Detection rules › Sigma
Google Full Network Traffic Packet Capture
Identifies potential full network packet capture in gcp. This feature can potentially be abused to read sensitive data from unencrypted internal traffic.
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.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Collection |
Telemetry coverage
Rule body
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
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
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
gcp.audit.method_name | wildcard |
| field:"gcp::method_name" kind:wildcard |