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11 Commits

Author SHA1 Message Date
m0duspwnens
62c702e269 Merge remote-tracking branch 'remotes/origin/dev' into feature/users 2021-11-19 09:58:01 -05:00
m0duspwnens
f10290246f Merge remote-tracking branch 'remotes/origin/master' into feature/users 2021-07-02 08:13:56 -04:00
m0duspwnens
c919f6bca0 remove requirement on groups 2021-06-23 18:28:19 -04:00
m0duspwnens
51b421a165 add usergroup, dont create additional groupos 2021-06-23 18:17:18 -04:00
m0duspwnens
86ff54e844 update pillar examples 2021-06-23 17:49:06 -04:00
m0duspwnens
b8cb3f5815 update comment 2021-06-23 17:02:53 -04:00
m0duspwnens
381a51271f add users to pillar and salt top 2021-06-23 15:53:20 -04:00
m0duspwnens
10500178d5 remove users: from users pillar 2021-06-23 15:51:40 -04:00
m0duspwnens
e81e66f40d add additional reserved usernames 2021-06-23 15:33:49 -04:00
m0duspwnens
f6bd74aadf add a list of reserved usernames for centos 2021-06-23 15:21:19 -04:00
m0duspwnens
322c2804fc add support for managing users that can ssh to a node via key 2021-06-23 12:39:48 -04:00
18 changed files with 261 additions and 74 deletions

1
HOTFIX
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@@ -1 +0,0 @@
WAZUH AIRGAPFIX

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@@ -1,6 +1,6 @@
## Security Onion 2.3.90-WAZUH
## Security Onion 2.3.80
Security Onion 2.3.90-AIRGAPFIX is here!
Security Onion 2.3.80 is here!
## Screenshots

View File

@@ -1,18 +1,18 @@
### 2.3.90-AIRGAPFIX ISO image built on 2021/12/01
### 2.3.80 ISO image built on 2021/09/27
### Download and Verify
2.3.90-AIRGAPFIX ISO image:
https://download.securityonion.net/file/securityonion/securityonion-2.3.90-AIRGAPFIX.iso
2.3.80 ISO image:
https://download.securityonion.net/file/securityonion/securityonion-2.3.80.iso
MD5: A87EEF66FEB2ED6E20ABD4ADDA4899C6
SHA1: D1AD74D1481E9FF6F1A79D27DC569DA6749EC54B
SHA256: E4FC40340357B098E881F13BC4960AA8CB5F5AC73C05E077C993078ED7F46D59
MD5: 24F38563860416F4A8ABE18746913E14
SHA1: F923C005F54EA2A17AB225ADA0DA46042707AAD9
SHA256: 8E95D10AF664D9A406C168EC421D943CB23F0D0C1813C6C2DBA9B4E131984018
Signature for ISO image:
https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.90-AIRGAPFIX.iso.sig
https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.80.iso.sig
Signing key:
https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/master/KEYS
@@ -26,22 +26,22 @@ wget https://raw.githubusercontent.com/Security-Onion-Solutions/securityonion/ma
Download the signature file for the ISO:
```
wget https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.90-AIRGAPFIX.iso.sig
wget https://github.com/Security-Onion-Solutions/securityonion/raw/master/sigs/securityonion-2.3.80.iso.sig
```
Download the ISO image:
```
wget https://download.securityonion.net/file/securityonion/securityonion-2.3.90-AIRGAPFIX.iso
wget https://download.securityonion.net/file/securityonion/securityonion-2.3.80.iso
```
Verify the downloaded ISO image using the signature file:
```
gpg --verify securityonion-2.3.90-AIRGAPFIX.iso.sig securityonion-2.3.90-AIRGAPFIX.iso
gpg --verify securityonion-2.3.80.iso.sig securityonion-2.3.80.iso
```
The output should show "Good signature" and the Primary key fingerprint should match what's shown below:
```
gpg: Signature made Wed 01 Dec 2021 11:07:16 AM EST using RSA key ID FE507013
gpg: Signature made Mon 27 Sep 2021 08:55:01 AM EDT using RSA key ID FE507013
gpg: Good signature from "Security Onion Solutions, LLC <info@securityonionsolutions.com>"
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.

