Google Full Network Traffic Packet Capture

Description

Identifies potential full network packet capture in gcp. This feature can potentially be abused to read sensitive data from unencrypted internal traffic.

Query · sigma

selection:
  gcp.audit.method_name:
  - v*.Compute.PacketMirrorings.Get
  - v*.Compute.PacketMirrorings.Delete
  - v*.Compute.PacketMirrorings.Insert
  - v*.Compute.PacketMirrorings.Patch
  - v*.Compute.PacketMirrorings.List
  - v*.Compute.PacketMirrorings.aggregatedList
condition: selection

Known false positives

  • Full Network Packet Capture may be done by a system or network administrator.
  • If known behavior is causing false positives, it can be exempted from the rule.
Raw source Google Full Network Traffic Packet Capture · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Google Full Network Traffic Packet Capture
id: 980a7598-1e7f-4962-9372-2d754c930d0e
status: test
description: Identifies potential full network packet capture in gcp. This feature can potentially be abused to read sensitive data from unencrypted internal traffic.
references:
    - https://cloud.google.com/kubernetes-engine/docs/how-to/audit-logging
    - https://developers.google.com/resources/api-libraries/documentation/compute/v1/java/latest/com/google/api/services/compute/Compute.PacketMirrorings.html
author: Austin Songer @austinsonger
date: 2021-08-13
modified: 2022-10-09
tags:
    - attack.collection
    - attack.t1074
logsource:
    product: gcp
    service: gcp.audit
detection:
    selection:
        gcp.audit.method_name:
            - v*.Compute.PacketMirrorings.Get
            - v*.Compute.PacketMirrorings.Delete
            - v*.Compute.PacketMirrorings.Insert
            - v*.Compute.PacketMirrorings.Patch
            - v*.Compute.PacketMirrorings.List
            - v*.Compute.PacketMirrorings.aggregatedList
    condition: selection
falsepositives:
    - Full Network Packet Capture may be done by a system or network administrator.
    - If known behavior is causing false positives, it can be exempted from the rule.
level: medium

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