forked from DEROO/DebianTweaks
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ben-patch-1
| Author | SHA1 | Date | |
|---|---|---|---|
 ben
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38c6405f60 | ||
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ben
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60448ac377 |
+177
-97
@@ -1,110 +1,185 @@
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#!/bin/bash
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#!/usr/bin/env bash
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#deze packages zijn nodig
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apt install snmpd postfix curl figlet wget gnupg2 -y
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set -euo pipefail
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if [[ $EUID -ne 0 ]]; then
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echo "Dit script moet als root worden uitgevoerd."
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exit 1
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fi
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export DEBIAN_FRONTEND=noninteractive
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echo "===================="
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echo "Installing packages"
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apt update
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apt install fortune cowsay snmpd postfix curl figlet wget gnupg2 -y
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echo "===================="
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echo "Configuring mail"
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echo "--------------------"
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echo Set the correct mailer fqdn
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hostname -f > /etc/mailname
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echo "--------------------"
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echo Forward mail to root
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echo root: thomas@de-roo.org >> /etc/aliases
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/usr/bin/newaliases
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if ! grep -q "root: thomas@de-roo.org" /etc/aliases; then
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echo "root: thomas@de-roo.org" >> /etc/aliases
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fi
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echo "--------------------"
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echo Add mailto address in crontab
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awk '/PATH=\/usr\/local\/sbin:\/usr\/local\/bin:\/sbin:\/bin:\/usr\/sbin:\/usr\/bin/ { print; print "MAILTO=thomas@de-roo.org"; next }1' /etc/crontab > /tmp/crontab.temp
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cat /tmp/crontab.temp > /etc/crontab
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rm /tmp/crontab.temp
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newaliases
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echo "--------------------"
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echo Better logon-message
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figlet "$(hostname)">/etc/motd
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echo "--------------------"
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echo Apt Updates
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curl -s https://git.de-roo.org/DEROO/apt-update/raw/branch/main/apt-update.sh -o /usr/local/bin/apt-update.sh
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chmod a+x /usr/local/bin/apt-update.sh
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echo 0 0 * * * root /usr/local/bin/apt-update.sh >> /etc/crontab
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echo "===================="
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echo "Configuring cron mail"
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if ! grep -q "MAILTO=thomas@de-roo.org" /etc/crontab; then
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sed -i '/^PATH=.*\/usr\/bin/a MAILTO=thomas@de-roo.org' /etc/crontab
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fi
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echo "===================="
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echo "Installing MOTD"
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cat > /usr/local/bin/update-motd.sh << 'EOF'
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#!/usr/bin/env bash
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{
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figlet "$(hostname)"
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fortune | cowsay -k tux
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} > /etc/motd
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EOF
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chmod +x /usr/local/bin/update-motd.sh
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if ! grep -q "update-motd.sh" /etc/crontab; then
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echo "0 0 * * * root /usr/local/bin/update-motd.sh" >> /etc/crontab
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fi
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/usr/local/bin/update-motd.sh
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echo "===================="
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echo "Installing apt updater"
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curl -fsSL \
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https://git.de-roo.org/DEROO/apt-update/raw/branch/main/apt-update.sh \
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-o /usr/local/bin/apt-update.sh
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chmod +x /usr/local/bin/apt-update.sh
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if ! grep -q "apt-update.sh" /etc/crontab; then
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echo "5 0 * * * root /usr/local/bin/apt-update.sh" >> /etc/crontab
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fi
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echo "===================="
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echo "Configuring SNMP"
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echo "--------------------"
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echo SNMP things. N.B.: replace VULHIERDELOCATIEIN later
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cat > /etc/snmp/snmpd.conf << 'EOF'
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sysLocation VULHIERDELOCATIEIN
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sysContact Thomas de Roo <thomas@de-roo.org>
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rocommunity cacti
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rocommunity librenms
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sysLocation VULHIERDELOCATIEIN
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sysContact Thomas de Roo <thomas@de-roo.org>
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rocommunity cacti
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rocommunity librenms
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includeAllDisks 10%
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#OS Distribution Detection
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extend distro /usr/bin/distro
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#Hardware Detection
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# (uncomment for x86 platforms)
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extend manufacturer '/bin/cat /sys/devices/virtual/dmi/id/sys_vendor'
