mirror of
https://github.com/mgeeky/Penetration-Testing-Tools.git
synced 2024-12-23 09:29:46 +01:00
282 lines
10 KiB
Bash
282 lines
10 KiB
Bash
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#!/bin/bash
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AWS_REGION=us-east-1
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EC2_NAME=pentestec2
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EC2_KEY_NAME=ec2-pentest-key
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EC2_SECURITY_GROUP_NAME=ec2-pentest-usage
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MANAGEMENT_SCRIPT=ec2-utils.sh
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install_prerequisities() {
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if [[ ! -z "$(which ruby)" ]] && [[ ! -z "$(which gem)" ]] && [[ ! -z "$(which bundle)" ]]; then
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echo "[.] Prerequisities already installed."
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return
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fi
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sudo=sudo
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if [ $EUID -eq 0 ] || [[ ! -z "$(which sudo)" ]]; then
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sudo=
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fi
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if [[ ! -z "$(which dnf)" ]]; then
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$sudo dnf update
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$sudo dnf install -y ssh cron ruby rubygems awscli jq
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elif [[ ! -z "$(which apt-get)" ]]; then
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$sudo apt-get update
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$sudo apt-get install -y ssh cron ruby rubygems awscli jq
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elif [[ ! -z "$(which yum)" ]]; then
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$sudo yum update
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$sudo yum install -y ssh cron ruby rubygems awscli jq
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else
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echo "[!] Please install following packages: ssh, cron, ruby, rubygems, awscli, jq yourself first."
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exit 1
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fi
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gem install bundler
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bundle install
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aw=$(which aws)
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if [ -z "$aw" ]; then
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echo "[!] Something went wrong. There is no 'aws' after installing 'awscli'."
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exit 1
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fi
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}
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configure_credentials() {
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if [ -e ~/.aws/credentials ]; then
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con=$(cat ~/.aws/credentials)
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if echo $con | grep -q AKIA; then
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echo "[.] AWS CLI already configured."
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return
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fi
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fi
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if [ ! -d "~/.aws" ]; then
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mkdir -p ~/.aws
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fi
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access_key=
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secret_key=
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read -p 'AWS Access Key (AKIA...): ' access_key
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read -s -p "AWS Secret Access Key: " secret_key
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if [ "$secret_key" == "" ] || [ "$access_key" == "" ]; then
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echo "[!] You must specify both access key and secret key."
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exit 1
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fi
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touch ~/.aws/config
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touch ~/.aws/credentials
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cat <<EOT > ~/.aws/config
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[default]
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region = $AWS_REGION
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output = json
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EOT
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cat <<EOT > ~/.aws/credentials
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[default]
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aws_access_key_id = $access_key
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aws_secret_access_key = $secret_key
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EOT
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}
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create_security_group() {
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groupId=$(aws ec2 create-security-group --group-name $EC2_SECURITY_GROUP_NAME --description "Security Group with allow any any for inbound and outbound." 2>&1 )
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if echo $groupId | grep -q "InvalidGroup.Duplicate"; then
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echo "[.] Security Group already exists."
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return
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elif echo $groupId | grep -q "An error occurred" ; then
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echo "[!] Failed: $groupId"
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exit 1
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fi
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groupId=$(echo $groupId | jq -r .GroupId)
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echo "[>] Security Group ID: $groupId"
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aws ec2 authorize-security-group-ingress --group-id $groupId --ip-permissions IpProtocol=tcp,FromPort=0,ToPort=65535,IpRanges='[{CidrIp=0.0.0.0/0,Description="allow any any"}]'
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aws ec2 authorize-security-group-ingress --group-id $groupId --ip-permissions IpProtocol=udp,FromPort=0,ToPort=65535,IpRanges='[{CidrIp=0.0.0.0/0,Description="allow any any"}]'
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aws ec2 authorize-security-group-egress --group-id $groupId --ip-permissions IpProtocol=tcp,FromPort=0,ToPort=65535,IpRanges='[{CidrIp=0.0.0.0/0,Description="allow any any"}]'
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aws ec2 authorize-security-group-egress --group-id $groupId --ip-permissions IpProtocol=udp,FromPort=0,ToPort=65535,IpRanges='[{CidrIp=0.0.0.0/0,Description="allow any any"}]'
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echo "[>] Created inbound/outbound allow any any rules"
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}
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delete_key_pair_and_instances() {
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echo "[.] Deleting key pair..."
