Suspicious Bitbucket Global Permission Changed (via audit)
This rule detects global permissions change activity.
Sigmamediumv1
sigma
suspicious-bitbucket-global-permission-changed-via-audit
title: Suspicious Bitbucket Global Permission Changed (via audit)
id: fc6c5ae7-796d-5dab-b322-912718c72a24
status: stable
description: This rule detects global permissions change activity.
references:
- https://attack.mitre.org/techniques/T1098/
- https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
- https://confluence.atlassian.com/bitbucketserver/global-permissions-776640369.html
author: Huntrule Team
date: 2026-06-24
tags:
- attack.persistence
- attack.privilege-escalation
- attack.t1098
logsource:
product: bitbucket
service: audit
definition: 'Requirements: "Advance" log level is required to receive these audit events.'
detection:
selection:
auditType.category: 'Permissions'
auditType.action:
- 'Global permission remove request'
- 'Global permission removed'
- 'Global permission granted'
- 'Global permission requested'
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.