This commit is contained in:
n0mad1k
2025-05-13 08:06:21 -04:00
parent 810cff1171
commit ef75e7a476
5 changed files with 264 additions and 110 deletions
+1
View File
@@ -20,6 +20,7 @@
- netcat-openbsd
- secure-delete
- jq
- php-fpm
state: present
update_cache: yes
+138 -86
View File
@@ -9,11 +9,10 @@
retries: 5
delay: 5
- name: Install security packages
- name: Install security packages (non-UFW)
apt:
name:
- fail2ban
- ufw
- unattended-upgrades
- debsums
- aide
@@ -25,75 +24,157 @@
retries: 3
delay: 5
- name: Configure UFW default policies
ufw:
state: enabled
policy: deny
direction: incoming
ignore_errors: yes
# Skip UFW for AWS, use it for other providers
- name: Determine if using AWS provider
set_fact:
is_aws_provider: "{{ provider | default('unknown') == 'aws' }}"
- name: Configure UFW for C2 server
# Only install and configure UFW for non-AWS providers
- name: Check if UFW is installed
command: which ufw
register: ufw_check
failed_when: false
changed_when: false
when: not is_aws_provider
- name: Install UFW if not present (non-AWS)
apt:
name: ufw
state: present
update_cache: yes
register: ufw_install
until: ufw_install is success
retries: 3
delay: 5
when: not is_aws_provider and ufw_check.rc != 0
- name: Configure UFW for non-AWS deployments
block:
- name: Reset UFW to default deny
- name: Configure UFW default policies
ufw:
state: enabled
policy: deny
direction: incoming
ignore_errors: yes
- name: Allow SSH only from operator IP
ufw:
rule: allow
port: "22"
src: "{{ operator_ip }}"
proto: tcp
- name: Configure UFW for C2 server
block:
- name: Reset UFW to default deny
ufw:
state: enabled
policy: deny
direction: incoming
- name: Allow Havoc Teamserver only from operator IP
ufw:
rule: allow
port: "{{ havoc_teamserver_port | default('40056') }}"
src: "{{ operator_ip }}"
proto: tcp
- name: Allow SSH only from operator IP
ufw:
rule: allow
port: "22"
src: "{{ operator_ip }}"
proto: tcp
- name: Allow traffic only from redirector
ufw:
rule: allow
port: "{{ item }}"
src: "{{ redirector_ip }}"
proto: tcp
loop:
- "80"
- "443"
- "{{ havoc_http_port | default('8080') }}"
- "{{ havoc_https_port | default('443') }}"
- "{{ gophish_admin_port }}"
when: "'c2servers' in group_names"
- name: Allow Havoc Teamserver only from operator IP
ufw:
rule: allow
port: "{{ havoc_teamserver_port | default('40056') }}"
src: "{{ operator_ip }}"
proto: tcp
- name: Configure UFW for redirector
- name: Allow traffic only from redirector
ufw:
rule: allow
port: "{{ item }}"
src: "{{ redirector_ip }}"
proto: tcp
loop:
- "80"
- "443"
- "{{ havoc_http_port | default('8080') }}"
- "{{ havoc_https_port | default('443') }}"
- "{{ gophish_admin_port }}"
when: "'c2servers' in group_names"
- name: Configure UFW for redirector
block:
- name: Reset UFW to default deny
ufw:
state: enabled
policy: deny
direction: incoming
- name: Allow SSH only from operator IP
ufw:
rule: allow
port: "22"
src: "{{ operator_ip }}"
proto: tcp
- name: Allow public services from anywhere
ufw:
rule: allow
port: "{{ item }}"
proto: tcp
loop:
- "80"
- "443"
- "{{ shell_handler_port | default('4444') }}"
when: "'redirectors' in group_names"
# Only run UFW block if not AWS and UFW is available/installed
when: not is_aws_provider and (ufw_check.rc == 0 or ufw_install is success)
# Configure iptables fallback if UFW isn't available (non-AWS only)
- name: Configure basic iptables rules if UFW unavailable
block:
- name: Reset UFW to default deny
ufw:
state: enabled
policy: deny
direction: incoming
- name: Set up basic iptables rules for C2 server
shell: |
iptables -F
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
