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: TikTok	Sublime Security	1mo ago Sep 23rd, 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	1mo ago Sep 23rd, 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	1mo ago Sep 23rd, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Natural Language Understanding Sender analysis Header analysis
Brand impersonation: UK government Home Office	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Lookalike domain Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: United States Patent and Trademark Office	Sublime Security	2mo ago Aug 25th, 2026	BEC/Fraud Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: USPS	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Image as content Impersonation: Brand Social engineering Computer Vision Content analysis Natural Language Understanding Sender analysis
Brand impersonation: Vanguard	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Impersonation: Brand Natural Language Understanding Header analysis Sender analysis
Brand impersonation: Wise	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Brand impersonation: Zoom	Sublime Security	4mo ago Jun 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Evasion Computer Vision Content analysis HTML analysis Natural Language Understanding URL analysis
Business Email Compromise (BEC) attempt from untrusted sender	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Business Email Compromise (BEC) with request for mobile number	Sublime Security	1mo 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	11d ago Oct 14th, 2026	BEC/Fraud Social engineering Content analysis Natural Language Understanding Sender analysis
Callback phishing: Branded invoice from sender/reply-to domain less than 30 days old	Sublime Security	1y 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	2mo ago Aug 5th, 2026	Callback Phishing Out of band pivot Social engineering Content analysis File analysis Optical Character Recognition Natural Language Understanding Sender analysis
Callback phishing via Apple ID display name abuse	Sublime Security	4mo ago Jun 11th, 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	2mo ago Aug 7th, 2026	Callback Phishing Social engineering Evasion ICS Phishing File analysis Header analysis Natural Language Understanding Sender analysis
Callback phishing via extensionless rfc822 attachment	Sublime Security	1mo ago Sep 23rd, 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	1mo ago Sep 23rd, 2026	Callback Phishing Free email provider Impersonation: Brand Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis
Callback phishing via Microsoft comment	Sublime Security	2mo ago Jul 27th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Callback phishing via Yammer comment	Sublime Security	9mo ago Jan 12th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Header analysis
Callback Scam: Outlook groups	Sublime Security	1mo ago Sep 4th, 2026	Callback Phishing Social engineering Natural Language Understanding Header analysis
Canva design with suspicious embedded link	Sublime Security	1y ago Sep 29th, 2025	Credential Phishing Evasion Social engineering Free file host HTML analysis URL analysis Natural Language Understanding Sender analysis
Canva infrastructure abuse	Sublime Security	5mo ago May 4th, 2026	BEC/Fraud Callback Phishing Social engineering Impersonation: Brand Impersonation: Employee Free email provider Natural Language Understanding Sender analysis Content analysis
ClickFix: Clipboard hijack lure with copy-paste-to-terminal instruction	Sublime Security	1mo ago Aug 26th, 2026	Malware/Ransomware Credential Phishing Evasion Social engineering Scripting Content analysis Natural Language Understanding Sender analysis URL analysis
Cloud storage impersonation with credential theft indicators	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Free file host Image as content Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis
Commonly abused sender TLD with engaging language	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis
COVID-19 themed fraud with sender and reply-to mismatch or compensation award	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Credential Phishing: Bitcoin portfolio confirmation	Sublime Security	1mo ago Aug 27th, 2026	Credential Phishing BEC/Fraud Social engineering Content analysis Natural Language Understanding Header analysis
Credential phishing: DocuSign embedded image lure with no DocuSign domains in links	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Credential phishing: Email delivery failure impersonation	Sublime Security	24d ago Oct 1st, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Credential phishing: Engaging language and other indicators (untrusted sender)	Sublime Security	24d ago Oct 1st, 2026	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Credential phishing: Engaging language with IPFS link	Sublime Security	2y ago May 3rd, 2024	Credential Phishing Free file host Free subdomain host IPFS Content analysis Natural Language Understanding URL analysis
Credential phishing: Fake card notification with tracking lure	Sublime Security	7mo ago Mar 24th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding URL analysis Sender analysis
Credential phishing: Fake password expiration from new and unsolicited sender	Sublime Security	27d ago Sep 28th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis
Credential phishing: Financial lure via ActiveCampaign infrastructure	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Credential phishing: Generic document share with unicode and proceedural greeting template	Sublime Security	3mo ago Jul 14th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Natural Language Understanding
Credential phishing: Generic document sharing	Sublime Security	21d ago Oct 4th, 2026	Credential Phishing BEC/Fraud Social engineering Evasion Impersonation: Employee Content analysis Natural Language Understanding URL analysis Sender analysis
Credential phishing: Image as content, short or no body contents	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Image as content Computer Vision Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition
Credential phishing language and suspicious indicators (unknown sender)	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Credential phishing: Onedrive impersonation	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing Free subdomain host Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding URL analysis
Credential phishing: Re-Authentication lure	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Social engineering Impersonation: Brand Natural Language Understanding Content analysis URL analysis Header analysis Sender analysis
Credential phishing: 'Secure message' and engaging language	Sublime Security	1mo ago Sep 18th, 2026	Credential Phishing Social engineering Natural Language Understanding Sender analysis
Credential Phishing: Suspicious language, link, recipients and other indicators	Sublime Security	1y ago Jul 16th, 2025	Credential Phishing Evasion Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Credential phishing: Suspicious subject with urgent financial request and link	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Credential theft: JavaScript date manipulation in HTML body	Sublime Security	2mo ago Jul 28th, 2026	Credential Phishing Evasion Scripting Social engineering HTML analysis Javascript analysis Natural Language Understanding
Credential theft with 'safe content' deception and social engineering topics	Sublime Security	2mo ago Aug 19th, 2026	Credential Phishing Social engineering Evasion Content analysis Natural Language Understanding
Deceptive Dropbox mention	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Free file host Free subdomain host Social engineering Header analysis Content analysis Natural Language Understanding Sender analysis URL analysis
Domain impersonation: Freemail reply-to local lookalike with financial request	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
EML attachment with credential theft language (unknown sender)	Sublime Security	7mo ago Mar 17th, 2026	Credential Phishing Evasion Social engineering Natural Language Understanding Sender analysis Content analysis Header analysis
Employee impersonation with urgent request (untrusted sender)	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Impersonation: Employee Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis

312 Rules

Page 3 of 7