mirror of
https://github.com/Security-Onion-Solutions/securityonion.git
synced 2025-12-06 17:22:49 +01:00
Merge pull request #8784 from Security-Onion-Solutions/2.4/zeek
2.4/zeek
This commit is contained in:
Josh Patterson
GitHub
@@ -1,55 +1 @@
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zeek:
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zeekctl:
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MailTo: root@localhost
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MailConnectionSummary: 1
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MinDiskSpace: 5
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MailHostUpDown: 1
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LogRotationInterval: 3600
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LogExpireInterval: 0
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StatsLogEnable: 1
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StatsLogExpireInterval: 0
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StatusCmdShowAll: 0
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CrashExpireInterval: 0
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SitePolicyScripts: local.zeek
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LogDir: /nsm/zeek/logs
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SpoolDir: /nsm/zeek/spool
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CfgDir: /opt/zeek/etc
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CompressLogs: 1
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local:
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'@load':
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- misc/loaded-scripts
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- tuning/defaults
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- misc/capture-loss
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- misc/stats
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- frameworks/software/vulnerable
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- frameworks/software/version-changes
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- protocols/ftp/software
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- protocols/smtp/software
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- protocols/ssh/software
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- protocols/http/software
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- protocols/dns/detect-external-names
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- protocols/ftp/detect
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- protocols/conn/known-hosts
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- protocols/conn/known-services
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- protocols/ssl/known-certs
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- protocols/ssl/validate-certs
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- protocols/ssl/log-hostcerts-only
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- protocols/ssh/geo-data
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- protocols/ssh/detect-bruteforcing
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- protocols/ssh/interesting-hostnames
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- protocols/http/detect-sqli
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- frameworks/files/hash-all-files
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- frameworks/files/detect-MHR
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- policy/frameworks/notice/extend-email/hostnames
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- ja3
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- hassh
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- intel
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- cve-2020-0601
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- securityonion/bpfconf
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- securityonion/communityid
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- securityonion/file-extraction
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'@load-sigs':
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- frameworks/signatures/detect-windows-shells
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redef:
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- LogAscii::use_json = T;
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- CaptureLoss::watch_interval = 5 mins;
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@@ -1,8 +1,10 @@
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{% set ROLE_GLOBALS = {} %}
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{% set SENSOR_GLOBALS = []
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{% set SENSOR_GLOBALS = {
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'sensor': {
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'interface': pillar.sensor.interface
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}
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}
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%}
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{% for sg in SENSOR_GLOBALS %}
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{% do salt['defaults.merge'](ROLE_GLOBALS, sg, merge_lists=False, in_place=True) %}
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{% endfor %}
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{% do salt['defaults.merge'](ROLE_GLOBALS, SENSOR_GLOBALS, merge_lists=False, in_place=True) %}
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@@ -1,3 +1,9 @@
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{% from 'vars/sensor.map.jinja' import ROLE_GLOBALS %}
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{% import_yaml 'zeek/defaults.yaml' as zeek_defaults with context %}
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{% set zeek_pillar = salt['pillar.get']('zeek', []) %}
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{% set ZEEKMERGED = salt['defaults.merge'](zeek_defaults, zeek_pillar, in_place=False) %}
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{% do ZEEKMERGED.zeek.config.node.update({'interface': ROLE_GLOBALS.sensor.interface}) %}
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{% set ZEEKOPTIONS = {} %}
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{% set ENABLED = salt['pillar.get']('zeek:enabled', True) %}
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@@ -1,9 +1,10 @@
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zeek:
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config:
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node:
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lb_procs: 1
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zeek_pins_enabled: False
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zeek_pins: []
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lb_procs: 0
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pins_enabled: False
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pins: []
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buffer: 128*1024*1024
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zeekctl:
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MailTo: root@localhost
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MailConnectionSummary: 1
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@@ -20,35 +21,8 @@ zeek:
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SpoolDir: /nsm/zeek/spool
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CfgDir: /opt/zeek/etc
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CompressLogs: 1
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policy:
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file_extraction:
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- application/x-dosexec: exe
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- application/pdf: pdf
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- application/msword: doc
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- application/vnd.ms-powerpoint: doc
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- application/rtf: doc
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- application/vnd.ms-word.document.macroenabled.12: doc
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- application/vnd.ms-word.template.macroenabled.12: doc
