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# Licensed to empow under one or more contributor | ||
# license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright | ||
# ownership. empow licenses this file to you under | ||
# the Apache License, Version 2.0 (the "License"); you may | ||
# not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, | ||
# software distributed under the License is distributed on an | ||
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
# KIND, either express or implied. See the License for the | ||
# specific language governing permissions and limitations | ||
# under the License. | ||
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input{ | ||
pipeline{ | ||
address => cbdefense_pipeline | ||
} | ||
} | ||
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filter { | ||
csv { | ||
separator => "|" | ||
quote_char => "|" | ||
columns => [ | ||
"column1", | ||
"column2", | ||
"column3", | ||
"column4", | ||
"productVersion", #col 5 - ready | ||
"[event][category]", #col 6 - ready | ||
"[event][description]", #col 7 - additional processing is made below | ||
"[event][severity]", #col 8 - additional processing is made below | ||
"metadata"] #col 9 - remaining key-value fields... | ||
} | ||
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mutate { | ||
convert => {"[event][norm_risk_level]" => "integer"} | ||
} | ||
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kv { | ||
whitespace => strict | ||
source => "metadata" | ||
} | ||
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grok{ | ||
match => {"message" => "cs%{NUMBER:cs_id}Label=\"Threat_ID\""} | ||
} | ||
grok{ | ||
match => {"message" => "cs%{NUMBER:cs_info}Label=\"Link\""} | ||
} | ||
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mutate { | ||
replace => {"[destination][hostname]" => "%{dvchost},%{sntdom}"} | ||
replace => {"[destination][user][name]" => "%{duser},%{sntdom}"} | ||
rename => ["dvc", "[destination][ip]"] | ||
rename => ["cs%{cs_id}", "[event][id]"] | ||
rename => ["cs%{cs_info}", "[event][more][info]"] | ||
rename => ["act", "[event][type]"] | ||
} | ||
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if ([duser] =~ /@/) or ([sntdom] =~ /^\s*$/) { | ||
mutate { | ||
rename => ["duser", "[destination][user][name]"] | ||
} | ||
} else { | ||
mutate { | ||
add_field => { "[destination][user][name]" => "%{duser}@%{sntdom}" } | ||
} | ||
} | ||
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if ([dvchost] =~ /@/) or ([sntdom] =~ /^\s*$/) { | ||
mutate { | ||
rename => ["dvchost", "[destination][hostname]"] | ||
} | ||
} else { | ||
mutate { | ||
add_field => { "[destination][hostname]" => "%{dvchost}@%{sntdom}" } | ||
} | ||
} | ||
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#-- eventUTCTime starts | ||
date { | ||
# Feb 06 2019, 10:32:49 | ||
match => [ "rt", "UNIX", "MMM dd yyyy HH:mm:ss" ] | ||
timezone => "UTC" | ||
target => "@timestamp" | ||
} | ||
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#-- description treatment starts here: decide which service type it belongs to using the description field | ||
grok { | ||
tag_on_failure => ["isCustomService"] | ||
match => { | ||
"[event][description]" => "(A known virus \((?<malwareName>(\w+\.?)+))" | ||
} | ||
} | ||
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if "isCustomService" in [tags] { | ||
mutate { | ||
add_field => {"[observer][type]" => "Custom Service"} | ||
} | ||
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if [event][description] =~ /Multiple commands were executed via a script/ { | ||
mutate { | ||
add_field => { "[threat][technique]" => "Generic Code Execution Detection" } | ||
add_field => { "[threat][tactic]" => "Lateral Movement" } | ||
} | ||
} else if [event][description] =~ /invoked another application|acted as a network server/ { | ||
mutate { add_tag => [ "Going to forensics only"] } | ||
} else { | ||
#[event][description] =~ /A known virus was detected running|An application has created an executable|An unknown, suspect or compromised application/ { | ||
mutate { | ||
add_field => { "[threat][technique]" => "Custom External Delivery"} | ||
add_field => { "[threat][tactic]" => "External Delivery"} | ||
} | ||
} | ||
} | ||
else { | ||
mutate { | ||
add_field => {"[observer][type]" => "Anti Virus" "[event][action]" => "File Download"} | ||
rename => ["malwareName", "[threat][name]"] | ||
add_tag => [ "empow_classification"] | ||
} | ||
mutate { | ||
add_field => {"[empow][malware_name]" => "%{[threat][name]}"} | ||
} | ||
} | ||
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#-- description treatment ends here | ||
mutate { | ||
add_field => { | ||
"[observer][vendor]" => "Carbon Black" | ||
"[observer][product]" => "Cb Defense" | ||
} | ||
} | ||
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#-- remove redundant tags | ||
mutate { | ||
remove_tag => ["isCustomService"] | ||
} | ||
#-- cleanup end | ||
} | ||
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output { | ||
pipeline{ | ||
send_to => [empow_classifier_output] | ||
} | ||
} |
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input{ | ||
pipeline{ | ||
address => default_pipeline | ||
} | ||
} | ||
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output { | ||
pipeline{ | ||
send_to => [elastic_output] | ||
} | ||
} | ||
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input{ | ||
pipeline{ | ||
address => snort_pipeline | ||
} | ||
} | ||
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filter{ | ||
grok{ | ||
