Merge branch 'dev' into feature/script-fixes

# Conflicts:
#	salt/auth/init.sls
#	salt/common/tools/sbin/so-bro-restart
#	salt/common/tools/sbin/so-bro-start
#	salt/common/tools/sbin/so-bro-stop
#	salt/wazuh/files/wazuh-manager-whitelist
This commit is contained in:
William Wernert
2020-02-05 10:58:51 -05:00
117 changed files with 3671 additions and 175 deletions
+2
View File
@@ -0,0 +1,2 @@
#!/bin/bash
/usr/bin/docker exec so-bro /opt/bro/bin/broctl netstats | awk '{print $(NF-2),$(NF-1),$NF}' | awk -F '[ =]' '{RCVD += $2;DRP += $4;TTL += $6} END { print "rcvd: " RCVD, "dropped: " DRP, "total: " TTL}' >> /nsm/bro/logs/packetloss.log
+64
View File
@@ -0,0 +1,64 @@
#!/bin/bash
# Delete Zeek Logs based on defined CRIT_DISK_USAGE value
# Copyright 2014,2015,2016,2017,2018, 2019 Security Onion Solutions, LLC
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
clean () {
SENSOR_DIR='/nsm'
CRIT_DISK_USAGE=90
CUR_USAGE=$(df -P $SENSOR_DIR | tail -1 | awk '{print $5}' | tr -d %)
LOG="/nsm/bro/logs/zeek_clean.log"
if [ "$CUR_USAGE" -gt "$CRIT_DISK_USAGE" ]; then
while [ "$CUR_USAGE" -gt "$CRIT_DISK_USAGE" ];
do
TODAY=$(date -u "+%Y-%m-%d")
# find the oldest Zeek logs directory and exclude today
OLDEST_DIR=$(ls /nsm/bro/logs/ | grep -v "current" | grep -v "stats" | grep -v "packetloss" | grep -v "zeek_clean" | sort | grep -v $TODAY | head -n 1)
if [ -z "$OLDEST_DIR" -o "$OLDEST_DIR" == ".." -o "$OLDEST_DIR" == "." ]
then
echo "$(date) - No old Zeek logs available to clean up in /nsm/bro/logs/" >> $LOG
exit 0
else
echo "$(date) - Removing directory: /nsm/bro/logs/$OLDEST_DIR" >> $LOG
rm -rf /nsm/bro/logs/"$OLDEST_DIR"
fi
# find oldest files in extracted directory and exclude today
OLDEST_EXTRACT=$(find /nsm/bro/extracted -type f -printf '%T+ %p\n' 2>/dev/null | sort | grep -v $TODAY | head -n 1)
if [ -z "$OLDEST_EXTRACT" -o "$OLDEST_EXTRACT" == ".." -o "$OLDEST_EXTRACT" == "." ]
then
echo "$(date) - No old extracted files available to clean up in /nsm/bro/extracted/" >> $LOG
else
OLDEST_EXTRACT_DATE=`echo $OLDEST_EXTRACT | awk '{print $1}' | cut -d+ -f1`
OLDEST_EXTRACT_FILE=`echo $OLDEST_EXTRACT | awk '{print $2}'`
echo "$(date) - Removing extracted files for $OLDEST_EXTRACT_DATE" >> $LOG
find /nsm/bro/extracted -type f -printf '%T+ %p\n' | grep $OLDEST_EXTRACT_DATE | awk '{print $2}' |while read FILE
do
echo "$(date) - Removing extracted file: $FILE" >> $LOG
rm -f "$FILE"
done
fi
done
else
echo "$(date) - CRIT_DISK_USAGE value of $CRIT_DISK_USAGE not greater than current usage of $CUR_USAGE..." >> $LOG
fi
}
clean
+139
View File
@@ -0,0 +1,139 @@
##! Local site policy. Customize as appropriate.
##!
##! This file will not be overwritten when upgrading or reinstalling!
