Parameters:
  KeyName:
    Description: Name of an existing EC2 KeyPair to enable SSH access to the instances. Linked to AWS Parameter
    Type: AWS::EC2::KeyPair::KeyName
    ConstraintDescription: must be the name of an existing EC2 KeyPair.
  LatestAmiId:
    Description: (DO NOT CHANGE)
    Type: 'AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>'
    Default: '/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2'
    AllowedValues:
      - /aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2

Resources:
# IAM Role & Instance Profile
  IAMLabInstanceRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: IAMLabInstanceRole
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          -
            Effect: Allow
            Principal:
              Service:
                - ec2.amazonaws.com
            Action:
              - sts:AssumeRole
      Path: /
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AmazonS3ReadOnlyAccess

  IAMRoleForInstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      InstanceProfileName: IAMLabRoleForInstances
      Path: /
      Roles:
        - !Ref IAMLabInstanceRole

# VPC
  MyVPC:
    Type: AWS::EC2::VPC
    Properties:
     CidrBlock: 10.0.0.0/16
     EnableDnsHostnames: true
     EnableDnsSupport: true
     Tags:
        - Key: Name
          Value: My-VPC

  MyIGW:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: My-IGW

  MyIGWAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      InternetGatewayId: !Ref MyIGW
      VpcId: !Ref MyVPC

  MyPublicRT:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref MyVPC
      Tags:
        - Key: Name
          Value: My-Public-RT

  DefaultPublicRoute:
    Type: AWS::EC2::Route
    DependsOn: MyIGWAttachment
    Properties:
      RouteTableId: !Ref MyPublicRT
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref MyIGW

  MyPublicSN:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref MyVPC
      AvailabilityZone: !Select [ 0, !GetAZs '' ]
      CidrBlock: 10.0.0.0/24
      Tags:
        - Key: Name
          Value: My-Public-SN

  MyPublicSN2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref MyVPC
      AvailabilityZone: !Select [ 2, !GetAZs '' ]
      CidrBlock: 10.0.1.0/24
      Tags:
        - Key: Name
          Value: My-Public-SN-2

  MyPublicSNRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref MyPublicRT
      SubnetId: !Ref MyPublicSN

  MyPublicSNRouteTableAssociation2:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref MyPublicRT
      SubnetId: !Ref MyPublicSN2

  MySG:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: WEB Security Group
      VpcId: !Ref MyVPC
      Tags:
        - Key: Name
          Value: My-SG
      SecurityGroupIngress:
      - IpProtocol: tcp
        FromPort: '22'
        ToPort: '22'
        CidrIp: 0.0.0.0/0
      - IpProtocol: tcp
        FromPort: '80'
        ToPort: '80'
        CidrIp: 0.0.0.0/0


  MYEC2:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t2.micro
      ImageId: !Ref LatestAmiId
      IamInstanceProfile: IAMLabRoleForInstances
      KeyName: !Ref KeyName
      Tags:
        - Key: Name
          Value: WebServer
      NetworkInterfaces:
        - DeviceIndex: 0
          SubnetId: !Ref MyPublicSN
          GroupSet:
          - !Ref MySG
          AssociatePublicIpAddress: true
          PrivateIpAddress: 10.0.0.10
      BlockDeviceMappings:
        - DeviceName: /dev/xvda
          Ebs:
            VolumeType: gp3
            VolumeSize: 30
            DeleteOnTermination: true
      UserData:
        Fn::Base64:
          !Sub |
            #!/bin/bash
            hostnamectl --static set-hostname WebServer
            echo "sudo su -" >> /home/ec2-user/.bashrc

            # Change Timezone
            sed -i "s/UTC/Asia\/Seoul/g" /etc/sysconfig/clock
            ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime

            # Install Packages
            yum install -y httpd php tree git htop jq

            # Install httpd & WebShell
            systemctl start httpd && systemctl enable httpd
            curl -o /var/www/html/index.php https://raw.githubusercontent.com/Arrexel/phpbash/master/phpbash.php

            # Install aws cli v2
            curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
            unzip awscliv2.zip >/dev/null 2>&1
            sudo ./aws/install
            complete -C '/usr/local/bin/aws_completer' aws
            echo 'export AWS_PAGER=""' >>/etc/profile
            export AWS_DEFAULT_REGION=${AWS::Region}
            echo "export AWS_DEFAULT_REGION=$AWS_DEFAULT_REGION" >> /etc/profile

            # Install Docker
            cat <<EOF | sudo tee /etc/sysctl.d/docker.conf
            net.bridge.bridge-nf-call-ip6tables = 1
            net.bridge.bridge-nf-call-iptables = 1
            EOF
            amazon-linux-extras install docker -y
            systemctl start docker && systemctl enable docker

            # Setting SSH
            sed -i "s/^PasswordAuthentication no/PasswordAuthentication yes/g" /etc/ssh/sshd_config
            sed -i "s/^#PermitRootLogin yes/PermitRootLogin yes/g" /etc/ssh/sshd_config
            systemctl restart sshd 

  MYEC22:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t2.micro
      ImageId: !Ref LatestAmiId
      KeyName: !Ref KeyName
      Tags:
        - Key: Name
          Value: Attacker
      NetworkInterfaces:
        - DeviceIndex: 0
          SubnetId: !Ref MyPublicSN
          GroupSet:
          - !Ref MySG
          AssociatePublicIpAddress: true
          PrivateIpAddress: 10.0.0.20
      BlockDeviceMappings:
        - DeviceName: /dev/xvda
          Ebs:
            VolumeType: gp3
            VolumeSize: 30
            DeleteOnTermination: true
      UserData:
        Fn::Base64:
          !Sub |
            #!/bin/bash
            hostnamectl --static set-hostname Attacker
            echo "sudo su -" >> /home/ec2-user/.bashrc

            # Change Timezone
            sed -i "s/UTC/Asia\/Seoul/g" /etc/sysconfig/clock
            ln -sf /usr/share/zoneinfo/Asia/Seoul /etc/localtime

            # Install Packages
            yum install -y tree git htop jq nc lynx

            # Install aws cli v2
            curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
            unzip awscliv2.zip >/dev/null 2>&1
            sudo ./aws/install
            complete -C '/usr/local/bin/aws_completer' aws
            echo 'export AWS_PAGER=""' >>/etc/profile
            export AWS_DEFAULT_REGION=${AWS::Region}
            echo "export AWS_DEFAULT_REGION=$AWS_DEFAULT_REGION" >> /etc/profile

            # Install Docker
            cat <<EOF | sudo tee /etc/sysctl.d/docker.conf
            net.bridge.bridge-nf-call-ip6tables = 1
            net.bridge.bridge-nf-call-iptables = 1
            EOF
            amazon-linux-extras install docker epel -y
            systemctl start docker && systemctl enable docker

            # Install Password
            yum install -y hydra gcc sshpass
            cd /root
            wget https://raw.githubusercontent.com/Mebus/cupp/master/cupp.py
            wget https://raw.githubusercontent.com/Mebus/cupp/master/cupp.cfg
            wget https://github.com/praetorian-inc/Hob0Rules/raw/master/wordlists/rockyou.txt.gz
            gzip -d rockyou.txt.gz
            wget https://sourceforge.net/projects/crunch-wordlist/files/latest/download
            tar -xvf download && rm -rf download && cd crunch-3.6/
            make && make install

Outputs:
  WebServerIP:
    Value: !GetAtt MYEC2.PublicIp
  AttackerIP:
    Value: !GetAtt MYEC22.PublicIp