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
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