Ross Wolf
5fcece8416
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-Authored-By: Craig Chamberlain <randomuserid@users.noreply.github.com> Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com> Co-Authored-By: Derek Ditch <dcode@users.noreply.github.com> Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
54 lines
1.6 KiB
TOML
54 lines
1.6 KiB
TOML
[metadata]
|
|
creation_date = "2020/06/05"
|
|
ecs_version = ["1.5.0"]
|
|
maturity = "production"
|
|
updated_date = "2020/06/05"
|
|
|
|
[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-20m"
|
|
index = ["filebeat-*"]
|
|
interval = "10m"
|
|
language = "kuery"
|
|
license = "Elastic License"
|
|
name = "AWS IAM Group Creation"
|
|
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 = ["AWS", "Elastic"]
|
|
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/"
|
|
|