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@@ -2,6 +2,7 @@ base:
'*':
- patch.needs_restarting
- logrotate
- users
'*_eval or *_helixsensor or *_heavynode or *_sensor or *_standalone or *_import':
- match: compound

2
pillar/users/init.sls Normal file
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@@ -0,0 +1,2 @@
# users pillar goes in /opt/so/saltstack/local/pillar/users/init.sls
# the users directory may need to be created under /opt/so/saltstack/local/pillar

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@@ -0,0 +1,19 @@
users:
sclapton:
# required fields
status: present
# node_access determines which node types the user can access.
# this can either be by grains.role or by final part of the minion id after the _
node_access:
- standalone
- searchnode
# optional fields
fullname: Stevie Claptoon
uid: 1001
gid: 1001
homephone: does not have a phone
groups:
- mygroup1
- mygroup2
- wheel # give sudo access

20
pillar/users/pillar.usage Normal file
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@@ -0,0 +1,20 @@
users:
sclapton:
# required fields
status: <present | absent>
# node_access determines which node types the user can access.
# this can either be by grains.role or by final part of the minion id after the _
node_access:
- standalone
- searchnode
# optional fields
fullname: <string>
uid: <integer>
gid: <integer>
roomnumber: <string>
workphone: <string>
homephone: <string>
groups:
- <string>
- <string>
- wheel # give sudo access

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@@ -23,6 +23,7 @@ import sys
import argparse
import re
from lxml import etree as ET
from xml.dom import minidom
from datetime import datetime as dt
from datetime import timezone as tz
@@ -78,15 +79,20 @@ def ip_prompt() -> str:
def wazuh_enabled() -> bool:
file = f'{LOCAL_SALT_DIR}/pillar/global.sls'
with open(file, 'r') as pillar:
if 'wazuh: 1' in pillar.read():
return True
for file in os.listdir(f'{LOCAL_SALT_DIR}/pillar'):
with open(file, 'r') as pillar:
if 'wazuh: 1' in pillar.read():
return True
return False
def root_to_str(root: ET.ElementTree) -> str:
return ET.tostring(root, encoding='unicode', method='xml', xml_declaration=False, pretty_print=True)
xml_str = ET.tostring(root, encoding='unicode', method='xml').replace('\n', '')
xml_str = re.sub(r'(?:(?<=>) *)', '', xml_str)
xml_str = re.sub(r' -', '', xml_str)
xml_str = re.sub(r' -->', ' -->', xml_str)
dom = minidom.parseString(xml_str)
return dom.toprettyxml(indent=" ")
def add_wl(ip):
@@ -118,7 +124,7 @@ def apply(role: str, ip: str) -> int:
else:
return cmd.returncode
if cmd.returncode == 0:
if wazuh_enabled() and role=='analyst':
if wazuh_enabled and role=='analyst':
try:
add_wl(ip)
print(f'Added whitelist entry for {ip} from {WAZUH_CONF}', file=sys.stderr)

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@@ -599,7 +599,7 @@ up_to_2.3.80() {
up_to_2.3.90() {
for i in manager managersearch eval standalone; do
if compgen -G "/opt/so/saltstack/local/pillar/minions/*_$i.sls"; then
if compgen -G "/opt/so/saltstack/local/pillar/minions/*_$i.sls" > /dev/null; then
echo "soc:" >> /opt/so/saltstack/local/pillar/minions/*_$i.sls
sed -i "/^soc:/a \\ es_index_patterns: '*:so-*,*:endgame-*'" /opt/so/saltstack/local/pillar/minions/*_$i.sls
fi
@@ -635,8 +635,6 @@ up_to_2.3.90() {
>> /opt/so/saltstack/local/pillar/secrets.sls
fi
sed -i -re 's/^(playbook_admin.*|playbook_automation.*)/ \1/g' /opt/so/saltstack/local/pillar/secrets.sls
INSTALLEDVERSION=2.3.90
}
@@ -809,22 +807,16 @@ upgrade_to_2.3.50_repo() {
}
verify_latest_update_script() {
#we need to render soup and so-common first since they contain jinja
salt-call slsutil.renderer $UPDATE_DIR/salt/common/tools/sbin/soup default_renderer='jinja' --local --out=newline_values_only --out-indent=-4 --out-file=/tmp/soup
sed -i -e '$a\' /tmp/soup
salt-call slsutil.renderer $UPDATE_DIR/salt/common/tools/sbin/so-common default_renderer='jinja' --local --out=newline_values_only --out-indent=-4 --out-file=/tmp/so-common
