Google Cloud VPN Tunnel Modified or Deleted

Description

Identifies when a VPN Tunnel Modified or Deleted in Google Cloud.

Query · sigma

selection:
  gcp.audit.method_name:
  - compute.vpnTunnels.insert
  - compute.vpnTunnels.delete
condition: selection

Known false positives

  • VPN Tunnel 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.
  • VPN Tunnel modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Raw source Google Cloud VPN Tunnel Modified or Deleted · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Google Cloud VPN Tunnel Modified or Deleted
id: 99980a85-3a61-43d3-ac0f-b68d6b4797b1
status: test
description: Identifies when a VPN Tunnel Modified or Deleted in Google Cloud.
references:
    - https://any-api.com/googleapis_com/compute/docs/vpnTunnels
author: Austin Songer @austinsonger
date: 2021-08-16
modified: 2022-10-09
tags:
    - attack.impact
logsource:
    product: gcp
    service: gcp.audit
detection:
    selection:
        gcp.audit.method_name:
            - compute.vpnTunnels.insert
            - compute.vpnTunnels.delete
    condition: selection
falsepositives:
    - VPN Tunnel 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.
    - VPN Tunnel modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: medium

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