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

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Link: GoPhish query param values	Sublime Security	8mo ago Jan 5th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis
Link: Hotel booking spoofed display URL	Sublime Security	1mo ago Jul 29th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering URL analysis Sender analysis
Link: HTML file with suspicious binary fragment ending pattern	Sublime Security	7mo ago Jan 29th, 2026	Credential Phishing Evasion URL analysis
Link: Invalid reply-to with recipient details in subject, body, and encoded link	Sublime Security	1mo ago Jul 16th, 2026	Credential Phishing BEC/Fraud Social engineering Evasion Spoofing Header analysis Content analysis URL analysis Sender analysis
Link: IPv4-mapped IPv6 address obfuscation	Sublime Security	5mo ago Mar 17th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: JavaScript obfuscation with Telegram bot integration	Sublime Security	6mo ago Feb 25th, 2026	Credential Phishing Evasion Scripting Content analysis Javascript analysis URL analysis
Link: Landing page with search-ms protocol redirect	Sublime Security	5mo ago Apr 7th, 2026	Malware/Ransomware Evasion Scripting URL analysis Threat intelligence
Link: Mamba 2FA phishing kit	Sublime Security	2mo ago Jun 18th, 2026	Credential Phishing Evasion Social engineering URL analysis
Link: Microsoft device code authentication with suspicious indicators	Sublime Security	6mo ago Mar 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Evasion URL analysis URL screenshot Content analysis
Link: Microsoft Dynamics 365 form phishing	Sublime Security	7mo ago Jan 27th, 2026	Credential Phishing Evasion Content analysis File analysis Optical Character Recognition Natural Language Understanding URL analysis URL screenshot
Link: Microsoft protected message with suspicious recipient patterns	Sublime Security	14d ago Aug 27th, 2026	Credential Phishing Evasion Social engineering Content analysis File analysis Header analysis Sender analysis URL analysis
Link: Mismatched Shopify template button href	Sublime Security	21d ago Aug 20th, 2026	Credential Phishing Evasion Social engineering HTML analysis URL analysis Header analysis Sender analysis
Link: Mixed case HTTPS protocol	Sublime Security	6mo ago Mar 9th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: Multiple HTTP protocols in single URL	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: Multistage landing - Abused Adobe frame.io	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Free file host Content analysis Whois Computer Vision URL analysis HTML analysis
Link: Multistage landing - Abused Docusign	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Free subdomain host Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Multistage landing - Abused Google Drive	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Free email provider Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Multistage landing - ClickUp abuse	Sublime Security	6mo ago Feb 27th, 2026	Credential Phishing Malware/Ransomware Evasion Free file host Free subdomain host Open redirect URL analysis Whois Content analysis
Link: Multistage landing - JotForm abuse	Sublime Security	9mo ago Dec 1st, 2025	Credential Phishing Evasion Social engineering Content analysis HTML analysis Javascript analysis URL analysis
Link: Multistage landing - Ludus presentation	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Social engineering Impersonation: Brand Header analysis URL analysis Computer Vision URL screenshot Natural Language Understanding Optical Character Recognition Sender analysis
Link: Multistage landing - Scribd document	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Impersonation: Brand Free file host URL analysis HTML analysis Natural Language Understanding Computer Vision Optical Character Recognition URL screenshot
Link: Non-standard port 8443 in display URL	Sublime Security	5mo ago Mar 26th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis
Link: Numeric IP obfuscation in URL	Sublime Security	2d ago Sep 8th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis
Link: Obfuscation via userinfo with excessive URL padding	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Impersonation: Brand URL analysis
Link: Obfuscation via userinfo with suspicious indicators	Sublime Security	6mo ago Mar 13th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis Content analysis
Link: Observed malicious URL path /redirect/redirect/	Sublime Security	29d ago Aug 12th, 2026	Credential Phishing Open redirect Social engineering Evasion URL analysis Content analysis
