Azure Point-to-site VPN Modified or Deleted

Identifies when a Point-to-site VPN is Modified or Deleted.

Sigma rule (View on GitHub)

 1title: Azure Point-to-site VPN Modified or Deleted
 2id: d9557b75-267b-4b43-922f-a775e2d1f792
 3status: test
 4description: Identifies when a Point-to-site VPN is Modified or Deleted.
 5references:
 6    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
 7author: Austin Songer @austinsonger
 8date: 2021/08/08
 9modified: 2022/08/23
10tags:
11    - attack.impact
12logsource:
13    product: azure
14    service: activitylogs
15detection:
16    selection:
17        operationName:
18            - MICROSOFT.NETWORK/P2SVPNGATEWAYS/WRITE
19            - MICROSOFT.NETWORK/P2SVPNGATEWAYS/DELETE
20            - MICROSOFT.NETWORK/P2SVPNGATEWAYS/RESET/ACTION
21            - MICROSOFT.NETWORK/P2SVPNGATEWAYS/GENERATEVPNPROFILE/ACTION
22            - MICROSOFT.NETWORK/P2SVPNGATEWAYS/DISCONNECTP2SVPNCONNECTIONS/ACTION
23            - MICROSOFT.NETWORK/P2SVPNGATEWAYS/PROVIDERS/MICROSOFT.INSIGHTS/DIAGNOSTICSETTINGS/WRITE
24    condition: selection
25falsepositives:
26    - Point-to-site VPN 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.
27    - Point-to-site VPN modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
28level: medium

References

Related rules

to-top