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

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Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Attachment: ICS with embedded Javascript in SVG file	Sublime Security	5mo ago Apr 28th, 2026	Credential Phishing Malware/Ransomware Scripting Evasion ICS Phishing File analysis Javascript analysis Sender analysis
Attachment: ICS with employee policy review lure	Sublime Security	5mo ago Apr 28th, 2026	Credential Phishing BEC/Fraud Evasion ICS Phishing Social engineering File analysis Content analysis
Attachment: ICS with Suspicious Office 365 app authorization (OAuth) link	Sublime Security	11d ago Oct 14th, 2026	Credential Phishing Evasion Social engineering ICS Phishing File analysis Content analysis URL analysis
Attachment: JavaScript file with suspicious base64-encoded executable	Sublime Security	2y ago Apr 1st, 2024	Malware/Ransomware Evasion Scripting Archive analysis File analysis YARA
Attachment: JPEG with gd-jpeg creator and suspicious file name	Sublime Security	4mo ago Jun 12th, 2026	Credential Phishing Evasion File analysis Exif analysis
Attachment: Legal themed message or PDF with suspicious indicators	Sublime Security	1mo ago Sep 15th, 2026	Credential Phishing Extortion BEC/Fraud Evasion PDF Social engineering Content analysis File analysis Natural Language Understanding Optical Character Recognition URL analysis Whois Header analysis Exif analysis
Attachment: Link file with UNC path	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion LNK File analysis
Attachment: Link to Doubleclick.net open redirect	Sublime Security	5mo ago Apr 29th, 2026	BEC/Fraud Credential Phishing Evasion Open redirect Social engineering Content analysis File analysis URL analysis
Attachment: Macro files containing MHT content	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Credential Phishing Evasion Macros Scripting Archive analysis File analysis Macro analysis
Attachment: Malformed mobileconfig file	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Evasion File analysis XML analysis
Attachment: Malformed OLE file	Sublime Security	2y ago Nov 25th, 2024	Credential Phishing Malware/Ransomware Evasion File analysis YARA
Attachment: Meetergo booking link	Sublime Security	16d ago Oct 9th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion File analysis URL analysis
Attachment: Microsoft OAuth credential harvesting via EML with embedded malicious links	Sublime Security	11d ago Oct 14th, 2026	Credential Phishing Impersonation: Brand Evasion PDF File analysis URL analysis Content analysis
Attachment: Mobileconfig profile with mismatched embedded email	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Evasion Social engineering File analysis Content analysis Sender analysis
Attachment: MSI installer file	@ajpc500	1y ago Aug 5th, 2025	Malware/Ransomware Evasion Archive analysis File analysis
Attachment: MS Office or RTF file with Shell.Explorer.1 com object with embedded LNK	Sublime Security	8mo ago Jan 28th, 2026	Malware/Ransomware Evasion File analysis YARA
Attachment: MS OOXML file created by Administrator with zero edit time	Sublime Security	4mo ago Jun 12th, 2026	Malware/Ransomware Evasion Exif analysis File analysis
Attachment: Office file contains OLE relationship to credential phishing page	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis HTML analysis Natural Language Understanding OLE analysis URL analysis
Attachment: Office file with credential phishing URLs	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis URL analysis Archive analysis Content analysis
Attachment: Office file with document sharing and browser instruction lures	Sublime Security	1mo ago Sep 18th, 2026	Credential Phishing Social engineering Evasion Archive analysis File analysis Macro analysis Optical Character Recognition Content analysis
Attachment: Office file with suspicious function calls or downloaded file path	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting Archive analysis File analysis
Attachment: OLE external relationship containing file scheme link to executable filetype	Sublime Security	11mo ago Nov 24th, 2025	Malware/Ransomware Evasion Archive analysis Content analysis OLE analysis Sender analysis
Attachment: OLE external relationship containing file scheme link to IP address	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Archive analysis Content analysis OLE analysis Sender analysis
Attachment: Password-protected PDF with fake document indicators	Sublime Security	9mo ago Jan 21st, 2026	Malware/Ransomware Credential Phishing Encryption Evasion PDF File analysis YARA Exif analysis
