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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 Mar 21st, 2025

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Rule Name & Severity	Author	Last Updated	Labels
Attachment: Callback Phishing solicitation via pdf file	Sublime Security	25d ago Feb 26th, 2025	Callback Phishing Evasion Free email provider Out of band pivot PDF Social engineering Exif analysis File analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/attachment-callback-phishing-solicitation-via-pdf-file-ac33f097
Attachment: Emotet heavily padded doc in zip file	Sublime Security	2y ago Oct 4th, 2023	Malware/Ransomware Evasion Archive analysis Content analysis Exif analysis File analysis Sender analysis	/feeds/core/detection-rules/attachment-emotet-heavily-padded-doc-in-zip-file-9a5332ed
Attachment: Encrypted PDF With Credential Theft Body	Sublime Security	5mo ago Oct 10th, 2024	Credential Phishing Encryption Evasion PDF Social engineering Content analysis Exif analysis File analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/attachment-encrypted-pdf-with-credential-theft-body-c9596c9a
Attachment: LNK with embedded content	@ajpc500	2y ago Aug 21st, 2023	Malware/Ransomware Exploit LNK Scripting Content analysis Exif analysis File analysis	/feeds/core/detection-rules/attachment-lnk-with-embedded-content-41452f7a
Attachment: Office Document with VSTO Add-in	@vector_sec	1y ago Jan 11th, 2024	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: PDF file with Link to Fake Bitcoin Exchange	Sublime Security	2y ago Aug 21st, 2023	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: PowerPoint with suspicious hyperlink	Sublime Security	2y ago Aug 21st, 2023	Malware/Ransomware Evasion Scripting Exif analysis File analysis	/feeds/core/detection-rules/attachment-powerpoint-with-suspicious-hyperlink-0a999fb1
Callback Phishing: Social Security Administration Fraud	Sublime Security	27d ago Feb 24th, 2025	Callback Phishing Evasion Free email provider Out of band pivot PDF Social engineering Exif analysis File analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/callback-phishing-social-security-administration-fraud-a9049d52
Spam: Item Giveaway Spam Template	Sublime Security	2mo ago Jan 8th, 2025	Spam Image as content Content analysis HTML analysis Sender analysis Exif analysis	/feeds/core/detection-rules/spam-item-giveaway-spam-template-06a5f93b