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75
scripts/PSRoleJuggle.ps1
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75
scripts/PSRoleJuggle.ps1
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# PowerShell script to check for role juggling possibilities using AWS CLI
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# Check for AWS CLI installation
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if (-not (Get-Command "aws" -ErrorAction SilentlyContinue)) {
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Write-Error "AWS CLI is not installed. Please install it and configure it with 'aws configure'."
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exit
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}
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# Function to list IAM roles
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function List-IAMRoles {
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aws iam list-roles --query "Roles[*].{RoleName:RoleName, Arn:Arn}" --output json
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}
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# Initialize error count
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$errorCount = 0
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# List all roles
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$roles = List-IAMRoles | ConvertFrom-Json
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# Attempt to assume each role
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foreach ($role in $roles) {
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$sessionName = "RoleJugglingTest-" + (Get-Date -Format FileDateTime)
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try {
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$credentials = aws sts assume-role --role-arn $role.Arn --role-session-name $sessionName --query "Credentials" --output json 2>$null | ConvertFrom-Json
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if ($credentials) {
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Write-Host "Successfully assumed role: $($role.RoleName)"
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Write-Host "Access Key: $($credentials.AccessKeyId)"
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Write-Host "Secret Access Key: $($credentials.SecretAccessKey)"
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Write-Host "Session Token: $($credentials.SessionToken)"
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Write-Host "Expiration: $($credentials.Expiration)"
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# Set temporary credentials to assume the next role
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$env:AWS_ACCESS_KEY_ID = $credentials.AccessKeyId
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$env:AWS_SECRET_ACCESS_KEY = $credentials.SecretAccessKey
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$env:AWS_SESSION_TOKEN = $credentials.SessionToken
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# Try to assume another role using the temporary credentials
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foreach ($nextRole in $roles) {
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if ($nextRole.Arn -ne $role.Arn) {
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$nextSessionName = "RoleJugglingTest-" + (Get-Date -Format FileDateTime)
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try {
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$nextCredentials = aws sts assume-role --role-arn $nextRole.Arn --role-session-name $nextSessionName --query "Credentials" --output json 2>$null | ConvertFrom-Json
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if ($nextCredentials) {
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Write-Host "Also successfully assumed role: $($nextRole.RoleName) from $($role.RoleName)"
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Write-Host "Access Key: $($nextCredentials.AccessKeyId)"
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Write-Host "Secret Access Key: $($nextCredentials.SecretAccessKey)"
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Write-Host "Session Token: $($nextCredentials.SessionToken)"
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Write-Host "Expiration: $($nextCredentials.Expiration)"
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}
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} catch {
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$errorCount++
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}
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}
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}
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# Reset environment variables
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Remove-Item Env:\AWS_ACCESS_KEY_ID
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Remove-Item Env:\AWS_SECRET_ACCESS_KEY
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Remove-Item Env:\AWS_SESSION_TOKEN
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} else {
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$errorCount++
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}
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} catch {
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$errorCount++
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}
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}
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# Output the number of errors if any
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if ($errorCount -gt 0) {
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Write-Host "$errorCount error(s) occurred during role assumption attempts."
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} else {
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Write-Host "No errors occurred. All roles checked successfully."
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}
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Write-Host "Role juggling check complete."
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