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Tenable.io support (#70)

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* Basic tenable.io support

* Add tenable config section

* Use existing variable

* Fix indent

* Fix paren

* Use ternary syntax

* Update Logstash config for tenable.io
This commit is contained in:
pemontto
2018-06-27 03:03:08 +10:00
committed by Austin Taylor
parent 9b10711d34
commit 38d2eec065
4 changed files with 90 additions and 22 deletions
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66
logstash/1000_nessus_process_file.conf
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@ -12,19 +12,26 @@ input {
tags => "nessus"
type => "nessus"
}
file {
path => "/opt/vulnwhisperer/tenable/*.csv"
start_position => "beginning"
tags => "tenable"
type => "tenable"
}
}
filter {
if "nessus" in [tags]{
if "nessus" in [tags] or "tenable" in [tags] {
# Drop the header column
if [message] =~ "^Plugin ID" { drop {} }
csv {
columns => ["plugin_id", "cve", "cvss", "risk", "asset", "protocol", "port", "plugin_name", "synopsis", "description", "solution", "see_also", "plugin_output"]
# columns => ["plugin_id", "cve", "cvss", "risk", "asset", "protocol", "port", "plugin_name", "synopsis", "description", "solution", "see_also", "plugin_output"]
columns => ["plugin_id", "cve", "cvss", "risk", "asset", "protocol", "port", "plugin_name", "synopsis", "description", "solution", "see_also", "plugin_output", "asset_uuid", "vulnerability_state", "ip", "fqdn", "netbios", "operating_system", "mac_address", "plugin_family", "cvss_base", "cvss_temporal", "cvss_temporal_vector", "cvss_vector", "cvss3_base", "cvss3_temporal", "cvss3_temporal_vector", "cvss_vector", "system_type", "host_start", "host_end"]
separator => ","
source => "message"
}
ruby {
code => "if event.get('description')
event.set('description', event.get('description').gsub(92.chr + 'n', 10.chr).gsub(92.chr + 'r', 13.chr))
@ -42,7 +49,7 @@ filter {
event.set('plugin_output', event.get('plugin_output').gsub(92.chr + 'n', 10.chr).gsub(92.chr + 'r', 13.chr))
end"
}
#If using filebeats as your source, you will need to replace the "path" field to "source"
grok {
match => { "path" => "(?<scan_name>[a-zA-Z0-9_.\-]+)_%{INT:scan_id}_%{INT:history_id}_%{INT:last_updated}.csv$" }
@ -71,24 +78,57 @@ filter {
mutate { add_field => { "risk_number" => 4 }}
}
if [cve] == "nan" {
if ![cve] or [cve] == "nan" {
mutate { remove_field => [ "cve" ] }
}
if [cvss] == "nan" {
if ![cvss] or [cvss] == "nan" {
mutate { remove_field => [ "cvss" ] }
}
if [see_also] == "nan" {
mutate { remove_field => [ "see_also" ] }
if ![cvss_base] or [cvss_base] == "nan" {
mutate { remove_field => [ "cvss_base" ] }
}
if [description] == "nan" {
if ![cvss_temporal] or [cvss_temporal] == "nan" {
mutate { remove_field => [ "cvss_temporal" ] }
}
if ![cvss_temporal_vector] or [cvss_temporal_vector] == "nan" {
mutate { remove_field => [ "cvss_temporal_vector" ] }
}
if ![cvss_vector] or [cvss_vector] == "nan" {
mutate { remove_field => [ "cvss_vector" ] }
}
if ![cvss3_base] or [cvss3_base] == "nan" {
mutate { remove_field => [ "cvss3_base" ] }
}
if ![cvss3_temporal] or [cvss3_temporal] == "nan" {
mutate { remove_field => [ "cvss3_temporal" ] }
}
if ![cvss3_temporal_vector] or [cvss3_temporal_vector] == "nan" {
mutate { remove_field => [ "cvss3_temporal_vector" ] }
}
if ![description] or [description] == "nan" {
mutate { remove_field => [ "description" ] }
}
if [plugin_output] == "nan" {
if ![mac_address] or [mac_address] == "nan" {
mutate { remove_field => [ "mac_address" ] }
}
if ![netbios] or [netbios] == "nan" {
mutate { remove_field => [ "netbios" ] }
}
if ![operating_system] or [operating_system] == "nan" {
mutate { remove_field => [ "operating_system" ] }
}
if ![plugin_output] or [plugin_output] == "nan" {
mutate { remove_field => [ "plugin_output" ] }
}
if [synopsis] == "nan" {
if ![see_also] or [see_also] == "nan" {
mutate { remove_field => [ "see_also" ] }
}
if ![synopsis] or [synopsis] == "nan" {
mutate { remove_field => [ "synopsis" ] }
}
if ![system_type] or [system_type] == "nan" {
mutate { remove_field => [ "system_type" ] }
}
mutate {
remove_field => [ "message" ]
@ -170,8 +210,8 @@ filter {
}
output {
if "nessus" in [tags] or [type] == "nessus" {
#stdout { codec => rubydebug }
if "nessus" in [tags] or "tenable" in [tags] or [type] in [ "nessus", "tenable" ] {
# stdout { codec => rubydebug }
elasticsearch {
hosts => [ "localhost:9200" ]
index => "logstash-vulnwhisperer-%{+YYYY.MM}"