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

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Brand impersonation: DocuSign PDF attachment with suspicious link	Sublime Security	6mo ago Oct 22nd, 2025	Credential Phishing Impersonation: Brand PDF Social engineering File analysis Natural Language Understanding Optical Character Recognition URL analysis
Brand impersonation: Fake DocuSign HTML table not linking to DocuSign domains	Sublime Security	4mo ago Dec 10th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis Header analysis Sender analysis URL analysis
Brand impersonation: Fake Fax	Sublime Security	2mo ago Feb 5th, 2026	Credential Phishing Impersonation: Brand Image as content Free file host Free subdomain host Social engineering Computer Vision Content analysis Optical Character Recognition Sender analysis URL analysis
Brand Impersonation: Gemini Trust Company	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis Sender analysis Header analysis
Brand impersonation: Google Careers	Sublime Security	5mo ago Nov 12th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL analysis
Brand impersonation: Google Drive fake file share	Sublime Security	4mo ago Dec 19th, 2025	Credential Phishing Malware/Ransomware Impersonation: Brand Social engineering Content analysis Header analysis URL analysis Computer Vision
Brand impersonation: Google fake sign-in warning	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Optical Character Recognition Sender analysis URL analysis
Brand impersonation: Google Meet with malicious link	Sublime Security	2mo ago Feb 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis
Brand impersonation: Google Workspace alert notification	Sublime Security	4mo ago Dec 2nd, 2025	Credential Phishing Impersonation: Brand Social engineering Lookalike domain Header analysis Content analysis Sender analysis URL analysis
Brand impersonation: LastPass	Sublime Security	1mo ago Mar 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Header analysis
Brand impersonation: Microsoft logo or suspicious language with open redirect	Sublime Security	2y ago Mar 7th, 2024	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	2mo ago Feb 6th, 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 Teams invitation	Sublime Security	2mo ago Feb 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis HTML analysis URL analysis
Brand impersonation: Microsoft with low reputation links	Sublime Security	3mo ago Jan 12th, 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: Navan	Sublime Security	2mo ago Feb 9th, 2026	Credential Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Natural Language Understanding URL analysis Content analysis
Brand impersonation: Paperless Post	Sublime Security	5mo ago Nov 6th, 2025	Credential Phishing Malware/Ransomware Impersonation: Brand Content analysis Header analysis HTML analysis Sender analysis URL analysis
Brand impersonation: Proofpoint secure messaging without legitimate indicators	Sublime Security	5mo ago Nov 17th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis URL analysis
Brand impersonation: Purdue ePlanroom with suspicious links	Sublime Security	4mo ago Dec 2nd, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Brand impersonation: Robinhood	Sublime Security	29d ago Mar 26th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL analysis
Brand impersonation: Sharepoint fake file share	Sublime Security	3mo 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	5mo ago Nov 7th, 2025	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: 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: 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: 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 via lookalike domain	Sublime Security	17d ago Apr 7th, 2026	Credential Phishing Impersonation: Brand Free email provider Social engineering URL analysis Sender analysis
Brand impersonation: Zoom with deceptive link display	Sublime Security	23d ago Apr 1st, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Content analysis URL 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 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 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
Canva design with suspicious embedded link	Sublime Security	6mo ago Sep 29th, 2025	Credential Phishing Evasion Social engineering Free file host HTML analysis URL analysis Natural Language Understanding Sender analysis
Catbox.moe link from untrusted source	Sublime Security	8mo ago Aug 5th, 2025	Malware/Ransomware Free file host Social engineering Header analysis Sender analysis URL analysis
ClickFunnels link infrastructure abuse	Sublime Security	2mo ago Feb 5th, 2026	Credential Phishing Free email provider Free subdomain host Social engineering Content analysis Header analysis QR code analysis Sender analysis URL analysis
Cloud storage impersonation with credential theft indicators	Sublime Security	1d ago Apr 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	8mo ago Aug 7th, 2025	Credential Phishing Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis
Credential phishing: Blue button styled link with file-sharing template artifacts	Sublime Security	1mo ago Mar 9th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis URL analysis
Credential phishing content and link (untrusted sender)	Sublime Security	4mo ago Dec 17th, 2025	Credential Phishing Social engineering Computer Vision Sender analysis URL analysis URL screenshot
Credential phishing: Engaging language and other indicators (untrusted sender)	Sublime Security	3mo ago Jan 12th, 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	1mo ago Mar 24th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding URL analysis Sender analysis
Credential phishing: Generic document sharing	Sublime Security	2mo ago Feb 14th, 2026	Credential Phishing BEC/Fraud Social engineering Evasion Impersonation: Employee Content analysis Natural Language Understanding URL analysis Sender analysis
Credential phishing: Hyper-linked image leading to free file host	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Evasion Free file host Image as content Social engineering Content analysis Header analysis Sender analysis URL analysis
Credential phishing language and suspicious indicators (unknown sender)	Sublime Security	9mo ago Jul 16th, 2025	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Credential phishing link (unknown sender)	Sublime Security	9mo ago Jul 16th, 2025	Credential Phishing Social engineering Computer Vision Sender analysis URL analysis URL screenshot
Credential phishing: Onedrive impersonation	Sublime Security	3mo ago Jan 12th, 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	6mo ago Oct 17th, 2025	Credential Phishing Social engineering Impersonation: Brand Natural Language Understanding Content analysis URL analysis Header analysis Sender analysis
Credential phishing: Suspicious e-sign agreement document notification	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Social engineering Content analysis Header analysis HTML analysis URL analysis Sender analysis
Credential Phishing: Suspicious language, link, recipients and other indicators	Sublime Security	9mo ago Jul 16th, 2025	Credential Phishing Evasion Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Credential phishing: Tax form impersonation with payment request	Sublime Security	2mo ago Feb 13th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering PDF Content analysis Header analysis Sender analysis URL analysis

442 Rules

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