Terraformer

# if all curl -LO https://github.com/GoogleCloudPlatform/terraformer/releases/download/0.8.24/terraformer-all-linux-amd64
curl -LO https://github.com/GoogleCloudPlatform/terraformer/releases/download/0.8.24/terraformer-azure-linux-amd64
chmod +x terraformer-azure-linux-amd64
sudo cp terraformer-azure-linux-amd64 /usr/local/bin/terraformer
curl -LO https://releases.hashicorp.com/terraform-provider-azurerm/3.99.0/terraform-provider-azurerm_3.99.0_linux_amd64.zip
unzip terraform-provider-azurerm_3.99.0_linux_amd64.zip
cp terraform-provider-azurerm_v3.99.0_x5 /home/jebusk/.terraform.d/plugins/linux_amd64/terraform-provider-azure

init.tf

terraform {
  required_providers {
    azure = {
      source = "hashicorp/azurerm"
    }
  }
  required_version = ">= 0.13"
}

terraform init

terraformer import azure -R testresourcegroup -r virtual_machine,network_security_group,storage_account