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out=$(aws ec2 delete-key-pair --key-name $EC2_KEY_NAME 2>&1 )
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if echo $out | grep -q "An error occurred" ; then
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echo "[!] Deleting key pair failed: $out"
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exit 1
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fi
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echo "[.] Terminating related EC2 instances..."
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out=$(aws ec2 terminate-instances --instance-ids $(aws ec2 describe-instances --query 'Reservations[].Instances[].InstanceId' --filters "Name=key-name,Values=$EC2_KEY_NAME" --output text) 2>&1 )
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if echo $out | grep -q "An error occurred" ; then
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echo "[!] Terminating instances failed: $out"
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exit 1
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fi
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}
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create_ec2_key_pair() {
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keymaterial=
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out=$(aws ec2 describe-key-pairs --key-name $EC2_KEY_NAME 2>&1 )
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if echo $out | jq -r .KeyPairs[0].KeyName | grep -q $EC2_KEY_NAME ; then
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echo "[.] Key pair already created in your AWS account."
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filefinger=
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if [ -f "~/.aws/$EC2_KEY_NAME.pem" ] ; then
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filefinger=$(openssl pkcs8 -in ~/.aws/$EC2_KEY_NAME.pem -inform PEM -outform DER -topk8 -nocrypt | openssl sha1 -c | cut -d= -f2 | tr -d ' ')
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fi
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awsfinger=$(echo $out | jq -r .KeyPairs[0].KeyFingerprint)
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if [ ! -e ~/.aws/$EC2_KEY_NAME.pem ]; then
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echo
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echo "[!] ERROR: It looks like you don't have ~/.aws/$EC2_KEY_NAME.pem file with your EC2 Key-Pair"
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echo "[!] This means you do have the key pair on your AWS account but not physically in a file."
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echo "[!] In such case you will be unable to SSH into previously created EC2 instances without it, so "
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echo "[!] you are left with creating a new key pair and then terminating existing EC2 instances."
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echo
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read -p "Do you want to remove your $EC2_NAME EC2 instance and recreate key pairs? [y/N] " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]
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then
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delete_key_pair_and_instances
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else
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echo "[-] Unable to continue. You must sort this out yourself."
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return
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fi
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elif [ "$filefinger" != "" ] && [ "$awsfinger" != "" ] && [ "$filefinger" != "$awsfinger" ]; then
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echo
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echo "[!] ERROR: It looks like your EC2 Key Pair located at ~/.aws/$EC2_KEY_NAME.pem"
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echo "[!] has differrent fingerprint than the Key Pair on your AWS account."
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echo "[!] In such case you will be unable to SSH into previously created EC2 instances using it, so "
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echo "[!] you are left with creating a new key pair and then terminating existing EC2 instances."
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echo
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echo "Your locally stored PEM fingerprint: $filefinger"
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echo "Your on AWS stored PEM fingerprint: $awsfinger"
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echo
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read -p "Do you want to remove your $EC2_NAME EC2 instance and recreate key pairs? [y/N] " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]
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then
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delete_key_pair_and_instances
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else
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echo "[-] Unable to continue. You must sort this out yourself."
