Files
sigma-rules/rules/integrations/aws/privilege_escalation_sts_getsessiontoken_abuse.toml
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Jonhnathan 38b8311482 [Security Content] Expand Abbreviated Tags (#2414)
* [Security Content] Expand Abbreviated Tags

* .

* Update privilege_escalation_gcp_kubernetes_rolebindings_created_or_patched.toml

* Apply suggestions from code review

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Revert changes to deprecated rules

* Bump updated_date

---------

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
2023-03-06 17:37:52 -03:00

73 lines
2.3 KiB
TOML

[metadata]
creation_date = "2021/05/17"
integration = ["aws"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/03/06"
[rule]
author = ["Austin Songer"]
description = """
Identifies the suspicious use of GetSessionToken. Tokens could be created and used by attackers to move laterally and
escalate privileges.
"""
false_positives = [
"""
GetSessionToken may be done by a system or network administrator. Verify whether the user identity, user agent,
and/or hostname should be making changes in your environment. GetSessionToken from unfamiliar users or hosts should
be investigated. If known behavior is causing false positives, it can be exempted from the rule.
""",
]
index = ["filebeat-*", "logs-aws*"]
language = "kuery"
license = "Elastic License v2"
name = "AWS STS GetSessionToken Abuse"
note = """## Setup
The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
references = ["https://docs.aws.amazon.com/STS/latest/APIReference/API_GetSessionToken.html"]
risk_score = 21
rule_id = "b45ab1d2-712f-4f01-a751-df3826969807"
severity = "low"
tags = ["Elastic", "Cloud", "AWS", "Amazon Web Services", "Continuous Monitoring", "SecOps", "Identity and Access"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.dataset:aws.cloudtrail and event.provider:sts.amazonaws.com and event.action:GetSessionToken and
aws.cloudtrail.user_identity.type:IAMUser and event.outcome:success
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1548"
name = "Abuse Elevation Control Mechanism"
reference = "https://attack.mitre.org/techniques/T1548/"
[rule.threat.tactic]
id = "TA0004"
name = "Privilege Escalation"
reference = "https://attack.mitre.org/tactics/TA0004/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1550"
name = "Use Alternate Authentication Material"
reference = "https://attack.mitre.org/techniques/T1550/"
[[rule.threat.technique.subtechnique]]
id = "T1550.001"
name = "Application Access Token"
reference = "https://attack.mitre.org/techniques/T1550/001/"
[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"