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 Jul 17th, 2025

Feed Source

GitHub

Attack Type is

Rule Name & Severity	Author	Last Updated	Labels
Attachment: Callback Phishing solicitation via image file	@vector_sec	4d ago Jul 16th, 2025	Callback Phishing Evasion Free email provider Out of band pivot Social engineering Image as content Content analysis Optical Character Recognition Sender analysis URL analysis Computer Vision	/feeds/core/detection-rules/attachment-callback-phishing-solicitation-via-image-file-60acbb36
Attachment: Callback Phishing solicitation via pdf file	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Evasion Free email provider Out of band pivot PDF Social engineering Exif analysis File analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/attachment-callback-phishing-solicitation-via-pdf-file-ac33f097
Attachment: Callback Phishing solicitation via text-based file	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Evasion Out of band pivot Social engineering Content analysis File analysis Header analysis Sender analysis	/feeds/core/detection-rules/attachment-callback-phishing-solicitation-via-text-based-file-ca39c83a
BEC/Fraud: Urgent Language and Suspicious Sending/Infrastructure Patterns	Sublime Security	4mo ago Mar 10th, 2025	BEC/Fraud Callback Phishing Spam Impersonation: Brand Social engineering Free email provider Content analysis Header analysis Sender analysis Whois	/feeds/core/detection-rules/becfraud-urgent-language-and-suspicious-sendinginfrastructure-patterns-ba8a79e0
Brand Impersonation: AliExpress	Sublime Security	2mo ago Apr 28th, 2025	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis URL analysis	/feeds/core/detection-rules/brand-impersonation-aliexpress-b14703d8
Brand impersonation: Quickbooks	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-quickbooks-4fd791d1
Brand Impersonation: QuickBooks Notification From Intuit Themed Company Name	Sublime Security	4mo ago Mar 3rd, 2025	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis	/feeds/core/detection-rules/brand-impersonation-quickbooks-notification-from-intuit-themed-company-name-42058fc4
Brand Impersonation: SiriusXM	Sublime Security	24d ago Jun 26th, 2025	Callback Phishing Credential Phishing Spam Free email provider Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-siriusxm-70eb3792
Brand Impersonation: Vanguard	Sublime Security	3mo ago Apr 11th, 2025	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Impersonation: Brand Natural Language Understanding Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-vanguard-3bd048fe
Brand Impersonation: WeTransfer	Sublime Security	4d ago Jul 16th, 2025	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Impersonation: Brand Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/brand-impersonation-wetransfer-e37885ad
Callback Phishing: AOL Senders with Suspicious HTML Template or PDF Attachment	Sublime Security	1mo ago Jun 3rd, 2025	Callback Phishing Free email provider Social engineering Content analysis Header analysis File analysis HTML analysis Exif analysis Sender analysis	/feeds/core/detection-rules/callback-phishing-aol-senders-with-suspicious-html-template-or-pdf-attachment-f6044eed
Callback Phishing: Branded invoice from sender/reply-to domain less than 30 days old	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Header analysis Natural Language Understanding Optical Character Recognition Whois	/feeds/core/detection-rules/callback-phishing-branded-invoice-from-senderreply-to-domain-less-than-30-days-old-e6f4af53
Callback Phishing in body or attachment (untrusted sender)	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Out of band pivot Social engineering Content analysis File analysis Optical Character Recognition Natural Language Understanding Sender analysis	/feeds/core/detection-rules/callback-phishing-in-body-or-attachment-untrusted-sender-b93c6f94
Callback Phishing: Social Security Administration Fraud	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Evasion Free email provider Out of band pivot PDF Social engineering Exif analysis File analysis Optical Character Recognition Sender analysis	/feeds/core/detection-rules/callback-phishing-social-security-administration-fraud-a9049d52
