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
Callback phishing via Apple ID display name abuse	Sublime Security	3mo 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	1mo 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	8mo 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	4mo ago May 4th, 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	1mo 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	8mo 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	6d ago Sep 4th, 2026	Callback Phishing Social engineering Natural Language Understanding Header analysis
Canva design with suspicious embedded link	Sublime Security	11mo 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	4mo 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	15d 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	2mo ago Jun 30th, 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	1y ago Aug 7th, 2025	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 Jul 27th, 2026	BEC/Fraud Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Credential Phishing: Bitcoin portfolio confirmation	Sublime Security	14d 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	3mo ago Jun 5th, 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	1y ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis
Credential phishing: Engaging language and other indicators (untrusted sender)	Sublime Security	6d ago Sep 4th, 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	5mo 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	3mo ago Jun 5th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis
Credential phishing: Financial lure via ActiveCampaign infrastructure	Sublime Security	1mo ago Aug 4th, 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	1mo ago Jul 14th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Natural Language Understanding
Credential phishing: Generic document sharing	Sublime Security	1mo ago Aug 7th, 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	8mo 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	1y ago Jul 16th, 2025	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Credential phishing: Onedrive impersonation	Sublime Security	1mo 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	10mo ago Oct 17th, 2025	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 Jul 17th, 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	3mo ago Jun 5th, 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	1mo 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	22d ago Aug 19th, 2026	Credential Phishing Social engineering Evasion Content analysis Natural Language Understanding
Deceptive Dropbox mention	Sublime Security	8mo 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	8mo 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	5mo 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	8mo ago Jan 12th, 2026	BEC/Fraud Impersonation: Employee Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Extortion / sextortion in attachment from untrusted sender	Sublime Security	1mo ago Aug 6th, 2026	Extortion Social engineering Spoofing Computer Vision Content analysis File analysis Natural Language Understanding Optical Character Recognition Sender analysis
Extortion / sextortion (untrusted sender)	Sublime Security	30d ago Aug 11th, 2026	Extortion Social engineering Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis
Fake email quarantine notification	Sublime Security	22d ago Aug 19th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis
Fake message thread with a suspicious link and engaging language from an unknown sender	Sublime Security	3mo ago Jun 5th, 2026	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Fake request for tax preparation	Sublime Security	8mo ago Jan 12th, 2026	BEC/Fraud Malware/Ransomware Social engineering Content analysis Natural Language Understanding Sender analysis
Fake shipping notification with suspicious language	Sublime Security	2y ago May 3rd, 2024	Credential Phishing Spam Evasion Content analysis Natural Language Understanding
Fake thread with suspicious indicators	Sublime Security	2mo ago Jun 17th, 2026	BEC/Fraud Credential Phishing Spam Evasion Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Fake voicemail notification (untrusted sender)	Sublime Security	2mo ago Jun 25th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Fake Zoom meeting invite with suspicious link	Sublime Security	2mo ago Jun 16th, 2026	Credential Phishing Impersonation: Brand Evasion Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Fraudulent order confirmation/shipping notification from Chinese sender domain	Sublime Security	8mo ago Jan 12th, 2026	BEC/Fraud Social engineering Content analysis Natural Language Understanding Sender analysis Whois
Free subdomain link with credential theft indicators	Sublime Security	2y ago Dec 12th, 2024	Credential Phishing Free subdomain host Content analysis Header analysis Natural Language Understanding Optical Character Recognition URL analysis URL screenshot
Google Accelerated Mobile Pages (AMP) abuse	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Open redirect Computer Vision Content analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis URL screenshot
Google Drive abuse: Credential phishing link	Sublime Security	2y ago Jul 31st, 2024	Credential Phishing Free file host Impersonation: Brand Computer Vision Natural Language Understanding Optical Character Recognition Sender analysis URL analysis URL screenshot
Headers: Self-sender using Microsoft CompAuth bypass with credential theft content	Sublime Security	4mo ago Apr 27th, 2026	Credential Phishing Spoofing Evasion Natural Language Understanding Header analysis Sender analysis

283 Rules

Page 3 of 6