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
Attachment: PDF with View RFP Document lure with external link	Sublime Security	1mo ago Aug 27th, 2026	Credential Phishing PDF Social engineering File analysis URL analysis Content analysis
Attachment: PDF with W-9 form indicators	Sublime Security	4mo ago Jun 26th, 2026	BEC/Fraud PDF Social engineering Impersonation: Brand YARA File analysis Content analysis
Attachment: Personalized fake order/invoice file naming pattern	Sublime Security	27d ago Sep 28th, 2026	Callback Phishing Social engineering Free email provider Impersonation: Brand File analysis Content analysis Sender analysis
Attachment: Potential sandbox evasion in Office file	@ajpc500	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Macros File analysis Macro analysis
Attachment: PowerPoint with suspicious hyperlink	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting Exif analysis File analysis
Attachment: PowerShell content	@ajpc500	1y ago Aug 5th, 2025	Malware/Ransomware Scripting Archive analysis File analysis
Attachment: QR code link with encoded recipient address	Sublime Security	1mo ago Sep 22nd, 2026	Credential Phishing QR code Image as content Social engineering Evasion PDF Macros Computer Vision File analysis Natural Language Understanding QR code analysis Sender analysis
Attachment: QR code with encoded recipient targeting and redirect indicators	Sublime Security	8mo ago Jan 30th, 2026	Credential Phishing QR code Evasion Image as content Open redirect Archive analysis File analysis QR code analysis URL analysis
Attachment: QR code with recipient targeting and special characters	Sublime Security	8mo ago Feb 21st, 2026	Credential Phishing QR code Social engineering Evasion File analysis QR code analysis URL analysis Computer Vision
Attachment: QR code with suspicious URL patterns in EML file	Sublime Security	8mo ago Feb 21st, 2026	Credential Phishing QR code Evasion Social engineering Archive analysis File analysis QR code analysis URL analysis
Attachment: QR code with userinfo portion	Sublime Security	27d ago Sep 28th, 2026	Credential Phishing Malware/Ransomware Evasion Image as content PDF QR code QR code analysis File analysis Sender analysis
Attachment: QuickBooks PDF lure	Sublime Security	2mo ago Aug 20th, 2026	BEC/Fraud Malware/Ransomware PDF Impersonation: Brand Social engineering YARA File analysis
Attachment: RDP connection file	@ajpc500	1y ago Aug 5th, 2025	Malware/Ransomware Credential Phishing Archive analysis File analysis
Attachment: Re-stamped invoice PDF with IRS references from external sender	Sublime Security	9d ago Oct 16th, 2026	BEC/Fraud PDF Social engineering Impersonation: Brand Exif analysis File analysis Optical Character Recognition
Attachment: RFC822 containing suspicious file sharing language with links from untrusted sender	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Evasion Social engineering File analysis Header analysis Natural Language Understanding Sender analysis
Attachment: RFP/RFQ impersonating government entities	Sublime Security	2y ago Jan 30th, 2024	BEC/Fraud Impersonation: Brand PDF Social engineering Content analysis File analysis Natural Language Understanding Optical Character Recognition Sender analysis
Attachment: Risk assessment PDF with inline image	Sublime Security	2mo ago Aug 25th, 2026	Malware/Ransomware Spam Image as content PDF Social engineering File analysis HTML analysis Header analysis Sender analysis
Attachment: Romance scam with image lure and advance-fee or suspicious link indicators	Sublime Security	3mo ago Jul 1st, 2026	BEC/Fraud Spam Social engineering Image as content Free email provider Free file host Out of band pivot Natural Language Understanding Header analysis Sender analysis Content analysis URL analysis File analysis
Attachment: RTF file with suspicious link	Sublime Security	1y ago Jul 23rd, 2025	Credential Phishing Evasion Archive analysis File analysis Sender analysis URL analysis
Attachment: RTF with embedded content	@amitchell516	2y ago Feb 26th, 2024	Malware/Ransomware Evasion File analysis YARA
Attachment: RTF with link to free-hosted Cloudflare Pages	Sublime Security	2mo ago Aug 13th, 2026	Credential Phishing Free subdomain host File analysis URL analysis HTML analysis Sender analysis
Attachment: Self-sender PDF with minimal content and view prompt	Sublime Security	8mo ago Feb 12th, 2026	Credential Phishing Malware/Ransomware PDF Social engineering Evasion Content analysis File analysis Sender analysis
Attachment: SFX archive containing commands	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting File analysis
Attachment: Single-page PDF with S3-hosted HTML link	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing PDF Free file host Evasion File analysis Exif analysis URL analysis
