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 Dec 19th, 2025

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Rule Name & Severity	Author	Last Updated	Labels
Brand impersonation: American Express (AMEX)	Sublime Security	5mo ago Jul 10th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-american-express-amex-992a9fa9
Brand impersonation: Aramco	Sublime Security	1mo ago Nov 20th, 2025	BEC/Fraud Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-aramco-96e87699
Brand impersonation: Bank of America	Sublime Security	1y ago Jun 14th, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-bank-of-america-d2fc6ea1
Brand impersonation: Barracuda Networks	Sublime Security	2mo ago Sep 26th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-barracuda-networks-583fd5eb
Brand impersonation: Binance	Sublime Security	3mo ago Sep 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/brand-impersonation-binance-c3302a76
Brand impersonation: Blockchain[.]com	Sublime Security	1y ago Apr 23rd, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-blockchaincom-0d85e555
Brand impersonation: Capital One	Sublime Security	1mo ago Nov 17th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Computer Vision Sender analysis Header analysis	/feeds/core/detection-rules/brand-impersonation-capital-one-d53848e4
Brand impersonation: Charles Schwab	Sublime Security	3mo ago Sep 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-charles-schwab-7abde595
Brand impersonation: Chase Bank	Sublime Security	3mo ago Sep 22nd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-chase-bank-c680f1e7
Brand impersonation: Coinbase	Sublime Security	1mo ago Nov 4th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-coinbase-3dca757a
Brand impersonation: DHL	Sublime Security	20d ago Dec 1st, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-dhl-be4b4ae0
Brand impersonation: DigitalOcean	Sublime Security	3mo ago Sep 18th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-digitalocean-7f2f0e97
Brand impersonation: DocSend	Sublime Security	4mo 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 Dec 10th, 2025	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: Fastway	Sublime Security	3mo ago Sep 12th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-fastway-0170dbf2
Brand impersonation: FedEx	Sublime Security	6mo ago Jun 17th, 2025	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	2mo 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: Github	Sublime Security	1mo 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: Google using Microsoft Forms	Sublime Security	2y ago Aug 21st, 2023	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	19d 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: Gusto	Sublime Security	3mo ago Sep 22nd, 2025	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	3mo ago Sep 22nd, 2025	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	1y 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: KnowBe4	Sublime Security	1y 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	11mo 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	10d ago Dec 11th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-linkedin-1a0cde6d
Brand impersonation: Meta and subsidiaries	Sublime Security	1mo ago Oct 30th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-meta-and-subsidiaries-e38f1e3b
Brand impersonation: Netflix	min0k	2mo ago Oct 1st, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-netflix-9f39eea5
Brand impersonation: Office 365 mail service	Sublime Security	2mo ago Oct 10th, 2025	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	2mo 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	1y 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	3mo ago Sep 22nd, 2025	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	2mo 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: ShareFile	Sublime Security	2d ago Dec 19th, 2025	Credential Phishing Impersonation: Brand Evasion Lookalike domain Header analysis Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-sharefile-f8330307
Brand impersonation: Silicon Valley Bank	Sublime Security	1y ago Apr 25th, 2024	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis Whois	/feeds/core/detection-rules/brand-impersonation-silicon-valley-bank-a01f61d9
Brand impersonation: Spotify	Sublime Security	5mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-spotify-70e80f91
Brand Impersonation: Stripe	Sublime Security	3mo ago Aug 26th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-stripe-862d4654
Brand impersonation: Sublime Security	Sublime Security	2mo ago Oct 3rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-sublime-security-949484ed
Brand impersonation: TurboTax	Sublime Security	6mo 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	1mo 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	3mo ago Sep 15th, 2025	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: UPS	Sublime Security	3mo 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: Vanta	@itsRobPicard	1y 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	5mo ago Jul 16th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/brand-impersonation-venmo-0ab15d4f
Brand impersonation: Wells Fargo	Sublime Security	11mo ago Jan 15th, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Content analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-wells-fargo-02d7301f
Brand impersonation: Wix	Sublime Security	2mo ago Sep 23rd, 2025	Credential Phishing Impersonation: Brand Lookalike domain Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-wix-45e7b99f
Fraudulent e-commerce operators	Sublime Security	4mo ago Aug 5th, 2025	BEC/Fraud Impersonation: Brand Lookalike domain Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/fraudulent-e-commerce-operators-3776a6fc
Impersonation: Chrome Web Store policy	Sublime Security	4mo ago Aug 5th, 2025	Credential Phishing Impersonation: Brand Free email provider Lookalike domain Content analysis Header analysis HTML analysis Sender analysis URL analysis	/feeds/core/detection-rules/impersonation-chrome-web-store-policy-4a98f283
Impersonation: Suspected supplier impersonation with suspicious content	Sublime Security	10mo ago Feb 3rd, 2025	BEC/Fraud Evasion Free email provider Lookalike domain Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis Whois	/feeds/core/detection-rules/impersonation-suspected-supplier-impersonation-with-suspicious-content-63d8b1ce
Link: HR impersonation with suspicious domain indicators and credential theft	Sublime Security	18d ago Dec 3rd, 2025	Credential Phishing Impersonation: Employee Social engineering Lookalike domain Content analysis Natural Language Understanding Computer Vision URL analysis URL screenshot	/feeds/core/detection-rules/link-hr-impersonation-with-suspicious-domain-indicators-and-credential-theft-f31f8831

58 Rules

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