n0mad1k
486 lines
15 KiB
YAML
486 lines
15 KiB
YAML
---
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# Linode/configure-c2.yml
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# This playbook handles only the configuration of an already-created C2 server
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- name: Configure Linode C2 server
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hosts: c2
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gather_facts: false
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become: true
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vars_files:
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- vars.yaml
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vars:
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# Default values if not provided
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domain: "{{ domain | default('example.com') }}"
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c2_subdomain: "{{ c2_subdomain | default('mail') }}"
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mail_hostname: "{{ mail_hostname | default('mail.' + domain) }}"
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gophish_admin_port: "{{ gophish_admin_port | default('8090') }}"
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smtp_auth_user: "{{ smtp_auth_user | default('phishuser') }}"
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smtp_auth_pass: "{{ smtp_auth_pass | default(lookup('password', '/dev/null length=16 chars=ascii_letters,digits')) }}"
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tasks:
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# Retry logic for SSH connection
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- name: Wait for SSH connection to stabilize
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wait_for_connection:
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delay: 10
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timeout: 300
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register: wait_result
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ignore_errors: true
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retries: 5
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delay: 30
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until: wait_result is success
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- name: Gather facts after ensuring SSH connection
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setup:
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register: setup_result
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ignore_errors: true
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retries: 5
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delay: 30
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until: setup_result is success
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- name: Wait for apt lock to be released
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shell: |
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while lsof /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do
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echo "waiting for apt lock to be released..."
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sleep 5
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done
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changed_when: false
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- name: Disable root password authentication for SSH immediately
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^#?PasswordAuthentication'
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line: 'PasswordAuthentication no'
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state: present
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register: ssh_config_result
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ignore_errors: true
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retries: 3
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delay: 10
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until: ssh_config_result is success
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- name: Restart SSH service to apply changes
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service:
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name: ssh
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state: restarted
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register: ssh_restart_result
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ignore_errors: true
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retries: 3
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delay: 10
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until: ssh_restart_result is success
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- name: Update apt cache
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apt:
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update_cache: yes
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register: apt_update_result
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ignore_errors: true
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retries: 5
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delay: 10
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until: apt_update_result is success
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- name: Set a custom MOTD
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template:
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src: "templates/motd-linode.j2"
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dest: /etc/motd
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owner: root
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group: root
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mode: '0644'
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vars:
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letsencrypt_email: "{{ letsencrypt_email | default('admin@' + domain) }}"
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mail_hostname: "{{ mail_hostname }}"
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domain: "{{ domain }}"
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gophish_admin_port: "{{ gophish_admin_port }}"
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- name: Hush Default Login Message
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shell: |
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rm -rf '/usr/bin/kali-motd'
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changed_when: false
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ignore_errors: true
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- name: Install base utilities and tools via apt
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apt:
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name:
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- git
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- wget
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- curl
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- unzip
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- python3-pip
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- python3-virtualenv
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- tmux
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- pipx
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- nmap
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- tcpdump
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- hydra
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- john
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- hashcat
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- sqlmap
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- gobuster
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- dirb
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- enum4linux
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- dnsenum
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- seclists
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- responder
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- golang
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- proxychains
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- tor
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- crackmapexec
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- jq
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- unzip
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- postfix
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- certbot
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- opendkim
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- opendkim-tools
