rules/cloud/azure/azure_app_credential_modification.yml

title: Azure Application Credential Modified
id: cdeef967-f9a1-4375-90ee-6978c5f23974
description: Identifies when a application credential is modified.
author: Austin Songer @austinsonger
status: experimental
date: 2021/09/02
references:
    - https://www.cloud-architekt.net/auditing-of-msi-and-service-principals/
logsource:
  product: azure
  service: activitylogs
detection:
    selection:
        properties.message: 'Update application - Certificates and secrets management'
    condition: selection
level: medium
tags:
    - attack.impact
falsepositives:
 - Application credential added may be performed by a system administrator. 
 - Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. 
 - Application credential added from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Create azure_app_credential_modification.yml 2021-09-02 20:53:32 -05:00			`title: Azure Application Credential Modified`
			`id: cdeef967-f9a1-4375-90ee-6978c5f23974`
			`description: Identifies when a application credential is modified.`
Update azure_app_credential_modification.yml 2021-09-02 21:00:21 -05:00			`author: Austin Songer @austinsonger`
Create azure_app_credential_modification.yml 2021-09-02 20:53:32 -05:00			`status: experimental`
			`date: 2021/09/02`
			`references:`
			`- https://www.cloud-architekt.net/auditing-of-msi-and-service-principals/`
			`logsource:`
$frack113$ Add azure product 2021-11-14 10:50:16 +01:00			`product: azure`
refactor: first bigger log source refactoring 2022-03-22 17:58:29 +01:00			`service: activitylogs`
Create azure_app_credential_modification.yml 2021-09-02 20:53:32 -05:00			`detection:`
			`selection:`
$frack113$ Change double quote to quote 2022-01-06 14:02:35 +01:00			`properties.message: 'Update application - Certificates and secrets management'`
Create azure_app_credential_modification.yml 2021-09-02 20:53:32 -05:00			`condition: selection`
			`level: medium`
			`tags:`
			`- attack.impact`
			`falsepositives:`
			`- Application credential added may be performed by a system administrator.`
			`- Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.`
			`- Application credential added from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.`