Justin Ibarra
54 lines
1.7 KiB
TOML
54 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2020/07/06"
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maturity = "production"
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updated_date = "2021/05/10"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies attempts to modify an AWS IAM Assume Role Policy. An adversary may attempt to modify the AssumeRolePolicy of
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a misconfigured role in order to gain the privileges of that role.
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"""
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false_positives = [
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"""
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Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Policy
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updates from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can
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be exempted from the rule.
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""",
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]
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from = "now-60m"
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index = ["filebeat-*", "logs-aws*"]
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interval = "10m"
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language = "kuery"
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license = "Elastic License v2"
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name = "AWS IAM Assume Role Policy Update"
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note = """## Config
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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://labs.bishopfox.com/tech-blog/5-privesc-attack-vectors-in-aws"]
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risk_score = 21
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rule_id = "a60326d7-dca7-4fb7-93eb-1ca03a1febbd"
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severity = "low"
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tags = ["Elastic", "Cloud", "AWS", "Continuous Monitoring", "SecOps", "Identity and Access"]
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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:iam.amazonaws.com and event.action:UpdateAssumeRolePolicy 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 = "T1078"
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name = "Valid Accounts"
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reference = "https://attack.mitre.org/techniques/T1078/"
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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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