DET-01: s3:PutObject to state bucket by a non-enclave principal¶
A write to the bootstrap state from a principal other than the enclave host's role. Needs a trail that logs S3 data events.
| Property | Value |
|---|---|
| Severity | high |
| Platform | AWS Nitro Enclaves |
| Group | cloud |
| Log source | CloudTrail · S3 data events |
| Related check | BOOTSTRAP-02: S3 bucket write scope |
Fires when¶
eventName == "PutObject" AND bucket matches state prefix AND principal NOT IN [enclave-instance-role]
How it runs¶
untrust detect --platform nitro reads CloudTrail in the region you pass with --region, over the last --since minutes (default 60).
A match is a detection event with this rule's ID. Upload it to the console to alert on it; see Runtime detections.