Link: .onion From Unsolicited Sender	Sublime Security	1y ago Jul 30th, 2025	Malware/Ransomware Credential Phishing Evasion Social engineering URL analysis Header analysis Sender analysis
Link: PDF display text with fake copyright claim template	Sublime Security	5mo ago Mar 18th, 2026	Credential Phishing Malware/Ransomware Evasion Image as content PDF Content analysis HTML analysis
Link: PDF file disguised as HTML page	Sublime Security	3mo ago Jun 5th, 2026	Credential Phishing Malware/Ransomware Evasion PDF URL analysis Content analysis
Link: PDF filename impersonation with credential theft language	Sublime Security	6mo ago Feb 12th, 2026	Credential Phishing Social engineering Evasion PDF Content analysis Natural Language Understanding Header analysis Sender analysis URL analysis
Link: QR code in EML attachment with credential phishing indicators	Sublime Security	9mo ago Dec 2nd, 2025	Credential Phishing Evasion Open redirect QR code Computer Vision Content analysis File analysis QR code analysis
Link: Recipient email address in 'eta' parameter	Sublime Security	7mo ago Jan 27th, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis
Link: Referrer anonymization service from untrusted sender	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Open redirect Evasion Header analysis URL analysis Sender analysis
Link: RTL text reversal with recipient email in URL	Sublime Security	21d ago Aug 20th, 2026	Credential Phishing Evasion Social engineering HTML analysis URL analysis
Link: ScreenConnect installer with suspicious relay domain	Sublime Security	8mo ago Jan 12th, 2026	Malware/Ransomware Evasion Out of band pivot Social engineering URL analysis File analysis Content analysis
Link: Scribd fullscreen link from suspicious sender	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Evasion URL analysis Sender analysis
Link: Secure SharePoint file share from new or unusual sender	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis
Link: Self-sender credential theft with configuration placeholder	Sublime Security	3mo ago May 27th, 2026	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis URL analysis Header analysis
Link: Self-sender with IP geolocation check and suspicious link behavior	Sublime Security	1mo ago Jul 14th, 2026	Credential Phishing Evasion Social engineering Sender analysis URL analysis
Link: Self-sender with sender org in subject and credential theft indicator	Sublime Security	16d ago Aug 25th, 2026	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis Sender analysis URL analysis Header analysis
Link: Self-sent message with quarterly document review request	Sublime Security	2mo ago Jun 26th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Header analysis Sender analysis URL analysis
Link: Self-sent PDF lure with subject correlation	Sublime Security	3mo ago Jun 4th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Header analysis HTML analysis Sender analysis Content analysis
Link: SharePoint files shared from GoDaddy federated tenants	Sublime Security	1y ago Jul 16th, 2025	Credential Phishing Evasion Sender analysis URL analysis
Link: SharePoint OneNote or PDF link with self sender behavior	Sublime Security	6mo ago Feb 27th, 2026	Credential Phishing Evasion Free file host OneNote PDF Header analysis URL analysis Sender analysis
Link: Shortened URL with fragment matching subject	Sublime Security	5mo ago Apr 9th, 2026	Credential Phishing BEC/Fraud Evasion Social engineering Content analysis URL analysis Header analysis
Link: Single character path with credential theft body and self sender behavior or invalid recipient	Sublime Security	4mo ago Apr 24th, 2026	Credential Phishing Evasion Social engineering Natural Language Understanding URL analysis Sender analysis Header analysis
Link: Spam website with evasion indicators	Sublime Security	9mo ago Nov 25th, 2025	Spam Evasion URL analysis URL screenshot Content analysis
Link: .su domain link redirection from new sender domains	Sublime Security	28d ago Aug 13th, 2026	Credential Phishing Spam Open redirect Social engineering Evasion URL analysis Sender analysis
Link: Suspicious Family fragment parameter with encoded recipient data	Sublime Security	4mo ago Apr 27th, 2026	Credential Phishing Evasion Encryption Social engineering URL analysis Content analysis
Link: Suspicious go.php redirect with document lure	Sublime Security	2mo ago Jun 26th, 2026	Credential Phishing Evasion Social engineering Content analysis URL analysis

504 Rules

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