# This script logs which scripts were loaded during each run.
@load misc/loaded-scripts
# Apply the default tuning scripts for common tuning settings.
@load tuning/defaults
# Estimate and log capture loss.
@load misc/capture-loss
# Enable logging of memory, packet and lag statistics.
@load misc/stats
# Load the scan detection script.
@load misc/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
# Uncomment the following line to check each SSL certificate hash against the ICSI
# certificate notary service; see http://notary.icsi.berkeley.edu .
# @load protocols/ssl/notary
# If you have libGeoIP 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
# 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 connection VLANs. Enabling
# this adds two VLAN fields to the conn.log file. This may not work properly
# since we use AF_PACKET and it strips VLAN tags.
# @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 the following line to enable the SMB analyzer. The analyzer
# is currently considered a preview and therefore not loaded by default.
@load base/protocols/smb
# BPF Configuration
@load securityonion/bpfconf
# Add the interface to the log event
#@load securityonion/add-interface-to-logs.bro
# Add Sensor Name to the conn.log
#@load securityonion/conn-add-sensorname.bro
# File Extraction
#@load securityonion/file-extraction
# Intel from Mandiant APT1 Report
#@load securityonion/apt1
# ShellShock - detects successful exploitation of Bash vulnerability CVE-2014-6271
#@load securityonion/shellshock
# JA3 - SSL Detection Goodness
@load policy/ja3
# HASSH
@load policy/hassh
# You can load your own intel into:
# /opt/so/saltstack/bro/policy/intel/ on the master
@load intel
# Load a custom Bro policy
# /opt/so/saltstack/bro/policy/custom/ on the master
#@load custom/somebropolicy.bro
# Write logs in JSON
redef LogAscii::use_json = T;
redef LogAscii::json_timestamps = JSON::TS_ISO8601;
@@ -0,0 +1,133 @@
##! Local site policy. Customize as appropriate.
##!
##! This file will not be overwritten when upgrading or reinstalling!
# This script logs which scripts were loaded during each run.
@load misc/loaded-scripts
# Apply the default tuning scripts for common tuning settings.
@load tuning/defaults
# Estimate and log capture loss.
@load misc/capture-loss
# Enable logging of memory, packet and lag statistics.
@load misc/stats
# Load the scan detection script.
@load misc/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
# Uncomment the following line to check each SSL certificate hash against the ICSI
# certificate notary service; see http://notary.icsi.berkeley.edu .
# @load protocols/ssl/notary
# If you have libGeoIP 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
# 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 connection VLANs. Enabling
# this adds two VLAN fields to the conn.log file. This may not work properly
# since we use AF_PACKET and it strips VLAN tags.
# @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 the following line to enable the SMB analyzer. The analyzer
# is currently considered a preview and therefore not loaded by default.
# @load policy/protocols/smb
# Add the interface to the log event
#@load securityonion/add-interface-to-logs.bro