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- application/vnd.ms-powerpoint.template.macroenabled.12: doc
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- application/vnd.ms-excel: doc
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- application/vnd.ms-excel.addin.macroenabled.12: doc
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- application/vnd.ms-excel.sheet.binary.macroenabled.12: doc
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- application/vnd.ms-excel.template.macroenabled.12: doc
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- application/vnd.ms-excel.sheet.macroenabled.12: doc
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- application/vnd.openxmlformats-officedocument.presentationml.presentation: doc
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- application/vnd.openxmlformats-officedocument.presentationml.slide: doc
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- application/vnd.openxmlformats-officedocument.presentationml.slideshow: doc
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- application/vnd.openxmlformats-officedocument.presentationml.template: doc
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- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet: doc
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- application/vnd.openxmlformats-officedocument.spreadsheetml.template: doc
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- application/vnd.openxmlformats-officedocument.wordprocessingml.document: doc
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- application/vnd.openxmlformats-officedocument.wordprocessingml.template: doc
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- application/vnd.ms-powerpoint.addin.macroenabled.12: doc
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- application/vnd.ms-powerpoint.slide.macroenabled.12: doc
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- application/vnd.ms-powerpoint.presentation.macroenabled.12: doc
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- application/vnd.ms-powerpoint.slideshow.macroenabled.12: doc
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- application/vnd.openxmlformats-officedocument: doc
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load:
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local:
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'@load':
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- misc/loaded-scripts
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- tuning/defaults
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- misc/capture-loss
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@@ -80,8 +54,38 @@ zeek:
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- securityonion/bpfconf
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- securityonion/communityid
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- securityonion/file-extraction
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load-sigs:
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'@load-sigs':
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- frameworks/signatures/detect-windows-shells
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redef:
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- LogAscii::use_json = T;
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- CaptureLoss::watch_interval = 5 mins;
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networks:
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HOME_NET: 192.168.0.0/16,10.0.0.0/8,172.16.0.0/12
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file_extraction:
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- application/x-dosexec: exe
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- application/pdf: pdf
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- application/msword: doc
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- application/vnd.ms-powerpoint: doc
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- application/rtf: doc
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- application/vnd.ms-word.document.macroenabled.12: doc
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- application/vnd.ms-word.template.macroenabled.12: doc
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- application/vnd.ms-powerpoint.template.macroenabled.12: doc
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- application/vnd.ms-excel: doc
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- application/vnd.ms-excel.addin.macroenabled.12: doc
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- application/vnd.ms-excel.sheet.binary.macroenabled.12: doc
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- application/vnd.ms-excel.template.macroenabled.12: doc
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- application/vnd.ms-excel.sheet.macroenabled.12: doc
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- application/vnd.openxmlformats-officedocument.presentationml.presentation: doc
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- application/vnd.openxmlformats-officedocument.presentationml.slide: doc
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- application/vnd.openxmlformats-officedocument.presentationml.slideshow: doc
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- application/vnd.openxmlformats-officedocument.presentationml.template: doc
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- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet: doc
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- application/vnd.openxmlformats-officedocument.spreadsheetml.template: doc
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- application/vnd.openxmlformats-officedocument.wordprocessingml.document: doc
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- application/vnd.openxmlformats-officedocument.wordprocessingml.template: doc
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- application/vnd.ms-powerpoint.addin.macroenabled.12: doc
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- application/vnd.ms-powerpoint.slide.macroenabled.12: doc
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- application/vnd.ms-powerpoint.presentation.macroenabled.12: doc
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- application/vnd.ms-powerpoint.slideshow.macroenabled.12: doc
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- application/vnd.openxmlformats-officedocument: doc
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bpf: []
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@@ -1,9 +1,5 @@
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{%- if salt['pillar.get']('sensor:hnsensor') %}
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{%- set HOME_NET = salt['pillar.get']('sensor:hnsensor') %}
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{%- else %}
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{%- set HOME_NET = salt['pillar.get']('global:hnmanager') %}
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{%- endif %}
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{%- set HNLIST = HOME_NET.split(',') %}
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{%- for HN in HNLIST %}
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{%- if NETWORKS.HOME_NET %}
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{%- for HN in NETWORKS.HOME_NET.split(',') %}
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{{ HN }}
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{%- endfor %}
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{%- endif %}
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@@ -1,45 +0,0 @@
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{%- set interface = salt['pillar.get']('sensor:interface', 'bond0') %}
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{%- if salt['pillar.get']('sensor:zeek_pins') or salt['pillar.get']('sensor:zeek_lbprocs') %}
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{%- if salt['pillar.get']('sensor:zeek_proxies') %}
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{%- set proxies = salt['pillar.get']('sensor:zeek_proxies', '1') %}
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{%- else %}
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{%- if salt['pillar.get']('sensor:zeek_pins') %}
