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>
54 lines
1.8 KiB
TOML
54 lines
1.8 KiB
TOML
[metadata]
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creation_date = "2022/01/10"
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integration = ["o365"]
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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 the occurence of files uploaded to SharePoint being detected as Malware by the file scanning engine.
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Attackers can use File Sharing and Organization Repositories to spread laterally within the company and amplify their
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access. Users can inadvertently share these files without knowing their maliciousness, giving adversaries opportunities
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to gain initial access to other endpoints in the environment.
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"""
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false_positives = ["Benign files can trigger signatures in the built-in virus protection"]
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from = "now-30m"
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index = ["filebeat-*", "logs-o365*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "SharePoint Malware File Upload"
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note = """## Setup
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The Office 365 Logs 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://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/virus-detection-in-spo?view=o365-worldwide",
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]
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risk_score = 73
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rule_id = "0e52157a-8e96-4a95-a6e3-5faae5081a74"
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severity = "high"
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tags = ["Domain: Cloud", "Data Source: Microsoft 365", "Tactic: Lateral Movement"]
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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:o365.audit and event.provider:SharePoint and event.code:SharePointFileOperation and event.action:FileMalwareDetected
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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 = "T1080"
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name = "Taint Shared Content"
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reference = "https://attack.mitre.org/techniques/T1080/"
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[rule.threat.tactic]
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id = "TA0008"
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name = "Lateral Movement"
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reference = "https://attack.mitre.org/tactics/TA0008/"
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