IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Azure Service Principal Credentials Added

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Azure Service Principal Credentials Added

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Identifies when new service principal credentials have been added in Azure. In most organizations, credentials will be added to service principals infrequently. Hijacking an application (by adding a rogue secret or certificate) with granted permissions will allow the attacker to access data that is normally protected by MFA requirements.

Rule type: query

Rule indices:

filebeat-*
logs-azure*

Severity: medium

Risk score: 47

Runs every: 10m

Searches indices from: now-25m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://www.fireeye.com/content/dam/collateral/en/wp-m-unc2452.pdf

Tags:

Elastic
Cloud
Azure
Continuous Monitoring
SecOps
Identity and Access

Version: 2

Rule authors:

Elastic
Austin Songer

Rule license: Elastic License v2

Investigation guide

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## Config

The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

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event.dataset:azure.auditlogs and azure.auditlogs.operation_name:"Add service principal credentials" and event.outcome:(success or Success)

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
Technique:
- Name: Resource Hijacking
- ID: T1496
- Reference URL: https://attack.mitre.org/techniques/T1496/

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