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return
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fi
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else
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echo "[+] EC2 Key pair already created. PEM stored at: ~/.aws/$EC2_KEY_NAME.pem"
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return
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fi
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fi
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keymaterial=$(aws ec2 create-key-pair --key-name $EC2_KEY_NAME 2>&1 )
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if echo $keymaterial | grep -q "An error occurred" ; then
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echo "[!] Creating key pair failed: $keymaterial"
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exit 1
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fi
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touch ~/.aws/$EC2_KEY_NAME.pem
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echo $keymaterial | jq -r .KeyMaterial > ~/.aws/$EC2_KEY_NAME.pem
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chmod 400 ~/.aws/$EC2_KEY_NAME.pem
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echo "[+] EC2 Key pair created. PEM stored at: ~/.aws/$EC2_KEY_NAME.pem"
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}
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integrate_with_bashrc() {
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if cat ~/.bashrc | grep -q $MANAGEMENT_SCRIPT ; then
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echo "[.] Script is already integrated."
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return
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elif cat ~/.bashrc | grep -q "Adding aliases for EC2 single-instance management" ; then
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echo "[.] Script is already integrated."
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return
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fi
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sed -i -e "s@ruby ./aws-manager.rb@ruby $PWD/aws-manager.rb@" ./$MANAGEMENT_SCRIPT
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source $PWD/$MANAGEMENT_SCRIPT
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cat <<EOT >> ~/.bashrc
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# Adding aliases for EC2 single-instance management.
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source $PWD/$MANAGEMENT_SCRIPT
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EOT
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}
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add_cron_job() {
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crontab -l > /tmp/.cr 2> /dev/null
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cp /tmp/.cr /tmp/.cr.bak
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if cat /tmp/.cr | grep -q "aws-manager.rb notify "; then
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echo "[.] Crontab job already scheduled."
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return
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fi
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cmd="$(which ruby) $PWD/aws-manager.rb notify $EC2_NAME"
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job=" * */2 * * * $USER $cmd"
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echo -e "[*] Adding following line to crontab:\n\n\t\t$job\n"
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echo $job >> /tmp/.cr
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crontab /tmp/.cr
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if [ $? -ne 0 ]; then
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echo "[!] Updating crontab failed. Restoring original one (you can find it at: /tmp/.cr.bak) "
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crontab /tmp/.cr.bak
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fi
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rm /tmp/.cr
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#rm /tmp/.cr.bak
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}
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echo
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echo "----------------------------------------------"
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echo
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echo ":: AWS EC2 single-instance management utilities installation script."
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echo
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echo "This script is going to:"
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echo -e "\t- Update your repos & install packages such as: ssh, cron, jq, ruby, rubygems, awscli, gem bundler, gem 'aws-sdk-ec2'"
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echo -e "\t- Configure your AWS credentials"
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echo -e "\t- Create AWS security groups, EC2 key pairs"
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echo -e "\t- Integrate EC2 management aliases into the end of your .bashrc"
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echo -e "\t- Add a cron job that will notify you every two hours if your EC2 machine is up and running"
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echo
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echo "----------------------------------------------"
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echo
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read -p "Would you like to proceed? [Y/n] " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]
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then
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echo -e "\n[.] Step 1: Installing prerequisities first."
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install_prerequisities
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echo -e "\n[.] Step 2: Configuring credentials."
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configure_credentials
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echo -e "\n\n[.] Step 3: Creating Security Group."
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create_security_group
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echo -e "\n[.] Step 4: Creating EC2 Key Pairs."
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create_ec2_key_pair
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echo -e "\n[.] Step 5: Integrating scripts with your .bashrc"
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integrate_with_bashrc
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echo -e "\n[.] Step 6: Adding notification cron job"
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add_cron_job
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echo -e "\n[+] Ready to roll."
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echo
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echo "----------------------------------------------"
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echo
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echo -e "You can now try out our shiny new bash aliases:"
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echo -e "\t- check$EC2_NAME - To check an instance status"
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echo -e "\t- get$EC2_NAME - To get the instance IPv4 address."
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echo -e "\t- start$EC2_NAME - To start the instance."
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echo -e "\t- stop$EC2_NAME - To stop the instance."
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echo -e "\t- terminate$EC2_NAME - To terminate the instance."
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echo -e "\t- ssh$EC2_NAME - To ssh into that instance"
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echo
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echo "Go ahead, check them out. Start with creating EC2 first using 'start$EC2_NAME'"
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bash
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fi
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