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 Apr 24th, 2026

Feed Source

GitHub

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Brand impersonation: Stripe notification	Sublime Security	7mo 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 Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Survey request with credential theft indicators	Sublime Security	2mo ago Feb 20th, 2026	Credential Phishing Social engineering Impersonation: Brand Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis
Brand impersonation: TikTok	Sublime Security	2mo ago Feb 12th, 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	22d 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	8mo ago Aug 5th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Natural Language Understanding Sender analysis Header analysis
Brand impersonation: TurboTax	Sublime Security	10mo ago Jun 12th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Twitter	Sublime Security	5mo ago Nov 13th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: UK government Home Office	Sublime Security	3mo 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	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis
Brand impersonation: UPS	Sublime Security	7mo ago Sep 22nd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Sender analysis
Brand impersonation: USPS	Sublime Security	12d ago Apr 13th, 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	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis
Brand impersonation: Wells Fargo	Sublime Security	10d ago Apr 15th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Sender analysis
Brand impersonation: Wise	Sublime Security	4mo ago Dec 12th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Brand impersonation: Wix	Sublime Security	1mo ago Mar 16th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis
Brand impersonation: Xodo Sign	Sublime Security	3mo ago Jan 16th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Brand impersonation: Zoom	Sublime Security	7mo ago Sep 22nd, 2025	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	1mo ago Feb 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis
Brand impersonation: Zoom via lookalike domain	Sublime Security	18d ago Apr 7th, 2026	Credential Phishing Impersonation: Brand Free email provider Social engineering URL analysis Sender analysis
Business Email Compromise (BEC) attempt from unsolicited sender	Sublime Security	9mo 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	3mo 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	9mo ago Jul 16th, 2025	BEC/Fraud Social engineering Content analysis Header analysis Sender analysis
Business Email Compromise (BEC) with request for mobile number	Sublime Security	30d ago Mar 26th, 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	7h ago Apr 24th, 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	3mo ago Jan 12th, 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	6mo ago Oct 17th, 2025	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Header analysis Natural Language Understanding Optical Character Recognition Whois
Callback phishing in body or attachment (untrusted sender)	Sublime Security	29d ago Mar 27th, 2026	Callback Phishing Out of band pivot Social engineering Content analysis File analysis Optical Character Recognition Natural Language Understanding Sender analysis
Callback phishing: Social Security Administration fraud	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Evasion Free email provider Out of band pivot PDF Social engineering Exif analysis File analysis Optical Character Recognition Sender analysis
Callback phishing solicitation in message body	Sublime Security	6mo ago Oct 17th, 2025	Callback Phishing Free email provider Impersonation: Brand Out of band pivot Social engineering File analysis Sender analysis
Callback phishing: SumUp infrastructure abuse	Sublime Security	7mo ago Sep 5th, 2025	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis
Callback phishing via Adobe Sign comment	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Evasion Impersonation: Brand Out of band pivot Social engineering Content analysis Computer Vision Header analysis Sender analysis URL analysis
Callback phishing via Apple ID display name abuse	Sublime Security	17d ago Apr 8th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Callback phishing via calendar invite	Sublime Security	3mo ago Jan 22nd, 2026	Callback Phishing Social engineering Evasion File analysis Header analysis Natural Language Understanding Sender analysis
Callback phishing via DocuSign comment	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Evasion Impersonation: Brand Out of band pivot Social engineering Content analysis Computer Vision Header analysis Sender analysis URL analysis
Callback phishing via e-signature service	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Free email provider Impersonation: Brand Social engineering Content analysis Computer Vision Header analysis Optical Character Recognition
Callback phishing via extensionless rfc822 attachment	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Impersonation: Brand Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis
Callback phishing via Google Group abuse	Sublime Security	9mo ago Jul 16th, 2025	Callback Phishing Free email provider Impersonation: Brand Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis
Callback phishing via Intuit service abuse	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Evasion Free email provider Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Optical Character Recognition
Callback phishing via Microsoft comment	Sublime Security	12d ago Apr 13th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Callback Phishing via Signable E-Signature Request	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Exploit Impersonation: Brand Out of band pivot Social engineering Computer Vision Content analysis Header analysis Sender analysis URL analysis
Callback phishing via SignFree e-signature request	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Exploit Impersonation: Brand Out of band pivot Social engineering Computer Vision Content analysis Header analysis Sender analysis URL analysis
Callback phishing via Xodo Sign comment	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Exploit Impersonation: Brand Out of band pivot Social engineering Computer Vision Content analysis Header analysis Sender analysis URL analysis
Callback phishing via Yammer comment	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Header analysis
Callback phishing via Zelle Service Abuse	Sublime Security	3mo ago Jan 12th, 2026	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis
Callback phishing via Zoho service abuse	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Evasion Free email provider Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Optical Character Recognition
Callback Phishing via Zoom comment	Sublime Security	2mo ago Feb 11th, 2026	Callback Phishing Out of band pivot Social engineering Impersonation: Brand Computer Vision Content analysis Header analysis Sender analysis

564 Rules

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