match => {"message" => "%{NUMBER}\>%{SYSLOGTIMESTAMP:tmp_date} snort.*: \[(?<sig_id>%{NUMBER}:%{NUMBER}):%{NUMBER}\] .* %{IP:[source][ip]}(:%{NUMBER:[source][port]})? -> %{IP:[destination][ip]}(:%{NUMBER:[destination][port]})?"} | ||
add_field => {"[observer][type]" => "IDS" "[observer][product]" => "snort"} | ||
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add_tag => ["src_ip"] | ||
add_tag => ["dst_ip"] | ||
add_tag => [ "empow_classification"] | ||
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} | ||
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mutate{ | ||
add_field => {"[empow][signature]" => "%{sig_id}"} | ||
} | ||
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date{ | ||
match => ["tmp_date", "UNIX", "MMMM dd HH:mm:ss"] | ||
target => "@timestamp" | ||
remove_field => ["tmp_date"] | ||
} | ||
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} | ||
whitelist_names => ["^source$", "^destination$", "^threat$", "^event$", "^@timestamp$", "^observer$", "^error$"] | ||
} | ||
} | ||
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output { | ||
udp{ | ||
host => "127.0.0.1" | ||
port => 1237 | ||
} | ||
} |
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# Licensed to empow under one or more contributor | ||
# license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright | ||
# ownership. empow licenses this file to you under | ||
# the Apache License, Version 2.0 (the "License"); you may | ||
# not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, | ||
# software distributed under the License is distributed on an | ||
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
# KIND, either express or implied. See the License for the | ||
# specific language governing permissions and limitations | ||
# under the License. | ||
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input{ | ||
pipeline{ | ||
address => fortinet_pipeline | ||
} | ||
} | ||
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filter{ | ||
grok{ | ||
match => {"message" => "%{NUMBER}\>(?<kv_log>.*)"} | ||
} | ||
kv{ | ||
source => "kv_log" | ||
} | ||
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mutate{ | ||
add_field => {"[observer][type]" => "IDS" "[observer][product]" => "fortinet"} | ||
rename => {"srcip" => "[source][ip]"} | ||
rename => {"srcip" => "[source][ip]"} | ||
rename => {"dstip" => "[destination][ip]"} | ||
replace => {"tmp_date" => "%{date} %{time}"} | ||
rename => {"srcport" => "[source][port]"} | ||
rename => {"dstport" => "[destination][port]"} | ||
rename => {"attack" => "[event][category]"} | ||
rename => {"msg" => "[event][description]"} | ||
rename => {"attackid" => "[empow][signature]"} | ||
add_field => {"[event][id]" => "%{[empow][signature]}"} | ||
rename => {"ref" => "[event][more_info]"} | ||
rename => {"logid" => "[event][sequence]"} | ||
rename => {"direction" => "[network][direction]"} | ||
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add_tag => ["empow_classification"] | ||
add_tag => ["src_ip"] | ||
add_tag => ["dst_ip"] | ||
} | ||
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date{ | ||
match => ["tmp_date", "UNIX", "yyyy-MM-dd HH:mm:ss"] | ||
target => "@timestamp" | ||
remove_field => ["tmp_date"] | ||
} | ||
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} | ||
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output { | ||
pipeline{ | ||
send_to => [elastic_output] | ||
} | ||
} | ||
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@@ -0,0 +1,55 @@ | ||
# Licensed to empow under one or more contributor | ||
# license agreements. See the NOTICE file distributed with | ||
# this work for additional information regarding copyright | ||
# ownership. empow licenses this file to you under | ||
# the Apache License, Version 2.0 (the "License"); you may | ||
# not use this file except in compliance with the License. | ||
# You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, | ||
# software distributed under the License is distributed on an | ||
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
# KIND, either express or implied. See the License for the | ||
# specific language governing permissions and limitations | ||
# under the License. | ||
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input{ | ||
pipeline{ | ||
address => snort_pipeline | ||
} | ||
} | ||
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filter{ | ||
grok{ | ||
match => {"message" => "%{NUMBER}\>%{SYSLOGTIMESTAMP:tmp_date} snort.*:(.*message repeated %{NUMBER:[event][hits]} times: \[)? \[(?<[event][id]>%{NUMBER}:%{NUMBER})(:%{NUMBER})?\]( \(%{GREEDYDATA:[network][protocol]}\))? %{GREEDYDATA:[event][description]} \[Classification: (?<[event][category]>[^\]]*)\] .* %{IP:[source][ip]}(:%{NUMBER:[source][port]})? -> %{IP:[destination][ip]}(:%{NUMBER:[destination][port]})?"} | ||
add_field => {"[observer][type]" => "IDS" "[observer][product]" => "snort"} | ||
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add_tag => ["src_ip"] | ||
add_tag => ["dst_ip"] | ||
add_tag => [ "empow_classification"] | ||
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} | ||
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mutate{ | ||
add_field => {"[empow][signature]" => "%{[event][id]}"} | ||
} | ||
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date{ | ||
match => ["tmp_date", "UNIX", "MMMM dd HH:mm:ss"] | ||
target => "@timestamp" | ||
remove_field => ["tmp_date"] | ||
} | ||
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} | ||
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output { | ||
pipeline{ | ||
send_to => [elastic_output] | ||
} | ||
} | ||
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