basic deployment of redirector and c2 working
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n0mad1k
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---
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# Linode/configure-redirector.yml
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# This playbook handles only the configuration of an already-created redirector
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- name: Configure Linode redirector
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hosts: redirector
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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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shell_handler_port: "{{ shell_handler_port | default(4000 + 60000 | random) }}"
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domain: "{{ domain | default('example.com') }}"
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redirector_subdomain: "{{ redirector_subdomain | default('cdn') }}"
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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: Install nginx and other required packages
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apt:
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name:
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- nginx
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- certbot
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- python3-certbot-nginx
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- socat
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- netcat-openbsd
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- secure-delete
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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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- name: Create directories for operational scripts
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file:
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path: "{{ item }}"
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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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with_items:
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- /opt/c2
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- /opt/shell-handler
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- name: Copy clean-logs.sh script
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copy:
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src: "../files/clean-logs.sh" # Fix the path to point to root files directory
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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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- name: Copy shell handler script
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copy:
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src: "../files/persistent-listener.sh" # Use relative path with ../ prefix
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dest: /opt/shell-handler/persistent-listener.sh
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mode: '0700'
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owner: root
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group: root
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- name: Configure shell handler script with C2 IP
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replace:
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path: /opt/shell-handler/persistent-listener.sh
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regexp: 'C2_HOST="127.0.0.1"'
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replace: 'C2_HOST="{{ c2_ip | default("127.0.0.1") }}"'
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- name: Configure shell handler script with listening port
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replace:
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path: /opt/shell-handler/persistent-listener.sh
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regexp: 'LISTEN_PORT=4444'
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replace: 'LISTEN_PORT={{ shell_handler_port }}'
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- name: Create shell handler service
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template:
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src: "../FlokiNET/templates/shell-handler.service.j2"
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dest: /etc/systemd/system/shell-handler.service
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mode: '0644'
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owner: root
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group: root
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vars:
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c2_ip: "{{ c2_ip | default('127.0.0.1') }}"
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shell_handler_port: "{{ shell_handler_port }}"
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- name: Configure NGINX for zero-logging
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template:
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src: "../FlokiNET/templates/nginx.conf.j2"
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dest: /etc/nginx/nginx.conf
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mode: '0644'
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owner: root
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group: root
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when: zero_logs | default(true) | bool
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- name: Configure NGINX for C2 redirection
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template:
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src: "../FlokiNET/templates/default-site.j2"
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dest: /etc/nginx/sites-available/default
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mode: '0644'
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owner: root
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group: root
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vars:
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domain: "{{ domain }}"
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c2_host: "{{ c2_ip | default('127.0.0.1') }}"
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- name: Create legitimate-looking index.html
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template:
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src: "../FlokiNET/templates/index.html.j2"
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dest: /var/www/html/index.html
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mode: '0644'
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owner: www-data
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group: www-data
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vars:
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domain: "{{ domain }}"
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redirector_subdomain: "{{ redirector_subdomain }}"
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- name: Start and enable shell handler service
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systemd:
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name: shell-handler
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state: started
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enabled: yes
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daemon_reload: yes
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register: shell_handler_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: shell_handler_result is success
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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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- name: Install Let's Encrypt certificate if domain specified
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shell: |
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certbot --nginx -d {{ redirector_subdomain }}.{{ domain }} --non-interactive --agree-tos -m {{ letsencrypt_email | default('admin@' + domain) }}
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args:
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creates: /etc/letsencrypt/live/{{ redirector_subdomain }}.{{ domain }}/fullchain.pem
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when: domain != "example.com"
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ignore_errors: true
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- name: Restart NGINX
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systemd:
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name: nginx
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state: restarted
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register: nginx_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: nginx_restart_result is success
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- name: Print deployment summary
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debug:
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msg:
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- "Redirector Configuration Complete!"
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- "-------------------------------"
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- "Redirector IP: {{ ansible_host }}"
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- "Redirector Domain: {{ redirector_subdomain }}.{{ domain }} (Update DNS A record)"
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- "Shell Handler Port: {{ shell_handler_port }}"
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