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
Link: Google Cloud Storage hosted credential harvesting page	Sublime Security	3mo ago Jun 30th, 2026	Credential Phishing Free file host Evasion Social engineering Impersonation: Brand URL analysis Content analysis
Link: Google Cloud Storage /index and /unsub link pair	Sublime Security	2d ago Oct 23rd, 2026	Spam Free file host Social engineering URL analysis Content analysis
Link: Google Cloud Storage with short-path link delivery	Sublime Security	19d ago Oct 6th, 2026	Spam Credential Phishing Free file host Evasion Social engineering Impersonation: Brand URL analysis Content analysis
Link: Google share.google URL shortener in google.<tld>/share.google path form	Sublime Security	27d ago Sep 28th, 2026	Spam Credential Phishing Open redirect Social engineering URL analysis Content analysis
Link: Hex-encoded recipient email in URL fragment	Sublime Security	1mo ago Sep 16th, 2026	Credential Phishing Encryption Evasion Social engineering URL analysis Content analysis
Link: HR impersonation with suspicious domain indicators and credential theft	Sublime Security	10mo ago Dec 3rd, 2025	Credential Phishing Impersonation: Employee Social engineering Lookalike domain Content analysis Natural Language Understanding Computer Vision URL analysis URL screenshot
Link: /index.php enclosed in three asterisks	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Callback Phishing Social engineering Content analysis URL analysis
Link: Invalid reply-to with recipient details in subject, body, and encoded link	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing BEC/Fraud Social engineering Evasion Spoofing Header analysis Content analysis URL analysis Sender analysis
Link: Invoice or receipt from freemail sender with customer service number	@vector_sec	9mo ago Jan 12th, 2026	BEC/Fraud Callback Phishing Free email provider Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Link: IPv4-mapped IPv6 address obfuscation	Sublime Security	7mo ago Mar 17th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: JavaScript obfuscation with Telegram bot integration	Sublime Security	8mo ago Feb 25th, 2026	Credential Phishing Evasion Scripting Content analysis Javascript analysis URL analysis
Link: Jensi file preview link from unsolicited sender	Sublime Security	1mo ago Sep 23rd, 2026	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis
Link: Job recruitment lure from unsolicited sender with suspicious hosting	Sublime Security	6mo ago Apr 7th, 2026	Credential Phishing Social engineering Content analysis Sender analysis URL analysis
Link: Large guest list with suspicious link	Sublime Security	3d ago Oct 22nd, 2026	Credential Phishing Evasion Social engineering Content analysis URL analysis
Link: Malformed subdomain ending in hyphen	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing Social engineering Lookalike domain Impersonation: Brand Impersonation: Employee URL analysis Content analysis
Link: Microsoft device code authentication with suspicious indicators	Sublime Security	7mo 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	1mo ago Sep 23rd, 2026	Credential Phishing Evasion Content analysis File analysis Optical Character Recognition Natural Language Understanding URL analysis URL screenshot
Link: Microsoft impersonation using hosted png with suspicious link	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Link: Microsoft protected message with suspicious recipient patterns	Sublime Security	1mo ago Aug 27th, 2026	Credential Phishing Evasion Social engineering Content analysis File analysis Header analysis Sender analysis URL analysis
Link: Mismatched free file host links with document lure	Sublime Security	2mo ago Aug 5th, 2026	BEC/Fraud Credential Phishing Free file host Social engineering Natural Language Understanding URL analysis Content analysis
Link: Mixed case HTTPS protocol	Sublime Security	7mo ago Mar 9th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis
Link: Multiple HTTP protocols in single URL	Sublime Security	9mo 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	7mo 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 - FreshDesk knowledge base abuse	Sublime Security	1y ago Aug 21st, 2025	Credential Phishing Open redirect Impersonation: Brand Social engineering Content analysis Natural Language Understanding URL analysis URL screenshot
Link: Multistage landing - JotForm abuse	Sublime Security	10mo ago Dec 1st, 2025	Credential Phishing Evasion Social engineering Content analysis HTML analysis Javascript analysis URL analysis
Link: Multistage landing - Microsoft Forms abuse	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering HTML analysis URL analysis Content analysis
Link: Multistage landing - Trello board abuse	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing Free file host Social engineering URL analysis Content analysis Sender analysis URL screenshot
Link: Newly registered domain in reference lure	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing BEC/Fraud Social engineering Content analysis URL analysis Whois
Link: Obfuscation via userinfo with suspicious indicators	Sublime Security	7mo ago Mar 13th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis Content analysis
Link: Observed malicious URL path /redirect/redirect/	Sublime Security	2mo ago Aug 12th, 2026	Credential Phishing Open redirect Social engineering Evasion URL analysis Content analysis
Link: Observed URL path (lht) with recipient email address	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing Social engineering Impersonation: Brand Evasion Spoofing URL analysis Content analysis Header analysis
Link: PDF and financial display text to free file host	Sublime Security	1y ago Sep 24th, 2025	Credential Phishing Free file host Free email provider Social engineering Content analysis Sender analysis URL analysis
Link: PDF display text with fake copyright claim template	Sublime Security	7mo 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	4mo ago Jun 5th, 2026	Credential Phishing Malware/Ransomware Evasion PDF URL analysis Content analysis
Link: PDF filename impersonation with credential theft language	Sublime Security	8mo ago Feb 12th, 2026	Credential Phishing Social engineering Evasion PDF Content analysis Natural Language Understanding Header analysis Sender analysis URL analysis
Link: Personal SharePoint with invalid recipients and credential theft language	Sublime Security	9mo ago Jan 23rd, 2026	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding URL analysis
Link: Possible Intuit link abuse	Sublime Security	20d ago Oct 5th, 2026	Credential Phishing Impersonation: Brand Social engineering URL analysis Natural Language Understanding Content analysis Header analysis
Link: QR code in EML attachment with credential phishing indicators	Sublime Security	10mo ago Dec 2nd, 2025	Credential Phishing Evasion Open redirect QR code Computer Vision Content analysis File analysis QR code analysis
Link: QR code with phishing disposition in img or pdf	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing QR code Social engineering Content analysis Computer Vision QR code analysis Sender analysis URL analysis
Link: QR Code with suspicious language (untrusted sender)	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand QR code Social engineering Content analysis Computer Vision Natural Language Understanding QR code analysis Sender analysis URL analysis
Link: Recipient email address in 'eta' parameter	Sublime Security	9mo ago Jan 27th, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis
Link: Remittance payment request with timeline template	Sublime Security	4mo ago Jun 4th, 2026	BEC/Fraud Credential Phishing Social engineering Content analysis URL analysis
Link: RFI document reference pattern in display text	Sublime Security	6mo ago Apr 1st, 2026	BEC/Fraud Social engineering Content analysis URL analysis
Link: Romance/Sexual Language With Suspicious Link	Sublime Security	26d ago Sep 29th, 2026	Spam Social engineering Content analysis Header analysis URL analysis Whois
Link: ScreenConnect installer with suspicious relay domain	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Out of band pivot Social engineering URL analysis File analysis Content analysis
Link: ScreenConnect remote access tool delivery with unattended guest access	Sublime Security	1mo ago Sep 11th, 2026	Malware/Ransomware Social engineering Out of band pivot URL analysis Content analysis
Link: Secure SharePoint file share from new or unusual sender	Sublime Security	1mo ago Sep 22nd, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis

731 Rules

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