# Add Sensor Name to the conn.log
#@load securityonion/conn-add-sensorname.bro
# File Extraction
#@load securityonion/file-extraction
# Intel from Mandiant APT1 Report
#@load securityonion/apt1
# ShellShock - detects successful exploitation of Bash vulnerability CVE-2014-6271
#@load securityonion/shellshock
# JA3 - SSL Detection Goodness
@load policy/ja3
# You can load your own intel into:
# /opt/so/saltstack/bro/policy/intel/ on the master
@load intel
# Load a custom Bro policy
# /opt/so/saltstack/bro/policy/custom/ on the master
#@load custom/somebropolicy.bro
# Use JSON
redef LogAscii::use_json = T;
redef LogAscii::json_timestamps = JSON::TS_ISO8601;
+47
View File
@@ -0,0 +1,47 @@
{%- set interface = salt['pillar.get']('sensor:interface', 'bond0') %}
{%- if salt['pillar.get']('sensor:bro_pins') or salt['pillar.get']('sensor:bro_lbprocs') %}
{%- if salt['pillar.get']('sensor:bro_proxies') %}
{%- set proxies = salt['pillar.get']('sensor:bro_proxies', '1') %}
{%- else %}
{%- if salt['pillar.get']('sensor:bro_pins') %}
{%- set proxies = (salt['pillar.get']('sensor:bro_pins')|length/10)|round(0, 'ceil')|int %}
{%- else %}
{%- set proxies = (salt['pillar.get']('sensor:bro_lbprocs')/10)|round(0, 'ceil')|int %}
{%- endif %}
{%- endif %}
[manager]
type=manager
host=localhost
[logger]
type=logger
host=localhost
[proxy]
type=proxy
host=localhost
[worker-1]
type=worker
host=localhost
interface=af_packet::{{ interface }}
lb_method=custom
{%- if salt['pillar.get']('sensor:bro_lbprocs') %}
lb_procs={{ salt['pillar.get']('sensor:bro_lbprocs', '1') }}
{%- else %}
lb_procs={{ salt['pillar.get']('sensor:bro_pins')|length }}
{%- endif %}
{%- if salt['pillar.get']('sensor:bro_pins') %}
pin_cpus={{ salt['pillar.get']('sensor:bro_pins')|join(", ") }}
{%- endif %}
af_packet_fanout_id=23
af_packet_fanout_mode=AF_Packet::FANOUT_HASH
af_packet_buffer_size=128*1024*1024
{%- else %}
[brosa]
type=standalone
host=localhost
interface={{ interface }}
{%- endif %}
+206
View File
@@ -0,0 +1,206 @@
{% set interface = salt['pillar.get']('sensor:interface', 'bond0') %}
{% set BPF_ZEEK = salt['pillar.get']('zeek:bpf') %}
{% set BPF_STATUS = 0 %}
# Bro Salt State
# Add Bro group
brogroup:
group.present:
- name: bro
- gid: 937
# Add Bro User
bro:
user.present:
- uid: 937
- gid: 937
- home: /home/bro
# Create some directories
bropolicydir:
file.directory:
- name: /opt/so/conf/bro/policy
- user: 937
- group: 939
- makedirs: True
# Bro Log Directory
brologdir:
file.directory:
- name: /nsm/bro/logs
- user: 937
- group: 939
- makedirs: True
# Bro Spool Directory
brospooldir:
file.directory:
- name: /nsm/bro/spool/manager
- user: 937
- makedirs: true
# Bro extracted directory
broextractdir:
file.directory:
- name: /nsm/bro/extracted
- user: 937
- group: 939
- makedirs: True
brosfafincompletedir:
file.directory:
- name: /nsm/faf/files/incomplete
- user: 937
- makedirs: true
brosfafcompletedir:
file.directory:
- name: /nsm/faf/files/complete
- user: 937
- makedirs: true
# Sync the policies
bropolicysync:
file.recurse:
- name: /opt/so/conf/bro/policy
- source: salt://bro/policy
- user: 937
- group: 939
- template: jinja
# Sync node.cfg
nodecfgsync:
file.managed:
- name: /opt/so/conf/bro/node.cfg
- source: salt://bro/files/node.cfg
