use the gcloud utilities to enumerate as much access as possible from a GCP service account json file. see blog post: <to insert>

gcp_enum.sh

# gcloud auth activate-service-account --key-file=85.json
# gcloud projects list

project="my-project"
space=""

echo "gcloud auth list"
gcloud auth list
echo -e "$space"

echo "[+] Enumerate project info [+]"

echo "gcloud projects list"
gcloud projects list
echo -e "$space"

echo "gcloud config list"
gcloud config list
echo -e "$space"

echo "gcloud projects get-iam-policy $project"
gcloud projects get-iam-policy $project
echo -e "$space"

echo "[+] List services accounts for the project [+]"
echo "gcloud iam service-accounts list --project=$project"
gcloud iam service-accounts list --project=$project
echo -e "$space"

echo "[+] List services for the project [+]"
echo "gcloud services list --project=$project"
gcloud services list --project=$project
echo -e "$space"


echo "[+] App access [+]"
echo "gcloud app instances list --project=$project"
gcloud app instances list --project=$project
echo -e "$space"

echo "gcloud app services list --project=$project"
gcloud app services list --project=$project
echo -e "$space"

echo "gcloud app domain-mappings list --project=$project"
gcloud app domain-mappings list --project=$project
echo -e "$space"

echo "gcloud app firewall-rules list --project=$project"
gcloud app firewall-rules list --project=$project
echo -e "$space"

echo "gcloud app operations list --project=$project"
gcloud app operations list --project=$project
echo -e "$space"


echo "[+] Bigquery access [+]"
echo "bq ls --format=prettyjson --project_id $project"
bq ls --format=prettyjson --project_id $project
echo -e "$space"


echo "[+] Bigtable access [+]"
echo "gcloud bigtable clusters list --project=$project"
gcloud bigtable clusters list --project=$project
echo -e "$space"

echo "gcloud bigtable instances list --project=$project"
gcloud bigtable instances list --project=$project
echo -e "$space"


echo "[+] Builds access [+]"
echo "gcloud builds list --project=$project"
gcloud builds list --project=$project
echo -e "$space"


echo "[+] Compute access [+]"
echo "gcloud compute instances list --filter=RUNNING --project=$project"
gcloud compute instances list --filter=RUNNING --project=$project
echo -e "$space"

echo "gcloud compute images list --project=$project"
gcloud compute images list --project=$project
echo -e "$space"

echo "gcloud compute firewall-rules list --project=$project"
gcloud compute firewall-rules list --project=$project
echo -e "$space"


echo "[+] Container access [+]"
echo "gcloud container images list --project=$project"
gcloud container images list --project=$project
echo -e "$space"

echo "gcloud container clusters list  --project=$project"
gcloud container clusters list --project=$project
echo -e "$space"


echo "[+] Dataflow access [+]"
echo "gcloud dataflow jobs list --project=$project"
gcloud dataflow jobs list --project=$project
echo -e "$space"


echo "[+] Dataproc access [+]"
echo "gcloud dataproc clusters list --project=$project"
gcloud dataproc clusters list --project=$project
echo -e "$space"

echo "gcloud dataproc jobs list  --project=$project"
gcloud dataproc jobs list --project=$project
echo -e "$space"


echo "[+] Datastore access [+]"
echo "gcloud datastore indexes list  --project=$project"
gcloud datastore indexes list --project=$project
echo -e "$space"


echo "[+] Debug access [+]"
echo "gcloud debug targets list --project=$project"
gcloud debug targets list --project=$project
echo -e "$space"

echo "gcloud debug snapshots list  --project=$project"
gcloud debug snapshots list --project=$project
echo -e "$space"


echo "[+] Deployment-Manager access [+]"
echo "gcloud deployment-manager deployments list --project=$project"
gcloud deployment-manager deployments list --project=$project
echo -e "$space"


echo "[+] DNS access [+]"
echo "gcloud dns managed-zones list --project=$project"
gcloud dns managed-zones list --project=$project
echo -e "$space"

echo "gcloud dns project-info describe $project"
gcloud dns project-info describe $project
echo -e "$space"


echo "[+] Domains access [+]"
echo "gcloud domains list-user-verified --project=$project"
gcloud domains list-user-verified --project=$project
echo -e "$space"


