IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Potential macOS SSH Brute Force Detected

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Potential macOS SSH Brute Force Detected

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Identifies a high number (20) of macOS SSH KeyGen process executions from the same host. An adversary may attempt a brute force attack to obtain unauthorized access to user accounts.

Rule type: threshold

Rule indices:

auditbeat-*
logs-endpoint.events.*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://themittenmac.com/detecting-ssh-activity-via-process-monitoring/

Tags:

Elastic
Host
macOS
Threat Detection
Credential Access

Version: 103

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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event.category:process and host.os.type:macos and event.type:start and process.name:"sshd-keygen-wrapper" and process.parent.name:launchd

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
Technique:
- Name: Brute Force
- ID: T1110
- Reference URL: https://attack.mitre.org/techniques/T1110/

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