Mika Ayenson
a52751494e
* 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>
50 lines
1.6 KiB
TOML
50 lines
1.6 KiB
TOML
[metadata]
|
|
creation_date = "2020/09/01"
|
|
maturity = "production"
|
|
updated_date = "2022/02/20"
|
|
integration = "azure"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies when an Azure Conditional Access policy is modified. Azure Conditional Access policies control access to
|
|
resources via if-then statements. For example, if a user wants to access a resource, then they must complete an action
|
|
such as using multi-factor authentication to access it. An adversary may modify a Conditional Access policy in order to
|
|
weaken their target's security controls.
|
|
"""
|
|
from = "now-25m"
|
|
index = ["filebeat-*", "logs-azure*"]
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "Azure Conditional Access Policy Modified"
|
|
note = """## Setup
|
|
|
|
The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
|
|
references = ["https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/overview"]
|
|
risk_score = 47
|
|
rule_id = "bc48bba7-4a23-4232-b551-eca3ca1e3f20"
|
|
severity = "medium"
|
|
tags = ["Elastic", "Cloud", "Azure", "Continuous Monitoring", "SecOps", "Configuration Audit"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.dataset:(azure.activitylogs or azure.auditlogs) and
|
|
event.action:"Update conditional access policy" and event.outcome:(Success or success)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1098"
|
|
name = "Account Manipulation"
|
|
reference = "https://attack.mitre.org/techniques/T1098/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0003"
|
|
name = "Persistence"
|
|
reference = "https://attack.mitre.org/tactics/TA0003/"
|
|
|