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 21st, 2025

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	11mo ago Apr 25th, 2024	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	11mo ago Apr 25th, 2024	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 Sep 13th, 2024	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 Oct 28th, 2024	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	1y ago Feb 23rd, 2024	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	8mo ago Jun 27th, 2024	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	3mo ago Dec 18th, 2024	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
Credential phishing: Engaging language with IPFS link	Sublime Security	10mo 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	10mo ago May 2nd, 2024	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
Fake scan-to-email message	Sublime Security	9mo ago Jun 7th, 2024	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	8mo 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	2mo ago Jan 13th, 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	11mo ago Apr 23rd, 2024	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	7mo 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	18d ago Mar 5th, 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	4mo ago Nov 13th, 2024	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	1y 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
Link: Abused Adobe Express	Sublime Security	3mo ago Dec 16th, 2024	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	5mo ago Oct 24th, 2024	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	3mo ago Dec 3rd, 2024	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: Google Calendar invite linking to an open redirect from an untrusted freemail sender	Sublime Security	5mo ago Oct 10th, 2024	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	5mo ago Oct 16th, 2024	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	5mo ago Oct 2nd, 2024	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	20d ago Mar 3rd, 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 Docusign	Sublime Security	2mo ago Jan 3rd, 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	3mo ago Dec 3rd, 2024	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: Secure SharePoint file share from new or unusual sender	Sublime Security	20d ago Mar 3rd, 2025	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	1mo ago Jan 24th, 2025	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	6mo ago Sep 23rd, 2024	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	6mo ago Sep 16th, 2024	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	4mo ago Nov 5th, 2024	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	10mo ago May 9th, 2024	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
Notion suspicious file share	Sublime Security	2y ago Dec 15th, 2023	Credential Phishing Malware/Ransomware Evasion Free file host Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/notion-suspicious-file-share-f7307929
Service Abuse: DocSend Share From an Unsolicited Reply-To Address	Sublime Security	3mo ago Dec 18th, 2024	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/service-abuse-docsend-share-from-an-unsolicited-reply-to-address-b377e64c
Service Abuse: DocSend Share From Newly Registered Domain	Sublime Security	3mo ago Dec 18th, 2024	BEC/Fraud Credential Phishing Evasion Free file host Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/service-abuse-docsend-share-from-newly-registered-domain-3bc152f2
Service Abuse: DocuSign Share From an Unsolicited Reply-To Address	Sublime Security	3mo ago Dec 18th, 2024	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/service-abuse-docusign-share-from-an-unsolicited-reply-to-address-2f12d616
Service Abuse: Google Drive Share From an Unsolicited Reply-To Address	Sublime Security	2mo ago Jan 2nd, 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	2mo 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
Spam: Campaign with excessive space/char obfuscation and free file hosted link	Sublime Security	2y ago Nov 18th, 2023	Spam Free file host Content analysis Sender analysis	/feeds/core/detection-rules/spam-campaign-with-excessive-spacechar-obfuscation-and-free-file-hosted-link-122bc0ca
Spoofable internal domain with suspicious signals	Sublime Security	10mo ago May 3rd, 2024	Credential Phishing Free file host Free subdomain host Social engineering Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/spoofable-internal-domain-with-suspicious-signals-40089d69
Suspicious DocuSign Share From New Domain	Sublime Security	2mo ago Jan 2nd, 2025	BEC/Fraud Credential Phishing Evasion Free file host Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/suspicious-docusign-share-from-new-domain-d430a1f3
Suspicious SharePoint File Sharing	Sublime Security	3mo ago Dec 18th, 2024	Credential Phishing Free email provider Free file host OneNote PDF Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/suspicious-sharepoint-file-sharing-971c3d9c