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

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
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: KnowBe4	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Spam Free email provider Impersonation: Brand Lookalike domain Social engineering Computer Vision Header analysis 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: 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 Sep 23rd, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender 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: Meta and subsidiaries	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis 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	@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 image linking to free file host	Sublime Security	2mo ago Aug 21st, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Image as content Free file host Social engineering Computer Vision Optical Character Recognition Exif analysis HTML analysis URL analysis
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 (QR code)	Sublime Security	2mo 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	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 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: Netflix	min0k	1mo ago Sep 11th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender 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: Office 365 mail service	Sublime Security	5mo ago May 15th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering 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: Outlook	Sublime Security	2y ago May 29th, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender 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
Brand impersonation: Purdue ePlanroom with suspicious links	Sublime Security	10mo ago Dec 2nd, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Brand impersonation: QuickBooks	Sublime Security	12d ago Oct 13th, 2026	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Sender analysis
Brand impersonation: QuickBooks notification from Intuit themed company name	Sublime Security	9mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis
Brand impersonation: Ripple	Sublime Security	5mo ago May 15th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis
Brand impersonation: Robert Half	Sublime Security	1y 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	1mo ago Aug 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL 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 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

850 Rules

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