Rule Name & Severity | Last Updated | Author | Types, Tactics & Capabilities | |
|---|---|---|---|---|
Attachment: HTML smuggling with atob and high entropy | 9d ago Nov 4th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-smuggling-with-atob-and-high-entropy-03fcac11 | |
HTML smuggling containing recipient email address | 9d ago Nov 4th, 2025 | Sublime Security | /feeds/core/detection-rules/html-smuggling-containing-recipient-email-address-af32ff2f | |
Attachment: HTML file with reference to recipient and suspicious patterns | 9d ago Nov 4th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-file-with-reference-to-recipient-and-suspicious-patterns-5333493d | |
Attachment: HTML file with excessive 'const' declarations and abnormally long timeouts | 10d ago Nov 3rd, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-file-with-excessive-const-declarations-and-abnormally-long-timeouts-66f8a07a | |
Attachment: Any .sap file (unsolicited) | 17d ago Oct 27th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-any-sap-file-unsolicited-220ed3de | |
HTML: Bidirectional (BIDI) HTML override with right to left obfuscation | 27d ago Oct 17th, 2025 | Sublime Security | /feeds/core/detection-rules/html-bidirectional-bidi-html-override-with-right-to-left-obfuscation-f93940d2 | |
Attachment: HTML with obfuscation and recipient's email in JavaScript strings | 1mo ago Sep 25th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-with-obfuscation-and-recipients-email-in-javascript-strings-1aff486b | |
Attachment: HTML smuggling with eval and atob via calendar invite | 1mo ago Sep 25th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-smuggling-with-eval-and-atob-via-calendar-invite-597c2edd | |
Suspected cross-site scripting (XSS) found in subject | 2mo ago Sep 4th, 2025 | Sublime Security | /feeds/core/detection-rules/suspected-cross-site-scripting-xss-found-in-subject-8a946cfa | |
Attachment: EML with embedded Javascript in SVG file | 3mo ago Aug 8th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-eml-with-embedded-javascript-in-svg-file-dfafb78f | |
Attachment: SVG file execution | 3mo ago Aug 8th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-svg-file-execution-084b0cde | |
Attachment: Embedded Javascript in SVG file | 3mo ago Aug 8th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-embedded-javascript-in-svg-file-f70293bc | |
Attachment: HTML with emoji-to-character map | 3mo ago Aug 5th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-with-emoji-to-character-map-3119d086 | |
Attachment: Office document with VSTO add-in | 3mo ago Aug 5th, 2025 | @vector_sec | /feeds/core/detection-rules/attachment-office-document-with-vsto-add-in-27afa730 | |
Attachment: Malicious OneNote commands | 3mo ago Aug 5th, 2025 | @Kyle_Parrish_ | /feeds/core/detection-rules/attachment-malicious-onenote-commands-7319f0eb | |
Attachment: HTML attachment with Javascript location | 3mo ago Aug 5th, 2025 | @vector_sec | /feeds/core/detection-rules/attachment-html-attachment-with-javascript-location-e0611295 | |
Attachment: HTML with JavaScript functions for HTTP requests | 3mo ago Aug 5th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-with-javascript-functions-for-http-requests-01e679fd | |
Attachment: HTML with hidden body | 3mo ago Aug 5th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-html-with-hidden-body-b059a781 | |
Attachment: Double base64-encoded zip file in HTML smuggling attachment | 3mo ago Aug 5th, 2025 | @ajpc500 | /feeds/core/detection-rules/attachment-double-base64-encoded-zip-file-in-html-smuggling-attachment-61ebb07b | |
Attachment: Macro files containing MHT content | 3mo ago Aug 5th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-macro-files-containing-mht-content-4d54e40b |