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 Mar 9th, 2026

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Rule Name & Severity	Author	Last Updated	Labels
Brand impersonation: Microsoft with embedded logo and credential theft language	Sublime Security	4mo 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	1mo 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	29d ago Feb 9th, 2026	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	1mo ago Feb 3rd, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-netflix-9f39eea5
Brand impersonation: Norton	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Free email provider Impersonation: Brand Social engineering Content analysis File analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-norton-32bd9efd
Brand impersonation: Office 365 mail service	Sublime Security	1mo ago Jan 29th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-office-365-mail-service-51af3d4a
Brand impersonation: Okta	Sublime Security	5mo ago Sep 23rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-okta-b7a2989a
Brand impersonation: Outlook	Sublime Security	2y ago May 29th, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-outlook-1fe5bf7b
Brand Impersonation: PayPal	Sublime Security	25d ago Feb 13th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis File analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-paypal-a6b2ceee
Brand impersonation: PNC	Sublime Security	5mo ago Oct 9th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-pnc-1b5ae4fb
Brand Impersonation: Procore	Sublime Security	6mo ago Sep 3rd, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-procore-74baa1e5
Brand impersonation: Proofpoint secure messaging without legitimate indicators	Sublime Security	3mo ago Nov 17th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-proofpoint-secure-messaging-without-legitimate-indicators-84b72d02
Brand impersonation: Punchbowl	Sublime Security	25d ago Feb 13th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-punchbowl-58937ba0
Brand impersonation: Purdue ePlanroom with suspicious links	Sublime Security	3mo ago Dec 2nd, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-purdue-eplanroom-with-suspicious-links-4db5b0b6
Brand impersonation: Quickbooks	Sublime Security	1mo ago Jan 15th, 2026	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-quickbooks-4fd791d1
Brand impersonation: QuickBooks notification from Intuit themed company name	Sublime Security	1mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis	/feeds/core/detection-rules/brand-impersonation-quickbooks-notification-from-intuit-themed-company-name-42058fc4
Brand impersonation: Ripple	Sublime Security	7mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-ripple-68b39736
Brand impersonation: Robert Half	Sublime Security	5mo ago Oct 1st, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-robert-half-74f8826c
Brand impersonation: SendGrid	Sublime Security	1mo ago Jan 12th, 2026	BEC/Fraud Credential Phishing Spam Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-sendgrid-d800124f
Brand impersonation: Sharepoint	Sublime Security	1mo ago Jan 10th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis File analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-sharepoint-284b1b70
Brand impersonation: Sharepoint fake file share	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Social engineering Content analysis Header analysis URL analysis Computer Vision	/feeds/core/detection-rules/brand-impersonation-sharepoint-fake-file-share-ff8b296b
Brand impersonation: SharePoint PDF attachment with credential theft language	Sublime Security	4mo ago Nov 7th, 2025	Credential Phishing Impersonation: Brand Social engineering PDF Evasion Computer Vision File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis Header analysis Whois	/feeds/core/detection-rules/brand-impersonation-sharepoint-pdf-attachment-with-credential-theft-language-ae3756fa
Brand Impersonation: Shein	Sublime Security	4mo ago Oct 15th, 2025	Credential Phishing Spam Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-shein-b5843f22
Brand impersonation: Silicon Valley Bank	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis Whois	/feeds/core/detection-rules/brand-impersonation-silicon-valley-bank-a01f61d9
Brand impersonation: SiriusXM	Sublime Security	7mo ago Aug 5th, 2025	Callback Phishing Credential Phishing Spam Free email provider Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-siriusxm-70eb3792
Brand impersonation: Spotify	Sublime Security	7mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-spotify-70e80f91
Brand impersonation: Square	Sublime Security	4mo ago Oct 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-square-63f9b449
Brand impersonation: Squarespace	Sublime Security	5mo ago Sep 11th, 2025	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-squarespace-f806de6f
Brand impersonation: State Farm	Sublime Security	2mo ago Dec 17th, 2025	Credential Phishing Impersonation: Brand Social engineering Spoofing Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-state-farm-bcf7eba0
Brand impersonation: Stellar Development Foundation (SDF)	Sublime Security	7mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-stellar-development-foundation-sdf-2af9ab94
Brand Impersonation: Stripe	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-stripe-862d4654
Brand impersonation: Stripe notification	Sublime Security	5mo ago Sep 26th, 2025	Credential Phishing Evasion Impersonation: Brand Social engineering Content analysis Header analysis URL analysis Whois	/feeds/core/detection-rules/brand-impersonation-stripe-notification-3ffd2b03
Brand impersonation: Sublime Security	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-sublime-security-949484ed
Brand impersonation: Survey request with credential theft indicators	Sublime Security	18d ago Feb 20th, 2026	Credential Phishing Social engineering Impersonation: Brand Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-survey-request-with-credential-theft-indicators-ea1c0e09
Brand impersonation: TikTok	Sublime Security	26d ago Feb 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-tiktok-aaacc8b7
Brand impersonation: Toronto-Dominion Bank	Sublime Security	4mo ago Oct 22nd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/brand-impersonation-toronto-dominion-bank-2dc16a55
Brand impersonation: Trust Wallet	Sublime Security	7mo ago Aug 5th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Natural Language Understanding Sender analysis Header analysis	/feeds/core/detection-rules/brand-impersonation-trust-wallet-e456974c
Brand impersonation: TurboTax	Sublime Security	9mo ago Jun 12th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-turbotax-90084031
Brand impersonation: Twitter	Sublime Security	3mo ago Nov 13th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-twitter-013c32c2
Brand impersonation: UK government Home Office	Sublime Security	1mo ago Jan 12th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Lookalike domain Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-uk-government-home-office-f35d846a
Brand impersonation: ukr[.]net	Sublime Security	3y ago Aug 21st, 2023	Credential Phishing Impersonation: Brand Social engineering Sender analysis Threat intelligence	/feeds/core/detection-rules/brand-impersonation-ukrnet-3cb4015f
Brand impersonation: United Healthcare	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-united-healthcare-f8dfff1a
Brand impersonation: UPS	Sublime Security	5mo ago Sep 22nd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Sender analysis	/feeds/core/detection-rules/brand-impersonation-ups-73b68869
Brand impersonation: USPS	Sublime Security	25d ago Feb 13th, 2026	Credential Phishing Image as content Impersonation: Brand Social engineering Computer Vision Content analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-usps-28b9130a
Brand impersonation: Vanta	@itsRobPicard	2y ago Apr 23rd, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-vanta-883d4382
Brand impersonation: Venmo	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-venmo-0ab15d4f
Brand impersonation: Wells Fargo	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-wells-fargo-02d7301f
Brand impersonation: Wise	Sublime Security	2mo ago Dec 12th, 2025	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-wise-01480f95
Brand impersonation: Wix	Sublime Security	5mo ago Sep 23rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-wix-45e7b99f
Brand impersonation: Xodo Sign	Sublime Security	1mo ago Jan 16th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-xodo-sign-e6139052

510 Rules

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