Files
sigma-rules/rules/integrations/aws/privilege_escalation_sts_getsessiontoken_abuse.toml
T
Mika Ayenson a52751494e 2058 add setup field to metadata (#2061)
* Convert config header to setup in note field
* Parse note field into separate setup and note field with marko gfm
* only validate and parse note on elastic authored rules and add CLI description for new DR_BYPASS_NOTE_VALIDATION_AND_PARSE environment variable

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
2022-07-18 15:41:32 -04:00

73 lines
2.2 KiB
TOML

[metadata]
creation_date = "2021/05/17"
maturity = "production"
updated_date = "2021/10/11"
integration = "aws"
[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", "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/"