sed -i -e '$a\' /tmp/so-common
# Check to see if the update scripts match. If not run the new one.
CURRENTSOUP=$(md5sum /usr/sbin/soup | awk '{print $1}')
GITSOUP=$(md5sum /tmp/soup | awk '{print $1}')
CURRENTCMN=$(md5sum /usr/sbin/so-common | awk '{print $1}')
GITCMN=$(md5sum /tmp/so-common | awk '{print $1}')
CURRENTIMGCMN=$(md5sum /usr/sbin/so-image-common | awk '{print $1}')
CURRENTSOUP=$(md5sum /opt/so/saltstack/default/salt/common/tools/sbin/soup | awk '{print $1}')
GITSOUP=$(md5sum $UPDATE_DIR/salt/common/tools/sbin/soup | awk '{print $1}')
CURRENTCMN=$(md5sum /opt/so/saltstack/default/salt/common/tools/sbin/so-common | awk '{print $1}')
GITCMN=$(md5sum $UPDATE_DIR/salt/common/tools/sbin/so-common | awk '{print $1}')
CURRENTIMGCMN=$(md5sum /opt/so/saltstack/default/salt/common/tools/sbin/so-image-common | awk '{print $1}')
GITIMGCMN=$(md5sum $UPDATE_DIR/salt/common/tools/sbin/so-image-common | awk '{print $1}')
if [[ "$CURRENTSOUP" == "$GITSOUP" && "$CURRENTCMN" == "$GITCMN" && "$CURRENTIMGCMN" == "$GITIMGCMN" ]]; then
echo "This version of the soup script is up to date. Proceeding."
rm -f /tmp/soup /tmp/so-common
else
echo "You are not running the latest soup version. Updating soup and its components. Might take multiple runs to complete"
cp $UPDATE_DIR/salt/common/tools/sbin/soup $DEFAULT_SALT_DIR/salt/common/tools/sbin/
@@ -837,23 +829,6 @@ verify_latest_update_script() {
fi
}
apply_hotfix() {
if [[ "$INSTALLEDVERSION" == "2.3.90" && "$HOTFIXVERSION" == "WAZUH" ]] ; then
FILE="/nsm/wazuh/etc/ossec.conf"
echo "Detecting if ossec.conf needs corrected..."
if head -1 $FILE | grep -q "xml version"; then
echo "$FILE has an XML header; removing"
sed -i 1d $FILE
so-wazuh-restart
else
echo "$FILE does not have an XML header, so no changes are necessary."
fi
else
echo "Skipping ossec.conf check ($INSTALLEDVERSION/$HOTFIXVERSION)"
fi
}
main() {
trap 'check_err $?' EXIT
@@ -908,10 +883,9 @@ main() {
set -e
if [ "$is_hotfix" == "true" ]; then
echo "Applying $HOTFIXVERSION hotfix"
echo "Applying $HOTFIXVERSION"
copy_new_files
apply_hotfix
echo "Hotfix applied"
echo ""
update_version
salt-call state.highstate -l info queue=True
else
@@ -951,21 +925,21 @@ main() {
echo "Upgrading Salt"
# Update the repo files so it can actually upgrade
upgrade_salt
echo "Checking if Salt was upgraded."
fi
echo "Checking if Salt was upgraded."
echo ""
# Check that Salt was upgraded
SALTVERSIONPOSTUPGRADE=$(salt --versions-report | grep Salt: | awk '{print $2}')
if [[ "$SALTVERSIONPOSTUPGRADE" != "$NEWSALTVERSION" ]]; then
echo "Salt upgrade failed. Check of indicators of failure in $SOUP_LOG."
echo "Once the issue is resolved, run soup again."
echo "Exiting."
echo ""
exit 0
else
echo "Salt upgrade success."
echo ""
# Check that Salt was upgraded
SALTVERSIONPOSTUPGRADE=$(salt --versions-report | grep Salt: | awk '{print $2}')
if [[ "$SALTVERSIONPOSTUPGRADE" != "$NEWSALTVERSION" ]]; then
echo "Salt upgrade failed. Check of indicators of failure in $SOUP_LOG."
echo "Once the issue is resolved, run soup again."
echo "Exiting."
echo ""
exit 0
else
echo "Salt upgrade success."
echo ""
fi
fi
preupgrade_changes
@@ -1170,3 +1144,4 @@ fi
echo "### Preparing soup at $(date) ###"
main "$@" | tee -a $SOUP_LOG

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@@ -65,10 +65,6 @@ yumconf:
- mode: 644
- template: jinja
- show_changes: False
cleanairgap:
file.absent:
- name: /etc/yum.repos.d/airgap_repo.repo
{% endif %}
cleanyum:

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@@ -34,6 +34,7 @@ base:
- match: compound
- salt.minion
- common
- users
- patch.os.schedule
- motd
- salt.minion-check

110
salt/users/init.sls Normal file
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@@ -0,0 +1,110 @@
# The creation of a user will require a pub key placed in /opt/so/saltstack/local/salt/users/authorized_keys/<username>
# If a user is changed from present to absent, their usergroup will be removed, but any additional usergroups that were created
