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>
47 lines
1.7 KiB
TOML
47 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2020/08/18"
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integration = ["azure"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/06/22"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies when an Azure Automation webhook is created. Azure Automation runbooks can be configured to execute via a
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webhook. A webhook uses a custom URL passed to Azure Automation along with a data payload specific to the runbook. An
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adversary may create a webhook in order to trigger a runbook that contains malicious code.
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"""
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from = "now-25m"
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index = ["filebeat-*", "logs-azure*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Azure Automation Webhook Created"
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note = """## Setup
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The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
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references = [
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"https://powerzure.readthedocs.io/en/latest/Functions/operational.html#create-backdoor",
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"https://github.com/hausec/PowerZure",
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"https://posts.specterops.io/attacking-azure-azure-ad-and-introducing-powerzure-ca70b330511a",
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"https://www.ciraltos.com/webhooks-and-azure-automation-runbooks/",
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]
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risk_score = 21
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rule_id = "e9ff9c1c-fe36-4d0d-b3fd-9e0bf4853a62"
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severity = "low"
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tags = ["Domain: Cloud", "Data Source: Azure", "Use Case: Configuration Audit", "Tactic: Persistence"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.dataset:azure.activitylogs and
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azure.activitylogs.operation_name:
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(
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"MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/WEBHOOKS/ACTION" or
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"MICROSOFT.AUTOMATION/AUTOMATIONACCOUNTS/WEBHOOKS/WRITE"
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) and
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event.outcome:(Success or success)
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'''
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