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- dovecot-core
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- dovecot-imapd
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- dovecot-pop3d
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- dovecot-sieve
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- dovecot-managesieved
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- yq
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state: present
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register: apt_install_result
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ignore_errors: true
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retries: 3
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delay: 10
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until: apt_install_result is success
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# Create Tools directory and ensure proper ownership
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- name: Create Tools directory
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file:
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path: ~/Tools
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state: directory
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mode: '0755'
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ignore_errors: true
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- name: Ensure pipx path is configured
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shell: |
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pipx ensurepath
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args:
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executable: /bin/bash
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ignore_errors: true
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- name: Install tools via pipx
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shell: |
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export PATH=$PATH:/root/.local/bin
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pipx ensurepath
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pipx install git+https://github.com/Pennyw0rth/NetExec
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pipx install git+https://github.com/blacklanternsecurity/TREVORspray
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pipx install impacket
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args:
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executable: /bin/bash
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ignore_errors: true
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- name: Download Kerbrute
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shell: |
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mkdir -p ~/Tools/Kerbrute
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wget https://github.com/ropnop/kerbrute/releases/latest/download/kerbrute_linux_amd64 -O ~/Tools/Kerbrute/kerbrute
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chmod +x ~/Tools/Kerbrute/kerbrute
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args:
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executable: /bin/bash
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creates: ~/Tools/Kerbrute/kerbrute
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ignore_errors: true
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- name: Clone SharpCollection nightly builds
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git:
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repo: https://github.com/Flangvik/SharpCollection.git
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dest: ~/Tools/SharpCollection
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version: master
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ignore_errors: true
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- name: Clone PEASS-ng
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git:
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repo: https://github.com/carlospolop/PEASS-ng.git
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dest: ~/Tools/PEASS-ng
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ignore_errors: true
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- name: Clone MailSniper
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git:
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repo: https://github.com/dafthack/MailSniper.git
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dest: ~/Tools/MailSniper
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ignore_errors: true
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- name: Clone Inveigh
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git:
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repo: https://github.com/Kevin-Robertson/Inveigh.git
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dest: ~/Tools/Inveigh
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ignore_errors: true
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- name: Install Sliver C2 server
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shell: |
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curl https://sliver.sh/install | bash
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systemctl enable sliver
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systemctl start sliver
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ignore_errors: true
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- name: Install Metasploit Framework (Nightly Build)
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shell: |
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curl https://raw.githubusercontent.com/rapid7/metasploit-omnibus/master/config/templates/metasploit-framework-wrappers/msfupdate.erb > ~/Tools/msfinstall
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chmod 755 ~/Tools/msfinstall
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~/Tools/msfinstall
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args:
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executable: /bin/bash
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ignore_errors: true
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- name: Grab GoPhish
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shell: |
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curl -L "$(curl -s https://api.github.com/repos/gophish/gophish/releases/latest | jq -r '.assets[] | select(.browser_download_url | contains("linux-64bit.zip")) | .browser_download_url')" -o ~/Tools/gophish.zip
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unzip ~/Tools/gophish.zip -d ~/Tools/gophish
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rm -rf ~/Tools/gophish.zip
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chmod +x ~/Tools/gophish/gophish
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args:
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executable: /bin/bash
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creates: ~/Tools/gophish/gophish
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ignore_errors: true
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- name: Deploy Gophish config.json with custom admin port
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template:
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src: "templates/gophish-config.j2"
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dest: ~/Tools/gophish/config.json
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owner: root
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group: root
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mode: '0644'
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vars:
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gophish_admin_port: "{{ gophish_admin_port }}"
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domain: "{{ domain }}"
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ignore_errors: true
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# Mail server configuration
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- name: Configure Postfix main.cf
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lineinfile:
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path: /etc/postfix/main.cf
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regexp: "{{ item.regexp }}"
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line: "{{ item.line }}"
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with_items:
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- { regexp: '^myhostname', line: "myhostname = {{ mail_hostname }}" }
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- { regexp: '^mydomain', line: "mydomain = {{ domain }}" }