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extend hardware '/bin/cat /sys/devices/virtual/dmi/id/product_name'
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extend serial '/bin/cat /sys/devices/virtual/dmi/id/product_serial'
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# (uncomment for ARM platforms)
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#extend hardware '/bin/cat /sys/firmware/devicetree/base/model'
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#extend serial '/bin/cat /sys/firmware/devicetree/base/serial-number'
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EOF
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curl -s -o /usr/bin/distro https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/distro
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chmod a+x /usr/bin/distro
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echo @reboot root chmod 444 /sys/devices/virtual/dmi/id/product_serial >> /etc/crontab
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chmod 444 /sys/devices/virtual/dmi/id/product_serial
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systemctl restart snmpd
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echo "--------------------"
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echo Debian Trixie apt sources
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curl -fsSL \
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-o /usr/bin/distro \
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https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/distro
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chmod +x /usr/bin/distro
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systemctl restart snmpd
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systemctl enable snmpd
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echo "===================="
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echo "Configuring Debian repositories"
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cat > /etc/apt/sources.list << "EOF"
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deb http://deb.debian.org/debian trixie main contrib non-free non-free-firmware
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deb-src http://deb.debian.org/debian trixie main contrib non-free non-free-firmware
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deb http://deb.debian.org/debian-security/ trixie-security main contrib non-free non-free-firmware
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deb-src http://deb.debian.org/debian-security/ trixie-security main contrib non-free non-free-firmware
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deb http://deb.debian.org/debian-security trixie-security main contrib non-free non-free-firmware
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deb-src http://deb.debian.org/debian-security trixie-security main contrib non-free non-free-firmware
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deb http://deb.debian.org/debian trixie-updates main contrib non-free non-free-firmware
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deb-src http://deb.debian.org/debian trixie-updates main contrib non-free non-free-firmware
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EOF
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cd $HOME
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wget https://www.deb-multimedia.org/pool/main/d/deb-multimedia-keyring/deb-multimedia-keyring_2024.9.1_all.deb
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apt install ./deb-multimedia-keyring_2024.9.1_all.deb
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cat >> /etc/apt/sources.list.d/multimedia.list << "EOF"
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echo "===================="
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echo "Adding multimedia repository"
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cd /tmp
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wget -q \
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https://www.deb-multimedia.org/pool/main/d/deb-multimedia-keyring/deb-multimedia-keyring_2024.9.1_all.deb
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apt install ./deb-multimedia-keyring_2024.9.1_all.deb -y
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cat > /etc/apt/sources.list.d/multimedia.list << "EOF"
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deb [arch=amd64 signed-by=/usr/share/keyrings/deb-multimedia-keyring.pgp] https://www.deb-multimedia.org trixie main non-free
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EOF
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#curl -s https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo sh -c 'gpg --dearmor > /usr/share/keyrings/google-chrome-keyring.gpg'
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#cat >> /etc/apt/sources.list.d/chrome.list << "EOF"
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#deb [arch=amd64 signed-by=/usr/share/keyrings/google-chrome-keyring.gpg] http://dl.google.com/linux/chrome/deb/ stable main
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#EOF
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curl https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > /usr/share/keyrings/packages.microsoft.gpg
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cat >> /etc/apt/sources.list.d/microsoft.list << "EOF"
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echo "===================="
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echo "Adding Microsoft repository"
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curl -fsSL https://packages.microsoft.com/keys/microsoft.asc \
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| gpg --dearmor \
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> /usr/share/keyrings/packages.microsoft.gpg
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cat > /etc/apt/sources.list.d/microsoft.list << "EOF"
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deb [arch=amd64 signed-by=/usr/share/keyrings/packages.microsoft.gpg] https://packages.microsoft.com/debian/12/prod bookworm main
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deb [arch=amd64 signed-by=/usr/share/keyrings/packages.microsoft.gpg] https://packages.microsoft.com/repos/microsoft-debian-bookworm-prod bookworm main
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deb [arch=amd64 signed-by=/usr/share/keyrings/packages.microsoft.gpg] http://packages.microsoft.com/repos/code stable main
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EOF
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echo "===================="
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echo "Adding Brave repository"
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echo "--------------------"
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echo Brave browser
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apt install curl
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curl -fsSLo /usr/share/keyrings/brave-browser-archive-keyring.gpg https://brave-browser-apt-release.s3.brave.com/brave-browser-archive-keyring.gpg
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echo "deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main"|tee /etc/apt/sources.list.d/brave-browser-release.list
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apt update
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#apt install brave-browser
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curl -fsSLo \
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/usr/share/keyrings/brave-browser-archive-keyring.gpg \
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https://brave-browser-apt-release.s3.brave.com/brave-browser-archive-keyring.gpg
