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Getting started with adding a new security data source in your Elastic SIEM - Logstash configuration
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input { | |
beats { | |
port => 5044 | |
} | |
} | |
filter { | |
if [crowdstrike][metadata][eventType] != "DetectionSummaryEvent" { | |
drop { } | |
} | |
mutate { | |
copy => { '[crowdstrike][event][PatternDispositionDescription]' => '[event][action]' } | |
copy => { '[crowdstrike][event][Severity]' => '[event][severity]' } | |
copy => { '[crowdstrike][event][FalconHostLink]' => '[event][url]' } | |
copy => { '[crowdstrike][event][MD5String]' => '[file][hash][md5]' } | |
copy => { '[crowdstrike][event][SHA256String]' => '[file][hash][sha256]' } | |
copy => { '[crowdstrike][event][ComputerName]' => '[host][name]' } | |
rename => { '[crowdstrike][event][DetectDescription]' => '[message]' } | |
copy => { '[crowdstrike][event][CommandLine]' => '[process][command_line]' } | |
copy => { '[crowdstrike][event][FileName]' => '[process][name]' } | |
copy => { '[crowdstrike][event][DetectName]' => '[rule][name]' } | |
copy => { '[crowdstrike][event][Tactic]' => '[threat][tactic][name]' } | |
copy => { '[crowdstrike][event][Technique]' => '[threat][technique][name]' } | |
copy => { '[crowdstrike][event][MachineDomain]' => '[user][domain]' } | |
copy => { '[crowdstrike][event][UserName]' => '[user][name]' } | |
copy => { '[crowdstrike][event][SensorId]' => '[agent][id]' } | |
add_field => { '[event][kind]' => 'alert' } | |
add_field => { '[event][type]' => [ 'info' ] } | |
add_field => { '[event][category]' => [ 'malware' ] } | |
} | |
date { | |
match => ["[crowdstrike][metadata][eventCreationTime]", "UNIX_MS"] | |
target => "[@timestamp]" | |
} | |
} | |
output { | |
elasticsearch { | |
hosts => [""] | |
index => "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}" | |
user => "elastic" | |
password => "" | |
} | |
} |
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