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
Brand Impersonation: Disney	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-disney-bf90b8fb
Brand impersonation: DocSend	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-docsend-cd9a3f7a
Brand impersonation: DocuSign	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Spoofing Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-docusign-4d29235c
Brand impersonation: DocuSign branded attachment lure with no DocuSign links	Sublime Security	3mo ago Oct 22nd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL screenshot	/feeds/core/detection-rules/brand-impersonation-docusign-branded-attachment-lure-with-no-docusign-links-814a5694
Brand impersonation: DocuSign (QR code)	Sublime Security	3mo ago Oct 15th, 2025	Credential Phishing Impersonation: Brand PDF QR code Social engineering Computer Vision Header analysis QR code analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-docusign-qr-code-0b16c28a
Brand impersonation: DocuSign with embedded QR code	Sublime Security	3mo ago Oct 17th, 2025	Credential Phishing Evasion Image as content Impersonation: Brand QR code Computer Vision Content analysis QR code analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-docusign-with-embedded-qr-code-f5cde463
Brand impersonation: DoorDash	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-doordash-b0aaaed5
Brand impersonation: Dotloop	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-dotloop-f997581a
Brand impersonation: Dropbox	Sublime Security	1d ago Jan 22nd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-dropbox-61f11d12
Brand impersonation: Enbridge	Sublime Security	12mo ago Jan 24th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-enbridge-203a6a28
Brand impersonation: Evite	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-evite-9e867a2b
Brand impersonation: Exodus	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-exodus-40c77ecc
Brand impersonation: Fake DocuSign HTML table not linking to DocuSign domains	Sublime Security	1mo ago Dec 10th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis HTML analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-fake-docusign-html-table-not-linking-to-docusign-domains-28923dde
Brand impersonation: Fake Fax	Sublime Security	2d ago Jan 21st, 2026	Credential Phishing Impersonation: Brand Image as content Free file host Free subdomain host Social engineering Computer Vision Content analysis Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-fake-fax-2a96b90a
Brand impersonation: Fastway	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-fastway-0170dbf2
Brand impersonation: FedEx	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-fedex-94a2b602
Brand impersonation: FINRA	Sublime Security	3mo ago Oct 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-finra-15c81db4
Brand Impersonation: Gemini Trust Company	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis Sender analysis Header analysis	/feeds/core/detection-rules/brand-impersonation-gemini-trust-company-99574c94
Brand impersonation: Github	Sublime Security	2mo ago Nov 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-github-9402f92b
Brand impersonation: GoDaddy	Sublime Security	4mo ago Sep 17th, 2025	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-godaddy-4130d555
Brand impersonation: Google Careers	Sublime Security	2mo ago Nov 12th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-google-careers-cf2d97ad
Brand impersonation: Google fake sign-in warning	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-google-fake-sign-in-warning-2d998eee
Brand Impersonation: Google (QR Code)	Sublime Security	3mo ago Oct 17th, 2025	Credential Phishing Impersonation: Brand PDF QR code Computer Vision Header analysis QR code analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-google-qr-code-7ffd184c
Brand impersonation: Google using Microsoft Forms	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-google-using-microsoft-forms-1daac608
Brand impersonation: Google Workspace alert notification	Sublime Security	1mo ago Dec 2nd, 2025	Credential Phishing Impersonation: Brand Social engineering Lookalike domain Header analysis Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-google-workspace-alert-notification-143ffbc4
Brand impersonation: Greenvelope	Sublime Security	1mo ago Dec 1st, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-greenvelope-9cbbf9b8
Brand impersonation: Gusto	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-gusto-54025c1c
Brand impersonation: Hulu	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Spam Free email provider Impersonation: Brand Lookalike domain Social engineering Computer Vision Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-hulu-6833de58
Brand impersonation: Interac	Sublime Security	2y ago Sep 16th, 2024	BEC/Fraud Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-interac-50a883dc
Brand impersonation: Internal Revenue Service	Sublime Security	11d ago Jan 12th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-internal-revenue-service-3c63f8e9
Brand impersonation: KnowBe4	Sublime Security	2y ago Nov 25th, 2024	Credential Phishing Spam Free email provider Impersonation: Brand Lookalike domain Social engineering Computer Vision Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-knowbe4-7c798386
Brand impersonation: Ledger	Sublime Security	1y ago Jan 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-ledger-5f934755
Brand impersonation: LinkedIn	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-linkedin-1a0cde6d
Brand impersonation: Mailchimp	Sublime Security	4mo ago Sep 22nd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-mailchimp-48b454c7
Brand impersonation: Mailgun	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing BEC/Fraud Impersonation: Brand Sender analysis	/feeds/core/detection-rules/brand-impersonation-mailgun-59cc84e6
Brand impersonation: Meta and subsidiaries	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-meta-and-subsidiaries-e38f1e3b
Brand impersonation: MetaMask	Sublime Security	4mo ago Sep 22nd, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Sender analysis Header analysis	/feeds/core/detection-rules/brand-impersonation-metamask-ddb4c618
Brand impersonation: Microsoft	@amitchell516	3mo ago Oct 9th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-6e2f04e6
Brand impersonation: Microsoft fake sign-in alert	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Header analysis Sender analysis Whois	/feeds/core/detection-rules/brand-impersonation-microsoft-fake-sign-in-alert-3f4c9e7a
Brand impersonation: Microsoft logo in HTML with fake quarantine release notification	Sublime Security	1mo ago Dec 10th, 2025	Credential Phishing Evasion Impersonation: Brand Social engineering Content analysis HTML analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-logo-in-html-with-fake-quarantine-release-notification-f12c615c
Brand impersonation: Microsoft logo or suspicious language with open redirect	Sublime Security	2y ago Mar 7th, 2024	BEC/Fraud Impersonation: Brand Open redirect Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-logo-or-suspicious-language-with-open-redirect-27b8d8d8
Brand impersonation: Microsoft Planner with suspicious link	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Image as content Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-planner-with-suspicious-link-ea363c08
Brand impersonation: Microsoft (QR code)	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand PDF QR code Social engineering Computer Vision Header analysis QR code analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-qr-code-ed0f772a
Brand impersonation: Microsoft quarantine release notification in body	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-quarantine-release-notification-in-body-6d19527c
Brand impersonation: Microsoft quarantine release notification in image attachment	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Free file host Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-quarantine-release-notification-in-image-attachment-185db6b3
Brand impersonation: Microsoft Teams	Sublime Security	2y ago Dec 3rd, 2024	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-teams-9cd53055
Brand impersonation: Microsoft with embedded logo and credential theft language	Sublime Security	3mo ago Oct 17th, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-with-embedded-logo-and-credential-theft-language-3ee9ef3d
Brand impersonation: Microsoft with low reputation links	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free file host Image as content Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-microsoft-with-low-reputation-links-b59201b6
Brand impersonation: Navan	Sublime Security	4mo ago Sep 22nd, 2025	Credential Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Natural Language Understanding URL analysis Content analysis	/feeds/core/detection-rules/brand-impersonation-navan-3573e9a8
Brand impersonation: Netflix	min0k	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-netflix-9f39eea5

594 Rules

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