Thanasis Naskos / CUREX - Knowledge Extraction Analytics - KEA

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CEPTD/docker/logstash/dist/logstash.conf 1.64 KB
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626c0d577   George Vlahavas   Use a docker volu... 
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  u Input section
0d8c0f816   Thanasis Naskos   initial commit 
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  input {
  
  # Suricata
    file {
626c0d577   George Vlahavas   Use a docker volu... 
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      path => ["/data/eve.json"]
0d8c0f816   Thanasis Naskos   initial commit 
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      codec => json
      type => "Suricata"
    }
    file {
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      path => ["/data/capec.json"]
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      codec => json
      type => "CAPEC"
    }
  }
  
  # Filter Section
  filter {
  # Suricata
    if [type] == "Suricata" {
      date {
        match => [ "timestamp", "ISO8601" ]
      }
      translate {
        refresh_interval => 86400
        field => "[alert][signature_id]"
        destination => "[alert][cve_id]"
        dictionary_path => "/etc/listbot/cve.yaml"
  #      fallback => "-"
      }
    }
  
  # Drop if parse fails
  if "_grokparsefailure" in [tags] { drop {} }
  
  # Add geo coordinates / ASN info / IP rep.
    if [src_ip]  {
      geoip {
        cache_size => 10000
        source => "src_ip"
        database => "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-filter-geoip-6.0.3-java/vendor/GeoLite2-City.mmdb"
      }
      geoip {
        cache_size => 10000
        source => "src_ip"
        database => "/usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-filter-geoip-6.0.3-java/vendor/GeoLite2-ASN.mmdb"
      }
      translate {
        refresh_interval => 86400
        field => "src_ip"
        destination => "ip_rep"
        dictionary_path => "/etc/listbot/iprep.yaml"
      }
    }
  
  # In some rare conditions dest_port, src_port, status are indexed as string, forcing integer for now
    if [dest_port] {
      mutate {
          convert => { "dest_port" => "integer" }
      }
    }
    if [src_port] {
      mutate {
          convert => { "src_port" => "integer" }
      }
    }
    if [status] {
      mutate {
          convert => { "status" => "integer" }
      }
    }
  
  
  }
  
  # Output section
  output {
    elasticsearch {
      hosts => ["elasticsearch:9200"]
    }
  }