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 Oct 23rd, 2026

Feed Source

GitHub

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Service abuse: Behance document sharing with suspicious language	Sublime Security	7mo ago Mar 27th, 2026	Credential Phishing Free file host Social engineering Content analysis URL analysis
Service abuse: Citrix ShareFile impersonation via Outlook plugin	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Credential Phishing Free file host Social engineering File analysis Content analysis
Service abuse: DocSend share from an unsolicited reply-to address	Sublime Security	4mo ago Jun 18th, 2026	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis
Service abuse: DocSend share from newly registered domain	Sublime Security	9mo ago Jan 12th, 2026	BEC/Fraud Credential Phishing Evasion Free file host Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Service abuse: DocuSign share from an unsolicited reply-to address	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis
Service abuse: Dropbox Paper with copy-paste instructions	Sublime Security	5mo ago May 7th, 2026	Credential Phishing Social engineering Free file host Evasion Content analysis URL analysis
Service abuse: FileMail callback scam	Sublime Security	3mo ago Jul 24th, 2026	Callback Phishing Social engineering Free file host Out of band pivot Natural Language Understanding Sender analysis Content analysis
Service abuse: Filemail file-sharing notifications	Sublime Security	9d ago Oct 16th, 2026	Malware/Ransomware BEC/Fraud Free file host Social engineering Spoofing Header analysis HTML analysis Content analysis
Service abuse: FlipHTML5 with attachment deception and credential theft language	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Social engineering Free file host Evasion Content analysis Natural Language Understanding URL analysis
Service abuse: Formester with suspicious link behavior	Sublime Security	10mo ago Dec 19th, 2025	Credential Phishing BEC/Fraud Open redirect Social engineering Free file host Computer Vision Content analysis URL analysis URL screenshot
Service abuse: GitHub notification with excessive mentions and suspicious links	Sublime Security	6mo ago Apr 7th, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host Social engineering Header analysis URL analysis Sender analysis Whois
Service abuse: Google account notification with links to free file host	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Impersonation: Brand Social engineering Free file host Header analysis URL analysis Sender analysis
Service abuse: Google application integration redirecting to suspicious hosts	Sublime Security	10mo ago Dec 17th, 2025	Credential Phishing Malware/Ransomware Evasion Free file host Free subdomain host Open redirect Header analysis Sender analysis URL analysis
Service abuse: Google Drive share from an unsolicited reply-to address	Sublime Security	1y ago Aug 5th, 2025	BEC/Fraud Callback Phishing Credential Phishing Free email provider Social engineering Free file host Header analysis Sender analysis
Service abuse: Google Drive share from new reply-to domain	Sublime Security	11mo ago Nov 13th, 2025	BEC/Fraud Callback Phishing Credential Phishing Free email provider Social engineering Free file host Header analysis Sender analysis Whois
Service abuse: Google OAuth with suspicious redirect destination	Sublime Security	5mo ago May 27th, 2026	Credential Phishing Evasion Free file host Free subdomain host Open redirect Social engineering URL analysis Threat intelligence
Service abuse: HelloSign from an unsolicited sender address	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service abuse: Linode Objects HTML file hosting	Sublime Security	4mo ago Jun 5th, 2026	Credential Phishing Malware/Ransomware Free file host Evasion URL analysis Content analysis
Service abuse: Power BI shared document lure	Sublime Security	2d ago Oct 23rd, 2026	Credential Phishing Social engineering Free file host URL analysis Content analysis
Service abuse: SendThisFile with credential theft and financial language	Sublime Security	12mo ago Oct 27th, 2025	BEC/Fraud Credential Phishing Free file host Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Square marketing with suspicious QR code	Sublime Security	5mo ago May 26th, 2026	Credential Phishing QR code Free file host Computer Vision QR code analysis Sender analysis URL analysis
Service abuse: SurveyMonkey survey from newly registered domain	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis
Service abuse: Suspicious Zoom Docs link	Sublime Security	10mo ago Dec 2nd, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Spam: Campaign with excessive space/char obfuscation and free file hosted link	Sublime Security	9mo ago Jan 12th, 2026	Spam Free file host Content analysis Sender analysis
Spoofable internal domain with suspicious signals	Sublime Security	1y ago Jul 23rd, 2025	Credential Phishing Free file host Free subdomain host Social engineering Spoofing Content analysis Header analysis Natural Language Understanding Sender analysis
Suspicious DocuSign share from new domain	Sublime Security	1y ago Aug 5th, 2025	BEC/Fraud Credential Phishing Evasion Free file host Impersonation: Brand Social engineering Content analysis Header analysis Sender analysis
Suspicious Links to Cloudflare R2 and Edge Services	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Free file host Header analysis Sender analysis URL analysis
Suspicious SharePoint file sharing	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Free email provider Free file host OneNote PDF Content analysis Header analysis Sender analysis URL analysis
Zoom Events newsletter abuse	Sublime Security	3mo ago Jul 8th, 2026	Credential Phishing Free file host Free subdomain host Social engineering Impersonation: Brand Header analysis HTML analysis Natural Language Understanding URL analysis

129 Rules

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