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
Link: Remittance payment request with timeline template	Sublime Security	3mo ago Jun 4th, 2026	BEC/Fraud Credential Phishing Social engineering Content analysis URL analysis
Link: RFI document reference pattern in display text	Sublime Security	5mo ago Apr 1st, 2026	BEC/Fraud Social engineering Content analysis URL analysis
Link: Romance/Sexual Language With Suspicious Link	Sublime Security	2mo ago Jun 17th, 2026	Spam Social engineering Content analysis Header analysis URL analysis Whois
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: ScreenConnect remote access tool delivery with unattended guest access	Sublime Security	1mo ago Jul 21st, 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	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 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 filename matches org name	Sublime Security	7mo ago Feb 6th, 2026	Credential Phishing Impersonation: Employee Social engineering Content analysis URL 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: Spam website with evasion indicators	Sublime Security	9mo ago Nov 25th, 2025	Spam Evasion URL analysis URL screenshot Content 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
Link: Suspicious HTML structure with subject mirrored in body and single link	Sublime Security	1mo ago Jul 27th, 2026	Credential Phishing Social engineering Impersonation: Brand Content analysis HTML analysis
Link: Suspicious SharePoint document name	Sublime Security	5mo ago Mar 17th, 2026	Credential Phishing Free file host Evasion Content analysis
Link: Suspicious single-domain link with suspicious path and financial lure indicators	Sublime Security	2mo ago Jun 26th, 2026	Spam Social engineering Content analysis HTML analysis URL analysis
Link: Suspicious URL with recipient targeting and special characters	Sublime Security	6mo ago Feb 21st, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis
Link: SVG with embedded recipient data	Sublime Security	2mo ago Jun 12th, 2026	Credential Phishing Evasion URL analysis Content analysis
Link: Tax document lure Portuguese/Spanish with suspicious domains	Sublime Security	4mo ago Apr 14th, 2026	BEC/Fraud Credential Phishing Malware/Ransomware Free file host Free subdomain host Social engineering Content analysis URL analysis Whois
Link to auto-downloaded file with Google Drive branding	Sublime Security	8mo ago Jan 12th, 2026	Malware/Ransomware Impersonation: Brand Social engineering Content analysis File analysis Optical Character Recognition URL analysis URL screenshot
Link to Google Apps Script macro via comment tagging	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Social engineering Content analysis Sender analysis URL analysis
Link: Tycoon2FA phishing kit (non-exhaustive)	Sublime Security	7mo ago Jan 23rd, 2026	Credential Phishing Free subdomain host Evasion Credential Phishing URL analysis HTML analysis Content analysis
Link: Uncommon SharePoint document type with sender's display name	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Social engineering OneNote PDF Content analysis Header analysis HTML analysis URL analysis
Link: Unformatted template with literal placeholder in mailto link	Sublime Security	1mo ago Aug 3rd, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis
Link: Unicode character obfuscation in display name with base64-encoded URL fragment	Sublime Security	1mo ago Aug 3rd, 2026	Credential Phishing Evasion Social engineering URL analysis Sender analysis Content analysis
Link: URL fragmented by hidden spans	Sublime Security	28d ago Aug 13th, 2026	Credential Phishing Evasion Social engineering HTML analysis Content analysis URL analysis
Link: URL fragment with hexadecimal pattern obfuscation	Sublime Security	7mo ago Jan 29th, 2026	Credential Phishing Evasion Content analysis URL analysis
Link: URL scheme obfuscation via split HTML anchors	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing BEC/Fraud Evasion HTML injection Social engineering Content analysis HTML analysis URL analysis
Link: URL shortener with copy-paste instructions and credential theft language	Sublime Security	7mo ago Feb 6th, 2026	Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding URL analysis
Link: URL using underscore-dot substitution in display text	Sublime Security	1mo ago Aug 7th, 2026	Credential Phishing Evasion Social engineering URL analysis Content analysis
Link: Webflow link from unsolicited sender	Sublime Security	1y ago Aug 5th, 2025	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis
Link: WordPress admin targeting with recipient identifier in URL parts	Sublime Security	27d ago Aug 14th, 2026	Credential Phishing Evasion Social engineering URL analysis Content analysis
Link: WordPress login page with Blogspot Binance scam	Sublime Security	6mo ago Feb 17th, 2026	Credential Phishing BEC/Fraud Social engineering Free subdomain host Impersonation: Brand Content analysis URL analysis
Link: Zoho form link from unsolicited sender	Sublime Security	1y ago Aug 5th, 2025	Callback Phishing Free file host Content analysis URL analysis Sender analysis
Low reputation link to auto-downloaded HTML file with smuggling indicators	Sublime Security	1mo ago Jul 29th, 2026	Credential Phishing Evasion Free file host Free subdomain host HTML smuggling Impersonation: Brand Open redirect Social engineering Content analysis File analysis HTML analysis Javascript analysis Sender analysis URL analysis
Mass campaign: Cross Site Scripting (XSS) attempt	Sublime Security	1y ago Jul 16th, 2025	Malware/Ransomware Spam Exploit Free email provider Scripting Social engineering Content analysis Header analysis Sender analysis
Message content: Request for author engagement	Sublime Security	1mo ago Jul 24th, 2026	Spam Social engineering Content analysis
Microsoft device code phishing	@ajpc500	8mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Non-RFC compliant calendar files from unsolicited sender	Sublime Security	4mo ago Apr 28th, 2026	Evasion ICS Phishing Social engineering Archive analysis Content analysis File analysis Sender analysis
Notion suspicious file share	Sublime Security	1y ago Jul 16th, 2025	Credential Phishing Malware/Ransomware Evasion Free file host Content analysis Sender analysis URL analysis
Observed IOC: Malicious attachment SHA-256 hashes	Sublime Security	13d ago Aug 28th, 2026	Malware/Ransomware Credential Phishing Social engineering Evasion Attachment analysis Content analysis
Observed IOC: Malicious domains in body links	Sublime Security	6d ago Sep 4th, 2026	Credential Phishing Malware/Ransomware Evasion Social engineering URL analysis Content analysis
Observed IOC: Malicious root domains in body links	Sublime Security	6d ago Sep 4th, 2026	Credential Phishing Malware/Ransomware Evasion Social engineering URL analysis Content analysis
Observed IOC: Malicious URLs in body links	Sublime Security	8d ago Sep 2nd, 2026	Credential Phishing Malware/Ransomware Evasion Social engineering URL analysis Content analysis
Open redirect: Cartoon Network	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Spam Open redirect Evasion Content analysis URL analysis
Open redirect: Generic link.html redirector abuse	Sublime Security	9d ago Sep 1st, 2026	Spam Credential Phishing Open redirect Social engineering URL analysis Content analysis
Open redirect: giving.lluh.org	Sublime Security	1y ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis
Open redirect (go2.aspx) leading to Microsoft credential phishing	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Open redirect Content analysis Header analysis URL analysis

675 Rules

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