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 Jan 23rd, 2026

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Attachment: LNK with embedded content	@ajpc500	11d ago Jan 12th, 2026	Malware/Ransomware Exploit LNK Scripting Content analysis Exif analysis File analysis	/feeds/core/detection-rules/attachment-lnk-with-embedded-content-41452f7a
Attachment: Macro files containing MHT content	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Credential Phishing Evasion Macros Scripting Archive analysis File analysis Macro analysis	/feeds/core/detection-rules/attachment-macro-files-containing-mht-content-4d54e40b
Attachment: Macro with suspected use of COM ShellBrowserWindow object for process creation	@ajpc500	11d ago Jan 12th, 2026	Malware/Ransomware Macros Scripting Content analysis File analysis Macro analysis	/feeds/core/detection-rules/attachment-macro-with-suspected-use-of-com-shellbrowserwindow-object-for-process-creation-527fc7f0
Attachment: Malformed OLE file	Sublime Security	2y ago Nov 25th, 2024	Credential Phishing Malware/Ransomware Evasion File analysis YARA	/feeds/core/detection-rules/attachment-malformed-ole-file-5aadc68f
Attachment: Malicious OneNote commands	@Kyle_Parrish_	11d ago Jan 12th, 2026	Malware/Ransomware OneNote Scripting Archive analysis Content analysis File analysis YARA	/feeds/core/detection-rules/attachment-malicious-onenote-commands-7319f0eb
Attachment: Microsoft 365 credential phishing	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/attachment-microsoft-365-credential-phishing-edce0229
Attachment: Microsoft impersonation via PDF with link and suspicious language	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Malware/Ransomware Image as content Impersonation: Brand PDF Scripting Social engineering Computer Vision File analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/attachment-microsoft-impersonation-via-pdf-with-link-and-suspicious-language-70d41c7f
Attachment: MSI installer file	@ajpc500	5mo ago Aug 5th, 2025	Malware/Ransomware Evasion Archive analysis File analysis	/feeds/core/detection-rules/attachment-msi-installer-file-ae17b1a9
Attachment: Office document loads remote document template	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Archive analysis File analysis URL analysis	/feeds/core/detection-rules/attachment-office-document-loads-remote-document-template-d9601104
Attachment: Office document with VSTO add-in	@vector_sec	11d ago Jan 12th, 2026	Malware/Ransomware Scripting Archive analysis Content analysis Exif analysis File analysis Sender analysis URL analysis	/feeds/core/detection-rules/attachment-office-document-with-vsto-add-in-27afa730
Attachment: Office file contains OLE relationship to credential phishing page	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis HTML analysis Natural Language Understanding OLE analysis URL analysis	/feeds/core/detection-rules/attachment-office-file-contains-ole-relationship-to-credential-phishing-page-d55793d0
Attachment: Office file with credential phishing URLs	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis URL analysis Archive analysis Content analysis	/feeds/core/detection-rules/attachment-office-file-with-credential-phishing-urls-b2cae98d
Attachment: Office file with document sharing and browser instruction lures	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Social engineering Evasion Archive analysis File analysis Macro analysis Optical Character Recognition Content analysis	/feeds/core/detection-rules/attachment-office-file-with-document-sharing-and-browser-instruction-lures-b1250a4b
Attachment: Office file with suspicious function calls or downloaded file path	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting Archive analysis File analysis	/feeds/core/detection-rules/attachment-office-file-with-suspicious-function-calls-or-downloaded-file-path-4c78b969
Attachment: Password-protected PDF with fake document indicators	Sublime Security	2d ago Jan 21st, 2026	Malware/Ransomware Credential Phishing Encryption Evasion PDF File analysis YARA Exif analysis	/feeds/core/detection-rules/attachment-password-protected-pdf-with-fake-document-indicators-b45e4440
Attachment: PDF file with link to fake Bitcoin exchange	Sublime Security	11d ago Jan 12th, 2026	BEC/Fraud Free email provider Impersonation: Brand PDF Social engineering Exif analysis File analysis Sender analysis URL analysis	/feeds/core/detection-rules/attachment-pdf-file-with-link-to-fake-bitcoin-exchange-47601cb7