Attachment: PDF Attachment with links to workers.dev	Sublime Security	4mo ago Jun 4th, 2026	Credential Phishing PDF Free subdomain host Evasion File analysis Exif analysis URL analysis
Attachment: PDF file with low reputation links to suspicious filetypes (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis File analysis Sender analysis
Attachment: PDF file with low reputation link to ZIP file (unsolicited)	Michael Tingle	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis File analysis Natural Language Understanding Sender analysis URL analysis
Attachment: PDF generated with wkhtmltopdf tool and default title	Sublime Security	10mo ago Dec 19th, 2025	BEC/Fraud Callback Phishing Credential Phishing Malware/Ransomware PDF Evasion File analysis Exif analysis
Attachment: PDF Link With Valueless Base64 Query Parameter	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing PDF Evasion File analysis URL analysis
Attachment: PDF Object Hash associated with a fake invoice and a W-9	Sublime Security	3mo ago Jul 2nd, 2026	BEC/Fraud PDF Evasion File analysis Threat Intelligence
Attachment: PDF Object Hash associated with fake Canada Revenue Agency documents	Sublime Security	4mo ago Jun 17th, 2026	Credential Phishing Malware/Ransomware PDF Evasion File analysis Threat Intelligence
Attachment: PDF Object Hash - Encrypted PDFs with fake payment notification	Sublime Security	7mo ago Mar 2nd, 2026	Malware/Ransomware PDF Evasion File analysis Threat intelligence
Attachment: PDF Object Hash with Blue File Icon	Sublime Security	4mo ago Jun 5th, 2026	Malware/Ransomware PDF Evasion File analysis
Attachment: PDF proposal with credential theft indicators	Sublime Security	2mo ago Aug 24th, 2026	Credential Phishing PDF Social engineering Evasion File analysis Natural Language Understanding Optical Character Recognition URL analysis
Attachment: PDF with a suspicious string and single URL	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing PDF Social engineering Evasion Content analysis File analysis URL analysis Exif analysis
Attachment: PDF with base64 JavaScript and eval functions	Sublime Security	2mo ago Aug 11th, 2026	Malware/Ransomware Evasion PDF File analysis Javascript analysis YARA
Attachment: PDF with bolded passcode	Sublime Security	1mo ago Sep 8th, 2026	Credential Phishing PDF Evasion Social engineering HTML analysis Content analysis File analysis
Attachment: PDF with dub.sh shortened link	Sublime Security	1mo ago Sep 9th, 2026	Credential Phishing BEC/Fraud PDF Social engineering Evasion File analysis URL analysis
Attachment: PDF with embedded box-lure and javascript	Sublime Security	2mo ago Aug 19th, 2026	Credential Phishing Malware/Ransomware PDF Social engineering Evasion File analysis YARA
Attachment: PDF with EOF MD5 hash marker	Sublime Security	1mo ago Sep 10th, 2026	Credential Phishing Malware/Ransomware PDF Evasion File analysis YARA
Attachment: PDF with JSFck obfuscation	Sublime Security	6mo ago Apr 22nd, 2026	Malware/Ransomware Evasion PDF File analysis YARA
Attachment: PDF with link to DMG file download	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis Content analysis File analysis URL analysis
Attachment: PDF with link to zip containing a wsf file	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis Content analysis File analysis URL analysis
Attachment: PDF with localhost IP in EXIF title metadata	Sublime Security	3mo ago Jun 29th, 2026	Credential Phishing Malware/Ransomware PDF Evasion Exif analysis File analysis Sender analysis
Attachment: PDF with multistage landing - ClickUp abuse	Sublime Security	7mo ago Feb 27th, 2026	Credential Phishing Evasion Free file host Free subdomain host PDF Social engineering File analysis URL analysis Whois
Attachment: PDF with password in filename matching body text	Sublime Security	8mo ago Feb 19th, 2026	Malware/Ransomware Credential Phishing Encryption Evasion PDF Content analysis File analysis
Attachment: PDF with ReportLab library and default metadata	Sublime Security	7mo ago Feb 27th, 2026	Credential Phishing PDF Evasion File analysis Exif analysis
Attachment: PDF with secure document acknowledgment prompt	Sublime Security	3mo ago Jul 17th, 2026	Credential Phishing Evasion PDF Social engineering Image as content Impersonation: Brand Content analysis File analysis YARA
Attachment: PDF with self-service platform links with self sender or blank recipients	Sublime Security	4mo ago Jun 10th, 2026	BEC/Fraud Credential Phishing PDF Evasion Free file host File analysis Exif analysis URL analysis Sender analysis
Attachment: PDF with split QR code	Sublime Security	6mo ago Apr 15th, 2026	Credential Phishing Evasion PDF QR code File analysis YARA QR code analysis

557 Rules

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