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

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Link: Google Firebase dynamic link that redirects to new domain (<7 days old)	@ajpc500	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis Whois	/feeds/core/detection-rules/link-google-firebase-dynamic-link-that-redirects-to-new-domain-less7-days-old-5a204a37
Link: Google Forms link with credential theft language	Sublime Security	8d ago Mar 2nd, 2026	Credential Phishing Social engineering Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/link-google-forms-link-with-credential-theft-language-0cad40e2
Link: Google Translate (unsolicited)	@ajpc500	1mo ago Jan 12th, 2026	Credential Phishing Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/link-google-translate-unsolicited-6949e115
Link: GoPhish query param values	Sublime Security	2mo ago Jan 5th, 2026	Credential Phishing Malware/Ransomware Evasion URL analysis	/feeds/core/detection-rules/link-gophish-query-param-values-6d2b9c8a
Link: Hotel booking spoofed display URL	Sublime Security	21d ago Feb 17th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering URL analysis Sender analysis	/feeds/core/detection-rules/link-hotel-booking-spoofed-display-url-96deeec7
Link: HR impersonation with suspicious domain indicators and credential theft	Sublime Security	3mo 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
Link: HTML file with suspicious binary fragment ending pattern	Sublime Security	1mo ago Jan 29th, 2026	Credential Phishing Evasion URL analysis	/feeds/core/detection-rules/link-html-file-with-suspicious-binary-fragment-ending-pattern-dc5e3700
Link: /index.php enclosed in three asterisks	Sublime Security	1mo ago Jan 12th, 2026	Malware/Ransomware Callback Phishing Social engineering Content analysis URL analysis	/feeds/core/detection-rules/link-indexphp-enclosed-in-three-asterisks-aa4bbafc
Link: Intuit link abuse with file share context	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering URL analysis Natural Language Understanding Content analysis Header analysis	/feeds/core/detection-rules/link-intuit-link-abuse-with-file-share-context-cd15cc34
Link: Invoice or receipt from freemail sender with customer service number	@vector_sec	1mo ago Jan 12th, 2026	BEC/Fraud Callback Phishing Free email provider Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-invoice-or-receipt-from-freemail-sender-with-customer-service-number-3825232d
Link: IPFS	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host IPFS Sender analysis URL analysis	/feeds/core/detection-rules/link-ipfs-19fa6442
Link: IPv4-mapped IPv6 address obfuscation	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis	/feeds/core/detection-rules/link-ipv4-mapped-ipv6-address-obfuscation-caacf30c
Link: JavaScript obfuscation with Telegram bot integration	Sublime Security	13d ago Feb 25th, 2026	Credential Phishing Evasion Scripting Content analysis Javascript analysis URL analysis	/feeds/core/detection-rules/link-javascript-obfuscation-with-telegram-bot-integration-032a4485
Link: Jensi file preview link from unsolicited sender	Sublime Security	1mo ago Jan 12th, 2026	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-jensi-file-preview-link-from-unsolicited-sender-122b39f3
Link: Mamba 2FA phishing kit	Sublime Security	1mo ago Jan 28th, 2026	Credential Phishing Evasion Social engineering URL analysis	/feeds/core/detection-rules/link-mamba-2fa-phishing-kit-8d527c0f
Link: Microsoft Dynamics 365 form phishing	Sublime Security	1mo ago Jan 27th, 2026	Credential Phishing Evasion Content analysis File analysis Optical Character Recognition Natural Language Understanding URL analysis URL screenshot	/feeds/core/detection-rules/link-microsoft-dynamics-365-form-phishing-f72b9085
Link: Microsoft impersonation using hosted png with suspicious link	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/link-microsoft-impersonation-using-hosted-png-with-suspicious-link-07c696d4
Link: Microsoft protected message with matching sender and recipient addresses	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Content analysis File analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-microsoft-protected-message-with-matching-sender-and-recipient-addresses-a5a2f75d
