Detection rules › Sigma
Bitbucket Global SSH Settings Changed
Detects Bitbucket global SSH access configuration changes.
Known false positives
- Legitimate user activity.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Impairment | |
| Lateral Movement |
Rule body
title: Bitbucket Global SSH Settings Changed
id: 16ab6143-510a-44e2-a615-bdb80b8317fc
status: test
description: Detects Bitbucket global SSH access configuration changes.
references:
- https://confluence.atlassian.com/bitbucketserver/audit-log-events-776640423.html
- https://confluence.atlassian.com/bitbucketserver/enable-ssh-access-to-git-repositories-776640358.html
author: Muhammad Faisal (@faisalusuf)
date: 2024-02-25
tags:
- attack.lateral-movement
- attack.defense-impairment
- attack.t1685
- attack.t1021.004
logsource:
product: bitbucket
service: audit
definition: 'Requirements: "Advance" log level is required to receive these audit events.'
detection:
selection:
auditType.category: 'Global administration'
auditType.action: 'SSH settings changed'
condition: selection
falsepositives:
- Legitimate user activity.
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
auditType.category: 'Global administration'
auditType.action: 'SSH settings changed'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
auditType.action | eq |
| field:"auditType.action" kind:eq value:"SSH settings changed" |
auditType.category | eq |
| field:"auditType.category" kind:eq value:"Global administration" |