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 Jul 25th, 2026

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Attachment: Single-page PDF with S3-hosted HTML link	Sublime Security	10d ago Jul 16th, 2026	Credential Phishing PDF Free file host Evasion File analysis Exif analysis URL analysis
Attachment: Small text file with link containing recipient email address	Sublime Security	2mo ago May 14th, 2026	Credential Phishing Evasion Social engineering File analysis URL analysis
Body: Fake secure email portal with HTML obfuscation	Sublime Security	1mo ago Jun 18th, 2026	Credential Phishing Evasion Social engineering Spoofing Content analysis HTML analysis URL analysis Sender analysis Threat intelligence
Brand impersonation: AliExpress	Sublime Security	11mo ago Aug 5th, 2025	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis URL analysis
Brand impersonation: Bids & Tenders	Sublime Security	5d ago Jul 21st, 2026	Credential Phishing Impersonation: Brand Spoofing Social engineering Sender analysis URL analysis Content analysis
Brand impersonation: Chase bank with credential phishing indicators	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: Cloud services with credential theft intent	Sublime Security	30d ago Jun 26th, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Brand impersonation: Coinbase with suspicious links	Sublime Security	10mo ago Sep 22nd, 2025	Credential Phishing Evasion Free subdomain host Image as content Impersonation: Brand Computer Vision Content analysis File analysis URL analysis
Brand impersonation: DocuSign	Sublime Security	1mo ago Jun 1st, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Spoofing Header analysis Sender analysis URL analysis
Brand impersonation: DocuSign PDF attachment with suspicious link	Sublime Security	9mo 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	1mo ago Jun 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis Header analysis Sender analysis URL analysis
Brand impersonation: Fake Fax	Sublime Security	1mo ago Jun 17th, 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: Figma with malicious document access overlay	Sublime Security	1mo ago May 27th, 2026	Credential Phishing Impersonation: Brand Social engineering Image as content Sender analysis HTML analysis URL screenshot Optical Character Recognition URL analysis
Brand Impersonation: Gemini Trust Company	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis Sender analysis Header analysis
Brand impersonation: Google Careers	Sublime Security	8mo 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	30d ago Jun 26th, 2026	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	6mo 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	5mo ago Feb 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis
Brand impersonation: Google Workspace alert notification	Sublime Security	7mo ago Dec 2nd, 2025	Credential Phishing Impersonation: Brand Social engineering Lookalike domain Header analysis Content analysis Sender analysis URL analysis
Brand impersonation: Government / Tax Authority document lure	Sublime Security	12d ago Jul 14th, 2026	Credential Phishing Impersonation: Brand Free subdomain host Social engineering Lookalike domain Sender analysis URL analysis Natural Language Understanding Content analysis Threat intelligence
Brand impersonation: LastPass	Sublime Security	4mo 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	1mo ago Jun 5th, 2026	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	1mo ago Jun 5th, 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	30d ago Jun 26th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis HTML analysis URL analysis
Brand impersonation: Microsoft with low reputation links	Sublime Security	1mo ago Jun 5th, 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	5mo 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	2mo ago May 18th, 2026	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	30d ago Jun 26th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis URL analysis
Brand impersonation: Purdue ePlanroom with suspicious links	Sublime Security	7mo ago Dec 2nd, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Brand impersonation: Robinhood	Sublime Security	1mo ago Jun 5th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL analysis
Brand impersonation: Sharepoint fake file share	Sublime Security	6mo 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	2mo 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: Social Security Administration	Sublime Security	6d ago Jul 20th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Brand impersonation: Stripe notification	Sublime Security	10mo 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	6mo 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	1mo 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 via lookalike domain	Sublime Security	1mo ago Jun 22nd, 2026	Credential Phishing Impersonation: Brand Free email provider Social engineering URL analysis Sender analysis
Brand impersonation: Zoom with deceptive link display	Sublime Security	3mo ago Apr 1st, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Content analysis URL analysis
Callback phishing via Adobe Sign comment	Sublime Security	2mo ago May 4th, 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	6mo 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	6mo 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	6mo 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	6mo 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	9mo 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	11mo ago Aug 5th, 2025	Malware/Ransomware Free file host Social engineering Header analysis Sender analysis URL analysis
ClickFunnels link infrastructure abuse	Sublime Security	1mo ago Jun 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	26d 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	11mo ago Aug 7th, 2025	Credential Phishing Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis
Credential phishing: AWS Lambda URL with recipient targeting	Sublime Security	1mo ago May 28th, 2026	Credential Phishing Free subdomain host Social engineering URL analysis Content analysis
Credential phishing: Blue button styled link with file-sharing template artifacts	Sublime Security	18d ago Jul 8th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis URL analysis

502 Rules

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