Austin Songer
d7eab5bbf3
* Update impact_iam_deactivate_mfa_device.toml https://github.com/elastic/detection-rules/issues/1111 * Update impact_iam_deactivate_mfa_device.toml * Update discovery_post_exploitation_external_ip_lookup.toml "*ipapi.co", "*ip-lookup.net", "*ipstack.com" * Update rules/aws/impact_iam_deactivate_mfa_device.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Revert "Update discovery_post_exploitation_external_ip_lookup.toml" This reverts commit b57fd60c9511e20a336d32a9c9b8d5cf9954c50e. * Update * New Rule: Okta User Attempted Unauthorized Access * Update privilege_escalation_okta_user_attempted_unauthorized_access.toml * Update privilege_escalation_okta_user_attempted_unauthorized_access.toml * Delete privilege_escalation_okta_user_attempted_unauthorized_access.toml * Create persistence_new-or-modified-federation-domain.toml * Delete persistence_new-or-modified-federation-domain.toml * Create lateral_movement_sts_assumerole_abuse.toml * Rename lateral_movement_sts_assumerole_abuse.toml to privilege_escalation_sts_assumerole_abuse.toml * Update privilege_escalation_sts_assumerole_abuse.toml * Update privilege_escalation_sts_assumerole_abuse.toml * Update privilege_escalation_sts_assumerole_abuse.toml * Update * Update .gitignore Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * Update privilege_escalation_sts_assumerole_abuse.toml * Update privilege_escalation_sts_assumerole_abuse.toml * Update privilege_escalation_sts_assumerole_abuse.toml * Update and rename privilege_escalation_sts_assumerole_abuse.toml to privilege_escalation_sts_assumerole_usage.toml * Update rules/integrations/aws/privilege_escalation_sts_assumerole_usage.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * Add note field * Update privilege_escalation_sts_assumerole_usage.toml * Update rules/integrations/aws/privilege_escalation_sts_assumerole_usage.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * Adding Reference * Expand STS Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
67 lines
2.0 KiB
TOML
67 lines
2.0 KiB
TOML
[metadata]
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creation_date = "2021/05/17"
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maturity = "production"
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updated_date = "2021/10/05"
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integration = "aws"
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[rule]
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author = ["Austin Songer"]
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description = """
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Identifies the use of AssumeRole. AssumeRole returns a set of temporary security credentials that can be used to access
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AWS resources. An adversary could use those credentials to move laterally and escalate privileges.
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"""
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false_positives = [
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"""
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Automated processes that uses Terraform may lead to false positives.
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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 Security Token Service (STS) AssumeRole Usage"
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references = ["https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html"]
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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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risk_score = 21
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rule_id = "93075852-b0f5-4b8b-89c3-a226efae5726"
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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:sts.amazonaws.com and event.action:AssumedRole and
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aws.cloudtrail.user_identity.session_context.session_issuer.type:Role 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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