Attachment: PDF file with low reputation links to suspicious filetypes (unsolicited)	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis File analysis Sender analysis	/feeds/core/detection-rules/attachment-pdf-file-with-low-reputation-links-to-suspicious-filetypes-unsolicited-6144f880
Attachment: PDF file with low reputation link to ZIP file (unsolicited)	Michael Tingle	11d ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis File analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/attachment-pdf-file-with-low-reputation-link-to-zip-file-unsolicited-d1ee2859
Attachment: PDF generated with wkhtmltopdf tool and default title	Sublime Security	1mo ago Dec 19th, 2025	BEC/Fraud Callback Phishing Credential Phishing Malware/Ransomware PDF Evasion File analysis Exif analysis	/feeds/core/detection-rules/attachment-pdf-generated-with-wkhtmltopdf-tool-and-default-title-64e6c8a8
Attachment: PDF with credential theft language and link to a free subdomain (unsolicited)	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free subdomain host PDF Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/attachment-pdf-with-credential-theft-language-and-link-to-a-free-subdomain-unsolicited-90f4ef4e
Attachment: PDF with link to DMG file download	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis Content analysis File analysis URL analysis	/feeds/core/detection-rules/attachment-pdf-with-link-to-dmg-file-download-2c486fe0
Attachment: PDF with link to zip containing a wsf file	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis Content analysis File analysis URL analysis	/feeds/core/detection-rules/attachment-pdf-with-link-to-zip-containing-a-wsf-file-93bc7db4
Attachment: PDF with Microsoft Purview message impersonation	Sublime Security	2mo ago Nov 10th, 2025	Credential Phishing Impersonation: Brand PDF Social engineering File analysis Natural Language Understanding Content analysis	/feeds/core/detection-rules/attachment-pdf-with-microsoft-purview-message-impersonation-571d4964
Attachment: PDF with personal Microsoft OneNote URL	Sublime Security	1mo ago Dec 4th, 2025	Credential Phishing PDF Social engineering File analysis Content analysis	/feeds/core/detection-rules/attachment-pdf-with-personal-microsoft-onenote-url-0675bbc5
Attachment: PDF with recipient email in link	Sublime Security	2d ago Jan 21st, 2026	Credential Phishing PDF QR code Encryption Social engineering File analysis QR code analysis URL analysis	/feeds/core/detection-rules/attachment-pdf-with-recipient-email-in-link-0399d08f
Attachment: PDF with suspicious HeadlessChrome metadata	Sublime Security	15d ago Jan 8th, 2026	Credential Phishing Malware/Ransomware Evasion PDF File analysis Exif analysis	/feeds/core/detection-rules/attachment-pdf-with-suspicious-headlesschrome-metadata-eda99b1d
Attachment: PDF with suspicious language and redirect to suspicious file type	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Credential Phishing Evasion PDF File analysis Natural Language Understanding Optical Character Recognition URL analysis	/feeds/core/detection-rules/attachment-pdf-with-suspicious-language-and-redirect-to-suspicious-file-type-adda3c3f
Attachment: Potential sandbox evasion in Office file	@ajpc500	11d ago Jan 12th, 2026	Malware/Ransomware Evasion Macros File analysis Macro analysis	/feeds/core/detection-rules/attachment-potential-sandbox-evasion-in-office-file-1c591681
Attachment: PowerPoint with suspicious hyperlink	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting Exif analysis File analysis	/feeds/core/detection-rules/attachment-powerpoint-with-suspicious-hyperlink-0a999fb1
Attachment: PowerShell content	@ajpc500	5mo ago Aug 5th, 2025	Malware/Ransomware Scripting Archive analysis File analysis	/feeds/core/detection-rules/attachment-powershell-content-c12566db
Attachment: QR code link with base64-encoded recipient address	Sublime Security	11d ago Jan 12th, 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	/feeds/core/detection-rules/attachment-qr-code-link-with-base64-encoded-recipient-address-927a0c1a
Attachment: QR code with recipient targeting and special characters	Sublime Security	2d ago Jan 21st, 2026	Credential Phishing QR code Social engineering Evasion File analysis QR code analysis URL analysis Computer Vision	/feeds/core/detection-rules/attachment-qr-code-with-recipient-targeting-and-special-characters-fc9e1c09
