Google Cloud Re-identifies Sensitive Information — Sigma Rule

Rule metadata and linked tags

Author: Austin Songer @austinsonger. Source status: test; severity: medium. Source dates: 2021-08-15 / 2022-10-09.

{
  "product": "gcp",
  "service": "gcp.audit"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 3c0883bcbb96f7f679d1d8b6be1b633a6e7ba6995eadb12e221ae2827c54cfde

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Google Cloud Re-identifies Sensitive Information
id: 234f9f48-904b-4736-a34c-55d23919e4b7
status: test
description: Identifies when sensitive information is re-identified in google Cloud.
references:
    - https://cloud.google.com/dlp/docs/reference/rest/v2/projects.content/reidentify
author: Austin Songer @austinsonger
date: 2021-08-15
modified: 2022-10-09
tags:
    - attack.impact
    - attack.t1565
logsource:
    product: gcp
    service: gcp.audit
detection:
    selection:
        gcp.audit.method_name: projects.content.reidentify
    condition: selection
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://cloud.google.com/dlp/docs/reference/rest/v2/projects.content/reidentify