







Rule Name & Severity | Last Updated | Author | Types, Tactics & Capabilities | |
|---|---|---|---|---|
Service abuse: Formester with suspicious link behavior | 14d ago Dec 19th, 2025 | Sublime Security | /feeds/core/detection-rules/service-abuse-formester-with-suspicious-link-behavior-e4b74fd4 | |
Attachment: PDF generated with wkhtmltopdf tool and default title | 14d ago Dec 19th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-pdf-generated-with-wkhtmltopdf-tool-and-default-title-64e6c8a8 | |
Xero invoice abuse | 16d ago Dec 17th, 2025 | Sublime Security | /feeds/core/detection-rules/xero-invoice-abuse-6538c600 | |
Business Email Compromise: Request for mobile number via reply thread hijacking | 18d ago Dec 15th, 2025 | Sublime Security | /feeds/core/detection-rules/business-email-compromise-request-for-mobile-number-via-reply-thread-hijacking-0282f346 | |
Attachment: Calendar file with invisible Unicode characters | 18d ago Dec 15th, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-calendar-file-with-invisible-unicode-characters-050fceac | |
Scam: Piano giveaway | 22d ago Dec 11th, 2025 | Sublime Security | /feeds/core/detection-rules/scam-piano-giveaway-1a91a203 | |
Fake thread with suspicious indicators | 24d ago Dec 9th, 2025 | Sublime Security | /feeds/core/detection-rules/fake-thread-with-suspicious-indicators-c2e18a57 | |
Credential phishing: Generic document sharing | 25d ago Dec 8th, 2025 | Sublime Security | /feeds/core/detection-rules/credential-phishing-generic-document-sharing-9f0e1d2c | |
Suspicious request for financial information | 27d ago Dec 6th, 2025 | Sublime Security | /feeds/core/detection-rules/suspicious-request-for-financial-information-4ebdaa4d | |
Fraudulent order confirmation/shipping notification from Chinese sender domain | 30d ago Dec 3rd, 2025 | Sublime Security | /feeds/core/detection-rules/fraudulent-order-confirmationshipping-notification-from-chinese-sender-domain-4392a14e | |
Service abuse: Roomsy with unrelated body content | 1mo ago Dec 2nd, 2025 | Sublime Security | /feeds/core/detection-rules/service-abuse-roomsy-with-unrelated-body-content-18e08a5a | |
Link: URL scheme obfuscation via split HTML anchors | 1mo ago Dec 2nd, 2025 | Sublime Security | /feeds/core/detection-rules/link-url-scheme-obfuscation-via-split-html-anchors-10375948 | |
Brand impersonation: Purdue ePlanroom with suspicious links | 1mo ago Dec 2nd, 2025 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-purdue-eplanroom-with-suspicious-links-4db5b0b6 | |
Reconnaissance: Short generic greeting message | 1mo ago Dec 2nd, 2025 | Sublime Security | /feeds/core/detection-rules/reconnaissance-short-generic-greeting-message-c67dedab | |
Impersonation: Social Security Administration (SSA) | 1mo ago Dec 2nd, 2025 | Sublime Security | /feeds/core/detection-rules/impersonation-social-security-administration-ssa-6196767e | |
Link abuse: Self-service creation platform link with suspicious recipient behavior | 1mo ago Dec 2nd, 2025 | Sublime Security | /feeds/core/detection-rules/link-abuse-self-service-creation-platform-link-with-suspicious-recipient-behavior-384ad135 | |
Brand impersonation: AARP | 1mo ago Dec 1st, 2025 | Sublime Security | /feeds/core/detection-rules/brand-impersonation-aarp-561a7f87 | |
Body: Embedded email headers indicative of thread hijacking/abuse | 1mo ago Dec 1st, 2025 | Sublime Security | /feeds/core/detection-rules/body-embedded-email-headers-indicative-of-thread-hijackingabuse-6e8eeebb | |
Attachment: Legal themed message or PDF with suspicious indicators | 1mo ago Dec 1st, 2025 | Sublime Security | /feeds/core/detection-rules/attachment-legal-themed-message-or-pdf-with-suspicious-indicators-19133301 | |
Link: Cryptocurrency fraud with suspicious links | 1mo ago Dec 1st, 2025 | Sublime Security | /feeds/core/detection-rules/link-cryptocurrency-fraud-with-suspicious-links-d0da37ce |