Terrance DeJesus
3d57209705
* adding adjusted Okta rules * adding adjusted AWS rules * adding adjusted AWS rules
73 lines
2.3 KiB
TOML
73 lines
2.3 KiB
TOML
[metadata]
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creation_date = "2021/05/17"
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integration = ["aws"]
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maturity = "production"
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min_stack_comments = "AWS integration breaking changes, bumping version to ^2.0.0"
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min_stack_version = "8.9.0"
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updated_date = "2023/10/24"
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[rule]
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author = ["Austin Songer"]
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description = """
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Identifies the suspicious use of GetSessionToken. Tokens could be created and used by attackers to move laterally and
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escalate privileges.
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"""
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false_positives = [
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"""
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GetSessionToken may be done by a system or network administrator. Verify whether the user identity, user agent,
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and/or hostname should be making changes in your environment. GetSessionToken from unfamiliar users or hosts should
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be investigated. If known behavior is causing false positives, it can be exempted from the rule.
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""",
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]
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index = ["filebeat-*", "logs-aws*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "AWS STS GetSessionToken Abuse"
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note = """## Setup
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The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
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references = ["https://docs.aws.amazon.com/STS/latest/APIReference/API_GetSessionToken.html"]
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risk_score = 21
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rule_id = "b45ab1d2-712f-4f01-a751-df3826969807"
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severity = "low"
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tags = ["Domain: Cloud", "Data Source: AWS", "Data Source: Amazon Web Services", "Use Case: Identity and Access Audit", "Tactic: Privilege Escalation"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.dataset:aws.cloudtrail and event.provider:sts.amazonaws.com and event.action:GetSessionToken and
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aws.cloudtrail.user_identity.type:IAMUser and event.outcome:success
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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 = "T1548"
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name = "Abuse Elevation Control Mechanism"
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reference = "https://attack.mitre.org/techniques/T1548/"
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[rule.threat.tactic]
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id = "TA0004"
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name = "Privilege Escalation"
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reference = "https://attack.mitre.org/tactics/TA0004/"
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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 = "T1550"
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name = "Use Alternate Authentication Material"
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reference = "https://attack.mitre.org/techniques/T1550/"
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[[rule.threat.technique.subtechnique]]
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id = "T1550.001"
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name = "Application Access Token"
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reference = "https://attack.mitre.org/techniques/T1550/001/"
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[rule.threat.tactic]
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id = "TA0008"
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name = "Lateral Movement"
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reference = "https://attack.mitre.org/tactics/TA0008/"
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