Detectors
Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.
11 detectors match the current filters. tactic: TA0006 ✕ technique: T1204 ✕
Download CSV| Type | Name | Severity | Module | Data source / event | ATT&CK |
|---|---|---|---|---|---|
| Analytics BIOC | Email contains URL delivering high-risk file type Emails with URLs linking to file types commonly blocked by email vendors due to their use in malware delivery. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | External email with a single internal recipient hidden in BCC External email with mailbox owner hidden in BCC as the only internal recipient. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | First-time attachment exchange Detects when an attachment is sent between individuals for the first time in 30 days. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Initial person-to-person email contact Identifies when a sender initiates contact with individuals with no prior history of interaction in the last 30 days. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Moniker link detected in URL(s) A Moniker link was detected within the email's body. The link has the convention of a Moniker link (CVE-2024-21413) correlated to a suspicious URL scheme. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Outbound email contains file-sharing service link sent to external recipient Identifies outbound emails that include links to file-sharing services sent externally. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Outbound email includes an external BCC recipient observed for the first time Internal sender BCC'd an external recipient whose address has not been observed in prior communications. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Outbound email to an address hosted by a public email service provider Internal sender emailed to an address hosted by a public email service provider. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics | Sudden spike in outbound email volume Unusual amount of emails sent by an internal sender to one or more external recipients within a short timeframe. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| Analytics BIOC | Unusual URL(s) sent by a brand were observed in the email A URL that is not usually associated with the brand has been detected. | Informational | Email Security | Microsoft 365 Emails | Execution, Credential Access |
| 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 |