Link: Mixed case HTTPS protocol	Sublime Security	11h ago Mar 9th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis	/feeds/core/detection-rules/link-mixed-case-https-protocol-f3424a81
Link: Multiple HTTP protocols in single URL	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Content analysis URL analysis	/feeds/core/detection-rules/link-multiple-http-protocols-in-single-url-92f9d241
Link: Multistage landing - Abused Adobe Acrobat hosted PDF	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Optical Character Recognition URL analysis Header analysis Sender analysis	/feeds/core/detection-rules/link-multistage-landing-abused-adobe-acrobat-hosted-pdf-609081ef
Link: Multistage landing - Abused Adobe frame.io	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free file host Content analysis Whois Computer Vision URL analysis HTML analysis	/feeds/core/detection-rules/link-multistage-landing-abused-adobe-frameio-a6c457c5
Link: Multistage Landing - Abused Buildin.ai	Sublime Security	6mo ago Sep 5th, 2025	Credential Phishing Free file host Social engineering URL analysis Natural Language Understanding	/feeds/core/detection-rules/link-multistage-landing-abused-buildinai-e0a79ef5
Link: Multistage landing - Abused Docusign	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free subdomain host Free file host Content analysis Sender analysis URL analysis Whois HTML analysis	/feeds/core/detection-rules/link-multistage-landing-abused-docusign-4189a645
Link: Multistage landing - Abused Google Drive	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free email provider Free file host Content analysis Sender analysis URL analysis Whois HTML analysis	/feeds/core/detection-rules/link-multistage-landing-abused-google-drive-c86288b4
Link: Multistage landing - ClickUp abuse	Sublime Security	11d ago Feb 27th, 2026	Credential Phishing Malware/Ransomware Evasion Free file host Free subdomain host Open redirect URL analysis Whois Content analysis	/feeds/core/detection-rules/link-multistage-landing-clickup-abuse-78a5d035
Link: Multistage landing - FreshDesk knowledge base abuse	Sublime Security	6mo ago Aug 21st, 2025	Credential Phishing Open redirect Impersonation: Brand Social engineering Content analysis Natural Language Understanding URL analysis URL screenshot	/feeds/core/detection-rules/link-multistage-landing-freshdesk-knowledge-base-abuse-edd6acf7
Link: Multistage landing - JotForm abuse	Sublime Security	3mo ago Dec 1st, 2025	Credential Phishing Evasion Social engineering Content analysis HTML analysis Javascript analysis URL analysis	/feeds/core/detection-rules/link-multistage-landing-jotform-abuse-5b64326f
Link: Multistage landing - Ludus presentation	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Social engineering Impersonation: Brand Header analysis URL analysis Computer Vision URL screenshot Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/link-multistage-landing-ludus-presentation-a8b3c311
Link: Multistage landing - Microsoft Forms abuse	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering HTML analysis URL analysis Content analysis	/feeds/core/detection-rules/link-multistage-landing-microsoft-forms-abuse-85a2cd12
Link: Multistage landing - Published Google Doc	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Natural Language Understanding URL analysis Whois	/feeds/core/detection-rules/link-multistage-landing-published-google-doc-031e1ff8
Link: Multistage landing - Scribd document	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Impersonation: Brand Free file host URL analysis HTML analysis Natural Language Understanding Computer Vision Optical Character Recognition URL screenshot	/feeds/core/detection-rules/link-multistage-landing-scribd-document-afa9807d
Link: Multistage landing - Trello board abuse	Sublime Security	6mo ago Aug 20th, 2025	Credential Phishing Free file host Social engineering URL analysis Content analysis Sender analysis URL screenshot	/feeds/core/detection-rules/link-multistage-landing-trello-board-abuse-14a5b23a
Link: MyActiveCampaign Link Abuse	Sublime Security	6mo ago Aug 20th, 2025	Credential Phishing Social engineering Natural Language Understanding URL analysis Sender analysis	/feeds/core/detection-rules/link-myactivecampaign-link-abuse-f5b91ce5
