Files
sigma-rules/rules/aws/persistence_iam_group_creation.toml
T
Justin Ibarra 97ee8cc9ac Refresh beats and ecs schemas and default to use latest to validate (#570)
* Refresh beats and ecs schemas and default to use latest to validate
* remove incorrect ecs_version from zoom rule
* remove stale ecs_version from rules
2020-12-01 13:24:20 -09:00

54 lines
1.7 KiB
TOML

[metadata]
creation_date = "2020/06/05"
maturity = "production"
updated_date = "2020/10/26"
[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 from 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"
name = "AWS IAM Group Creation"
note = "The AWS Filebeat module must be enabled to use 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"]
type = "query"
query = '''
event.action:CreateGroup and event.dataset:aws.cloudtrail and event.provider:iam.amazonaws.com and event.outcome:success
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1108"
name = "Redundant Access"
reference = "https://attack.mitre.org/techniques/T1108/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"