Detectors
Every Cortex detection rule the toolbox knows about — analytics alerts, BIOCs and correlation rules — in one filterable set.
14 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 | Email was received from an unknown sender using a disposable domain The email was received from an unknown sender using a disposable email provider, first seen in the organization in the past month. | Low | Email Security | Microsoft 365 Emails | Reconnaissance, Initial Access |
| Analytics BIOC | Email with file-sharing link containing auto-download parameter The email contains a link to a file-sharing service that includes parameters likely to trigger automatic download. | Low | Email Security | Microsoft 365 Emails | Initial Access, Execution |
| Analytics BIOC | Exchange anti-phish policy disabled or removed A user disabled or removed an Exchange anti-phish policy, which may indicate evasion of a possible phishing campaign. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion, Initial Access |
| Analytics BIOC | Exchange audit log disabled A user disabled the Exchange audit log. This may indicate an attempt to evade detection. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion |
| Analytics BIOC | Exchange DKIM signing configuration disabled A user disabled an Exchange DomainKeys Identified Mail (DKIM) signing configuration. DKIM helps ensure that emails are authorized and not spoofed. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion, Initial Access |
| Analytics BIOC | Exchange mailbox audit bypass A user added mailbox audit bypass for an account. This will allow the account to perform actions without being logged, and may indicate an attempt to evade detection. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion |
| Analytics BIOC | Exchange malware filter policy removed A user removed an Exchange malware filter policy, which may prevent the detection of malware. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion |
| Analytics BIOC | Exchange Safe Attachment policy disabled or removed A user disabled an Exchange Safe Attachment policy, which provides phishing protection to email attachments. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion, Initial Access |
| Analytics BIOC | Exchange Safe Link policy disabled or removed A user disabled an Exchange Safe Link policy, which provides phishing protection to emails that contain hyperlinks. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Defense Evasion, Initial Access |
| Analytics BIOC | Exchange transport forwarding rule configured A user configured an Exchange transport (mail flow) forwarding rule, which is applied to all emails that match certain conditions in the organization. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Collection, Exfiltration |
| Analytics BIOC | Exchange user mailbox forwarding A user configured Exchange SMTP forwarding on a mailbox, which forwards all emails sent to that mailbox to a specified recipient. | Low | Identity Threat Detection (ITDR), SaaS Threat Detection, Email Security | Office 365 Audit | Collection, Exfiltration |
| Analytics BIOC | Sending unusual file(s) to an external address Unusual files sent to an external address. | Low | Email Security | Microsoft 365 Emails | Initial Access, Exfiltration |
| Analytics BIOC | Training simulation email detected This email was flagged as part of a training simulation. | Low | Email Security | Microsoft 365 Emails | Initial Access |