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

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Attachment: Calendar invite with suspicious link leading to an open redirect	Sublime Security	6mo ago Jul 16th, 2025	Spam Free email provider Free file host Free subdomain host Open redirect Content analysis URL analysis	/feeds/core/detection-rules/attachment-calendar-invite-with-suspicious-link-leading-to-an-open-redirect-5d6294c7
Attachment: EML file with IPFS links	Sublime Security	2mo ago Nov 4th, 2025	Credential Phishing Evasion Free file host Free subdomain host IPFS File analysis URL analysis	/feeds/core/detection-rules/attachment-eml-file-with-ipfs-links-1fe9d7e7
Attachment: EML with link to credential phishing page	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Evasion Free file host Free subdomain host Social engineering Computer Vision Content analysis File analysis Header analysis HTML analysis Natural Language Understanding Optical Character Recognition URL analysis URL screenshot	/feeds/core/detection-rules/attachment-eml-with-link-to-credential-phishing-page-1df41cca
Attachment: Fake scan-to-email	Sublime Security	4mo ago Sep 22nd, 2025	Credential Phishing Free file host Image as content PDF Social engineering Content analysis File analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/attachment-fake-scan-to-email-ea850cc1
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: 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 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
Canva design with suspicious embedded link	Sublime Security	3mo ago Sep 29th, 2025	Credential Phishing Evasion Social engineering Free file host HTML analysis URL analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/canva-design-with-suspicious-embedded-link-02959e22
Catbox.moe link from untrusted source	Sublime Security	5mo ago Aug 5th, 2025	Malware/Ransomware Free file host Social engineering Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/catboxmoe-link-from-untrusted-source-d6041a8b
Cloud storage impersonation with credential theft indicators	Sublime Security	4mo ago Sep 22nd, 2025	Credential Phishing Free file host Image as content Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/cloud-storage-impersonation-with-credential-theft-indicators-4c20f72c
Credential phishing: Engaging language with IPFS link	Sublime Security	2y ago May 3rd, 2024	Credential Phishing Free file host Free subdomain host IPFS Content analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/credential-phishing-engaging-language-with-ipfs-link-996c4d83
Credential phishing: Hyper-linked image leading to free file host	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Evasion Free file host Image as content Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/credential-phishing-hyper-linked-image-leading-to-free-file-host-f5cb1eca
Deceptive Dropbox mention	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Free file host Free subdomain host Social engineering Header analysis Content analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/deceptive-dropbox-mention-58a107bc
DocuSign impersonation via CloudHQ links	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Free file host Header analysis URL analysis Content analysis Sender analysis	/feeds/core/detection-rules/docusign-impersonation-via-cloudhq-links-44ba2fee
Fake scan-to-email message	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free file host Social engineering Content analysis Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/fake-scan-to-email-message-78851fbe
Fake shipping notification with link to free file hosting	Sublime Security	2y ago Jul 10th, 2024	Spam Free file host Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/fake-shipping-notification-with-link-to-free-file-hosting-6d3fe05e
File sharing link from suspicious sender domain	Sublime Security	4mo ago Aug 27th, 2025	Credential Phishing Malware/Ransomware Free file host Sender analysis URL analysis	/feeds/core/detection-rules/file-sharing-link-from-suspicious-sender-domain-95f20354
File sharing link with a suspicious subject	Sublime Security	6mo ago Jul 16th, 2025	BEC/Fraud Free file host Social engineering Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/file-sharing-link-with-a-suspicious-subject-a306e2a6
Google Drive abuse: Credential phishing link	Sublime Security	2y ago Jul 31st, 2024	Credential Phishing Free file host Impersonation: Brand Computer Vision Natural Language Understanding Optical Character Recognition Sender analysis URL analysis URL screenshot	/feeds/core/detection-rules/google-drive-abuse-credential-phishing-link-c74aece0
