Cleanup logstash configs

This commit is contained in:
pemontto
2019-04-15 20:10:49 +10:00
parent 74ebf43492
commit 97d2a2606c
5 changed files with 138 additions and 188 deletions

View File

@ -27,95 +27,49 @@ input {
filter {
if "nessus" in [tags] or "tenable" in [tags] {
date {
match => [ "_timestamp", "UNIX" ]
target => "@timestamp"
remove_field => ["timestamp"]
}
#If using filebeats as your source, you will need to replace the "path" field to "source"
# Remove when scan name is included in event (current method is error prone)
grok {
match => { "path" => "(?<scan_name>[a-zA-Z0-9_.\-]+)_%{INT:scan_id}_%{INT:history_id}_%{INT:last_updated}.(csv|json)$" }
match => { "path" => "([a-zA-Z0-9_.\-]+)_%{INT}_%{INT:history_id}_%{INT}.json$" }
tag_on_failure => []
}
# TODO remove when @timestamp is included in event
date {
match => [ "last_updated", "UNIX" ]
target => "@timestamp"
remove_field => ["last_updated"]
}
if [risk] == "None" {
mutate { add_field => { "risk_number" => 0 }}
}
if [risk] == "Low" {
mutate { add_field => { "risk_number" => 1 }}
}
if [risk] == "Medium" {
mutate { add_field => { "risk_number" => 2 }}
}
if [risk] == "High" {
mutate { add_field => { "risk_number" => 3 }}
}
if [risk] == "Critical" {
mutate { add_field => { "risk_number" => 4 }}
}
if ![cve] or [cve] == "nan" {
mutate { remove_field => [ "cve" ] }
}
if ![cvss] or [cvss] == "nan" {
mutate { remove_field => [ "cvss" ] }
}
if ![cvss_base] or [cvss_base] == "nan" {
mutate { remove_field => [ "cvss_base" ] }
}
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 ![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 ![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" ] }
translate {
field => "[risk]"
destination => "[risk_number]"
dictionary => {
"None" => 0
"Low" => 1
"Medium" => 2
"High" => 3
"Critical" => 4
}
}
mutate {
remove_field => [ "message" ]
add_field => { "risk_score" => "%{cvss}" }
}
mutate {
convert => { "risk_score" => "float" }
convert => { "cvss_base" => "float"}
convert => { "cvss_temporal" => "float"}
convert => { "cvss" => "float"}
convert => { "cvss3_base" => "float"}
convert => { "cvss3_temporal" => "float"}
convert => { "cvss3" => "float"}
convert => { "id" => "integer"}
convert => { "plugin_id" => "integer"}
convert => { "risk_number" => "integer"}
convert => { "risk_score" => "float"}
convert => { "total_times_detected" => "integer"}
}
if [risk_score] == 0 {
mutate {
add_field => { "risk_score_name" => "info" }