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Adversaries may attempt to find cloud groups and permission settings.
Passed 18 of 25 test cases with the skill, and 11 of 25 without it.
and 6 more in the full report
8 fixed10 passed either way6 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
During an audit of cloud storage permissions, we want to know how adversaries discover object ownership and access permissions in AWS S3 buckets. What API call is used to list S3 object access control lists, and what primary CWE category applies?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies GetBucketAcl as the AWS S3 API call | Missed | Passed |
| Specifies CWE-200 as the associated CWE category | Missed | Passed |
The instructions your model reads when the skill loads.
Sub-technique of: T1069
Adversaries may attempt to find cloud groups and permission settings. The knowledge of cloud permission groups can help adversaries determine the particular roles of users and groups within an environment, as well as which users are associated with a particular group.
With authenticated access there are several tools that can be used to find permissions groups. The Get-MsolRole PowerShell cmdlet can be used to obtain roles and permissions groups for Exchange and Office 365 accounts .
Azure CLI (AZ CLI) and the Google Cloud Identity Provider API also provide interfaces to obtain permissions groups. The command az ad user get-member-groups will list groups associated to a user account for Azure while the API endpoint GET https://cloudidentity.googleapis.com/v1/groups lists group resources available to a user for Google. In AWS, the commands ListRolePolicies and ListAttachedRolePolicies allow users to enumerate the policies attached to a role.
Adversaries may attempt to list ACLs for objects to determine the owner and other accounts with access to the object, for example, via the AWS GetBucketAcl API . Using this information an adversary can target accounts with permissions to a given object or leverage accounts they have already compromised to access the object.
Platforms: SaaS, IaaS, Office Suite, Identity Provider
Identify Attack Surface: Determine if the target environment is susceptible to Cloud Groups by examining the target platforms (SaaS, IaaS, Office Suite).
Assess Existing Defenses: Review whether mitigations for T1069.003 are in place. If defenses are absent or misconfigured, this technique may be exploitable.
Execute Test: Use tools and methods described in the MITRE ATT&CK page and external references below.
Note: No Atomic Red Team tests available for this technique. See Atomic Red Team GitHub for updates.
test cases passed, vs 11 / 25 without
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