Bitbucket Audit Log Configuration Updated — Sigma Rule

Rule metadata and linked tags

Author: Muhammad Faisal (@faisalusuf). Source status: test; severity: medium. Source dates: 2024-02-25 / not supplied.

{
  "product": "bitbucket",
  "service": "audit",
  "definition": "Requirements: \"Basic\" log level is required to receive these audit events."
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: b657a29be073babd5320f6a9da9a1b0857edf3acfa4aa311359b885d2b475368

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: Bitbucket Audit Log Configuration Updated
id: 6aa12161-235a-4dfb-9c74-fe08df8d8da1
status: test
description: Detects changes to the bitbucket audit log configuration.
references:
    - https://confluence.atlassian.com/bitbucketserver/view-and-configure-the-audit-log-776640417.html
author: Muhammad Faisal (@faisalusuf)
date: 2024-02-25
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: bitbucket
    service: audit
    definition: 'Requirements: "Basic" log level is required to receive these audit events.'
detection:
    selection:
        auditType.category: 'Auditing'
        auditType.action: 'Audit log configuration updated'
    condition: selection
falsepositives:
    - Legitimate user activity.
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate user activity.

Source references

• https://confluence.atlassian.com/bitbucketserver/view-and-configure-the-audit-log-776640417.html