Detectors
Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.
5 detectors match the current filters.
Download CSV| Type | Name | Severity | Module | Data source / event | ATT&CK |
|---|---|---|---|---|---|
| Analytics BIOC | Email attachment with Right-to-Left Override Unicode character The email message contains an attachment with a hidden Right-to-Left Override Unicode character. | Low | Email Security | Microsoft 365 Emails | Defense Evasion, Execution |
| Analytics BIOC | Suspicious Unicode character detected in email Unicode characters can be used for obfuscation, allowing malicious actors to disguise harmful intent, URLs or attachments By embedding non-printing Unicode characters, attackers can bypass security filters and evade detection mechanisms Such characters may also be used for phishing attempts that appear legitimate to both users and security systems. | Informational | Email Security | Microsoft 365 Emails | Defense Evasion |
| Analytics BIOC | Usage of homograph characters detected in an email Detected characters resembling Latin letters within an email's subject and/or body. This could indicate an attempt to impersonate a well-known brand or impersonate someone's identity. This could also be used as a method to evade text scanners and analyzers. | Informational | Email Security | Microsoft 365 Emails | Defense Evasion |
| Analytics BIOC | Usage of homograph characters detected in an email attachment(s) name Detected characters resembling Latin letters within an email attachment(s) name. This method could be used as a method to evade text or file scanners and analyzers. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Usage of homograph characters detected in an email's from header Detected characters resembling Latin letters within an email's From header. This could indicate an attempt to impersonate a well-known brand or impersonate someone's identity. This could also be used as a method to evade text scanners and analyzers. | Informational | Email Security | Microsoft 365 Emails | Defense Evasion |