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
Brand impersonation: Paperless Post	Sublime Security	2mo ago Nov 6th, 2025	Credential Phishing Malware/Ransomware Impersonation: Brand Content analysis Header analysis HTML analysis Sender analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-paperless-post-e9ec5e09
Brand impersonation: Proofpoint secure messaging without legitimate indicators	Sublime Security	2mo 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: Purdue ePlanroom with suspicious links	Sublime Security	1mo 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: Sharepoint fake file share	Sublime Security	11d 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	2mo 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: Stripe notification	Sublime Security	3mo 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: UK government Home Office	Sublime Security	11d 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: Zoom	Sublime Security	4mo ago Sep 22nd, 2025	Credential Phishing Impersonation: Brand Social engineering Evasion Computer Vision Content analysis HTML analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/brand-impersonation-zoom-5abad540
Callback phishing via Adobe Sign comment	Sublime Security	11d ago Jan 12th, 2026	Callback Phishing Evasion Impersonation: Brand Out of band pivot Social engineering Content analysis Computer Vision Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/callback-phishing-via-adobe-sign-comment-7eb4516d
Callback phishing via DocuSign comment	Sublime Security	11d ago Jan 12th, 2026	Callback Phishing Evasion Impersonation: Brand Out of band pivot Social engineering Content analysis Computer Vision Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/callback-phishing-via-docusign-comment-48aec918
Callback Phishing via Signable E-Signature Request	Sublime Security	11d ago Jan 12th, 2026	Callback Phishing Exploit Impersonation: Brand Out of band pivot Social engineering Computer Vision Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/callback-phishing-via-signable-e-signature-request-4599575d
Callback phishing via SignFree e-signature request	Sublime Security	11d ago Jan 12th, 2026	Callback Phishing Exploit Impersonation: Brand Out of band pivot Social engineering Computer Vision Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/callback-phishing-via-signfree-e-signature-request-21381c37
Callback phishing via Xodo Sign comment	Sublime Security	11d ago Jan 12th, 2026	Callback Phishing Exploit Impersonation: Brand Out of band pivot Social engineering Computer Vision Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/callback-phishing-via-xodo-sign-comment-6f722c5d
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
ClickFunnels link infrastructure abuse	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free email provider Free subdomain host Social engineering Content analysis Header analysis QR code analysis Sender analysis URL analysis	/feeds/core/detection-rules/clickfunnels-link-infrastructure-abuse-9192fbe9
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
Commonly abused sender TLD with engaging language	Sublime Security	5mo ago Aug 7th, 2025	Credential Phishing Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis	/feeds/core/detection-rules/commonly-abused-sender-tld-with-engaging-language-447386dc
Credential phishing content and link (untrusted sender)	Sublime Security	1mo ago Dec 17th, 2025	Credential Phishing Social engineering Computer Vision Sender analysis URL analysis URL screenshot	/feeds/core/detection-rules/credential-phishing-content-and-link-untrusted-sender-f0c95bb7
Credential phishing: Engaging language and other indicators (untrusted sender)	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/credential-phishing-engaging-language-and-other-indicators-untrusted-sender-c2bc8ca2
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: Generic document sharing	Sublime Security	1mo ago Dec 8th, 2025	Credential Phishing BEC/Fraud Social engineering Evasion Impersonation: Employee Content analysis Natural Language Understanding URL analysis Sender analysis	/feeds/core/detection-rules/credential-phishing-generic-document-sharing-9f0e1d2c
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
Credential phishing language and suspicious indicators (unknown sender)	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/credential-phishing-language-and-suspicious-indicators-unknown-sender-89c186f7
Credential phishing link (unknown sender)	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Social engineering Computer Vision Sender analysis URL analysis URL screenshot	/feeds/core/detection-rules/credential-phishing-link-unknown-sender-a278012b
Credential phishing: Onedrive impersonation	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Free subdomain host Impersonation: Brand Social engineering Content analysis Header analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/credential-phishing-onedrive-impersonation-1f990c92
Credential phishing: Re-Authentication lure	Sublime Security	3mo ago Oct 17th, 2025	Credential Phishing Social engineering Impersonation: Brand Natural Language Understanding Content analysis URL analysis Header analysis Sender analysis	/feeds/core/detection-rules/credential-phishing-re-authentication-lure-2e45d3de
Credential phishing: Suspicious e-sign agreement document notification	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Social engineering Content analysis Header analysis HTML analysis URL analysis Sender analysis	/feeds/core/detection-rules/credential-phishing-suspicious-e-sign-agreement-document-notification-9b68c2d8
Credential Phishing: Suspicious language, link, recipients and other indicators	Sublime Security	6mo ago Jul 16th, 2025	Credential Phishing Evasion Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/credential-phishing-suspicious-language-link-recipients-and-other-indicators-dcb39190
Credential phishing: Tax form impersonation with payment request	Sublime Security	4mo ago Sep 10th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering PDF Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/credential-phishing-tax-form-impersonation-with-payment-request-717695cf
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 message thread with a suspicious link and engaging language from an unknown sender	Sublime Security	2mo ago Nov 12th, 2025	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/fake-message-thread-with-a-suspicious-link-and-engaging-language-from-an-unknown-sender-8fd0e211
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 voicemail notification (untrusted sender)	Sublime Security	1d ago Jan 22nd, 2026	Credential Phishing Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/fake-voicemail-notification-untrusted-sender-74ba7787
Fake Zoho Sign template abuse	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Open redirect Social engineering Content analysis HTML analysis URL analysis	/feeds/core/detection-rules/fake-zoho-sign-template-abuse-785fd0d5
Fake Zoom meeting invite with suspicious link	Sublime Security	1mo ago Dec 1st, 2025	Credential Phishing Impersonation: Brand Evasion Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/fake-zoom-meeting-invite-with-suspicious-link-aba95f23
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
Free subdomain link with credential theft indicators	Sublime Security	2y ago Dec 12th, 2024	Credential Phishing Free subdomain host Content analysis Header analysis Natural Language Understanding Optical Character Recognition URL analysis URL screenshot	/feeds/core/detection-rules/free-subdomain-link-with-credential-theft-indicators-9187479c
Google Accelerated Mobile Pages (AMP) abuse	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Impersonation: Brand Open redirect Computer Vision Content analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis URL screenshot	/feeds/core/detection-rules/google-accelerated-mobile-pages-amp-abuse-46907029
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 Notification alert link from non-Google sender	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/google-notification-alert-link-from-non-google-sender-a1c1acfd
Google presentation open redirect phishing	Sublime Security	1mo ago Dec 11th, 2025	Credential Phishing Evasion Open redirect Social engineering URL analysis HTML analysis	/feeds/core/detection-rules/google-presentation-open-redirect-phishing-5d01ee3a
Google services using g.co shortlinks	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Evasion Free email provider Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/google-services-using-gco-shortlinks-09ff8a73
Image as content with a link to an open redirect (unsolicited)	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Image as content Open redirect Social engineering Content analysis HTML analysis URL analysis	/feeds/core/detection-rules/image-as-content-with-a-link-to-an-open-redirect-unsolicited-f5cec36b
Impersonation: Chrome Web Store policy	Sublime Security	5mo 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: Salesforce fake campaign failure notification	Sublime Security	11d ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/impersonation-salesforce-fake-campaign-failure-notification-d66000ca
Impersonation: Social Security Administration (SSA)	Sublime Security	11d ago Jan 12th, 2026	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/impersonation-social-security-administration-ssa-6196767e

369 Rules

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