Callback Phishing solicitation in message body	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Free email provider Impersonation: Brand Out of band pivot Social engineering File analysis Sender analysis	/feeds/core/detection-rules/callback-phishing-solicitation-in-message-body-10a3a446
Callback Phishing: SumUp Infrastructure Abuse	Sublime Security	3mo ago Apr 18th, 2025	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/callback-phishing-sumup-infrastructure-abuse-1c41649e
Callback Phishing via Adobe Sign comment	Sublime Security	4d ago Jul 16th, 2025	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 Calendar Invite	Sublime Security	3mo ago Apr 14th, 2025	Callback Phishing Social engineering Evasion File analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/callback-phishing-via-calendar-invite-95c84360
Callback Phishing via DocuSign comment	Sublime Security	6mo ago Jan 2nd, 2025	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 extensionless rfc822 attachment	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Impersonation: Brand Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/callback-phishing-via-extensionless-rfc822-attachment-197722c4
Callback phishing via Google Group abuse	Sublime Security	4d ago Jul 16th, 2025	Callback Phishing Free email provider Impersonation: Brand Social engineering File analysis Natural Language Understanding Optical Character Recognition Sender analysis	/feeds/core/detection-rules/callback-phishing-via-google-group-abuse-199d873b
Callback phishing via Intuit service abuse	Sublime Security	1mo ago May 21st, 2025	Callback Phishing Evasion Free email provider Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Optical Character Recognition	/feeds/core/detection-rules/callback-phishing-via-intuit-service-abuse-f2fe1294
Callback Phishing via Xodo Sign comment	Sublime Security	4d ago Jul 16th, 2025	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
Callback phishing via Zelle Service Abuse	Sublime Security	4mo ago Feb 24th, 2025	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/callback-phishing-via-zelle-service-abuse-08727484
Callback phishing via Zoho service abuse	Sublime Security	6mo ago Jan 10th, 2025	Callback Phishing Evasion Free email provider Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Optical Character Recognition	/feeds/core/detection-rules/callback-phishing-via-zoho-service-abuse-61e351ec
Canva Infrastructure Abuse	Sublime Security	3mo ago Apr 1st, 2025	BEC/Fraud Callback Phishing Social engineering Impersonation: Brand Impersonation: Employee Free email provider Natural Language Understanding Sender analysis Content analysis	/feeds/core/detection-rules/canva-infrastructure-abuse-b69fdb5c
Encrypted Microsoft Office Files From Untrusted Senders	Sublime Security	17d ago Jul 3rd, 2025	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Encryption Evasion File analysis YARA Sender analysis	/feeds/core/detection-rules/encrypted-microsoft-office-files-from-untrusted-senders-eb7b26e7
Generic Service Abuse From Newly Registered Domain	Sublime Security	3mo ago Apr 15th, 2025	BEC/Fraud Callback Phishing Credential Phishing Evasion Social engineering Header analysis Sender analysis Whois	/feeds/core/detection-rules/generic-service-abuse-from-newly-registered-domain-0937b4c5
Inbound Message from Popular Service Via Newly Observed Distribution List	Sublime Security	4mo ago Mar 20th, 2025	Callback Phishing Evasion Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/inbound-message-from-popular-service-via-newly-observed-distribution-list-8f4bc148
Link: Direct POWR.io Form Builder with Suspicious Patterns	Sublime Security	2mo ago May 5th, 2025	Credential Phishing Callback Phishing Social engineering File analysis URL analysis Content analysis	/feeds/core/detection-rules/link-direct-powrio-form-builder-with-suspicious-patterns-fd37cc93
Link: /index.php Enclosed in Three Asterisks	Sublime Security	1mo ago Jun 10th, 2025	Malware/Ransomware Callback Phishing Social engineering Content analysis URL analysis	/feeds/core/detection-rules/link-indexphp-enclosed-in-three-asterisks-aa4bbafc
