Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
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Detection Modules |
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Detector Tags |
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ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Informational |
Description
The email was received from an unknown sender with an address from a public email provider, first seen in the organization's email system within the past 30 days.
Attacker's Goals
- Trick recipients into downloading harmful payloads
- Aim to gain unauthorized access to the organization's systems.
Investigative actions
- Check the email address for any unusual spellings, missing letters, or unknown domains.
- If the message contains attachments or links, scrutinize them for any suspicious indications.
- Monitor further actions taken, such as file downloads or access to potentially malicious links.