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Elastic Docs ›Elastic Security Solution [8.5] ›Detections and alerts ›Prebuilt rule reference

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: 5 minutes

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

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • macOS
  • Threat Detection
  • Credential Access

Version: 101 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 8.5.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

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

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 101 (8.5.0 release)
  • Rule name changed from: Potential SSH Brute Force Detected
Version 3 (8.4.0 release)
  • Formatting only
Version 2 (7.12.0 release)
  • Formatting only
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