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
Link: Multistage Landing - Abused Buildin.ai	Sublime Security	4mo 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	5mo 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	5mo 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 - FreshDesk knowledge base abuse	Sublime Security	5mo 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	1mo 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	5mo 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	11d 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	5mo 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	11d 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	5mo 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	5mo 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	5mo 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	5mo 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	4mo 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: Personal SharePoint with invalid recipients and credential theft language	Sublime Security	7h 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	5mo 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	5mo 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	6mo 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	11d 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: Referrer anonymization service from untrusted sender	Sublime Security	5mo 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	5mo 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	11d 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	5mo 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	11d 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	2d 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
Link: SharePoint filename matches org name	Sublime Security	3mo ago Sep 26th, 2025	Credential Phishing Impersonation: Employee Social engineering Content analysis URL analysis	/feeds/core/detection-rules/link-sharepoint-filename-matches-org-name-cb954726
Link: SharePoint files shared from GoDaddy federated tenants	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Evasion Sender analysis URL analysis	/feeds/core/detection-rules/link-sharepoint-files-shared-from-godaddy-federated-tenants-0e26cdd2
Link: Spam website with evasion indicators	Sublime Security	1mo ago Nov 25th, 2025	Spam Evasion URL analysis URL screenshot Content analysis	/feeds/core/detection-rules/link-spam-website-with-evasion-indicators-08bcd353
Link: Squarespace infrastructure abuse	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Spam Impersonation: Brand Social engineering Header analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-squarespace-infrastructure-abuse-a8fe9d30
Link: Suspicious Sharepoint folder share	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Free file host Evasion HTML analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-suspicious-sharepoint-folder-share-6168a08c
Link: Suspicious URL with recipient targeting and special characters	Sublime Security	1d ago Jan 22nd, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis	/feeds/core/detection-rules/link-suspicious-url-with-recipient-targeting-and-special-characters-e808be3a
Link to a domain with punycode characters	@ajpc500	2mo ago Nov 12th, 2025	Credential Phishing Evasion Lookalike domain Punycode Sender analysis URL analysis	/feeds/core/detection-rules/link-to-a-domain-with-punycode-characters-74b3698c
Link to auto-downloaded disk image in encrypted zip	@ajpc500	11d ago Jan 12th, 2026	Malware/Ransomware Encryption Evasion Social engineering Archive analysis File analysis Sender analysis URL analysis YARA	/feeds/core/detection-rules/link-to-auto-downloaded-disk-image-in-encrypted-zip-b50f0cb1
Link to auto-downloaded DMG in archive	Sublime Security	6mo ago Jul 16th, 2025	Malware/Ransomware Evasion Archive analysis File analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-to-auto-downloaded-dmg-in-archive-dc04cdd8
Link to auto-downloaded DMG in encrypted zip	Sublime Security	6mo ago Jul 16th, 2025	Malware/Ransomware Encryption Evasion Social engineering Archive analysis File analysis Sender analysis URL analysis YARA	/feeds/core/detection-rules/link-to-auto-downloaded-dmg-in-encrypted-zip-43af98d3
Link to auto-downloaded file with Adobe branding	Sublime Security	6mo ago Jul 16th, 2025	Malware/Ransomware Impersonation: Brand Social engineering File analysis Optical Character Recognition Sender analysis URL analysis URL screenshot	/feeds/core/detection-rules/link-to-auto-downloaded-file-with-adobe-branding-e826c2cf
Link to auto-downloaded file with Google Drive branding	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Impersonation: Brand Social engineering Content analysis File analysis Optical Character Recognition URL analysis URL screenshot	/feeds/core/detection-rules/link-to-auto-downloaded-file-with-google-drive-branding-4b5343be
Link to auto-download of a suspicious file type (unsolicited)	Sublime Security	11d ago Jan 12th, 2026	Malware/Ransomware Encryption Evasion LNK Social engineering Archive analysis File analysis Sender analysis URL analysis YARA	/feeds/core/detection-rules/link-to-auto-download-of-a-suspicious-file-type-unsolicited-67ae2152
Link to Google Apps Script macro (unsolicited)	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Social engineering Sender analysis URL analysis	/feeds/core/detection-rules/link-to-google-apps-script-macro-unsolicited-d10146df
Link to Google Apps Script macro via comment tagging	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-to-google-apps-script-macro-via-comment-tagging-66fecd30
Link: Tycoon2FA phishing kit (non-exhaustive)	Sublime Security	19h ago Jan 23rd, 2026	Credential Phishing Free subdomain host Evasion Credential Phishing URL analysis HTML analysis Content analysis	/feeds/core/detection-rules/link-tycoon2fa-phishing-kit-non-exhaustive-a070d4e2
Link: Uncommon SharePoint document type with sender's display name	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Social engineering OneNote PDF Content analysis Header analysis HTML analysis URL analysis	/feeds/core/detection-rules/link-uncommon-sharepoint-document-type-with-senders-display-name-02d290b2
Link: URL scheme obfuscation via split HTML anchors	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing BEC/Fraud Evasion HTML injection Social engineering Content analysis HTML analysis URL analysis	/feeds/core/detection-rules/link-url-scheme-obfuscation-via-split-html-anchors-10375948
Link: Webflow link from unsolicited sender	Sublime Security	5mo ago Aug 5th, 2025	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-webflow-link-from-unsolicited-sender-d4f3b8cf
Link: Zoho form link from unsolicited sender	Sublime Security	5mo ago Aug 5th, 2025	Callback Phishing Free file host Content analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-zoho-form-link-from-unsolicited-sender-eb04a9f2
Low reputation link to auto-downloaded HTML file with smuggling indicators	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Free file host Free subdomain host HTML smuggling Impersonation: Brand Open redirect Social engineering Content analysis File analysis HTML analysis Javascript analysis Sender analysis URL analysis	/feeds/core/detection-rules/low-reputation-link-to-auto-downloaded-html-file-with-smuggling-indicators-339676c6
Malformed URL prefix	Sublime Security	4mo ago Sep 4th, 2025	Credential Phishing Malware/Ransomware Evasion URL analysis	/feeds/core/detection-rules/malformed-url-prefix-4e659d28
Malware: Pikabot delivery via URL auto-download	Sublime Security	2y ago Apr 25th, 2024	Malware/Ransomware Evasion Archive analysis File analysis Threat intelligence URL analysis	/feeds/core/detection-rules/malware-pikabot-delivery-via-url-auto-download-f4be4572
Microsoft device code phishing	@ajpc500	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/microsoft-device-code-phishing-61f3ae67
Mismatched links: Free file share with urgent language	Sublime Security	5mo ago Aug 5th, 2025	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Free file host Social engineering Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/mismatched-links-free-file-share-with-urgent-language-478334c8

369 Rules

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