# for that user will remain.
{% from 'users/map.jinja' import reserved_usernames with context %}
{% for username, userdeets in pillar.get('users', {}).items() if username not in reserved_usernames %}
{% if 'status' in userdeets %}
{% if userdeets.status == 'absent' %}
remove_user_{{username}}:
user.absent:
- name: {{ username }}
{% if 'purge' in userdeets %}
- purge: {{ userdeets.purge }}
{% endif %}
- force: True
{% elif userdeets.status == 'present' %}
{% if 'node_access' in userdeets %}
{% if grains.role in userdeets.node_access or grains.id.split('_')|last in userdeets.node_access %}
add_user_group_{{username}}:
group.present:
- name: {{ username }}
{% if 'uid' in userdeets %}
- gid: {{ userdeets.uid }}
{% endif %}
add_user_{{username}}:
user.present:
- name: {{ username }}
- home: {{ userdeets.get('home', "/home/%s" % username) }}
- shell: {{ userdeets.get('shell', '/bin/bash') }}
- usergroup: True
{% if 'fullname' in userdeets %}
- fullname: {{ userdeets.fullname }}
{% endif %}
{% if 'uid' in userdeets %}
- uid: {{ userdeets.uid }}
{% endif %}
{% if 'gid' in userdeets %}
- gid: {{ userdeets.gid }}
{% endif %}
{% if 'roomnumber' in userdeets %}
- roomnumber: {{ userdeets.roomnumber }}
{% endif %}
{% if 'workphone' in userdeets %}
- workphone: {{ userdeets.workphone }}
{% endif %}
{% if 'homephone' in userdeets %}
- homephone: {{ userdeets.homephone }}
{% endif %}
{% if 'groups' in userdeets %}
- groups:
{% for group in userdeets.groups %}
- {{ group }}
{% endfor %}
{% endif %}
{{username}}_authorized_keys:
file.managed:
- name: /home/{{username}}/.ssh/authorized_keys
- source: salt://users/authorized_keys/{{username}}
- user: {{username}}
- group: {{username}}
- mode: 644
- show_diff: False
- makedirs: True
- require:
- user: add_user_{{username}}
{% endif %}
{% endif %}
{% else %}
unknown_status_or_password_not_provided_for_user_{{username}}:
test.fail_without_changes:
- comment: "Verify status is 'present' or 'absent' and a password is provided for {{username}} in the users pillar."
{% endif %}
{% else %}
status_not_provided_for_user_{{username}}:
test.fail_without_changes:
- comment: "Status should be 'present' or 'absent'."
{% endif %}
{% endfor %}
disable_wheel_pwd_required:
file.comment:
- name: /etc/sudoers
- regex: "%wheel\\s+ALL=\\(ALL\\)\\s+ALL"
allow_wheel_no_pwd:
file.uncomment:
- name: /etc/sudoers
- regex: "%wheel\\s+ALL=\\(ALL\\)\\s+NOPASSWD: ALL"

58
salt/users/map.jinja Normal file
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@@ -0,0 +1,58 @@
{% set reserved_usernames = [
'root',
'bin',
'daemon',
'adm',
'lp',
'sync',
'shutdown',
'halt',
'mail',
'operator',
'games',
'ftp',
'nobody',
'systemd-network',
'dbus',
'polkitd',
'tss',
'sshd',
'ossec',
'postfix',
'chrony',
'ntp',
'tcpdump',
'socore',
'soremote',
'elasticsearch',
'stenographer',
'suricata',
'zeek',
'curator',
'kratos',
'kibana',
'elastalert',
'ossecm',
'ossecr',
'logstash',
'sys',
'man',
'news',
'uucp',
'proxy',
'www-data',
'backup',
'list',
'irc',
'gnats',
'systemd-resolve',
'syslog',
'messagebus',
'_apt',
'lxd',
'uuidd',
'dnsmasq',
'landscape',
'pollinate',
'ossec'
] %}

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@@ -318,7 +318,7 @@ if ! [[ -f $install_opt_file ]]; then
elif [[ $is_minion && $is_iso ]]; then
$sshcmd -i /root/.ssh/so.key soremote@"$MSRV" [[ -f /etc/yum.repos.d/airgap_repo.repo ]] >> $setup_log 2>&1
airgap_check=$?
[[ $airgap_check == 0 ]] && is_airgap=true >> $setup_log 2>&1
[[ $airgap_check ]] && is_airgap=true >> $setup_log 2>&1
fi
reset_proxy

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@@ -753,7 +753,7 @@ whiptail_install_type_dist() {
dist_option=$(whiptail --title "$whiptail_title" --menu "Do you want to start a new deployment or join this box to \nan existing deployment?" 11 75 2 \
"New Deployment " "Create a new Security Onion deployment" \
"Existing Deployment " "Join to an existing Security Onion deployment " \
"Existing Deployment " "Join to an exisiting Security Onion deployment " \
3>&1 1>&2 2>&3
)
local exitstatus=$?

Binary file not shown.