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

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Link: Cryptocurrency fraud with suspicious links	Sublime Security	10mo ago Dec 1st, 2025	BEC/Fraud Social engineering Evasion Free subdomain host Scripting Content analysis Header analysis Javascript analysis Natural Language Understanding Sender analysis URL analysis URL screenshot Whois
Link: CVE-2024-21413 Microsoft Outlook Remote Code Execution Vulnerability	Sublime Security	2y ago Feb 15th, 2024	Malware/Ransomware Evasion Exploit URL analysis
Link: Delimited encoded path parameters (~V~ scheme)	Sublime Security	1mo ago Aug 31st, 2026	Credential Phishing Spam Evasion Social engineering Spoofing URL analysis Content analysis
Link: Direct download of executable file	Sublime Security	7mo ago Mar 2nd, 2026	Malware/Ransomware Evasion Sender analysis URL analysis
Link: Direct link to gamma.app document with mode parameter	Sublime Security	1y 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	1y ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis
Link: Direct MSI download from low reputation domain	Sublime Security	8mo ago Feb 19th, 2026	Malware/Ransomware Evasion Sender analysis URL analysis
Link: Display text matches subject line	Sublime Security	11mo 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	9mo ago Jan 21st, 2026	Credential Phishing Evasion Content analysis URL analysis
Link: Document-themed link to newly registered domain	Sublime Security	2mo ago Aug 18th, 2026	Credential Phishing Malware/Ransomware Social engineering Evasion URL analysis Whois Content analysis
Link: Double base64-encoded URL path	Sublime Security	2mo ago Aug 24th, 2026	Credential Phishing Encryption Evasion URL analysis Content analysis
Link: Echo-tail od= affiliate tracking token	Sublime Security	17d ago Oct 8th, 2026	Spam Free file host Evasion URL analysis
Link: Excessive URL rewrite encoders	Sublime Security	9mo ago Jan 21st, 2026	Credential Phishing Malware/Ransomware Encryption Evasion URL analysis Content analysis
Link: Executable file download with suspicious message content	Sublime Security	1mo ago Sep 23rd, 2026	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	3mo 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	4mo 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	7mo 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	1y 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	1mo ago Sep 23rd, 2026	Credential Phishing Evasion URL analysis
Link: Free file hosting with undisclosed recipients	Sublime Security	7mo 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	3mo ago Jul 10th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Natural Language Understanding Header analysis Sender analysis
Link: Gmail confidential mode message from new or unsolicited sender	Sublime Security	18d ago Oct 7th, 2026	Credential Phishing Evasion Social engineering Sender analysis URL analysis
Link: Gmail confidential mode message with job scam subject	Sublime Security	18d ago Oct 7th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Link: Gmail confidential mode message with suspicious recipient patterns	Sublime Security	18d ago Oct 7th, 2026	Credential Phishing Evasion Social engineering Header analysis Sender analysis URL analysis
Link: Gmail phishkit with suspicious recipient	Sublime Security	1mo ago Sep 2nd, 2026	Credential Phishing Impersonation: Brand Evasion Social engineering URL analysis HTML analysis Sender analysis
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 link with index.php in URL	Sublime Security	3mo 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	2mo ago Aug 24th, 2026	Credential Phishing Evasion Free file host Open redirect URL analysis
Link: Google Cloud Storage object named after its bucket	Sublime Security	2d ago Oct 23rd, 2026	Spam Free file host Evasion URL analysis
Link: Google Cloud Storage redirect to external domain	Sublime Security	3mo 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 short filename pattern	Sublime Security	27d ago Sep 28th, 2026	Credential Phishing Free file host Evasion URL analysis
Link: Google Cloud Storage with base64 go/sub-ID fragment	Sublime Security	19d ago Oct 6th, 2026	Spam Free file host Social engineering Evasion URL analysis
Link: Google Cloud Storage with double base64 encoded fragment	Sublime Security	2d ago Oct 23rd, 2026	Spam Free file host Evasion URL analysis
Link: Google Cloud Storage with prefixed base64 dash-record fragment	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing Spam Free file host Social engineering Evasion URL 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 Cloud Storage with suffixed unsubscribe bucket	Sublime Security	19d ago Oct 6th, 2026	Spam Credential Phishing Free file host Evasion Social engineering URL analysis
Link: Google Cloud Storage with suspicious URL pattern	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing Free file host Evasion URL analysis
Link: Google Cloud Storage with word-triple bucket and random HTML object	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Free file host Evasion URL analysis
Link: Google Cloud Storage with zipper-interleaved tracking token	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing Free file host Evasion URL analysis
Link: Google Firebase dynamic link that redirects to new domain (<7 days old)	@ajpc500	9mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis Whois
Link: GoPhish query param values	Sublime Security	9mo ago Jan 5th, 2026	Credential Phishing Malware/Ransomware Evasion URL 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: home.php affiliate tracking token	Sublime Security	2d ago Oct 23rd, 2026	Spam Free file host Evasion URL analysis
Link: Hotel booking spoofed display URL	Sublime Security	2mo 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	8mo ago Jan 29th, 2026	Credential Phishing Evasion 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: 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: Landing page with search-ms protocol redirect	Sublime Security	6mo ago Apr 7th, 2026	Malware/Ransomware Evasion Scripting URL analysis Threat intelligence
Link: Large guest list with suspicious link	Sublime Security	3d ago Oct 22nd, 2026	Credential Phishing Evasion Social engineering Content analysis URL analysis

557 Rules

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