Detection rules › Sigma
Bitbucket User Permissions Export Attempt
Detects user permission data export attempt.
Known false positives
- Legitimate user activity.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Reconnaissance | |
| Discovery | |
| Collection |
Rule body
title: Bitbucket User Permissions Export Attempt
id: 87cc6698-3e07-4ba2-9b43-a85a73e151e2
status: test
description: Detects user permission data export attempt.
references:
- https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
- https://confluence.atlassian.com/bitbucketserver/users-and-groups-776640439.html
author: Muhammad Faisal (@faisalusuf)
date: 2024-02-25
tags:
- attack.reconnaissance
- attack.collection
- attack.discovery
- attack.t1213
- attack.t1082
- attack.t1591.004
logsource:
product: bitbucket
service: audit
definition: 'Requirements: "Advance" log level is required to receive these audit events.'
detection:
selection:
auditType.category: 'Users and groups'
auditType.action:
- 'User details export failed'
- 'User details export started'
- 'User details exported'
condition: selection
falsepositives:
- Legitimate user activity.
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
auditType.category: 'Users and groups'
auditType.action:
- 'User details export failed'
- 'User details export started'
- 'User details exported'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
auditType.action | eq |
| field:"auditType.action" kind:eq |
auditType.category | eq |
| field:"auditType.category" kind:eq value:"Users and groups" |