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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 Jul 17th, 2025

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Rule Name & Severity	Author	Last Updated	Labels
Attachment: Archive contains DLL-loading macro	Sublime Security	2y ago Dec 28th, 2023	Malware/Ransomware Exploit LNK Macros Scripting Archive analysis File analysis Macro analysis YARA	/feeds/core/detection-rules/attachment-archive-contains-dll-loading-macro-3a193f5f
Attachment: CVE-2021-40444 - MSHTML Remote Code Execution Vulnerability	Sublime Security	2y ago Dec 19th, 2023	Malware/Ransomware Exploit Macros Scripting Archive analysis Content analysis File analysis Macro analysis OLE analysis	/feeds/core/detection-rules/attachment-cve-2021-40444-mshtml-remote-code-execution-vulnerability-8cefcf7f
Attachment: CVE-2025-24071 - Microsoft Windows File Explorer Spoofing Vulnerability	Sublime Security	4mo ago Mar 21st, 2025	Credential Phishing Scripting Macros Exploit Archive analysis Content analysis File analysis	/feeds/core/detection-rules/attachment-cve-2025-24071-microsoft-windows-file-explorer-spoofing-vulnerability-2e69fa0b
Attachment: Encrypted Microsoft Office file (unsolicited)	Sublime Security	4d ago Jul 16th, 2025	Malware/Ransomware Encryption Macros Scripting Archive analysis File analysis OLE analysis Sender analysis	/feeds/core/detection-rules/attachment-encrypted-microsoft-office-file-unsolicited-1e47e953
Attachment: Macro Files Containing MHT Content	Sublime Security	1mo ago Jun 12th, 2025	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	2y ago Dec 19th, 2023	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: Potential Sandbox Evasion in Office File	@ajpc500	2y ago Dec 19th, 2023	Malware/Ransomware Evasion Macros File analysis Macro analysis	/feeds/core/detection-rules/attachment-potential-sandbox-evasion-in-office-file-1c591681
Attachment: QR Code Link With Base64-Encoded Recipient Address	Sublime Security	4d ago Jul 16th, 2025	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 soliciting user to enable macros	Sublime Security	4d ago Jul 16th, 2025	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: USDA Bid Invitation Impersonation	Sublime Security	1mo ago May 23rd, 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 with auto-executing macro (unsolicited)	Sublime Security	4d ago Jul 16th, 2025	Malware/Ransomware Macros Archive analysis Header analysis File analysis Macro analysis OLE analysis Sender analysis	/feeds/core/detection-rules/attachment-with-auto-executing-macro-unsolicited-af6624c3
Attachment with auto-opening VBA macro (unsolicited)	Sublime Security	4d ago Jul 16th, 2025	Malware/Ransomware Macros Archive analysis File analysis Macro analysis Sender analysis	/feeds/core/detection-rules/attachment-with-auto-opening-vba-macro-unsolicited-d48b3e53
Attachment with high risk VBA macro (unsolicited)	Sublime Security	4d ago Jul 16th, 2025	Malware/Ransomware Macros File analysis Macro analysis OLE analysis Sender analysis	/feeds/core/detection-rules/attachment-with-high-risk-vba-macro-unsolicited-a2b20e16
Attachment with macro calling executable	Sublime Security	2y ago Dec 19th, 2023	Malware/Ransomware Evasion Macros Archive analysis File analysis	/feeds/core/detection-rules/attachment-with-macro-calling-executable-5ee6a197
Attachment with VBA macros from employee impersonation (unsolicited)	Sublime Security	4d ago Jul 16th, 2025	Malware/Ransomware Impersonation: Employee Macros Social engineering Archive analysis File analysis Macro analysis Sender analysis	/feeds/core/detection-rules/attachment-with-vba-macros-from-employee-impersonation-unsolicited-9b262123
Suspicious VBA macros from untrusted sender	Sublime Security	4d ago Jul 16th, 2025	Malware/Ransomware Macros File analysis Macro analysis Sender analysis	/feeds/core/detection-rules/suspicious-vba-macros-from-untrusted-sender-37cec120