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{%- set proxies = (salt['pillar.get']('sensor:zeek_pins')|length/10)|round(0, 'ceil')|int %}
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{%- else %}
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{%- set proxies = (salt['pillar.get']('sensor:zeek_lbprocs')/10)|round(0, 'ceil')|int %}
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{%- endif %}
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{%- endif %}
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[manager]
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type=manager
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host=localhost
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[logger]
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type=logger
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host=localhost
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[proxy]
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type=proxy
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host=localhost
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[worker-1]
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type=worker
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host=localhost
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interface=af_packet::{{ interface }}
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lb_method=custom
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{%- if salt['pillar.get']('sensor:zeek_lbprocs') %}
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lb_procs={{ salt['pillar.get']('sensor:zeek_lbprocs', '1') }}
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{%- else %}
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lb_procs={{ salt['pillar.get']('sensor:zeek_pins')|length }}
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{%- endif %}
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{%- if salt['pillar.get']('sensor:zeek_pins') %}
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pin_cpus={{ salt['pillar.get']('sensor:zeek_pins')|join(", ") }}
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{%- endif %}
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af_packet_fanout_id=23
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af_packet_fanout_mode=AF_Packet::FANOUT_HASH
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af_packet_buffer_size={{ salt['pillar.get']('sensor:zeek_buffer', 128*1024*1024) }}
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{%- else %}
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[zeeksa]
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type=standalone
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host=localhost
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interface={{ interface }}
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{%- endif %}
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35
salt/zeek/files/node.cfg.jinja
Normal file
35
salt/zeek/files/node.cfg.jinja
Normal file
@@ -0,0 +1,35 @@
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{%- if NODE.pins or NODE.lb_procs %}
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[manager]
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type=manager
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host=localhost
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[logger]
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type=logger
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host=localhost
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[proxy]
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type=proxy
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host=localhost
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[worker-1]
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type=worker
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host=localhost
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interface=af_packet::{{ NODE.interface }}
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lb_method=custom
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{%- if NODE.lb_procs %}
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lb_procs={{ NODE.lb_procs }}
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{%- else %}
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lb_procs={{ NODE.pins | length }}
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{%- endif %}
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{%- if NODE.pins %}
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pin_cpus={{ NODE.pins | join(", ") }}
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{%- endif %}
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af_packet_fanout_id=23
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af_packet_fanout_mode=AF_Packet::FANOUT_HASH
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af_packet_buffer_size={{ NODE.buffer }}
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{%- else %}
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[zeeksa]
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type=standalone
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host=localhost
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interface={{ NODE.interface }}
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{%- endif %}
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@@ -6,16 +6,11 @@
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{% from 'allowed_states.map.jinja' import allowed_states %}
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{% if sls in allowed_states %}
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{% from 'vars/globals.map.jinja' import GLOBALS with context %}
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{% from "zeek/config.map.jinja" import ZEEKOPTIONS with context %}
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{% from "zeek/config.map.jinja" import ZEEKMERGED with context %}
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{% set VERSION = salt['pillar.get']('global:soversion') %}
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{% set IMAGEREPO = salt['pillar.get']('global:imagerepo') %}
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{% set MANAGER = salt['grains.get']('master') %}
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{% set BPF_ZEEK = salt['pillar.get']('bpf:zeek', {}) %}
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{% set BPF_STATUS = 0 %}
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{% set INTERFACE = salt['pillar.get']('sensor:interface') %}
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{% set ZEEK = salt['pillar.get']('zeek', {}) %}
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# Zeek Salt State
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@@ -77,6 +72,8 @@ zeekpolicysync:
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- user: 937
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- group: 939
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- template: jinja
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- defaults:
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FILE_EXTRACTION: {{ ZEEKMERGED.zeek.file_extraction }}
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# Ensure the zeek spool tree (and state.db) ownership is correct
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zeekspoolownership:
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@@ -107,16 +104,18 @@ zeekctlcfg:
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- group: 939
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- template: jinja
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- defaults:
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ZEEKCTL: {{ ZEEK.zeekctl | tojson }}
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ZEEKCTL: {{ ZEEKMERGED.zeek.config.zeekctl | tojson }}
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# Sync node.cfg
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nodecfg:
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file.managed:
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- name: /opt/so/conf/zeek/node.cfg
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- source: salt://zeek/files/node.cfg
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- source: salt://zeek/files/node.cfg.jinja
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- user: 937
