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

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Link: Direct link to gamma.app document with mode parameter	Sublime Security	11mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis
Link: Direct link to keap.app contact-us page	Sublime Security	11mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis
Link: Direct MSI download from low reputation domain	Sublime Security	5mo ago Feb 19th, 2026	Malware/Ransomware Evasion Sender analysis URL analysis
Link: Display text matches subject line	Sublime Security	8mo ago Nov 14th, 2025	BEC/Fraud Credential Phishing Social engineering Evasion Header analysis Content analysis Natural Language Understanding URL analysis
Link: Display text with excessive right-to-left mark characters	Sublime Security	6mo ago Jan 21st, 2026	Credential Phishing Evasion Content analysis URL analysis
Link: Excessive URL rewrite encoders	Sublime Security	6mo ago Jan 21st, 2026	Credential Phishing Malware/Ransomware Encryption Evasion URL analysis Content analysis
Link: Executable file download with suspicious message content	Sublime Security	9mo ago Oct 16th, 2025	Credential Phishing Malware/Ransomware Evasion Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Header analysis
Link: Fake forwarded message with suspicious URL in plain text	Sublime Security	6d ago Jul 20th, 2026	Credential Phishing BEC/Fraud Social engineering Evasion Content analysis Sender analysis URL analysis
Link: Fake secure message notification template	Sublime Security	1mo ago Jun 25th, 2026	Credential Phishing Evasion Social engineering HTML analysis Content analysis URL analysis
Link: Figma design deck with credential theft language	Sublime Security	4mo ago Mar 4th, 2026	Credential Phishing Evasion Free file host Social engineering Natural Language Understanding Computer Vision Optical Character Recognition URL analysis URL screenshot Sender analysis
Link: File sharing pretext with suspicious body and link	Sublime Security	9mo ago Oct 10th, 2025	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis URL analysis HTML analysis
Link: Flagged bit.ly link	Sublime Security	1y ago Jul 16th, 2025	Credential Phishing Evasion URL analysis
Link: Free file hosting with undisclosed recipients	Sublime Security	4mo ago Mar 19th, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host Evasion Header analysis URL analysis Sender analysis Natural Language Understanding
Link: Generic financial document with proceedural timeline template	Sublime Security	16d ago Jul 10th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Natural Language Understanding Header analysis Sender analysis
Link: Google Cloud Storage hosted credential harvesting page	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Free file host Evasion Social engineering Impersonation: Brand URL analysis Content analysis
Link: Google Cloud Storage link with index.php in URL	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Evasion Free file host Open redirect URL analysis
Link: Google Cloud Storage link with redirect.html in URL	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Evasion Free file host Open redirect URL analysis
Link: Google Cloud Storage redirect to external domain	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Spam Malware/Ransomware Free file host Open redirect Impersonation: Brand Social engineering Evasion URL analysis Threat intelligence
Link: Google Cloud Storage with short-path link delivery	Sublime Security	26d ago Jun 30th, 2026	Spam Credential Phishing Free file host Evasion Social engineering Impersonation: Brand URL analysis Content analysis
Link: Google Cloud Storage with suspicious URL pattern	Sublime Security	2mo ago May 26th, 2026	Credential Phishing Free file host Evasion URL analysis
Link: Google Firebase dynamic link that redirects to new domain (<7 days old)	@ajpc500	6mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis Whois
Link: GoPhish query param values	Sublime Security	6mo ago Jan 5th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis
Link: Hotel booking spoofed display URL	Sublime Security	5mo ago Feb 17th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering URL analysis Sender analysis
Link: HTML file with suspicious binary fragment ending pattern	Sublime Security	5mo ago Jan 29th, 2026	Credential Phishing Evasion URL analysis
Link: Invalid reply-to with recipient details in subject, body, and encoded link	Sublime Security	10d 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	4mo ago Mar 17th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: JavaScript obfuscation with Telegram bot integration	Sublime Security	5mo ago Feb 25th, 2026	Credential Phishing Evasion Scripting Content analysis Javascript analysis URL analysis
Link: Landing page with search-ms protocol redirect	Sublime Security	3mo ago Apr 7th, 2026	Malware/Ransomware Evasion Scripting URL analysis Threat intelligence
Link: Mamba 2FA phishing kit	Sublime Security	1mo ago Jun 18th, 2026	Credential Phishing Evasion Social engineering URL analysis
Link: Microsoft device code authentication with suspicious indicators	Sublime Security	4mo 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	6mo 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 matching sender and recipient addresses	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Content analysis File analysis Header analysis Sender analysis URL analysis
Link: Mixed case HTTPS protocol	Sublime Security	4mo ago Mar 9th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: Multiple HTTP protocols in single URL	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: Multistage landing - Abused Adobe frame.io	Sublime Security	11mo 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	11mo 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	11mo 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	4mo 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	7mo ago Dec 1st, 2025	Credential Phishing Evasion Social engineering Content analysis HTML analysis Javascript analysis URL analysis
Link: Multistage landing - Ludus presentation	Sublime Security	11mo 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	6mo 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	4mo ago Mar 26th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis
Link: Numeric IP obfuscation in URL	Sublime Security	1mo ago May 28th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis
Link: Obfuscation via userinfo with excessive URL padding	Sublime Security	11mo ago Aug 5th, 2025	Credential Phishing Evasion Impersonation: Brand URL analysis
Link: Obfuscation via userinfo with suspicious indicators	Sublime Security	4mo ago Mar 13th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis Content analysis
Link: .onion From Unsolicited Sender	Sublime Security	12mo 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	4mo 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	1mo ago Jun 5th, 2026	Credential Phishing Malware/Ransomware Evasion PDF URL analysis Content analysis
Link: PDF filename impersonation with credential theft language	Sublime Security	5mo 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	7mo ago Dec 2nd, 2025	Credential Phishing Evasion Open redirect QR code Computer Vision Content analysis File analysis QR code analysis

456 Rules

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