Files
sigma-rules/rules/aws/persistence_iam_group_creation.toml
T
Justin Ibarra c1a0438f45 [Rule Tuning] Update ATT&CK threat mappings to reflect changes (#706)
* replaced/removed all revoked/deprecated techniques
* tests will fail on revoked (changed) techniques
* tests will fail on deprecated techniques
* tests will fail when techniques are mapped to an invalid tactic
2020-12-18 12:46:16 -09:00

59 lines
1.8 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 = "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/"