Jonhnathan
b4c84e8a40
* Update Tags * Bump updated date separately to be easy to revert if needed * Update resource_development_ml_linux_anomalous_compiler_activity.toml * Apply changes from the discussion * Update persistence_init_d_file_creation.toml * Update defense_evasion_timestomp_sysmon.toml * Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml * Update missing Tactic tags * Update unit tests to match new tags * Add missing IG tags * Delete okta_threat_detected_by_okta_threatinsight.toml * Update command_and_control_google_drive_malicious_file_download.toml * Update persistence_rc_script_creation.toml * Mass bump * Update persistence_shell_activity_by_web_server.toml * . --------- Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
58 lines
2.3 KiB
TOML
58 lines
2.3 KiB
TOML
[metadata]
|
|
creation_date = "2020/08/12"
|
|
integration = ["azure"]
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2023/06/22"
|
|
|
|
[rule]
|
|
author = ["Austin Songer"]
|
|
description = """
|
|
Identifies when a virtual network device is modified or deleted. This can be a network virtual appliance, virtual hub,
|
|
or virtual router.
|
|
"""
|
|
false_positives = [
|
|
"""
|
|
Virtual Network Device modification or deletion may be performed by a system administrator. Verify whether the user
|
|
identity, user agent, and/or hostname should be making changes in your environment. Virtual Network Device
|
|
modification or deletion by unfamiliar users should be investigated. If known behavior is causing false positives,
|
|
it can be exempted from the rule.
|
|
""",
|
|
]
|
|
from = "now-25m"
|
|
index = ["filebeat-*", "logs-azure*"]
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "Azure Virtual Network Device Modified or Deleted"
|
|
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/role-based-access-control/resource-provider-operations"]
|
|
risk_score = 21
|
|
rule_id = "573f6e7a-7acf-4bcd-ad42-c4969124d3c0"
|
|
severity = "low"
|
|
tags = ["Domain: Cloud", "Data Source: Azure", "Use Case: Network Security Monitoring", "Tactic: Impact"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.dataset:azure.activitylogs and azure.activitylogs.operation_name:("MICROSOFT.NETWORK/NETWORKINTERFACES/TAPCONFIGURATIONS/WRITE" or
|
|
"MICROSOFT.NETWORK/NETWORKINTERFACES/TAPCONFIGURATIONS/DELETE" or "MICROSOFT.NETWORK/NETWORKINTERFACES/WRITE" or
|
|
"MICROSOFT.NETWORK/NETWORKINTERFACES/JOIN/ACTION" or "MICROSOFT.NETWORK/NETWORKINTERFACES/DELETE" or
|
|
"MICROSOFT.NETWORK/NETWORKVIRTUALAPPLIANCES/DELETE" or "MICROSOFT.NETWORK/NETWORKVIRTUALAPPLIANCES/WRITE" or
|
|
"MICROSOFT.NETWORK/VIRTUALHUBS/DELETE" or "MICROSOFT.NETWORK/VIRTUALHUBS/WRITE" or
|
|
"MICROSOFT.NETWORK/VIRTUALROUTERS/WRITE" or "MICROSOFT.NETWORK/VIRTUALROUTERS/DELETE") and
|
|
event.outcome:(Success or success)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0040"
|
|
name = "Impact"
|
|
reference = "https://attack.mitre.org/tactics/TA0040/"
|
|
|