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Azure Application Credential Modification
editAzure Application Credential Modification
editIdentifies when a new credential is added to an application in Azure. An application may use a certificate or secret string to prove its identity when requesting a token. Multiple certificates and secrets can be added for an application and an adversary may abuse this by creating an additional authentication method to evade defenses or persist in an environment.
Rule type: query
Rule indices:
- filebeat-*
- logs-azure*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-25m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- Azure
- Continuous Monitoring
- SecOps
- Identity and Access
Version: 6
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editevent.dataset:azure.auditlogs and azure.auditlogs.operation_name:"Update application - Certificates and secrets management" and event.outcome:(success or Success)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Use Alternate Authentication Material
- ID: T1550
- Reference URL: https://attack.mitre.org/techniques/T1550/
-
Sub-technique:
- Name: Application Access Token
- ID: T1550.001
- Reference URL: https://attack.mitre.org/techniques/T1550/001/