Attachment: Small text file with link containing recipient email address	Sublime Security	5mo ago May 14th, 2026	Credential Phishing Evasion Social engineering File analysis URL analysis
Attachment: Soda PDF producer with encryption themes	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing PDF Social engineering File analysis Optical Character Recognition
Attachment soliciting user to enable macros	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Macros Archive analysis File analysis Macro analysis Optical Character Recognition Sender analysis
Attachment: Suspicious employee policy update document lure	Sublime Security	10mo ago Dec 26th, 2025	Credential Phishing PDF Social engineering Evasion Content analysis File analysis Sender analysis
Attachment: Suspicious PDF created with headless browser	Sublime Security	3mo ago Jul 1st, 2026	Credential Phishing Evasion PDF Content analysis Exif analysis File analysis Optical Character Recognition
Attachment: SVG file execution	Sublime Security	1y ago Aug 8th, 2025	Malware/Ransomware Scripting Archive analysis Content analysis File analysis
Attachment: SVG files with evasion elements	Sublime Security	5mo ago May 8th, 2026	Malware/Ransomware Credential Phishing QR code Image as content Evasion File analysis XML analysis QR code analysis Sender analysis
Attachment: SVG file with HTML entity encoded href attributes	Sublime Security	5mo ago May 20th, 2026	Malware/Ransomware Credential Phishing Evasion HTML smuggling File analysis Content analysis
Attachment: SVG file with hyperlinks and cursor styling	Sublime Security	5mo ago May 20th, 2026	Credential Phishing Evasion Image as content File analysis XML analysis Content analysis
Attachment: TAR file with RAR type	Sublime Security	6mo ago Apr 24th, 2026	Malware/Ransomware Evasion Archive analysis File analysis
Attachment: Targeted DOCX with personalized recipient acknowledgement lure	Sublime Security	2mo ago Aug 4th, 2026	Credential Phishing Social engineering Archive analysis Content analysis File analysis XML analysis
Attachment: Uncommon compressed file	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Credential Phishing Archive analysis File analysis
Attachment: USDA bid invitation impersonation	Sublime Security	1y ago Aug 5th, 2025	BEC/Fraud Impersonation: Brand PDF Macros Social engineering Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Attachment: Web files with suspicious comments	Sublime Security	1y ago Aug 8th, 2025	Credential Phishing Malware/Ransomware HTML smuggling Evasion File analysis HTML analysis Content analysis
Attachment: WinRAR CVE-2025-8088 exploitation	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Exploit Evasion Archive analysis File analysis YARA
Attachment with auto-executing macro (unsolicited)	Sublime Security	4mo ago Jun 5th, 2026	Malware/Ransomware Macros Archive analysis Header analysis File analysis Macro analysis OLE analysis Sender analysis
Attachment with auto-opening VBA macro (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Macros Archive analysis File analysis Macro analysis Sender analysis
Attachment with encrypted zip (unsolicited)	Sublime Security	1y ago Jul 16th, 2025	Malware/Ransomware Evasion Encryption Archive analysis File analysis Sender analysis
Attachment with high risk VBA macro (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Macros File analysis Macro analysis OLE analysis Sender analysis
Attachment with macro calling executable	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Macros Archive analysis File analysis
Attachment with suspicious author (unsolicited)	Sublime Security	1y ago Jul 16th, 2025	Malware/Ransomware File analysis Sender analysis
Attachment with unscannable encrypted zip	Sublime Security	5mo ago Apr 30th, 2026	Malware/Ransomware Encryption Evasion Archive analysis File analysis YARA
Attachment with VBA macros from employee impersonation (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Impersonation: Employee Macros Social engineering Archive analysis File analysis Macro analysis Sender analysis
Attachment: Word document with hyperlink and fraud language	Sublime Security	1mo ago Sep 4th, 2026	Credential Phishing BEC/Fraud Free email provider Social engineering Evasion File analysis XML analysis HTML analysis URL analysis Natural Language Understanding Sender analysis
Attachment: XLS with legal confidentiality disclaimer	Sublime Security	1mo ago Sep 10th, 2026	Malware/Ransomware BEC/Fraud Social engineering Macros File analysis Content analysis
Attachment: XLSX file with suspicious print titles metadata	Sublime Security	1y ago Sep 16th, 2025	Credential Phishing Evasion Macros File analysis Exif analysis

376 Rules

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