Attachment: QR code with userinfo portion	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Image as content PDF QR code QR code analysis File analysis Sender analysis	/feeds/core/detection-rules/attachment-qr-code-with-userinfo-portion-9d62cc5c
Attachment: RDP connection file	@ajpc500	5mo ago Aug 5th, 2025	Malware/Ransomware Credential Phishing Archive analysis File analysis	/feeds/core/detection-rules/attachment-rdp-connection-file-2409a422
Attachment: RFC822 containing suspicious file sharing language with links from untrusted sender	Sublime Security	2mo ago Nov 4th, 2025	Credential Phishing Evasion Social engineering File analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/attachment-rfc822-containing-suspicious-file-sharing-language-with-links-from-untrusted-sender-d96854d7
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	/feeds/core/detection-rules/attachment-rfprfq-impersonating-government-entities-3b73e3b3
Attachment: RTF file with suspicious link	Sublime Security	6mo ago Jul 23rd, 2025	Credential Phishing Evasion Archive analysis File analysis Sender analysis URL analysis	/feeds/core/detection-rules/attachment-rtf-file-with-suspicious-link-c848f9aa
Attachment: RTF with embedded content	@amitchell516	2y ago Feb 26th, 2024	Malware/Ransomware Evasion File analysis YARA	/feeds/core/detection-rules/attachment-rtf-with-embedded-content-61dd2dd7
Attachment: SFX archive containing commands	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting File analysis	/feeds/core/detection-rules/attachment-sfx-archive-containing-commands-343e6c8c
Attachment: Small text file with link containing recipient email address	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis URL analysis	/feeds/core/detection-rules/attachment-small-text-file-with-link-containing-recipient-email-address-c0472c9d
Attachment: Soda PDF producer with encryption themes	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing PDF Social engineering File analysis Optical Character Recognition	/feeds/core/detection-rules/attachment-soda-pdf-producer-with-encryption-themes-af8eeca4
Attachment soliciting user to enable macros	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Macros Archive analysis File analysis Macro analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/attachment-soliciting-user-to-enable-macros-e9d75515
Attachment: Suspicious employee policy update document lure	Sublime Security	28d ago Dec 26th, 2025	Credential Phishing PDF Social engineering Evasion Content analysis File analysis Sender analysis	/feeds/core/detection-rules/attachment-suspicious-employee-policy-update-document-lure-a8bf1fd1
Attachment: Suspicious PDF created with headless browser	Sublime Security	4mo ago Sep 17th, 2025	Credential Phishing Evasion PDF Content analysis Exif analysis File analysis Optical Character Recognition	/feeds/core/detection-rules/attachment-suspicious-pdf-created-with-headless-browser-8f3108d7
Attachment: SVG file execution	Sublime Security	5mo ago Aug 8th, 2025	Malware/Ransomware Scripting Archive analysis Content analysis File analysis	/feeds/core/detection-rules/attachment-svg-file-execution-084b0cde
Attachment: SVG files with evasion elements	Sublime Security	5mo ago Aug 8th, 2025	Malware/Ransomware Credential Phishing QR code Image as content Evasion File analysis XML analysis QR code analysis Sender analysis	/feeds/core/detection-rules/attachment-svg-files-with-evasion-elements-5d2dbb60
Attachment: Uncommon compressed file	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Credential Phishing Archive analysis File analysis	/feeds/core/detection-rules/attachment-uncommon-compressed-file-0c6fba7a
Attachment: USDA bid invitation impersonation	Sublime Security	5mo 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	/feeds/core/detection-rules/attachment-usda-bid-invitation-impersonation-34eb9493
Attachment: Web files with suspicious comments	Sublime Security	5mo ago Aug 8th, 2025	Credential Phishing Malware/Ransomware HTML smuggling Evasion File analysis HTML analysis Content analysis	/feeds/core/detection-rules/attachment-web-files-with-suspicious-comments-93061d17
Attachment: WinRAR CVE-2025-8088 exploitation	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Exploit Evasion Archive analysis File analysis YARA	/feeds/core/detection-rules/attachment-winrar-cve-2025-8088-exploitation-33b3a82b

224 Rules

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