- user: 937
- group: 939
- template: jinja
plcronscript:
file.managed:
- name: /usr/local/bin/packetloss.sh
- source: salt://bro/cron/packetloss.sh
- mode: 755
zeekcleanscript:
file.managed:
- name: /usr/local/bin/zeek_clean
- source: salt://bro/cron/zeek_clean
- mode: 755
/usr/local/bin/zeek_clean:
cron.present:
- user: root
- minute: '*'
- hour: '*'
- daymonth: '*'
- month: '*'
- dayweek: '*'
/usr/local/bin/packetloss.sh:
cron.present:
- user: root
- minute: '*/10'
- hour: '*'
- daymonth: '*'
- month: '*'
- dayweek: '*'
# BPF compilation and configuration
{% if BPF_ZEEK %}
{% set BPF_CALC = salt['cmd.script']('/usr/sbin/so-bpf-compile', interface + ' ' + BPF_ZEEK|join(" ") ) %}
{% if BPF_CALC['stderr'] == "" %}
{% set BPF_STATUS = 1 %}
{% else %}
zeekbpfcompilationfailure:
test.configurable_test_state:
- changes: False
- result: False
- comment: "BPF Syntax Error - Discarding Specified BPF"
{% endif %}
{% endif %}
zeekbpf:
file.managed:
- name: /opt/so/conf/bro/bpf
- user: 940
- group: 940
{% if BPF_STATUS %}
- contents_pillar: zeek:bpf
{% else %}
- contents:
- "ip or not ip"
{% endif %}
# Sync local.bro
{% if salt['pillar.get']('static:broversion', '') == 'COMMUNITY' %}
localbrosync:
file.managed:
- name: /opt/so/conf/bro/local.bro
- source: salt://bro/files/local.bro.community
- user: 937
- group: 939
- template: jinja
so-communitybroimage:
cmd.run:
- name: docker pull --disable-content-trust=false docker.io/soshybridhunter/so-communitybro:HH1.0.3
so-bro:
docker_container.running:
- require:
- so-communitybroimage
- image: docker.io/soshybridhunter/so-communitybro:HH1.0.3
- privileged: True
- binds:
- /nsm/bro/logs:/nsm/bro/logs:rw
- /nsm/bro/spool:/nsm/bro/spool:rw
- /nsm/bro/extracted:/nsm/bro/extracted:rw
- /opt/so/conf/bro/local.bro:/opt/bro/share/bro/site/local.bro:ro
- /opt/so/conf/bro/node.cfg:/opt/bro/etc/node.cfg:ro
- /opt/so/conf/bro/policy/securityonion:/opt/bro/share/bro/policy/securityonion:ro
- /opt/so/conf/bro/policy/custom:/opt/bro/share/bro/policy/custom:ro
- /opt/so/conf/bro/policy/intel:/opt/bro/share/bro/policy/intel:rw
- network_mode: host
- watch:
- file: /opt/so/conf/bro/local.bro
- file: /opt/so/conf/bro/node.cfg
- file: /opt/so/conf/bro/policy
{% else %}
localbrosync:
file.managed:
- name: /opt/so/conf/bro/local.bro
- source: salt://bro/files/local.bro
- user: 937
- group: 939
- template: jinja
so-broimage:
cmd.run:
- name: docker pull --disable-content-trust=false docker.io/soshybridhunter/so-bro:HH1.1.1
so-bro:
docker_container.running:
- require:
- so-broimage
- image: docker.io/soshybridhunter/so-bro:HH1.1.1
- privileged: True
- binds:
- /nsm/bro/logs:/nsm/bro/logs:rw
- /nsm/bro/spool:/nsm/bro/spool:rw
- /nsm/bro/extracted:/nsm/bro/extracted:rw
- /opt/so/conf/bro/local.bro:/opt/bro/share/bro/site/local.bro:ro
- /opt/so/conf/bro/node.cfg:/opt/bro/etc/node.cfg:ro
- /opt/so/conf/bro/bpf:/opt/bro/share/bro/site/bpf:ro
- /opt/so/conf/bro/policy/securityonion:/opt/bro/share/bro/policy/securityonion:ro
- /opt/so/conf/bro/policy/custom:/opt/bro/share/bro/policy/custom:ro
- /opt/so/conf/bro/policy/intel:/opt/bro/share/bro/policy/intel:rw
- network_mode: host
- watch:
- file: /opt/so/conf/bro/local.bro
- file: /opt/so/conf/bro/node.cfg
- file: /opt/so/conf/bro/policy
