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

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GitHub

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
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: Sharepoint	Sublime Security	23d ago Aug 18th, 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	8mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Social engineering Content analysis Header analysis URL analysis Computer Vision
Brand impersonation: SharePoint PDF attachment with credential theft language	Sublime Security	4mo ago May 4th, 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 Jul 27th, 2026	Credential Phishing Spam Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Silicon Valley Bank	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis Whois
Brand impersonation: SiriusXM	Sublime Security	1mo ago Aug 4th, 2026	Callback Phishing Credential Phishing Spam Free email provider Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Social Security Administration	Sublime Security	30d ago Aug 11th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Brand impersonation: SoFi	Sublime Security	1mo ago Aug 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis Natural Language Understanding URL analysis
Brand impersonation: Spotify	Sublime Security	22d ago Aug 19th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Square	Sublime Security	1mo ago Jul 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Squarespace	Sublime Security	1mo ago Jul 15th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis
Brand impersonation: State Farm	Sublime Security	14d ago Aug 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Spoofing Header analysis Sender analysis
Brand impersonation: Stellar Development Foundation (SDF)	Sublime Security	1y ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Sender analysis
Brand Impersonation: Stripe	Sublime Security	2mo ago Jul 7th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: Stripe notification	Sublime Security	11mo ago Sep 26th, 2025	Credential Phishing Evasion Impersonation: Brand Social engineering Content analysis Header analysis URL analysis Whois
Brand impersonation: Sublime Security	Sublime Security	3mo ago May 18th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Survey request with credential theft indicators	Sublime Security	2d ago Sep 8th, 2026	Credential Phishing Social engineering Impersonation: Brand Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis
Brand impersonation: TikTok	Sublime Security	10d ago Aug 31st, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Toronto-Dominion Bank	Sublime Security	5mo ago Apr 3rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Brand impersonation: Trust Wallet	Sublime Security	4mo ago May 4th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Natural Language Understanding Sender analysis Header analysis
Brand impersonation: TurboTax	Sublime Security	1y ago Jun 12th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Twitter	Sublime Security	10mo ago Nov 13th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: UK government Home Office	Sublime Security	8mo ago Jan 12th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Lookalike domain Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: ukr[.]net	Sublime Security	3y ago Aug 21st, 2023	Credential Phishing Impersonation: Brand Social engineering Sender analysis Threat intelligence
Brand impersonation: United Healthcare	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis
Brand impersonation: United States Patent and Trademark Office	Sublime Security	16d ago Aug 25th, 2026	BEC/Fraud Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: UPS	Sublime Security	16d ago Aug 25th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Sender analysis
Brand impersonation: USPS	Sublime Security	8d ago Sep 2nd, 2026	Credential Phishing Image as content Impersonation: Brand Social engineering Computer Vision Content analysis Natural Language Understanding Sender analysis
Brand impersonation: Vanta	@itsRobPicard	2y ago Apr 23rd, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Venmo	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Wells Fargo	Sublime Security	4mo ago Apr 15th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Sender analysis
Brand impersonation: Wise	Sublime Security	9mo ago Dec 12th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Brand impersonation: Wix	Sublime Security	2mo ago Jul 10th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: Xodo Sign	Sublime Security	7mo ago Jan 16th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Zoom	Sublime Security	3mo ago Jun 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Evasion Computer Vision Content analysis HTML analysis Natural Language Understanding URL analysis
Brand impersonation: Zoom (strict)	Sublime Security	2y ago Aug 4th, 2024	Credential Phishing Impersonation: Brand Social engineering Sender analysis
Brand impersonation: Zoom via HTML styling	Sublime Security	6mo ago Feb 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis
Brand impersonation: Zoom via lookalike domain	Sublime Security	2mo ago Jun 22nd, 2026	Credential Phishing Impersonation: Brand Free email provider Social engineering URL analysis Sender analysis
Business Email Compromise (BEC) attempt from unsolicited sender	Sublime Security	1y ago Jul 16th, 2025	BEC/Fraud Social engineering Spoofing Content analysis File analysis Header analysis Sender analysis
Business Email Compromise (BEC) attempt from untrusted sender	Sublime Security	8mo ago Jan 12th, 2026	BEC/Fraud Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Business Email Compromise (BEC) attempt from untrusted sender (French/Français)	Sublime Security	3mo ago Jun 5th, 2026	BEC/Fraud Social engineering Content analysis Header analysis Sender analysis
Business Email Compromise (BEC) with request for mobile number	Sublime Security	8d ago Sep 2nd, 2026	BEC/Fraud Social engineering Content analysis Natural Language Understanding Sender analysis
Business Email Compromise: Request for mobile number via reply thread hijacking	Sublime Security	16d ago Aug 25th, 2026	BEC/Fraud Social engineering Content analysis Natural Language Understanding Sender analysis
Callback phishing: AOL senders with suspicious HTML template or PDF attachment	Sublime Security	4mo ago May 4th, 2026	Callback Phishing Free email provider Social engineering Content analysis Header analysis File analysis HTML analysis Exif analysis Sender analysis
Callback phishing: Branded invoice from sender/reply-to domain less than 30 days old	Sublime Security	10mo ago Oct 17th, 2025	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Header analysis Natural Language Understanding Optical Character Recognition Whois

764 Rules

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