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 Sep 9th, 2026

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Brand impersonation: Gusto	Sublime Security	6mo ago Feb 18th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand impersonation: Hulu	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Spam Free email provider Impersonation: Brand Lookalike domain Social engineering Computer Vision Header analysis Sender analysis
Brand impersonation: Interac	Sublime Security	2y ago Sep 16th, 2024	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 Jul 27th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: KnowBe4	Sublime Security	2y ago Nov 25th, 2024	Credential Phishing Spam Free email provider Impersonation: Brand Lookalike domain Social engineering Computer Vision Header analysis Sender analysis
Brand impersonation: LastPass	Sublime Security	6mo ago Mar 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Header analysis
Brand impersonation: Ledger	Sublime Security	1y ago Jan 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: LinkedIn	Sublime Security	1mo ago Aug 7th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: Mailchimp	Sublime Security	1mo ago Jul 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Content analysis Header analysis Sender analysis
Brand impersonation: Mailgun	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing BEC/Fraud Impersonation: Brand Sender analysis
Brand impersonation: Marriott with gift language	Sublime Security	7mo ago Feb 2nd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: McAfee	Sublime Security	14d 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: Meta and subsidiaries	Sublime Security	2d ago Sep 8th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: MetaMask	Sublime Security	11mo ago Sep 22nd, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Sender analysis Header analysis
Brand impersonation: Microsoft	@amitchell516	24d ago Aug 17th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Microsoft fake sign-in alert	Sublime Security	1mo 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	9mo ago Dec 10th, 2025	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	3mo 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	29d ago Aug 12th, 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 (QR code)	Sublime Security	1mo ago Jul 27th, 2026	Credential Phishing Impersonation: Brand PDF QR code Social engineering Computer Vision Header analysis QR code analysis Sender analysis
Brand impersonation: Microsoft quarantine release notification in body	Sublime Security	1y ago Jul 16th, 2025	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	1y ago Jul 16th, 2025	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 with embedded logo and credential theft language	Sublime Security	1mo ago Aug 4th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Sender analysis
Brand impersonation: Microsoft with low reputation links	Sublime Security	14d ago Aug 27th, 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	2d ago Sep 8th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Brand impersonation: MyChart	Sublime Security	6d ago Sep 4th, 2026	Credential Phishing Spam Impersonation: Brand Social engineering Spoofing Content analysis Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Navan	Sublime Security	7mo ago Feb 9th, 2026	Credential Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Natural Language Understanding URL analysis Content analysis
Brand impersonation: Netflix	min0k	24d ago Aug 17th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: Norton	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Free email provider Impersonation: Brand Social engineering Content analysis File analysis Header analysis Sender analysis
Brand impersonation: Office 365 mail service	Sublime Security	3mo ago May 15th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Okta	Sublime Security	1mo ago Aug 4th, 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	2mo ago Jun 24th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis Whois Content analysis
Brand impersonation: OpenAI with payment issues	Sublime Security	1mo ago Jul 22nd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Outlook	Sublime Security	2y ago May 29th, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: Paperless Post	Sublime Security	10d 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	1mo ago Aug 7th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis File analysis Header analysis Sender analysis
Brand impersonation: PNC	Sublime Security	11mo ago Oct 9th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand Impersonation: Procore	Sublime Security	3mo ago Jun 5th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Punchbowl	Sublime Security	1mo ago Aug 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Brand impersonation: Purdue ePlanroom with suspicious links	Sublime Security	9mo ago Dec 2nd, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Brand impersonation: QuickBooks	Sublime Security	23d ago Aug 18th, 2026	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand impersonation: QuickBooks dispute notification	Sublime Security	3mo ago Jun 10th, 2026	BEC/Fraud Impersonation: Brand Content analysis Sender analysis Header analysis
Brand impersonation: QuickBooks notification from Intuit themed company name	Sublime Security	8mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis
Brand impersonation: Ripple	Sublime Security	3mo ago May 15th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis
Brand impersonation: Robert Half	Sublime Security	11mo ago Oct 1st, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand impersonation: Robinhood	Sublime Security	14d ago Aug 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL analysis
Brand impersonation: Sedgwick Claims	Sublime Security	16d ago Aug 25th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Spoofing Social engineering Natural Language Understanding Sender analysis Header analysis
Brand impersonation: SendGrid	Sublime Security	1mo 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: ShareFile	Sublime Security	2d ago Sep 8th, 2026	Credential Phishing Impersonation: Brand Evasion Lookalike domain Header analysis Content analysis Sender analysis

753 Rules

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