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
Service abuse: Apple TestFlight with suspicious developer reference	Sublime Security	8mo ago Feb 6th, 2026	Spam Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis URL analysis
Service abuse: EventCreate links to newly registered domains	Sublime Security	1mo ago Aug 31st, 2026	Credential Phishing Out of band pivot URL analysis Whois HTML analysis
Service abuse: Filemail file-sharing notifications	Sublime Security	9d ago Oct 16th, 2026	Malware/Ransomware BEC/Fraud Free file host Social engineering Spoofing Header analysis HTML analysis Content analysis
Service abuse: Google Firebase sender address with suspicious content	Sublime Security	4mo ago Jun 18th, 2026	Spam Credential Phishing Free subdomain host Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis URL analysis Whois
Service abuse: HelloSign from an unsolicited sender address	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service abuse: HungerRush domain with SendGrid tracking targeting ProtonMail	Sublime Security	7mo ago Mar 4th, 2026	BEC/Fraud Evasion Sender analysis HTML analysis Content analysis
Service abuse: Lovable-hosted redirect to external phishing page	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing Social engineering Open redirect Free subdomain host URL analysis HTML analysis Content analysis
Service abuse: Meetup.com redirect with brand impersonation	Sublime Security	6mo ago Apr 15th, 2026	Credential Phishing Open redirect Impersonation: Brand Evasion URL analysis HTML analysis Content analysis Sender analysis
Service abuse: Oracle Cloud Workflow callback scam	Sublime Security	3mo ago Jul 10th, 2026	Callback Phishing Social engineering Impersonation: Brand Sender analysis HTML analysis Natural Language Understanding
Service abuse: Self-service platform redirecting to newly registered suspicious domain	Sublime Security	24d ago Oct 1st, 2026	Credential Phishing Out of band pivot Evasion URL analysis Whois HTML analysis
Service abuse: Soundestlink.com Microsoft impersonation	Sublime Security	2mo ago Aug 17th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering URL analysis Content analysis HTML analysis
Service abuse: Soundestlink redirect with suspicious indicators	Sublime Security	2mo ago Aug 11th, 2026	Credential Phishing Malware/Ransomware Evasion Header analysis HTML analysis
Service abuse: Substack credential theft with confusable characters and branded button redirects	Sublime Security	7mo ago Mar 19th, 2026	Credential Phishing Social engineering Evasion Sender analysis HTML analysis Natural Language Understanding URL analysis
Service abuse: SurveyMonkey with suspicious outbound links	Sublime Security	3mo ago Jul 8th, 2026	Credential Phishing Social engineering Impersonation: Brand Content analysis HTML analysis Sender analysis URL analysis
Service abuse: Suspicious Zoom Docs link	Sublime Security	10mo ago Dec 2nd, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service abuse: Trello board invitation with VIP impersonation	Sublime Security	16d ago Oct 9th, 2026	Credential Phishing Impersonation: VIP Social engineering Content analysis Header analysis HTML analysis Sender analysis
Service abuse: Wufoo credential theft	Sublime Security	2mo ago Aug 5th, 2026	Credential Phishing Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis
Sharepoint link likely unrelated to sender	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Credential Phishing Impersonation: Employee Lookalike domain OneNote PDF Social engineering URL analysis Sender analysis Header analysis HTML analysis
Spam: Commonly observed formatting of unauthorized free giveaways	Sublime Security	9mo ago Jan 14th, 2026	Spam Impersonation: Brand Social engineering Content analysis HTML analysis Sender analysis URL analysis
Spam: Item giveaway spam template	Sublime Security	1mo ago Sep 23rd, 2026	Spam Image as content Content analysis HTML analysis Sender analysis Exif analysis
Spoofing: Hidden Outlook headers in self-addressed forwards	Sublime Security	19d ago Oct 6th, 2026	BEC/Fraud Credential Phishing Spoofing Evasion Impersonation: Employee Social engineering Header analysis HTML analysis XML analysis Sender analysis Natural Language Understanding
URI protocol handler: search-ms	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion File analysis HTML analysis
Venmo payment request abuse	Sublime Security	5mo ago May 4th, 2026	Callback Phishing BEC/Fraud Social engineering Impersonation: Brand Evasion Natural Language Understanding Content analysis Sender analysis HTML analysis
VIP impersonation: VIP recipient of previous thread with HTML generator	Sublime Security	3mo ago Jul 7th, 2026	BEC/Fraud Impersonation: VIP Social engineering Evasion HTML analysis Content analysis Sender analysis
Zoom Events newsletter abuse	Sublime Security	3mo ago Jul 8th, 2026	Credential Phishing Free file host Free subdomain host Social engineering Impersonation: Brand Header analysis HTML analysis Natural Language Understanding URL analysis

175 Rules

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