- file: /opt/so/conf/bro/bpf
{% endif %}
@@ -0,0 +1 @@
#Intel
@@ -0,0 +1,20 @@
{%- set interface = salt['pillar.get']('sensor:interface', '0') %}
global interface = "{{ interface }}";
event bro_init()
{
if ( ! reading_live_traffic() )
return;
Log::remove_default_filter(HTTP::LOG);
Log::add_filter(HTTP::LOG, [$name = "http-interfaces",
$path_func(id: Log::ID, path: string, rec: HTTP::Info) =
{
local peer = get_event_peer()$descr;
if ( peer in Cluster::nodes && Cluster::nodes[peer]?$interface )
return cat("http_", Cluster::nodes[peer]$interface);
else
return "http";
}
]);
}
@@ -0,0 +1,9 @@
@load frameworks/intel/seen
@load frameworks/intel/do_notice
@load frameworks/files/hash-all-files
redef Intel::read_files += {
fmt("%s/apt1-fqdn.dat", @DIR),
fmt("%s/apt1-md5.dat", @DIR),
fmt("%s/apt1-certs.dat", @DIR)
};
@@ -0,0 +1,26 @@
#fields indicator indicator_type meta.source meta.desc meta.do_notice
b054e26ef827fbbf5829f84a9bdbb697a5b042fc Intel::CERT_HASH Mandiant APT1 Report ALPHA T
7bc0cc2cf7c3a996c32dbe7e938993f7087105b4 Intel::CERT_HASH Mandiant APT1 Report AOL T
7855c132af1390413d4e4ff4ead321f8802d8243 Intel::CERT_HASH Mandiant APT1 Report AOL T
f3e3c590d7126bd227733e9d8313d2575c421243 Intel::CERT_HASH Mandiant APT1 Report AOL T
d4d4e896ce7d73b573f0a0006080a246aec61fe7 Intel::CERT_HASH Mandiant APT1 Report AOL T
bcdf4809c1886ac95478bbafde246d0603934298 Intel::CERT_HASH Mandiant APT1 Report AOL T
6b4855df8afc8d57a671fe5ed628f6d88852a922 Intel::CERT_HASH Mandiant APT1 Report AOL T
d50fdc82c328319ac60f256d3119b8708cd5717b Intel::CERT_HASH Mandiant APT1 Report AOL T
70b48d5177eebe9c762e9a37ecabebfd10e1b7e9 Intel::CERT_HASH Mandiant APT1 Report AOL T
3a6a299b764500ce1b6e58a32a257139d61a3543 Intel::CERT_HASH Mandiant APT1 Report AOL T
bf4f90e0029b2263af1141963ddf2a0c71a6b5fb Intel::CERT_HASH Mandiant APT1 Report AOL T
b21139583dec0dae344cca530690ec1f344acc79 Intel::CERT_HASH Mandiant APT1 Report AOL T
21971ffef58baf6f638df2f7e2cceb4c58b173c8 Intel::CERT_HASH Mandiant APT1 Report EMAIL T
04ecff66973c92a1c348666d5a4738557cce0cfc Intel::CERT_HASH Mandiant APT1 Report IBM T
f97d1a703aec44d0f53a3a294e33acda43a49de1 Intel::CERT_HASH Mandiant APT1 Report IBM T
c0d32301a7c96ecb0bc8e381ec19e6b4eaf5d2fe Intel::CERT_HASH Mandiant APT1 Report IBM T
1b27a897cda019da2c3a6dc838761871e8bf5b5d Intel::CERT_HASH Mandiant APT1 Report LAME T
d515996e8696612dc78fc6db39006466fc6550df Intel::CERT_HASH Mandiant APT1 Report MOON-NIGHT T
8f79315659e59c79f1301ef4aee67b18ae2d9f1c Intel::CERT_HASH Mandiant APT1 Report NONAME T
a57a84975e31e376e3512da7b05ad06ef6441f53 Intel::CERT_HASH Mandiant APT1 Report NS T
b3db37a0edde97b3c3c15da5f2d81d27af82f583 Intel::CERT_HASH Mandiant APT1 Report SERVER (PEM) T
6d8f1454f6392361fb2464b744d4fc09eee5fcfd Intel::CERT_HASH Mandiant APT1 Report SUR T
b66e230f404b2cc1c033ccacda5d0a14b74a2752 Intel::CERT_HASH Mandiant APT1 Report VIRTUALLYTHERE T
4acbadb86a91834493dde276736cdf8f7ef5d497 Intel::CERT_HASH Mandiant APT1 Report WEBMAIL T
86a48093d9b577955c4c9bd19e30536aae5543d4 Intel::CERT_HASH Mandiant APT1 Report YAHOO T
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,106 @@
##! This script is to support the bpf.conf file like other network monitoring tools use.
