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sigma-rules/rules/integrations/aws/persistence_iam_group_creation.toml
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Justin Ibarra 948e484070 [Rule tuning] Update rules based on docs review (#1663)
* [Rule tuning] Update rule verbiage based on docs review

* fix typos

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

* revert TI rule changes since it was deprecated

Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>

(cherry picked from commit 72c64de3f5)
2022-01-28 19:43:39 +00:00

63 lines
2.0 KiB
TOML

[metadata]
creation_date = "2020/06/05"
maturity = "production"
updated_date = "2021/07/20"
integration = "aws"
[rule]
author = ["Elastic"]
description = """
Identifies the creation of a group in AWS Identity and Access Management (IAM). Groups specify permissions for multiple
users. Any user in a group automatically has the permissions that are assigned to the group.
"""
false_positives = [
"""
A group may be created by a system or network administrator. Verify whether the user identity, user agent, and/or
hostname should be making changes in your environment. Group creations by unfamiliar users or hosts should be
investigated. If known behavior is causing false positives, it can be exempted from the rule.
""",
]
from = "now-60m"
index = ["filebeat-*", "logs-aws*"]
interval = "10m"
language = "kuery"
license = "Elastic License v2"
name = "AWS IAM Group Creation"
note = """## Config
The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
references = [
"https://awscli.amazonaws.com/v2/documentation/api/latest/reference/iam/create-group.html",
"https://docs.aws.amazon.com/IAM/latest/APIReference/API_CreateGroup.html",
]
risk_score = 21
rule_id = "169f3a93-efc7-4df2-94d6-0d9438c310d1"
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:iam.amazonaws.com and event.action:CreateGroup and event.outcome:success
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1136"
name = "Create Account"
reference = "https://attack.mitre.org/techniques/T1136/"
[[rule.threat.technique.subtechnique]]
id = "T1136.003"
name = "Cloud Account"
reference = "https://attack.mitre.org/techniques/T1136/003/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"