IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
Elastic Docs ›Elastic Security Solution [8.1] ›Detections and alerts ›Prebuilt rule reference
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O365 Email Reported by User as Malware or Phishedit

Detects the occurrence of emails reported as Phishing or Malware by Users. Security Awareness training is essential to stay ahead of scammers and threat actors, as security products can be bypassed, and the user can still receive a malicious message. Educating users to report suspicious messages can help identify gaps in security controls and prevent malware infections and Business Email Compromise attacks.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-o365*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-30m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Cloud
  • Microsoft 365
  • Continuous Monitoring
  • SecOps
  • Initial Access

Version: 1

Added (Elastic Stack release): 8.1.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positivesedit

Legitimate files reported by the users

Investigation guideedit

## Config

The Office 365 Logs Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule queryedit

event.dataset:o365.audit and event.provider:SecurityComplianceCenter
and event.action:AlertTriggered and rule.name:"Email reported by user
as malware or phish"

Threat mappingedit

Framework: MITRE ATT&CKTM

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