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 Oct 23rd, 2026

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
BEC: Financial fraud from newly registered sender domain	Sublime Security	4mo ago Jun 25th, 2026	BEC/Fraud Social engineering Spoofing Natural Language Understanding Whois Content analysis Sender analysis Header analysis
BEC/Fraud: B2B sales inquiry cold outreach lure	Sublime Security	1mo ago Sep 24th, 2026	BEC/Fraud Spam Social engineering Content analysis Natural Language Understanding
BEC/Fraud: Fake investment outreach from suspicious TLD	Sublime Security	3d ago Oct 22nd, 2026	BEC/Fraud Social engineering Header analysis Sender analysis Content analysis Natural Language Understanding
BEC/Fraud: Generic scam attempt to undisclosed recipients	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
BEC/Fraud: Job scam fake thread or plaintext pivot to freemail	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Free email provider Out of band pivot Content analysis File analysis Natural Language Understanding
BEC/Fraud: Student loan callback phishing	Sublime Security	5mo ago May 4th, 2026	BEC/Fraud Free email provider Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
BEC: Tax document request	Sublime Security	2mo ago Aug 6th, 2026	BEC/Fraud Social engineering Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis
BEC: Wealth management lure from newly registered domain	Sublime Security	1mo ago Sep 8th, 2026	BEC/Fraud Social engineering Whois Content analysis Natural Language Understanding
BEC with unusual reply-to or return-path mismatch	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Evasion Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Body: AI-generated invoice template artifacts	Sublime Security	2mo ago Aug 22nd, 2026	Credential Phishing BEC/Fraud Social engineering Spoofing Natural Language Understanding HTML analysis Header analysis Sender analysis
Brand impersonation: Aconex	Sublime Security	18d ago Oct 7th, 2026	Credential Phishing Impersonation: Brand Social engineering Spoofing Natural Language Understanding Content analysis Header analysis Sender analysis
Brand impersonation: Amazon Web Services (AWS)	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Optical Character Recognition Sender analysis Natural Language Understanding
Brand impersonation: Amazon with suspicious attachment	Sublime Security	6mo ago Apr 14th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Aramco	Sublime Security	2mo ago Aug 20th, 2026	BEC/Fraud Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis
Brand impersonation: Automobile assistance associations	Sublime Security	2mo ago Aug 25th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Binance	Sublime Security	1y ago Sep 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis
Brand impersonation: Bluehost	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Booking.com	Sublime Security	5mo ago May 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Chase bank with credential phishing indicators	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: Cloud services with credential theft intent	Sublime Security	1mo ago Sep 3rd, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Brand Impersonation: Disney	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Content analysis Header analysis Sender analysis
Brand impersonation: DocuSign branded attachment lure with no DocuSign links	Sublime Security	1y ago Oct 22nd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL screenshot
Brand impersonation: DocuSign PDF attachment with suspicious link	Sublime Security	1y ago Oct 22nd, 2025	Credential Phishing Impersonation: Brand PDF Social engineering File analysis Natural Language Understanding Optical Character Recognition URL analysis
Brand impersonation: Exodus	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Natural Language Understanding Sender analysis
Brand impersonation: GitHub with callback scam indicators	Sublime Security	7mo ago Mar 11th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Brand impersonation: Google Authenticator	Sublime Security	23d ago Oct 2nd, 2026	Credential Phishing BEC/Fraud Impersonation: Brand Spoofing Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Government / Tax Authority document lure	Sublime Security	3mo ago Jul 14th, 2026	Credential Phishing Impersonation: Brand Free subdomain host Social engineering Lookalike domain Sender analysis URL analysis Natural Language Understanding Content analysis Threat intelligence
Brand impersonation: Interac	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Brand impersonation: Internal Revenue Service	Sublime Security	1mo ago Sep 24th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Kroger	Sublime Security	1mo ago Sep 15th, 2026	Credential Phishing BEC/Fraud Impersonation: Brand Social engineering Image as content Sender analysis Content analysis Optical Character Recognition Natural Language Understanding Header analysis
Brand impersonation: LastPass	Sublime Security	7mo ago Mar 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Header analysis
Brand impersonation: Mailchimp	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Content analysis Header analysis Sender analysis
Brand impersonation: McAfee	Sublime Security	1mo ago Aug 27th, 2026	Credential Phishing BEC/Fraud Callback Phishing Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Brand impersonation: MetaMask	Sublime Security	16d ago Oct 9th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Sender analysis Header analysis
Brand impersonation: Microsoft logo or suspicious language with open redirect	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Impersonation: Brand Open redirect Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: Microsoft Planner with suspicious link	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Evasion Image as content Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: Microsoft quarantine release notification in image attachment	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Free file host Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Microsoft with embedded logo and credential theft language	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Sender analysis
Brand impersonation: Microsoft with low reputation links	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Free file host Image as content Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis
Brand impersonation: Morgan Stanley	Sublime Security	1mo ago Sep 8th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Brand impersonation: MyChart	Sublime Security	11d ago Oct 14th, 2026	Credential Phishing Spam Impersonation: Brand Social engineering Spoofing Content analysis Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Navan	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Natural Language Understanding URL analysis Content analysis
Brand impersonation: Sedgwick Claims	Sublime Security	1mo ago Sep 18th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Spoofing Social engineering Natural Language Understanding Sender analysis Header analysis
Brand impersonation: SendGrid	Sublime Security	2mo ago Aug 7th, 2026	BEC/Fraud Credential Phishing Spam Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Sharepoint	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Natural Language Understanding Sender analysis
Brand impersonation: SharePoint PDF attachment with credential theft language	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering PDF Evasion Computer Vision File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis Header analysis Whois
Brand Impersonation: Shein	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Spam Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: SoFi	Sublime Security	2mo ago Aug 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis Natural Language Understanding URL analysis
Brand impersonation: Square	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Survey request with credential theft indicators	Sublime Security	1mo ago Sep 22nd, 2026	Credential Phishing Social engineering Impersonation: Brand Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis

312 Rules

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