echo "[+] Endpoints access [+]"
echo "gcloud endpoints services list --project=$project"
gcloud endpoints services list --project=$project
echo -e "$space"


echo "[+] Functions access [+]"
echo "gcloud functions list --project=$project"
gcloud functions list --project=$project
echo -e "$space"


echo "[+] IOT access [+]"
echo "gcloud iot registries list --project=$project --region=us-central1"
gcloud iot registries list --project=$project --region=us-central1
echo "gcloud iot registries list --project=$project --region=europe-west1"
gcloud iot registries list --project=$project --region=europe-west1
echo "gcloud iot registries list --project=$project --region=asia-east1"
gcloud iot registries list --project=$project --region=asia-east1
echo -e "$space"


echo "[+] KMS access [+]"
echo "gcloud kms keyrings list --project=$project --location=global"
gcloud kms keyrings list --project=$project --location=global
echo "gcloud kms keyrings list --project=$project --location=us"
gcloud kms keyrings list --project=$project --location=us
echo -e "$space"


echo "[+] Logging access [+]"
echo "gcloud logging logs list --project=$project"
gcloud logging logs list --project=$project
echo -e "$space"


echo "[+] ML access [+]"
echo "gcloud ml-engine jobs list --project=$project"
gcloud ml-engine jobs list --limit=100 --project=$project 
echo -e "$space"


echo "[+] Organizations access [+]"
echo "gcloud organizations list --project=$project"
gcloud organizations list --project=$project
echo -e "$space"


echo "[+] PubSub access [+]"
echo "gcloud pubsub subscriptions list --project=$project"
gcloud pubsub subscriptions list --project=$project
echo "gcloud pubsub topics list --project=$project"
gcloud pubsub topics list --project=$project
echo -e "$space"


echo "[+] Redis access [+]"
echo "gcloud redis instances list  --region=asia-east1 --project=$project"
gcloud redis instances list  --region=asia-east1 --project=$project
echo "gcloud redis instances list  --region=asia-northeast1 --project=$project"
gcloud redis instances list  --region=asia-northeast1 --project=$project
echo "cloud redis instances list  --region=asia-southeast1 --project=$project"
gcloud redis instances list  --region=asia-southeast1 --project=$project
echo "gcloud redis instances list  --region=australia-southeast1 --project=$project"
gcloud redis instances list  --region=australia-southeast1 --project=$project
echo "gcloud redis instances list  --region=europe-north1 --project=$project"
gcloud redis instances list  --region=europe-north1 --project=$project
echo "gcloud redis instances list  --region=europe-west1 --project=$project"
gcloud redis instances list  --region=europe-west1 --project=$project
echo "gcloud redis instances list  --region=europe-west2 --project=$project"
gcloud redis instances list  --region=europe-west2 --project=$project
echo "gcloud redis instances list  --region=europe-west3 --project=$project"
gcloud redis instances list  --region=europe-west3 --project=$project
echo "gcloud redis instances list  --region=europe-west4 --project=$project"
gcloud redis instances list  --region=europe-west4 --project=$project
echo "gcloud redis instances list  --region=us-central1 --project=$project"
gcloud redis instances list  --region=us-central1 --project=$project
echo "gcloud redis instances list  --region=us-east1 --project=$project"
gcloud redis instances list  --region=us-east1 --project=$project
echo "gcloud redis instances list  --region=us-east4 --project=$project"
gcloud redis instances list  --region=us-east4 --project=$project
echo "gcloud redis instances list  --region=us-west1 --project=$project"
gcloud redis instances list  --region=us-west1 --project=$project
echo "gcloud redis instances list  --region=us-west2 --project=$project"
gcloud redis instances list  --region=us-west2 --project=$project
echo -e "$space"


echo "[+] Source access [+]"
echo "gcloud source repos list --project=$project"
gcloud source repos list --project=$project
echo -e "$space"

echo "[+] Spanner access [+]"
echo "gcloud spanner instances list --project=$project"
gcloud spanner instances list --project=$project
echo -e "$space"

echo "[+] SQL access [+]"
echo "gcloud sql instances  list --project=$project"
gcloud sql instances  list --project=$project
echo -e "$space"

echo "[+] Storage access [+]"
echo "gsutil ls -p $project"
gsutil ls -p $project
echo -e "$space"