/
local.zeek
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/
local.zeek
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##! Local site policy. Customize as appropriate.
##!
##! This file will not be overwritten when upgrading or reinstalling!
# Installation-wide salt value that is used in some digest hashes, e.g., for
# the creation of file IDs. Please change this to a hard to guess value.
redef digest_salt = "Please change this value.";
# This script logs which scripts were loaded during each run.
@load misc/loaded-scripts
# Estimate and log capture loss.
@load misc/capture-loss
# Enable logging of memory, packet and lag statistics.
@load misc/stats
# For TCP scan detection, we recommend installing the package from
# 'https://github.com/ncsa/bro-simple-scan'. E.g., by installing it via
#
# zkg install ncsa/bro-simple-scan
# Detect traceroute being run on the network. This could possibly cause
# performance trouble when there are a lot of traceroutes on your network.
# Enable cautiously.
#@load misc/detect-traceroute
# Generate notices when vulnerable versions of software are discovered.
# The default is to only monitor software found in the address space defined
# as "local". Refer to the software framework's documentation for more
# information.
@load frameworks/software/vulnerable
# Detect software changing (e.g. attacker installing hacked SSHD).
@load frameworks/software/version-changes
# This adds signatures to detect cleartext forward and reverse windows shells.
@load-sigs frameworks/signatures/detect-windows-shells
# Load all of the scripts that detect software in various protocols.
@load protocols/ftp/software
@load protocols/smtp/software
@load protocols/ssh/software
@load protocols/http/software
# The detect-webapps script could possibly cause performance trouble when
# running on live traffic. Enable it cautiously.
#@load protocols/http/detect-webapps
# This script detects DNS results pointing toward your Site::local_nets
# where the name is not part of your local DNS zone and is being hosted
# externally. Requires that the Site::local_zones variable is defined.
@load protocols/dns/detect-external-names
# Script to detect various activity in FTP sessions.
@load protocols/ftp/detect
# Scripts that do asset tracking.
@load protocols/conn/known-hosts
@load protocols/conn/known-services
@load protocols/ssl/known-certs
# This script enables SSL/TLS certificate validation.
@load protocols/ssl/validate-certs
# This script prevents the logging of SSL CA certificates in x509.log
@load protocols/ssl/log-hostcerts-only
# If you have GeoIP support built in, do some geographic detections and
# logging for SSH traffic.
@load protocols/ssh/geo-data
# Detect hosts doing SSH bruteforce attacks.
@load protocols/ssh/detect-bruteforcing
# Detect logins using "interesting" hostnames.
@load protocols/ssh/interesting-hostnames
# Detect SQL injection attacks.
@load protocols/http/detect-sqli
#### Network File Handling ####
# Enable MD5 and SHA1 hashing for all files.
@load frameworks/files/hash-all-files
# Detect SHA1 sums in Team Cymru's Malware Hash Registry.
@load frameworks/files/detect-MHR
# Extend email alerting to include hostnames
@load policy/frameworks/notice/extend-email/hostnames
# Extend the notice.log with Community ID hashes
# @load policy/frameworks/notice/community-id
# Enable logging of telemetry data into telemetry.log and
# telemetry_histogram.log.
@load frameworks/telemetry/log
# Enable metrics centralization on the manager. This opens port 9911/tcp
# on the manager node that can be readily scraped by Prometheus.
# @load frameworks/telemetry/prometheus
# Uncomment the following line to enable detection of the heartbleed attack. Enabling
# this might impact performance a bit.
# @load policy/protocols/ssl/heartbleed
# Uncomment the following line to enable logging of Community ID hashes in
# the conn.log file.
# @load policy/protocols/conn/community-id-logging
# Uncomment the following line to enable logging of connection VLANs. Enabling
# this adds two VLAN fields to the conn.log file.
# @load policy/protocols/conn/vlan-logging
# Uncomment the following line to enable logging of link-layer addresses. Enabling
# this adds the link-layer address for each connection endpoint to the conn.log file.
# @load policy/protocols/conn/mac-logging
# Uncomment this to source zkg's package state
# @load packages