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 13th, 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	8mo ago Jul 16th, 2025	Spam Free email provider Free file host Free subdomain host Open redirect Content analysis URL analysis
Attachment: EML file with IPFS links	Sublime Security	4mo ago Nov 4th, 2025	Credential Phishing Evasion Free file host Free subdomain host IPFS File analysis URL analysis
Attachment: EML with link to credential phishing page	Sublime Security	8mo 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
Attachment: Fake scan-to-email	Sublime Security	5mo 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
Attachment: PDF with multistage landing - ClickUp abuse	Sublime Security	15d ago Feb 27th, 2026	Credential Phishing Evasion Free file host Free subdomain host PDF Social engineering File analysis URL analysis Whois
Brand impersonation: Fake Fax	Sublime Security	1mo ago Feb 5th, 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
Brand impersonation: Microsoft quarantine release notification in image attachment	Sublime Security	8mo 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
Brand impersonation: Microsoft with low reputation links	Sublime Security	2mo 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
Canva design with suspicious embedded link	Sublime Security	5mo ago Sep 29th, 2025	Credential Phishing Evasion Social engineering Free file host HTML analysis URL analysis Natural Language Understanding Sender analysis
Catbox.moe link from untrusted source	Sublime Security	7mo ago Aug 5th, 2025	Malware/Ransomware Free file host Social engineering Header analysis Sender analysis URL analysis
Cloud storage impersonation with credential theft indicators	Sublime Security	22h ago Mar 13th, 2026	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
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
Credential phishing: Hyper-linked image leading to free file host	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free file host Image as content Social engineering Content analysis Header analysis Sender analysis URL analysis
Deceptive Dropbox mention	Sublime Security	2mo 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
DocuSign impersonation via CloudHQ links	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing BEC/Fraud Impersonation: Brand Free file host Header analysis URL analysis Content analysis Sender analysis
Fake scan-to-email message	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Free file host Social engineering Content analysis Optical Character Recognition Sender analysis URL analysis
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
File sharing link from suspicious sender domain	Sublime Security	29d ago Feb 13th, 2026	Credential Phishing Malware/Ransomware Free file host Sender analysis URL analysis
File sharing link with a suspicious subject	Sublime Security	25d ago Feb 17th, 2026	BEC/Fraud Free file host Social engineering Header analysis Sender analysis URL analysis
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
Google Drive direct download link from unsolicited sender	Sublime Security	8mo ago Jul 16th, 2025	Malware/Ransomware Credential Phishing Evasion Social engineering Free file host URL analysis Sender analysis Content analysis
Google share notification with suspicious comments	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Impersonation: VIP Free file host HTML analysis Header analysis Sender analysis Content analysis
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
Issuu document with suspicious embedded link	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Social engineering Free file host Evasion URL analysis URL screenshot Natural Language Understanding Optical Character Recognition
Link: Abused Adobe Express	Sublime Security	7mo ago Jul 23rd, 2025	Credential Phishing Evasion Free subdomain host Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Adobe share from unsolicited sender	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis
Link: Adobe share with suspicious indicators	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Evasion Free file host Content analysis URL screenshot Sender analysis Natural Language Understanding URL analysis
Link: Commonly Abused Web Service redirecting to ZIP file	Sublime Security	4d ago Mar 10th, 2026	Malware/Ransomware Free file host Free subdomain host Open redirect Evasion URL analysis Whois Archive analysis
Link: Direct link to gamma.app document with mode parameter	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis
Link: Direct link to keap.app contact-us page	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis
Link: Direct link to limewire hosted file	Sublime Security	6mo ago Aug 18th, 2025	Malware/Ransomware Free file host URL analysis Content analysis
Link: Direct link to riddle.com hosted showcase	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Free file host Sender analysis URL analysis Header analysis
Link: Figma design deck with credential theft language	Sublime Security	10d ago Mar 4th, 2026	Credential Phishing Evasion Free file host Social engineering Natural Language Understanding Computer Vision Optical Character Recognition URL analysis URL screenshot Sender analysis
Link: Free file hosting with undisclosed recipients	Sublime Security	19d ago Feb 23rd, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host Evasion Header analysis URL analysis Sender analysis Natural Language Understanding
Link: Google Calendar invite linking to an open redirect from an untrusted freemail sender	Sublime Security	8mo ago Jul 16th, 2025	Spam Free email provider Free file host Open redirect Social engineering Content analysis Sender analysis URL analysis
Link: IPFS	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host IPFS Sender analysis URL analysis
Link: Jensi file preview link from unsolicited sender	Sublime Security	2mo ago Jan 12th, 2026	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis
Link: Multistage landing - Abused Adobe frame.io	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free file host Content analysis Whois Computer Vision URL analysis HTML analysis
Link: Multistage Landing - Abused Buildin.ai	Sublime Security	6mo ago Sep 5th, 2025	Credential Phishing Free file host Social engineering URL analysis Natural Language Understanding
Link: Multistage landing - Abused Docusign	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free subdomain host Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Multistage landing - Abused Google Drive	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Evasion Free email provider Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Multistage landing - ClickUp abuse	Sublime Security	15d ago Feb 27th, 2026	Credential Phishing Malware/Ransomware Evasion Free file host Free subdomain host Open redirect URL analysis Whois Content analysis
Link: Multistage landing - Published Google Doc	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Natural Language Understanding URL analysis Whois
Link: Multistage landing - Scribd document	Sublime Security	2mo 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
Link: Multistage landing - Trello board abuse	Sublime Security	6mo ago Aug 20th, 2025	Credential Phishing Free file host Social engineering URL analysis Content analysis Sender analysis URL screenshot
Link: PDF and financial display text to free file host	Sublime Security	5mo ago Sep 24th, 2025	Credential Phishing Free file host Free email provider Social engineering Content analysis Sender analysis URL analysis
Link: Scribd fullscreen link from suspicious sender	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Evasion URL analysis Sender analysis
Link: Secure SharePoint file share from new or unusual sender	Sublime Security	2mo ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis
Link: SharePoint OneNote or PDF link with self sender behavior	Sublime Security	15d ago Feb 27th, 2026	Credential Phishing Evasion Free file host OneNote PDF Header analysis URL analysis Sender analysis
Link: Suspicious SharePoint document name	Sublime Security	29d ago Feb 13th, 2026	Credential Phishing Free file host Evasion Content analysis

78 Rules

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