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>
66 lines
2.3 KiB
TOML
66 lines
2.3 KiB
TOML
[metadata]
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creation_date = "2020/12/14"
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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 a new credential is added to an application in Azure. An application may use a certificate or secret
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string to prove its identity when requesting a token. Multiple certificates and secrets can be added for an application
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and an adversary may abuse this by creating an additional authentication method to evade defenses or persist in an
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environment.
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"""
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false_positives = [
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"""
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Application credential additions may be done by a system or network administrator. Verify whether the username,
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hostname, and/or resource name should be making changes in your environment. Application credential additions from
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unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted
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from the rule.
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""",
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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 Application Credential Modification"
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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://msrc-blog.microsoft.com/2020/12/13/customer-guidance-on-recent-nation-state-cyber-attacks/",
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]
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risk_score = 47
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rule_id = "1a36cace-11a7-43a8-9a10-b497c5a02cd3"
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severity = "medium"
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tags = ["Domain: Cloud", "Data Source: Azure", "Use Case: Identity and Access Audit", "Tactic: Defense Evasion"]
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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.auditlogs and azure.auditlogs.operation_name:"Update application - Certificates and secrets management" and event.outcome:(success or Success)
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1550"
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name = "Use Alternate Authentication Material"
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reference = "https://attack.mitre.org/techniques/T1550/"
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[[rule.threat.technique.subtechnique]]
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id = "T1550.001"
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name = "Application Access Token"
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reference = "https://attack.mitre.org/techniques/T1550/001/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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