Link: Invoice or receipt from freemail sender with customer service number	@vector_sec	2y ago Oct 4th, 2023	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: Jensi File Preview Link from Unsolicited Sender	Sublime Security	4d ago Jul 16th, 2025	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: Webflow Link from Unsolicited Sender	Sublime Security	1mo ago Jun 13th, 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	4d ago Jul 16th, 2025	Callback Phishing Free file host Content analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-zoho-form-link-from-unsolicited-sender-eb04a9f2
Message Traversed Multiple onmicrosoft.com Tenants	Sublime Security	7mo ago Dec 18th, 2024	Callback Phishing Evasion Free email provider Free subdomain host Sender analysis Header analysis	/feeds/core/detection-rules/message-traversed-multiple-onmicrosoftcom-tenants-9cf01c0d
Microsoft Infrastructure Abuse With Suspicious Patterns	Sublime Security	6mo ago Jan 7th, 2025	BEC/Fraud Callback Phishing Evasion Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/microsoft-infrastructure-abuse-with-suspicious-patterns-cfe8e804
Mismatched Links: Free File Share With Urgent Language	Sublime Security	24d ago Jun 26th, 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
PayPal Invoice Abuse	Sublime Security	1mo ago May 23rd, 2025	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/paypal-invoice-abuse-0ff7a0d4
Service Abuse: Adobe Sign Notification From an Unsolicited Reply-To Address	Sublime Security	2mo ago Apr 30th, 2025	BEC/Fraud Callback Phishing Spam Social engineering Impersonation: Brand Header analysis Sender analysis	/feeds/core/detection-rules/service-abuse-adobe-sign-notification-from-an-unsolicited-reply-to-address-d00893ba
Service Abuse: DocuSign Notification with Suspicious Sender or Document Name	Sublime Security	3mo ago Apr 11th, 2025	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis	/feeds/core/detection-rules/service-abuse-docusign-notification-with-suspicious-sender-or-document-name-5e4707cd
Service Abuse: Dropbox Share From an Unsolicited Reply-To Address	Sublime Security	3mo ago Apr 11th, 2025	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis	/feeds/core/detection-rules/service-abuse-dropbox-share-from-an-unsolicited-reply-to-address-50a1499f
Service Abuse: Dropbox Share From New Domain	Sublime Security	3mo ago Apr 11th, 2025	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis	/feeds/core/detection-rules/service-abuse-dropbox-share-from-new-domain-0e664bd9
Service Abuse: Dropbox Share with Suspicious Sender or Document Name	Sublime Security	5mo ago Jan 24th, 2025	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis	/feeds/core/detection-rules/service-abuse-dropbox-share-with-suspicious-sender-or-document-name-27007c9f
Service Abuse: Google Drive Share From an Unsolicited Reply-To Address	Sublime Security	3mo ago Apr 11th, 2025	BEC/Fraud Callback Phishing Credential Phishing Free email provider Social engineering Free file host Header analysis Sender analysis	/feeds/core/detection-rules/service-abuse-google-drive-share-from-an-unsolicited-reply-to-address-4581ec0c
Service Abuse: Google Drive Share From New Reply-To Domain	Sublime Security	6mo ago Jan 9th, 2025	BEC/Fraud Callback Phishing Credential Phishing Free email provider Social engineering Free file host Header analysis Sender analysis Whois	/feeds/core/detection-rules/service-abuse-google-drive-share-from-new-reply-to-domain-c1a2d367
Service Abuse: HelloSign Share with Suspicious Sender or Document Name	Sublime Security	1mo ago May 23rd, 2025	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis	/feeds/core/detection-rules/service-abuse-hellosign-share-with-suspicious-sender-or-document-name-464d98f3
Service Abuse: Payoneer Callback Scam	Sublime Security	8mo ago Nov 5th, 2024	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis	/feeds/core/detection-rules/service-abuse-payoneer-callback-scam-b7fb174c
Service Abuse: QuickBooks Notification From New Domain	Sublime Security	3mo ago Apr 11th, 2025	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis	/feeds/core/detection-rules/service-abuse-quickbooks-notification-from-new-domain-c4f46473
Service Abuse: QuickBooks Notification with Suspicious Comments	Sublime Security	18d ago Jul 2nd, 2025	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis	/feeds/core/detection-rules/service-abuse-quickbooks-notification-with-suspicious-comments-a23d0950