Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
|
Detection Modules |
|
Detector Tags |
Evasion |
ATT&CK Tactic |
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ATT&CK Technique |
|
Severity |
Low |
Description
The email message contains an attachment with a hidden Right-to-Left Override Unicode character.
Attacker's Goals
- Bypass security filters and deliver malicious content to users
- Mislead recipients into opening a malicious file by obscuring its true nature
- Deploy malicious attachments through emails to compromise systems, gain unauthorized access, or facilitate cyber threats.
Investigative actions
- Carefully analyze attachments for any indications of suspicious or malicious behavior.
- Scrutinize the attachments for any suspicious indications.
- Confirm whether the attachments were successfully delivered to the recipient's mailbox.
- If the attachments were delivered successfully, verify whether the recipient downloaded them.