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- { regexp: '^myorigin', line: "myorigin = $mydomain" }
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- { regexp: '^inet_interfaces', line: "inet_interfaces = all" }
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- { regexp: '^inet_protocols', line: "inet_protocols = ipv4" }
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- { regexp: '^smtpd_banner', line: "smtpd_banner = $myhostname ESMTP $mail_name" }
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- { regexp: '^mynetworks', line: "mynetworks = 127.0.0.0/8 [::1]/128" }
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- { regexp: '^relay_domains', line: "relay_domains = $mydestination" }
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- { regexp: '^smtpd_tls_cert_file', line: "smtpd_tls_cert_file = /etc/letsencrypt/live/{{ domain }}/fullchain.pem" }
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- { regexp: '^smtpd_tls_key_file', line: "smtpd_tls_key_file = /etc/letsencrypt/live/{{ domain }}/privkey.pem" }
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- { regexp: '^smtpd_tls_security_level', line: "smtpd_tls_security_level = encrypt" }
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- { regexp: '^smtpd_tls_session_cache_database', line: "smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache" }
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- { regexp: '^smtp_tls_session_cache_database', line: "smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache" }
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- { regexp: '^smtpd_use_tls', line: "smtpd_use_tls = yes" }
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- { regexp: '^smtpd_tls_auth_only', line: "smtpd_tls_auth_only = yes" }
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- { regexp: '^milter_default_action', line: "milter_default_action = accept" }
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- { regexp: '^milter_protocol', line: "milter_protocol = 6" }
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- { regexp: '^smtpd_milters', line: "smtpd_milters = unix:/var/spool/postfix/opendkim/opendkim.sock" }
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- { regexp: '^non_smtpd_milters', line: "non_smtpd_milters = unix:/var/spool/postfix/opendkim/opendkim.sock" }
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ignore_errors: true
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- name: Configure OpenDKIM
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lineinfile:
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path: /etc/opendkim.conf
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regexp: "{{ item.regexp }}"
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line: "{{ item.line }}"
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with_items:
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- { regexp: '^Domain', line: "Domain {{ domain }}" }
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- { regexp: '^KeyFile', line: "KeyFile /etc/opendkim/keys/{{ domain }}/mail.private" }
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- { regexp: '^Selector', line: "Selector mail" }
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- { regexp: '^Socket', line: "Socket local:/var/spool/postfix/opendkim/opendkim.sock" }
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- { regexp: '^Syslog', line: "Syslog yes" }
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- { regexp: '^UMask', line: "UMask 002" }
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- { regexp: '^Mode', line: "Mode sv" }
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ignore_errors: true
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- name: Create DKIM directory
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file:
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path: /etc/opendkim/keys/{{ domain }}
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state: directory
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owner: opendkim
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group: opendkim
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mode: 0700
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ignore_errors: true
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- name: Generate DKIM keys
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command: >
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opendkim-genkey -D /etc/opendkim/keys/{{ domain }} -d {{ domain }} -s mail
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args:
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creates: /etc/opendkim/keys/{{ domain }}/mail.private
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ignore_errors: true
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- name: Set permissions for DKIM keys
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file:
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path: /etc/opendkim/keys/{{ domain }}/mail.private
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owner: opendkim
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group: opendkim
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mode: 0600
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ignore_errors: true
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- name: Configure OpenDKIM TrustedHosts
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copy:
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content: |
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127.0.0.1
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::1
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localhost
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{{ domain }}
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dest: /etc/opendkim/TrustedHosts
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owner: opendkim
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group: opendkim
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mode: 0644
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ignore_errors: true
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- name: Enable submission port (587) in master.cf
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blockinfile:
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path: /etc/postfix/master.cf
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insertafter: '^#submission'
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block: |
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submission inet n - y - - smtpd
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-o syslog_name=postfix/submission
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-o smtpd_tls_security_level=encrypt
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-o smtpd_sasl_auth_enable=yes
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-o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
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-o smtpd_relay_restrictions=permit_sasl_authenticated,reject
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ignore_errors: true
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# Dovecot and authentication configuration
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- name: Configure Dovecot for Postfix SASL
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blockinfile:
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path: /etc/dovecot/conf.d/10-master.conf
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insertafter: '^service auth {'
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block: |
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# Postfix smtp-auth
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unix_listener /var/spool/postfix/private/auth {
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mode = 0660
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user = postfix
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group = postfix
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}
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ignore_errors: true
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- name: Set Dovecot auth_mechanisms
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lineinfile:
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path: /etc/dovecot/conf.d/10-auth.conf
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regexp: '^auth_mechanisms'
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line: 'auth_mechanisms = plain login'
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ignore_errors: true
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- name: Create Dovecot password file for SASL authentication
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file:
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path: /etc/dovecot/passwd
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state: touch
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mode: '0600'
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owner: dovecot
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group: dovecot
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ignore_errors: true
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- name: Add SMTP auth user to Dovecot
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lineinfile:
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path: /etc/dovecot/passwd
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line: "{{ smtp_auth_user }}:{{ smtp_auth_pass | password_hash('sha512_crypt') }}"
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ignore_errors: true
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- name: Disable system auth and use passwd-file
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lineinfile:
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path: /etc/dovecot/conf.d/10-auth.conf
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regexp: '^!include auth-system.conf.ext'
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line: '#!include auth-system.conf.ext'
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ignore_errors: true
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- name: Add auth-passwdfile configuration
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blockinfile:
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path: /etc/dovecot/conf.d/10-auth.conf
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insertafter: '^auth_mechanisms ='
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block: |
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passdb {
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driver = passwd-file
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args = scheme=sha512_crypt /etc/dovecot/passwd
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}
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userdb {
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driver = static
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args = uid=vmail gid=vmail home=/var/vmail/%u
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}
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ignore_errors: true
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- name: Create vmail user/group
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group:
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name: vmail
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gid: 5000
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state: present
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ignore_errors: true
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- name: Create vmail user
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user:
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name: vmail
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uid: 5000
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group: vmail
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create_home: no
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ignore_errors: true
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- name: Create vmail directory
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file:
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path: /var/vmail
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state: directory
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owner: vmail
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group: vmail
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mode: 0700
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ignore_errors: true
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- name: Install Let's Encrypt certificate if domain specified
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shell: |
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certbot certonly --standalone -d {{ c2_subdomain }}.{{ domain }} --non-interactive --agree-tos -m {{ letsencrypt_email | default('admin@' + domain) }}
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certbot certonly --standalone -d {{ mail_hostname }} --non-interactive --agree-tos -m {{ letsencrypt_email | default('admin@' + domain) }}
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args:
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creates: /etc/letsencrypt/live/{{ domain }}/fullchain.pem
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when: domain != "example.com"
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ignore_errors: true
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- name: Restart Postfix
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service:
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name: postfix
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state: restarted
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ignore_errors: true
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- name: Restart Dovecot
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service:
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name: dovecot
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state: restarted
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ignore_errors: true
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- name: Create operational scripts directory
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file:
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path: /opt/c2
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state: directory
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mode: '0700'
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owner: root
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group: root
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ignore_errors: true
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- name: Copy clean-logs.sh script
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copy:
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src: "../files/clean-logs.sh"
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dest: /opt/c2/clean-logs.sh
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mode: '0700'
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owner: root
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group: root
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ignore_errors: true
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- name: Copy secure-exit.sh script
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copy:
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src: "../files/secure-exit.sh"
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dest: /opt/c2/secure-exit.sh
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mode: '0700'
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owner: root
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group: root
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ignore_errors: true
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- name: Set up cron job for log cleaning if zero-logs enabled
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cron:
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name: "Clean logs"
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minute: "0"
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hour: "*/6"
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job: "/opt/c2/clean-logs.sh > /dev/null 2>&1"
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when: zero_logs | default(true) | bool
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ignore_errors: true
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- name: Print deployment summary
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debug:
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msg:
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- "C2 Server Configuration Complete!"
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- "-----------------------------"
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- "C2 Server IP: {{ ansible_host }}"
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- "C2 Server Domain: {{ c2_subdomain }}.{{ domain }} (Update DNS A record)"
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- "Mail Server Domain: {{ mail_hostname }} (Update DNS A record)"
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- "GoPhish Admin Port: {{ gophish_admin_port }}"
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- "SMTP Auth User: {{ smtp_auth_user }}"
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- "SMTP Auth Password: {{ smtp_auth_pass }}" |