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Requiring IMDSv2 #1386

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8 changes: 4 additions & 4 deletions terraform/aws/modules/generic-server/resources.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,9 @@ resource "aws_instance" "this" {
private_ip = var.private_ip
vpc_security_group_ids = [aws_security_group.this.id]
user_data = var.user_data
metadata_options {
http_tokens = "required"
}

root_block_device {
volume_type = var.root_volume_type
Expand All @@ -58,14 +61,11 @@ output "instance" {

resource "aws_ec2_traffic_mirror_session" "zeek_session" {
for_each = var.zeek_monitor ? { zeek = true } : {}

description = "Zeek Mirror Session for ${var.server_name}"
depends_on = [aws_instance.this]
traffic_mirror_filter_id = var.zeek_traffic_mirror_filter_id
traffic_mirror_target_id = var.zeek_traffic_mirror_target_id
network_interface_id = aws_instance.this.primary_network_interface_id
session_number = var.zeek_session_number
}



11 changes: 7 additions & 4 deletions terraform/aws/modules/router/resources.tf
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Expand Up @@ -32,17 +32,20 @@ resource "aws_instance" "router" {
subnet_id = var.subnet_id
private_ip = var.private_ip
vpc_security_group_ids = [aws_security_group.default.id]
metadata_options {
http_tokens = "required"
}

associate_public_ip_address = true

root_block_device {
volume_type = "gp3"
volume_size = "30"
volume_type = "gp3"
volume_size = "30"
delete_on_termination = "true"
encrypted = "true"
encrypted = "true"
}

tags = {
Name = "ar-router-${var.attack_range_id}"
}
}
}
47 changes: 25 additions & 22 deletions terraform/aws/modules/zeek-server/resources.tf
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Expand Up @@ -26,13 +26,16 @@ resource "aws_security_group" "zeek_server" {
}

resource "aws_instance" "zeek_sensor" {
count = var.zeek_server ? 1 : 0
ami = var.ami_id
instance_type = "m5.2xlarge"
key_name = var.key_name
subnet_id = var.subnet_id
count = var.zeek_server ? 1 : 0
ami = var.ami_id
instance_type = "m5.2xlarge"
key_name = var.key_name
subnet_id = var.subnet_id
vpc_security_group_ids = [aws_security_group.zeek_server[0].id]
private_ip = var.private_ip
private_ip = var.private_ip
metadata_options {
http_tokens = "required"
}

tags = {
Name = "ar-${var.server_name}-${var.attack_range_id}"
Expand All @@ -47,34 +50,34 @@ resource "aws_instance" "zeek_sensor" {
}

resource "aws_ec2_traffic_mirror_target" "zeek_target" {
count = var.zeek_server ? 1 : 0
count = var.zeek_server ? 1 : 0
description = "VPC Tap for Zeek"
network_interface_id = aws_instance.zeek_sensor[0].primary_network_interface_id
}

resource "aws_ec2_traffic_mirror_filter" "zeek_filter" {
count = var.zeek_server ? 1 : 0
count = var.zeek_server ? 1 : 0
description = "Zeek Mirror Filter - Allow All"
}

resource "aws_ec2_traffic_mirror_filter_rule" "zeek_outbound" {
count = var.zeek_server ? 1 : 0
description = "Zeek Outbound Rule"
count = var.zeek_server ? 1 : 0
description = "Zeek Outbound Rule"
traffic_mirror_filter_id = aws_ec2_traffic_mirror_filter.zeek_filter[0].id
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = "0.0.0.0/0"
rule_number = 1
rule_action = "accept"
traffic_direction = "egress"
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = "0.0.0.0/0"
rule_number = 1
rule_action = "accept"
traffic_direction = "egress"
}

resource "aws_ec2_traffic_mirror_filter_rule" "zeek_inbound" {
count = var.zeek_server ? 1 : 0
description = "Zeek Inbound Rule"
count = var.zeek_server ? 1 : 0
description = "Zeek Inbound Rule"
traffic_mirror_filter_id = aws_ec2_traffic_mirror_filter.zeek_filter[0].id
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = "0.0.0.0/0"
rule_number = 1
rule_action = "accept"
traffic_direction = "ingress"
destination_cidr_block = "0.0.0.0/0"
source_cidr_block = "0.0.0.0/0"
rule_number = 1
rule_action = "accept"
traffic_direction = "ingress"
}