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- group: 939
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- template: jinja
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- defaults:
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NODE: {{ ZEEKMERGED.zeek.config.node }}
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networkscfg:
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file.managed:
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@@ -125,6 +124,8 @@ networkscfg:
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- user: 937
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- group: 939
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- template: jinja
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- defaults:
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NETWORKS: {{ ZEEKMERGED.zeek.config.networks }}
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#zeekcleanscript:
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# file.managed:
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@@ -158,8 +159,8 @@ zeekpacketlosscron:
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- dayweek: '*'
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# BPF compilation and configuration
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{% if BPF_ZEEK %}
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{% set BPF_CALC = salt['cmd.script']('/usr/sbin/so-bpf-compile', INTERFACE + ' ' + BPF_ZEEK|join(" "),cwd='/root') %}
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{% if ZEEKMERGED.zeek.bpf %}
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{% set BPF_CALC = salt['cmd.script']('/usr/sbin/so-bpf-compile', GLOBALS.sensor.interface + ' ' + ZEEKMERGED.zeek.bpf|join(" "),cwd='/root') %}
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{% if BPF_CALC['stderr'] == "" %}
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{% set BPF_STATUS = 1 %}
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{% else %}
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@@ -177,7 +178,7 @@ zeekbpf:
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- user: 940
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- group: 940
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{% if BPF_STATUS %}
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- contents_pillar: zeek:bpf
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- contents: {{ ZEEKMERGED.bpf }}
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{% else %}
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- contents:
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- "ip or not ip"
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@@ -192,12 +193,12 @@ localzeek:
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- group: 939
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- template: jinja
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- defaults:
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LOCAL: {{ ZEEK.local | tojson }}
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LOCAL: {{ ZEEKMERGED.zeek.config.local | tojson }}
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so-zeek:
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docker_container.{{ ZEEKOPTIONS.status }}:
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{% if ZEEKOPTIONS.status == 'running' %}
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- image: {{ MANAGER }}:5000/{{ IMAGEREPO }}/so-zeek:{{ VERSION }}
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- image: {{ GLOBALS.manager }}:5000/{{ GLOBALS.image_repo }}/so-zeek:{{ GLOBALS.so_version }}
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- start: {{ ZEEKOPTIONS.start }}
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- privileged: True
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- ulimits:
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@@ -1,5 +1,3 @@
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{% import_yaml "zeek/fileextraction_defaults.yaml" as zeek_default -%}
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{% set zeek = salt['grains.filter_by'](zeek_default, default='zeek', merge=salt['pillar.get']('zeek', {})) -%}
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# Directory to stage Zeek extracted files before processing
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redef FileExtract::prefix = "/nsm/zeek/extracted/";
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# Set a limit to the file size
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@@ -7,7 +5,7 @@ redef FileExtract::default_limit = 9000000;
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# These are the mimetypes we want to rip off the networks
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export {
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global _mime_whitelist: table[string] of string = {
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{%- for li in zeek.policy.file_extraction %}
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{%- for li in FILE_EXTRACTION %}
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{%- if not loop.last %}
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{%- for k,v in li.items() %}
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["{{ k }}"] = "{{ v }}",
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@@ -3,16 +3,23 @@ zeek:
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enabled:
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description: This is a list of zeek logs that will be shipped through the pipeline. If you remove a log from this list it will still persist on the sensor.
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config:
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local:
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'@load':
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description: List of Zeek policies to load
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'@load-sigs':
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description: List of Zeek signatures to load
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node:
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lb_procs:
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description: This is the amount of CPUs to use for Zeek. This setting is ignored if you are using pins.
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node: True
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zeek_pins_enabled:
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description:
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pins_enabled:
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description: Enabled CPU pinning
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node: True
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zeek_pins:
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description: List of CPUs you want to
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advanced: True
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pins:
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description: List of CPUs you want to pin to
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node: True
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advanced: True
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zeekctl:
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CompressLogs:
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description: Enable compression of zeek logs. If you are seeing packet loss at the top of the hour in zeek or pcap you might need to set this to 0. This will use more disk space but save IO and CPU.
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@@ -26,8 +33,4 @@ zeek:
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advanced: True
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file_extraction:
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description: This is a list of mime types Zeek will extract from the network streams.
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load:
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description: List of Zeek policies to load
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load-sigs:
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description: List of Zeek signatures to load
|
||||
|
||||
Reference in New Issue
Block a user