Link: Obfuscation via userinfo with excessive URL padding	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Impersonation: Brand URL analysis	/feeds/core/detection-rules/link-obfuscation-via-userinfo-with-excessive-url-padding-806317a3
Link: .onion From Unsolicited Sender	Sublime Security	7mo ago Jul 30th, 2025	Malware/Ransomware Credential Phishing Evasion Social engineering URL analysis Header analysis Sender analysis	/feeds/core/detection-rules/link-onion-from-unsolicited-sender-9ac0fc83
Link: PDF and financial display text to free file host	Sublime Security	5mo ago Sep 24th, 2025	Credential Phishing Free file host Free email provider Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-pdf-and-financial-display-text-to-free-file-host-b010740b
Link: PDF filename impersonation with credential theft language	Sublime Security	26d ago Feb 12th, 2026	Credential Phishing Social engineering Evasion PDF Content analysis Natural Language Understanding Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-pdf-filename-impersonation-with-credential-theft-language-05931513
Link: Personal SharePoint with invalid recipients and credential theft language	Sublime Security	1mo ago Jan 23rd, 2026	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/link-personal-sharepoint-with-invalid-recipients-and-credential-theft-language-79d5403d
Link: QR code with phishing disposition in img or pdf	Sublime Security	7mo ago Jul 30th, 2025	Credential Phishing QR code Social engineering Content analysis Computer Vision QR code analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-qr-code-with-phishing-disposition-in-img-or-pdf-8e8949f6
Link: QR Code with suspicious language (untrusted sender)	Sublime Security	7mo ago Jul 30th, 2025	Credential Phishing Impersonation: Brand QR code Social engineering Content analysis Computer Vision Natural Language Understanding QR code analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-qr-code-with-suspicious-language-untrusted-sender-25a84d1c
Link: QuickBooks image lure with suspicious link	Sublime Security	7mo ago Jul 23rd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Optical Character Recognition URL analysis	/feeds/core/detection-rules/link-quickbooks-image-lure-with-suspicious-link-3826a923
Link: Recipient domain in URL path	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Lookalike domain Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-recipient-domain-in-url-path-de08731f
Link: Recipient email address in 'eta' parameter	Sublime Security	1mo ago Jan 27th, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis	/feeds/core/detection-rules/link-recipient-email-address-in-eta-parameter-d24e42a2
Link: Referrer anonymization service from untrusted sender	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Open redirect Evasion Header analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-referrer-anonymization-service-from-untrusted-sender-9fab2e1e
Link: Romance/Sexual Language With Suspicious Link	Sublime Security	6mo ago Aug 22nd, 2025	Spam Social engineering Content analysis Header analysis URL analysis Whois	/feeds/core/detection-rules/link-romancesexual-language-with-suspicious-link-d5694cae
Link: ScreenConnect installer with suspicious relay domain	Sublime Security	1mo ago Jan 12th, 2026	Malware/Ransomware Evasion Out of band pivot Social engineering URL analysis File analysis Content analysis	/feeds/core/detection-rules/link-screenconnect-installer-with-suspicious-relay-domain-37d21eef
Link: Scribd fullscreen link from suspicious sender	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Evasion URL analysis Sender analysis	/feeds/core/detection-rules/link-scribd-fullscreen-link-from-suspicious-sender-9e9bc972
Link: Self-sender with sender org in subject and credential theft indicator	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis Sender analysis URL analysis Header analysis	/feeds/core/detection-rules/link-self-sender-with-sender-org-in-subject-and-credential-theft-indicator-bfa9aa08
Link: Self-sent message with quarterly document review request	Sublime Security	1mo ago Jan 21st, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-self-sent-message-with-quarterly-document-review-request-3c42cec6

405 Rules

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