"; content:!"|0a|hashserver|02|cs|0a|trendmicro|03|com|00|"; content:!"spamhaus|03|org|00|"; classtype:bad-unknown; sid:2013075; rev:6;)

Added 2012-06-14 00:30:56 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET CURRENT_EVENTS Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; dsize:>300; content:!"youtube|03|com|00|"; content:!"sophosxl|03|net|00|"; content:!"|0a|hashserver|02|cs|0a|trendmicro|03|com|00|"; classtype:bad-unknown; sid:2013075; rev:5;)

Added 2011-12-07 21:59:23 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET CURRENT_EVENTS Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; dsize:>200; content:!"sophosxl|03|net|00|"; content:!"|0a|hashserver|02|cs|0a|trendmicro|03|com|00|"; classtype:bad-unknown; sid:2013075; rev:4;)

Added 2011-11-23 17:00:19 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET CURRENT_EVENTS Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; dsize:>200; content:!"sophosxl|03|net|00|"; classtype:bad-unknown; sid:2013075; rev:2;)

Added 2011-10-12 19:35:58 UTC


alert udp $HOME_NET any -> any 53 (msg:"ET CURRENT_EVENTS Large DNS Query possible covert channel"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; dsize:>200; content:!"sophosxl|03|net|00|"; classtype:bad-unknown; sid:2013075; rev:2;)

Added 2011-06-27 20:14:35 UTC


Topic revision: r2 - 2011-10-14 - BillB?
 
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