# Allow established connections
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
# Allow SSH from operator
iptables -A INPUT -p tcp --dport 22 -s {{ operator_ip }} -j ACCEPT
# Allow Havoc teamserver from operator
iptables -A INPUT -p tcp --dport {{ havoc_teamserver_port | default(40056) }} -s {{ operator_ip }} -j ACCEPT
# Allow traffic from redirector
iptables -A INPUT -p tcp --dport 80 -s {{ redirector_ip }} -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s {{ redirector_ip }} -j ACCEPT
iptables -A INPUT -p tcp --dport {{ havoc_http_port | default(8080) }} -s {{ redirector_ip }} -j ACCEPT
iptables -A INPUT -p tcp --dport {{ havoc_https_port | default(443) }} -s {{ redirector_ip }} -j ACCEPT
iptables -A INPUT -p tcp --dport {{ gophish_admin_port }} -s {{ redirector_ip }} -j ACCEPT
when: "'c2servers' in group_names"
when: not is_aws_provider and (ufw_check.rc != 0 and (ufw_install is undefined or ufw_install is failed))
- name: Allow SSH only from operator IP
ufw:
rule: allow
port: "22"
src: "{{ operator_ip }}"
proto: tcp
# SSH Hardening - applies to all providers
- name: Harden SSH configuration
lineinfile:
path: /etc/ssh/sshd_config
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
state: present
loop:
- { regexp: '^#?PermitRootLogin', line: 'PermitRootLogin no' }
- { regexp: '^#?PasswordAuthentication', line: 'PasswordAuthentication no' }
- { regexp: '^#?X11Forwarding', line: 'X11Forwarding no' }
- { regexp: '^#?MaxAuthTries', line: 'MaxAuthTries 3' }
- { regexp: '^#?AllowTcpForwarding', line: 'AllowTcpForwarding yes' }
- { regexp: '^#?ClientAliveInterval', line: 'ClientAliveInterval 300' }
- { regexp: '^#?ClientAliveCountMax', line: 'ClientAliveCountMax 2' }
register: ssh_config_updated
- name: Allow public services from anywhere
ufw:
rule: allow
port: "{{ item }}"
proto: tcp
loop:
- "80"
- "443"
- "{{ shell_handler_port | default('4444') }}"
when: "'redirectors' in group_names"
- name: Configure system resource limits
pam_limits:
domain: "*"
limit_type: "{{ item.limit_type }}"
limit_item: "{{ item.limit_item }}"
value: "{{ item.value }}"
loop:
- { limit_type: soft, limit_item: nofile, value: 65535 }
- { limit_type: hard, limit_item: nofile, value: 65535 }
- { limit_type: soft, limit_item: nproc, value: 4096 }
- { limit_type: hard, limit_item: nproc, value: 4096 }
# Set up fail2ban - applies to all providers
- name: Set up fail2ban SSH jail
copy:
dest: /etc/fail2ban/jail.d/sshd.conf
@@ -144,35 +225,6 @@
mode: '0700'
when: zero_logs | default(false) | bool
# SSH Hardening
- name: Harden SSH configuration
lineinfile:
path: /etc/ssh/sshd_config
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
state: present
loop:
- { regexp: '^#?PermitRootLogin', line: 'PermitRootLogin no' }
- { regexp: '^#?PasswordAuthentication', line: 'PasswordAuthentication no' }
- { regexp: '^#?X11Forwarding', line: 'X11Forwarding no' }
- { regexp: '^#?MaxAuthTries', line: 'MaxAuthTries 3' }
- { regexp: '^#?AllowTcpForwarding', line: 'AllowTcpForwarding yes' }
- { regexp: '^#?ClientAliveInterval', line: 'ClientAliveInterval 300' }
- { regexp: '^#?ClientAliveCountMax', line: 'ClientAliveCountMax 2' }
register: ssh_config_updated
- name: Configure system resource limits
pam_limits:
domain: "*"
limit_type: "{{ item.limit_type }}"
limit_item: "{{ item.limit_item }}"
value: "{{ item.value }}"
loop:
- { limit_type: soft, limit_item: nofile, value: 65535 }
- { limit_type: hard, limit_item: nofile, value: 65535 }
- { limit_type: soft, limit_item: nproc, value: 4096 }
- { limit_type: hard, limit_item: nproc, value: 4096 }
# Service restart handlers
- name: Restart SSH service if configuration changed
service: