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
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 with embedded QR code	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Evasion Image as content Impersonation: Brand QR code Computer Vision Content analysis QR code analysis Sender analysis
Brand impersonation: Dropbox	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis Sender analysis
Brand impersonation: Enbridge	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Evite	Sublime Security	9d ago Oct 16th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Fake DocuSign HTML table not linking to DocuSign domains	Sublime Security	27d ago Sep 28th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis Header analysis Sender analysis URL analysis
Brand impersonation: Fake Fax	Sublime Security	30d ago Sep 25th, 2026	Credential Phishing Impersonation: Brand Image as content Free file host Free subdomain host Social engineering Computer Vision Content analysis Optical Character Recognition Sender analysis URL analysis
Brand impersonation: Fake procurement/RFQ PDF from energy and industrial companies	Sublime Security	4mo ago Jun 25th, 2026	BEC/Fraud Impersonation: Brand PDF Social engineering Image as content Optical Character Recognition File analysis Content analysis
Brand impersonation: File sharing notification with template artifacts	Sublime Security	9mo ago Jan 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Evasion HTML analysis Computer Vision Content analysis Header analysis
Brand Impersonation: Gemini Trust Company	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis Sender analysis Header 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 Careers	Sublime Security	11mo ago Nov 12th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL analysis
Brand impersonation: Google Drive fake file share	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Social engineering Content analysis Header analysis URL analysis Computer Vision
Brand impersonation: Google Meet with malicious link	Sublime Security	2mo ago Aug 7th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis
Brand impersonation: Google using Microsoft Forms	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Google Workspace alert notification	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Lookalike domain Header analysis Content analysis Sender analysis URL 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: Greenvelope	Sublime Security	10mo ago Dec 1st, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Greetings Island	Sublime Security	2mo ago Aug 18th, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Social engineering Image as content Spoofing Content analysis Computer Vision Optical Character Recognition Header analysis HTML analysis Sender analysis
Brand impersonation: Gusto	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis
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: Marriott with gift language	Sublime Security	8mo ago Feb 2nd, 2026	Credential Phishing Impersonation: Brand Social engineering 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: Microsoft	@amitchell516	1mo ago Sep 10th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Microsoft fake sign-in alert	Sublime Security	2mo ago Jul 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Header analysis Sender analysis Whois
Brand impersonation: Microsoft logo in HTML with fake quarantine release notification	Sublime Security	27d ago Sep 28th, 2026	Credential Phishing Evasion Impersonation: Brand Social engineering Content analysis HTML analysis Sender 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 body	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Sender 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 Teams	Sublime Security	2y ago Dec 3rd, 2024	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Optical Character Recognition Sender analysis
Brand impersonation: Microsoft Teams invitation	Sublime Security	16d ago Oct 9th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis HTML analysis URL 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: Norton	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Free email provider Impersonation: Brand Social engineering Content analysis File analysis Header analysis Sender analysis
Brand impersonation: Okta	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand Impersonation: OpenAI with ChatGPT Ads lure	Sublime Security	4mo ago Jun 24th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis Whois Content analysis
Brand impersonation: OpenAI with payment issues	Sublime Security	3mo ago Jul 22nd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Paperless Post	Sublime Security	1mo ago Aug 31st, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Content analysis Header analysis HTML analysis Sender analysis URL analysis
Brand Impersonation: PayPal	Sublime Security	24d ago Oct 1st, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis File analysis Header analysis Sender analysis
Brand impersonation: PNC	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand Impersonation: Procore	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Proofpoint secure messaging without legitimate indicators	Sublime Security	4mo ago Jun 26th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis URL analysis
Brand impersonation: Punchbowl	Sublime Security	2mo ago Aug 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis

731 Rules

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