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 25th, 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	2mo ago Apr 28th, 2026	Spam Free email provider Free file host Free subdomain host ICS Phishing Open redirect Content analysis URL analysis
Attachment: EML file with IPFS links	Sublime Security	8mo 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	1y 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	10mo 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: ICS file with AWS Lambda URL	Sublime Security	10d ago Jul 16th, 2026	Credential Phishing Malware/Ransomware Evasion Free file host ICS Phishing Content analysis File analysis URL analysis
Attachment: PDF bid/proposal lure with credential theft indicators	Sublime Security	4mo ago Mar 27th, 2026	BEC/Fraud Credential Phishing PDF Social engineering Free file host Free subdomain host File analysis Content analysis Optical Character Recognition Natural Language Understanding URL analysis Exif analysis
Attachment: PDF with multistage landing - ClickUp abuse	Sublime Security	4mo ago Feb 27th, 2026	Credential Phishing Evasion Free file host Free subdomain host PDF Social engineering File analysis URL analysis Whois
Attachment: PDF with self-service platform links with self sender or blank recipients	Sublime Security	1mo ago Jun 10th, 2026	BEC/Fraud Credential Phishing PDF Evasion Free file host File analysis Exif analysis URL analysis Sender analysis
Attachment: Romance scam with image lure and advance-fee or suspicious link indicators	Sublime Security	25d ago Jul 1st, 2026	BEC/Fraud Spam Social engineering Image as content Free email provider Free file host Out of band pivot Natural Language Understanding Header analysis Sender analysis Content analysis URL analysis File analysis
Attachment: Single-page PDF with S3-hosted HTML link	Sublime Security	10d ago Jul 16th, 2026	Credential Phishing PDF Free file host Evasion File analysis Exif analysis URL analysis
Brand impersonation: Fake Fax	Sublime Security	1mo ago Jun 17th, 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	1y 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	1mo ago Jun 5th, 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	9mo 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	11mo 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	26d ago Jun 30th, 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	11mo 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	6mo 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	11mo 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	6mo 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	5mo ago Feb 13th, 2026	Credential Phishing Malware/Ransomware Free file host Sender analysis URL analysis
File sharing link with a suspicious subject	Sublime Security	5mo 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	1y 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	6mo ago Jan 12th, 2026	Credential Phishing Impersonation: VIP Free file host HTML analysis Header analysis Sender analysis Content analysis
Impersonation: Fake product discount promotion	Sublime Security	1mo ago Jun 16th, 2026	BEC/Fraud Social engineering Free file host Content analysis HTML analysis URL 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	6mo 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	1y 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	6mo ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis
Link: Adobe share with suspicious indicators	Sublime Security	6mo 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	4mo 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	11mo 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	11mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis
Link: Direct link to limewire hosted file	Sublime Security	11mo ago Aug 18th, 2025	Malware/Ransomware Free file host URL analysis Content analysis
Link: Direct link to riddle.com hosted showcase	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Free file host Sender analysis URL analysis Header analysis
Link: Document sharing invitation template	Sublime Security	1mo ago Jun 12th, 2026	Credential Phishing Social engineering Free file host Content analysis
Link: Figma design deck with credential theft language	Sublime Security	4mo 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: Financial account issue with suspicious indicators	Sublime Security	4mo ago Mar 24th, 2026	Credential Phishing Free file host Free subdomain host Social engineering Content analysis Natural Language Understanding URL analysis Whois
Link: Free file hosting with undisclosed recipients	Sublime Security	4mo ago Mar 19th, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host Evasion Header analysis URL analysis Sender analysis Natural Language Understanding
Link: Free file host links from suspicious support sender with credential theft language	Sublime Security	1mo ago Jun 25th, 2026	Credential Phishing Free file host Social engineering Sender analysis URL analysis Natural Language Understanding
Link: Free file host link with 'Important Viewing Note' lure	Sublime Security	11d ago Jul 15th, 2026	Credential Phishing Free file host Social engineering Impersonation: Brand Content analysis URL analysis Threat intelligence
Link: Google Calendar invite linking to an open redirect from an untrusted freemail sender	Sublime Security	2mo ago Apr 28th, 2026	Spam Free email provider Free file host ICS Phishing Open redirect Social engineering Content analysis Sender analysis URL analysis
Link: Google Cloud Storage hosted credential harvesting page	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Free file host Evasion Social engineering Impersonation: Brand URL analysis Content analysis
Link: Google Cloud Storage impersonating with googledrive in URL path	Sublime Security	2mo ago May 26th, 2026	Credential Phishing Impersonation: Brand Free file host URL analysis
Link: Google Cloud Storage link with index.php in URL	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Evasion Free file host Open redirect URL analysis
Link: Google Cloud Storage link with redirect.html in URL	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Evasion Free file host Open redirect URL analysis
Link: Google Cloud Storage redirect to external domain	Sublime Security	26d ago Jun 30th, 2026	Credential Phishing Spam Malware/Ransomware Free file host Open redirect Impersonation: Brand Social engineering Evasion URL analysis Threat intelligence

105 Rules

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