mirror of
https://github.com/ghndrx/prowler.git
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100 lines
3.9 KiB
Bash
100 lines
3.9 KiB
Bash
#!/bin/bash -e
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#
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# Run Prowler against All AWS Accounts in an AWS Organization
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# Change Directory (rest of the script, assumes your in the ec2-user home directory)
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cd /home/ec2-user || exit
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# Show Prowler Version, and Download Prowler, if it doesn't already exist
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if ! ./prowler/prowler -V 2>/dev/null; then
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git clone https://github.com/toniblyx/prowler.git
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./prowler/prowler -V
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fi
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# Source .awsvariables (to read in Environment Variables from CloudFormation Data)
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# shellcheck disable=SC1091
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source .awsvariables
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# Get Values from Environment Variables Created on EC2 Instance from CloudFormation Data
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echo "S3: $S3"
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echo "S3ACCOUNT: $S3ACCOUNT"
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echo "ROLE: $ROLE"
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# Create Folder to Store Prowler Reports
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mkdir -p prowler-reports
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# CleanUp Last Ran Prowler Reports, as they are already stored in S3.
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rm -rf prowler-reports/*.html
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# Function to unset AWS Profile Variables
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unset_aws() {
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unset AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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}
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unset_aws
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# Find THIS Account AWS Number
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CALLER_ARN=$(aws sts get-caller-identity --output text --query "Arn")
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PARTITION=$(echo "$CALLER_ARN" | cut -d: -f2)
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THISACCOUNT=$(echo "$CALLER_ARN" | cut -d: -f5)
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echo "THISACCOUNT: $THISACCOUNT"
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echo "PARTITION: $PARTITION"
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# Function to Assume Role to THIS Account & Create Session
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this_account_session() {
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unset_aws
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role_credentials=$(aws sts assume-role --role-arn arn:"$PARTITION":iam::"$THISACCOUNT":role/"$ROLE" --role-session-name ProwlerRun --output json)
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AWS_ACCESS_KEY_ID=$(echo "$role_credentials" | jq -r .Credentials.AccessKeyId)
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AWS_SECRET_ACCESS_KEY=$(echo "$role_credentials" | jq -r .Credentials.SecretAccessKey)
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AWS_SESSION_TOKEN=$(echo "$role_credentials" | jq -r .Credentials.SessionToken)
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export AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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}
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# Find AWS Master Account
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this_account_session
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AWSMASTER=$(aws organizations describe-organization --query Organization.MasterAccountId --output text)
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echo "AWSMASTER: $AWSMASTER"
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# Function to Assume Role to Master Account & Create Session
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master_account_session() {
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unset_aws
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role_credentials=$(aws sts assume-role --role-arn arn:"$PARTITION":iam::"$AWSMASTER":role/"$ROLE" --role-session-name ProwlerRun --output json)
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AWS_ACCESS_KEY_ID=$(echo "$role_credentials" | jq -r .Credentials.AccessKeyId)
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AWS_SECRET_ACCESS_KEY=$(echo "$role_credentials" | jq -r .Credentials.SecretAccessKey)
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AWS_SESSION_TOKEN=$(echo "$role_credentials" | jq -r .Credentials.SessionToken)
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export AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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}
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# Lookup All Accounts in AWS Organization
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master_account_session
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ACCOUNTS_IN_ORGS=$(aws organizations list-accounts --query Accounts[*].Id --output text)
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# Function to Assume Role to S3 Account & Create Session
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s3_account_session() {
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unset_aws
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role_credentials=$(aws sts assume-role --role-arn arn:"$PARTITION":iam::"$S3ACCOUNT":role/"$ROLE" --role-session-name ProwlerRun --output json)
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AWS_ACCESS_KEY_ID=$(echo "$role_credentials" | jq -r .Credentials.AccessKeyId)
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AWS_SECRET_ACCESS_KEY=$(echo "$role_credentials" | jq -r .Credentials.SecretAccessKey)
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AWS_SESSION_TOKEN=$(echo "$role_credentials" | jq -r .Credentials.SessionToken)
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export AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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}
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# Run Prowler against Accounts in AWS Organization
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echo "AWS Accounts in Organization"
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echo "$ACCOUNTS_IN_ORGS"
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for accountId in $ACCOUNTS_IN_ORGS; do
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# Unset AWS Profile Variables
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unset_aws
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# Run Prowler
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Report="prowler-reports/$(date +'%Y-%m-%d-%H%M%P')-$accountId-report.html"
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echo -e "Analyzing AWS Account: $accountId, using Role: $ROLE"
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./prowler/prowler -R "$ROLE" -A "$accountId" -g cislevel1 | ansi2html -la >"$Report"
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echo "Report stored locally at: $Report"
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# Upload Prowler Report to S3
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s3_account_session
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aws s3 cp "$Report" "$S3/reports/"
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echo ""
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done
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# Unset AWS Profile Variables
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unset_aws
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