Google Drive direct download link from unsolicited sender	Sublime Security	6mo ago Jul 16th, 2025	Malware/Ransomware Credential Phishing Evasion Social engineering Free file host URL analysis Sender analysis Content analysis	/feeds/core/detection-rules/google-drive-direct-download-link-from-unsolicited-sender-78a19343
Google share notification with suspicious comments	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: VIP Free file host HTML analysis Header analysis Sender analysis Content analysis	/feeds/core/detection-rules/google-share-notification-with-suspicious-comments-c69c9924
Invoicera infrastructure abuse	Sublime Security	2y ago Mar 7th, 2024	Credential Phishing Spam Free file host Free subdomain host Image as content Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/invoicera-infrastructure-abuse-1e56f310
Issuu document with suspicious embedded link	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Social engineering Free file host Evasion URL analysis URL screenshot Natural Language Understanding Optical Character Recognition	/feeds/core/detection-rules/issuu-document-with-suspicious-embedded-link-0d73f43d
Link: Abused Adobe Express	Sublime Security	6mo ago Jul 23rd, 2025	Credential Phishing Evasion Free subdomain host Free file host Content analysis Sender analysis URL analysis Whois HTML analysis	/feeds/core/detection-rules/link-abused-adobe-express-c7d17bfd
Link: Adobe share from unsolicited sender	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis	/feeds/core/detection-rules/link-adobe-share-from-unsolicited-sender-8e29ab33
Link: Adobe share with suspicious indicators	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Free file host Content analysis URL screenshot Sender analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/link-adobe-share-with-suspicious-indicators-b33cae80
Link: Direct link to gamma.app document with mode parameter	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis	/feeds/core/detection-rules/link-direct-link-to-gammaapp-document-with-mode-parameter-080ab581
Link: Direct link to keap.app contact-us page	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis	/feeds/core/detection-rules/link-direct-link-to-keapapp-contact-us-page-a7a69267
Link: Direct link to limewire hosted file	Sublime Security	5mo ago Aug 18th, 2025	Malware/Ransomware Free file host URL analysis Content analysis	/feeds/core/detection-rules/link-direct-link-to-limewire-hosted-file-70840d00
Link: Direct link to riddle.com hosted showcase	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free file host Sender analysis URL analysis Header analysis	/feeds/core/detection-rules/link-direct-link-to-riddlecom-hosted-showcase-cca7d2f5
Link: Figma design deck with credential theft language	Sublime Security	5mo ago Aug 5th, 2025	Credential Phishing Evasion Free file host Social engineering Natural Language Understanding Computer Vision Optical Character Recognition URL analysis URL screenshot Sender analysis	/feeds/core/detection-rules/link-figma-design-deck-with-credential-theft-language-87601924
Link: Free file hosting with undisclosed recipients	Sublime Security	4mo ago Sep 11th, 2025	Credential Phishing Malware/Ransomware Free file host Free subdomain host Evasion Header analysis URL analysis Sender analysis Natural Language Understanding	/feeds/core/detection-rules/link-free-file-hosting-with-undisclosed-recipients-b6281306
Link: Google Calendar invite linking to an open redirect from an untrusted freemail sender	Sublime Security	6mo ago Jul 16th, 2025	Spam Free email provider Free file host Open redirect Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-google-calendar-invite-linking-to-an-open-redirect-from-an-untrusted-freemail-sender-bb4f1ea9
Link: IPFS	Sublime Security	11d 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: Jensi file preview link from unsolicited sender	Sublime Security	11d 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: Multistage landing - Abused Adobe frame.io	Sublime Security	5mo 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	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 - 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: 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: 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: Secure SharePoint file share from new or unusual sender	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis	/feeds/core/detection-rules/link-secure-sharepoint-file-share-from-new-or-unusual-sender-74ed3020
Link: Suspicious SharePoint document name	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis	/feeds/core/detection-rules/link-suspicious-sharepoint-document-name-f95fee6e
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: 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

72 Rules

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