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
URLhaus: Malicious domain in message body or pdf attachment (trusted reporters)	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware PDF File analysis Threat intelligence URL analysis
URL with Unicode U+2044 (⁄) or U+2215 (∕) characters	@delivr_to	30d ago Aug 11th, 2026	Credential Phishing Evasion Social engineering Content analysis URL analysis
Vendor compromise: GovDelivery message with suspicious link	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free subdomain host IPFS Social engineering Evasion Impersonation: Brand Natural Language Understanding URL analysis Whois
VIP Impersonation: VIP handoff with fake forwarded invoice thread	Sublime Security	24d ago Aug 17th, 2026	BEC/Fraud Impersonation: VIP Social engineering Spoofing Out of band pivot Header analysis Content analysis URL analysis Sender analysis
Xero infrastructure abuse	Sublime Security	10mo ago Nov 3rd, 2025	Credential Phishing Evasion Social engineering Content analysis Header analysis Natural Language Understanding URL analysis
Zoom Events newsletter abuse	Sublime Security	2mo 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

556 Rules

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