#alert dns $HOME_NET any -> any any (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; dns_query; content:"btloxcyrok.info"; depth:15; fast_pattern; nocase; isdataat:!1,relative; metadata: former_category MALWARE; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:9; metadata:created_at 2014_03_14, updated_at 2019_09_28;)

Added 2020-02-26 20:42:08 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; dns_query; content:"btloxcyrok.info"; depth:15; fast_pattern; nocase; isdataat:!1,relative; metadata: former_category MALWARE; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:9; metadata:created_at 2014_03_14, updated_at 2019_09_28;)

Added 2019-10-01 08:28:08 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; dns_query; content:"btloxcyrok.info"; depth:15; fast_pattern; nocase; isdataat:!1,relative; metadata: former_category MALWARE; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:9; metadata:created_at 2014_03_14, updated_at 2019_09_28;)

Added 2019-10-01 04:22:32 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; dns_query; content:"btloxcyrok.info"; depth:15; fast_pattern; nocase; isdataat:!1,relative; metadata: former_category MALWARE; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:9; metadata:created_at 2014_03_14, updated_at 2019_09_03;)

Added 2019-09-26 19:57:35 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; dns_query; content:"btloxcyrok.info"; depth:15; fast_pattern; nocase; isdataat:!1,relative; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:9; metadata:created_at 2014_03_14, updated_at 2019_09_03;)

Added 2019-09-03 18:11:41 UTC


alert udp any any -> any 53 (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; content:"|01|"; offset:2; depth:1; content:"|00 01 00 00 00 00 00|"; distance:1; within:7; content:"|0a|btloxcyrok|04|info|00|"; fast_pattern; nocase; distance:0; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:8; metadata:created_at 2014_03_14, updated_at 2019_08_30;)

Added 2019-08-30 19:36:25 UTC


alert udp any any -> any 53 (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; content:"|01|"; offset:2; depth:1; content:"|00 01 00 00 00 00 00|"; distance:1; within:7; content:"|0a|btloxcyrok|04|info|00|"; fast_pattern; nocase; distance:0; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:8; metadata:created_at 2014_03_14, updated_at 2019_08_29;)

Added 2019-08-29 17:59:26 UTC


alert udp any any -> any 53 (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; content:"|01|"; offset:2; depth:1; content:"|00 01 00 00 00 00 00|"; distance:1; within:7; content:"|0a|btloxcyrok|04|info|00|"; fast_pattern; nocase; distance:0; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:8; metadata:created_at 2014_03_14, updated_at 2019_08_28;)

Added 2019-08-28 19:01:10 UTC


alert udp any any -> any 53 (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|0a|btloxcyrok|04|info|00|"; fast_pattern; nocase; distance:0; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:7; metadata:created_at 2014_03_14, updated_at 2014_03_14;)

Added 2018-09-13 19:48:34 UTC


Added 2018-09-13 17:58:32 UTC


alert udp any any -> any 53 (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|0a|btloxcyrok|04|info|00|"; fast_pattern; nocase; distance:0; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:7; metadata:created_at 2014_03_14, updated_at 2014_03_14;)

Added 2017-08-07 21:12:20 UTC


alert udp any any -> any 53 (msg:"ET TROJAN Perl/Calfbot C&C DNS request"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|0a|btloxcyrok|04|info|00|"; fast_pattern; nocase; distance:0; reference:url,www.welivesecurity.com/wp-content/uploads/2014/03/operation_windigo.pdf; reference:url,github.com/eset/malware-ioc; classtype:trojan-activity; sid:2018271; rev:7;)

Added 2014-03-18 18:13:57 UTC


Topic revision: r1 - 2020-02-27 - TWikiGuest
 
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