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echo "--------------------"
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echo osquery
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mkdir -p /etc/apt/keyrings
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curl -fsSLo /usr/share/keyrings/osquery-keyring.gpg https://pkg.osquery.io/deb/pubkey.gpg
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cat >> /etc/apt/sources.list.d/osquery.list << "EOF"
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deb [trusted=yes signed-by=/usr/share/keyrings/osquery-keyring.gpg] https://pkg.osquery.io/deb deb main
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cat > /etc/apt/sources.list.d/brave-browser-release.list << "EOF"
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deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main
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EOF
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apt update
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apt install -y osquery
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cat >> /etc/osquery/osquery.conf << "EOF"
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echo "===================="
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echo "Installing osquery"
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mkdir -p /etc/apt/keyrings
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curl -fsSLo \
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/usr/share/keyrings/osquery-keyring.gpg \
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https://pkg.osquery.io/deb/pubkey.gpg
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cat > /etc/apt/sources.list.d/osquery.list << "EOF"
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deb [signed-by=/usr/share/keyrings/osquery-keyring.gpg] https://pkg.osquery.io/deb deb main
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EOF
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apt update
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apt install osquery -y
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cat > /etc/osquery/osquery.conf << "EOF"
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{
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"options": {
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"config_plugin": "filesystem",
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@@ -114,40 +189,45 @@ cat >> /etc/osquery/osquery.conf << "EOF"
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"schedule": {
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"system_info": {
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"query": "SELECT hostname, cpu_brand, physical_memory FROM system_info;",
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"interval": 3600
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"query": "SELECT hostname, cpu_brand, physical_memory FROM system_info;",
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"interval": 3600
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},
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"high_load_average": {
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"query": "SELECT period, average, '70%' AS 'threshold' FROM load_average WHERE period = '15m' AND average > '0.7';",
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"interval": 900,
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"description": "Report if load charge is over 70 percent."
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},
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"low_free_memory": {
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"query": "SELECT memory_total, memory_free, CAST(memory_free AS real) / memory_total AS memory_free_perc, '10%' AS threshold FROM memory_info WHERE memory_free_perc < 0.1;",
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"interval": 1800,
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"description": "Free RAM is under 10%."
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}
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},
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"packs": {
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"osquery-monitoring": "/opt/osquery/share/osquery/packs/osquery-monitoring.conf",
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"incident-response": "/opt/osquery/share/osquery/packs/incident-response.conf",
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"it-compliance": "/opt/osquery/share/osquery/packs/it-compliance.conf",
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"vuln-management": "/opt/osquery/share/osquery/packs/vuln-management.conf",
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"hardware-monitoring": "/opt/osquery/share/osquery/packs/hardware-monitoring.conf",
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"ossec-rootkit": "/opt/osquery/share/osquery/packs/ossec-rootkit.conf"
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"high_load_average": {
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"query": "SELECT period, average FROM load_average WHERE period='15m' AND average > 0.7;",
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"interval": 900
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}
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}
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}
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EOF
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systemctl enable osqueryd
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systemctl start osqueryd
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echo "--------------------"
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echo Wazuh agent
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curl -s https://packages.wazuh.com/key/GPG-KEY-WAZUH | gpg --no-default-keyring --keyring gnupg-ring:/usr/share/keyrings/wazuh.gpg --import && chmod 644 /usr/share/keyrings/wazuh.gpg
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echo "deb [signed-by=/usr/share/keyrings/wazuh.gpg] https://packages.wazuh.com/4.x/apt/ stable main" | tee -a /etc/apt/sources.list.d/wazuh.list
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systemctl enable osqueryd
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systemctl restart osqueryd
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echo "===================="
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echo "Installing Wazuh agent"
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curl -fsSL https://packages.wazuh.com/key/GPG-KEY-WAZUH \
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| gpg --dearmor \
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> /usr/share/keyrings/wazuh.gpg
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cat > /etc/apt/sources.list.d/wazuh.list << "EOF"
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deb [signed-by=/usr/share/keyrings/wazuh.gpg] https://packages.wazuh.com/4.x/apt/ stable main
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EOF
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apt update
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WAZUH_MANAGER="siem01.de-roo.org" apt install wazuh-agent -y
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systemctl daemon-reload
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systemctl enable wazuh-agent
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systemctl start wazuh-agent
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systemctl restart wazuh-agent
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echo "===================="
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echo "Done!"
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