Jonhnathan
f584fb6e31
* [Security Content] Adjust Mitre Att&ck Mappings - Windows Rules * Fix dates * Fix unit test errors * updated tags and fixed branch conflicts updated tags and fixed branch conflicts * description nit * Reverting unintended changes * Update initial_access_suspicious_ms_office_child_process.toml --------- Co-authored-by: imays11 <59296946+imays11@users.noreply.github.com>
54 lines
1.5 KiB
TOML
54 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2023/08/23"
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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 = "2023/10/09"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the creation of .kirbi files. The creation of this kind of file is an indicator of an attacker running
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Kerberos ticket dump utilities, such as Mimikatz, and precedes attacks such as Pass-The-Ticket (PTT), which allows the
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attacker to impersonate users using Kerberos tickets.
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"""
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from = "now-119m"
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interval = "60m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Kirbi File Creation"
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risk_score = 21
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rule_id = "b8f8da2d-a9dc-48c0-90e4-955c0aa1259a"
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severity = "low"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Credential Access", "Data Source: Elastic Defend", "Rule Type: BBR"]
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timestamp_override = "event.ingested"
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building_block_type = "default"
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type = "eql"
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query = '''
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file where host.os.type == "windows" and event.type == "creation" and file.extension : "kirbi"
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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 = "T1003"
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name = "OS Credential Dumping"
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reference = "https://attack.mitre.org/techniques/T1003/"
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[[rule.threat.technique]]
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id = "T1558"
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name = "Steal or Forge Kerberos Tickets"
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reference = "https://attack.mitre.org/techniques/T1558/"
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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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