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blue-team-tools/rules/cloud/azure/azure_federation_modified.yml
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2022-06-08 18:54:03 +02:00

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YAML

title: Azure Domain Federation Settings Modified
id: 352a54e1-74ba-4929-9d47-8193d67aba1e
description: Identifies when an user or application modified the federation settings on the domain.
author: Austin Songer
status: experimental
date: 2021/09/06
modified: 2022/06/08
references:
- https://attack.mitre.org/techniques/T1078
- https://docs.microsoft.com/en-us/azure/active-directory/hybrid/how-to-connect-monitor-federation-changes
logsource:
product: azure
service: auditlogs
detection:
selection:
ActivityDisplayName: Set federation settings on domain
condition: selection
level: medium
tags:
- attack.initial_access
- attack.t1078
falsepositives:
- Federation Settings being modified or deleted may be performed by a system administrator.
- Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
- Federation Settings modified from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.