Jonhnathan
b4c84e8a40
* Update Tags * Bump updated date separately to be easy to revert if needed * Update resource_development_ml_linux_anomalous_compiler_activity.toml * Apply changes from the discussion * Update persistence_init_d_file_creation.toml * Update defense_evasion_timestomp_sysmon.toml * Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml * Update missing Tactic tags * Update unit tests to match new tags * Add missing IG tags * Delete okta_threat_detected_by_okta_threatinsight.toml * Update command_and_control_google_drive_malicious_file_download.toml * Update persistence_rc_script_creation.toml * Mass bump * Update persistence_shell_activity_by_web_server.toml * . --------- Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
49 lines
1.4 KiB
TOML
49 lines
1.4 KiB
TOML
[metadata]
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creation_date = "2020/11/16"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/06/22"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies a high number (20) of macOS SSH KeyGen process executions from the same host. An adversary may attempt a
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brute force attack to obtain unauthorized access to user accounts.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Potential macOS SSH Brute Force Detected"
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references = ["https://themittenmac.com/detecting-ssh-activity-via-process-monitoring/"]
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risk_score = 47
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rule_id = "ace1e989-a541-44df-93a8-a8b0591b63c0"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: macOS", "Use Case: Threat Detection", "Tactic: Credential Access"]
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type = "threshold"
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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
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1110"
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name = "Brute Force"
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reference = "https://attack.mitre.org/techniques/T1110/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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[rule.threshold]
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field = ["host.id"]
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value = 20
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