##! Please don't try to learn from this script right now, there are a large number of
##! hacks in it to work around bugs discovered in Bro.
@load base/frameworks/notice
module BPFConf;
export {
## The file that is watched on disk for BPF filter changes.
## Two templated variables are available; "sensorname" and "interface".
## They can be used by surrounding the term by doubled curly braces.
const filename = "/opt/bro/share/bro/site/bpf" &redef;
redef enum Notice::Type += {
## Invalid filter notice.
InvalidFilter
};
}
global filter_parts: vector of string = vector();
global current_filter_filename = "";
type FilterLine: record {
s: string;
};
redef enum PcapFilterID += {
BPFConfPcapFilter,
};
event BPFConf::line(description: Input::EventDescription, tpe: Input::Event, s: string)
{
local part = sub(s, /[[:blank:]]*#.*$/, "");
# We don't want any blank parts.
if ( part != "" )
filter_parts[|filter_parts|] = part;
}
event Input::end_of_data(name: string, source:string)
{
if ( name == "bpfconf" )
{
local filter = join_string_vec(filter_parts, " ");
capture_filters["bpf.conf"] = filter;
if ( Pcap::precompile_pcap_filter(BPFConfPcapFilter, filter) )
{
PacketFilter::install();
}
else
{
NOTICE([$note=InvalidFilter,
$msg=fmt("Compiling packet filter from %s failed", filename),
$sub=filter]);
}
filter_parts=vector();
}
}
function add_filter_file()
{
local real_filter_filename = BPFConf::filename;
# Support the interface template value.
#if ( SecurityOnion::sensorname != "" )
# real_filter_filename = gsub(real_filter_filename, /\{\{sensorname\}\}/, SecurityOnion::sensorname);
# Support the interface template value.
#if ( SecurityOnion::interface != "" )
# real_filter_filename = gsub(real_filter_filename, /\{\{interface\}\}/, SecurityOnion::interface);
#if ( /\{\{/ in real_filter_filename )
# {
# return;
# }
#else
# Reporter::info(fmt("BPFConf filename set: %s (%s)", real_filter_filename, Cluster::node));
if ( real_filter_filename != current_filter_filename )
{
current_filter_filename = real_filter_filename;
Input::add_event([$source=real_filter_filename,
$name="bpfconf",
$reader=Input::READER_RAW,
$mode=Input::REREAD,
$want_record=F,
$fields=FilterLine,
$ev=BPFConf::line]);
}
}
#event SecurityOnion::found_sensorname(name: string)
# {
# add_filter_file();
# }
event bro_init() &priority=5
{
if ( BPFConf::filename != "" )
add_filter_file();
}
@@ -0,0 +1,10 @@
global sensorname = "{{ grains.host }}";
redef record Conn::Info += {
sensorname: string &log &optional;
};
event connection_state_remove(c: connection)
{
c$conn$sensorname = sensorname;
}
@@ -0,0 +1 @@
@load ./extract
@@ -0,0 +1,21 @@
global ext_map: table[string] of string = {
["application/x-dosexec"] = "exe",
["text/plain"] = "txt",
["image/jpeg"] = "jpg",
["image/png"] = "png",
["text/html"] = "html",
} &default ="";
event file_sniff(f: fa_file, meta: fa_metadata)
{
if ( ! meta?$mime_type || meta$mime_type != "application/x-dosexec" )
return;
local ext = "";
if ( meta?$mime_type )
ext = ext_map[meta$mime_type];
local fname = fmt("/nsm/bro/extracted/%s-%s.%s", f$source, f$id, ext);
Files::add_analyzer(f, Files::ANALYZER_EXTRACT, [$extract_filename=fname]);
}
@@ -0,0 +1,3 @@
@load tuning/json-logs
redef LogAscii::json_timestamps = JSON::TS_ISO8601;
redef LogAscii::use_json = T;