Cервис управления информационной безопасностью
Cервис управления информационной безопасностью
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MITRE ATT&CK - Technique Cloud Groups
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MITRE ATT&CK
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Cloud Groups
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SECURITM это SGRC система, ? автоматизирующая процессы в службах информационной безопасности. SECURITM помогает построить и управлять ИСПДн, КИИ, ГИС, СМИБ/СУИБ, банковскими системами защиты.
А еще SECURITM это место для обмена опытом и наработками для служб безопасности.
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Permission Groups Discovery:  Cloud Groups

ID Name
.001 Local Groups
.002 Domain Groups
.003 Cloud Groups

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 (Citation: Microsoft Msolrole)(Citation: GitHub Raindance). 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.(Citation: Microsoft AZ CLI)(Citation: Black Hills Red Teaming MS AD Azure, 2018)(Citation: Google Cloud Identity API Documentation) In AWS, the commands `ListRolePolicies` and `ListAttachedRolePolicies` allow users to enumerate the policies attached to a role.(Citation: Palo Alto Unit 42 Compromised Cloud Compute Credentials 2022) 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 (Citation: AWS Get Bucket ACL). 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.

ID: T1069.003
Sub-technique of:  T1069
Tactic(s): Discovery
Platforms: IaaS, Identity Provider, Office Suite, SaaS
Data Sources: Application Log: Application Log Content, Command: Command Execution, Group: Group Enumeration, Group: Group Metadata, Process: Process Creation
Version: 1.5
Created: 21 Feb 2020
Last Modified: 15 Apr 2025

Procedure Examples
Name Description
Pacu

Pacu can enumerate IAM permissions.(Citation: GitHub Pacu)
AADInternals

AADInternals can enumerate Azure AD groups.(Citation: AADInternals Documentation)
ROADTools

ROADTools can enumerate Azure AD groups.(Citation: Roadtools)

Detection

System and network discovery techniques normally occur throughout an operation as an adversary learns the environment. Data and events should not be viewed in isolation, but as part of a chain of behavior that could lead to other activities, such as Lateral Movement, based on the information obtained. Monitor processes and command-line arguments for actions that could be taken to gather system and network information. Activity and account logs for the cloud services can also be monitored for suspicious commands that are anomalous compared to a baseline of normal activity.

References

  1. Parisi, T. (2022, December 2). Not a SIMulation: CrowdStrike Investigations Reveal Intrusion Campaign Targeting Telco and BPO Companies. Retrieved June 30, 2023.
  2. Microsoft. (n.d.). Get-MsolRole. Retrieved October 6, 2019.
  3. Microsoft. (n.d.). az ad user. Retrieved October 6, 2019.
  4. Dirk-jan Mollema. (2020, April 16). Introducing ROADtools - The Azure AD exploration framework. Retrieved January 31, 2022.
  5. Dror Alon. (2022, December 8). Compromised Cloud Compute Credentials: Case Studies From the Wild. Retrieved March 9, 2023.
  6. Felch, M.. (2018, August 31). Red Teaming Microsoft Part 1 Active Directory Leaks via Azure. Retrieved October 6, 2019.
  7. Amazon Web Services. (n.d.). Retrieved May 28, 2021.
  8. Stringer, M.. (2018, November 21). RainDance. Retrieved October 6, 2019.
  9. Dr. Nestori Syynimaa. (2018, October 25). AADInternals. Retrieved February 18, 2022.
  10. Rhino Security Labs. (2019, August 22). Pacu. Retrieved October 17, 2019.
  11. Google. (n.d.). Retrieved March 16, 2021.
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