Sublime Core Feed

This repo contains open-source Rules for Sublime, a free and open platform for detecting and preventing email attacks like BEC, malware, and credential phishing.

Sublime Security

Last updated Mar 6th, 2026

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GitHub

Rule Name & Severity	Author	Last Updated	Labels
Service abuse: HungerRush domain with SendGrid tracking targeting ProtonMail	Sublime Security	4d ago Mar 4th, 2026	BEC/Fraud Evasion Sender analysis HTML analysis Content analysis	/feeds/core/detection-rules/service-abuse-hungerrush-domain-with-sendgrid-tracking-targeting-protonmail-73f62e74
Service abuse: Payoneer callback scam	Sublime Security	1mo ago Jan 12th, 2026	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis	/feeds/core/detection-rules/service-abuse-payoneer-callback-scam-b7fb174c
Service abuse: QuickBooks notification with suspicious comments	Sublime Security	1mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis	/feeds/core/detection-rules/service-abuse-quickbooks-notification-with-suspicious-comments-a23d0950
Service abuse: Random Google Firebase sender address with suspicious content	Sublime Security	1mo ago Jan 12th, 2026	Spam Credential Phishing Free subdomain host Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis URL analysis Whois	/feeds/core/detection-rules/service-abuse-random-google-firebase-sender-address-with-suspicious-content-9f8899a9
Service abuse: Suspicious Zoom Docs link	Sublime Security	3mo ago Dec 2nd, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis	/feeds/core/detection-rules/service-abuse-suspicious-zoom-docs-link-064b2594
Service abuse: Trello board invitation with VIP impersonation	Sublime Security	1mo ago Feb 3rd, 2026	Credential Phishing Impersonation: VIP Social engineering Content analysis Header analysis HTML analysis Sender analysis	/feeds/core/detection-rules/service-abuse-trello-board-invitation-with-vip-impersonation-fedfc94b
Sharepoint link likely unrelated to sender	Sublime Security	1mo ago Jan 12th, 2026	BEC/Fraud Credential Phishing Impersonation: Employee Lookalike domain OneNote PDF Social engineering URL analysis Sender analysis Header analysis HTML analysis	/feeds/core/detection-rules/sharepoint-link-likely-unrelated-to-sender-6870f489
Spam: Attendee list solicitation	Sublime Security	6mo ago Aug 29th, 2025	Spam Content analysis Sender analysis	/feeds/core/detection-rules/spam-attendee-list-solicitation-69715b62
Spam: Campaign with excessive space/char obfuscation and free file hosted link	Sublime Security	1mo ago Jan 12th, 2026	Spam Free file host Content analysis Sender analysis	/feeds/core/detection-rules/spam-campaign-with-excessive-spacechar-obfuscation-and-free-file-hosted-link-122bc0ca
Spam: Commonly observed formatting of unauthorized free giveaways	Sublime Security	1mo ago Jan 14th, 2026	Spam Impersonation: Brand Social engineering Content analysis HTML analysis Sender analysis URL analysis	/feeds/core/detection-rules/spam-commonly-observed-formatting-of-unauthorized-free-giveaways-8bc49fa3
Spam: Fake photo share	Sublime Security	3mo ago Nov 8th, 2025	Spam Evasion Social engineering Content analysis Sender analysis URL analysis Whois	/feeds/core/detection-rules/spam-fake-photo-share-eb086f7d
Spam/fraud: Predatory journal/research paper request	Sublime Security	4mo ago Nov 3rd, 2025	BEC/Fraud Spam Social engineering Impersonation: Brand Lookalike domain Evasion Natural Language Understanding Content analysis Sender analysis URL analysis Whois	/feeds/core/detection-rules/spamfraud-predatory-journalresearch-paper-request-263ca56b
Spam: Item giveaway spam template	Sublime Security	7mo ago Aug 5th, 2025	Spam Image as content Content analysis HTML analysis Sender analysis Exif analysis	/feeds/core/detection-rules/spam-item-giveaway-spam-template-06a5f93b
Spam: Unsolicited WordPress account creation or password reset request	Sublime Security	3mo ago Nov 24th, 2025	Spam Social engineering Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/spam-unsolicited-wordpress-account-creation-or-password-reset-request-e182b6b2
Spam: Website errors solicitation	Sublime Security	2mo ago Dec 11th, 2025	Spam Content analysis Sender analysis Natural Language Understanding	/feeds/core/detection-rules/spam-website-errors-solicitation-122ea794
Suspicious invoice reference with missing or image-only attachments	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Social engineering Content analysis Computer Vision File analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/suspicious-invoice-reference-with-missing-or-image-only-attachments-466c1680
Tax Form: W-8BEN solicitation	Sublime Security	13d ago Feb 23rd, 2026	BEC/Fraud Credential Phishing Social engineering Content analysis Header analysis URL analysis	/feeds/core/detection-rules/tax-form-w-8ben-solicitation-a64edb69
Unicode QR code	Sublime Security	6mo ago Aug 25th, 2025	Credential Phishing Evasion Content analysis Sender analysis QR code analysis	/feeds/core/detection-rules/unicode-qr-code-1a0bdd25
Venmo payment request abuse	Sublime Security	6mo ago Sep 5th, 2025	Callback Phishing BEC/Fraud Social engineering Impersonation: Brand Evasion Natural Language Understanding Content analysis Sender analysis HTML analysis	/feeds/core/detection-rules/venmo-payment-request-abuse-4450639a
VIP impersonation: Fake thread with display name match, email mismatch	Sublime Security	1mo ago Jan 12th, 2026	BEC/Fraud Evasion Impersonation: VIP Social engineering Spoofing Content analysis Header analysis Sender analysis Whois	/feeds/core/detection-rules/vip-impersonation-fake-thread-with-display-name-match-email-mismatch-11cc3e28
VIP impersonation with charitable donation fraud	Sublime Security	3mo ago Nov 12th, 2025	BEC/Fraud Impersonation: Employee Impersonation: VIP Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/vip-impersonation-with-charitable-donation-fraud-35a56b8e
Zoom Events newsletter abuse	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Free file host Free subdomain host Social engineering Impersonation: Brand Header analysis HTML analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/zoom-events-newsletter-abuse-c8fce846

122 Rules

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