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 Apr 24th, 2026

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Open redirect: tuttocauzioni.it	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: typedrawers.com	Sublime Security	11mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect QR code Social engineering Content analysis File analysis QR code analysis Sender analysis
Open redirect: unitedwaynwvt.org	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: ust.hk	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: vconfex.com	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: VK	@vector_sec	3mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: weblinkconnect.com	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Evasion Open redirect Sender analysis URL analysis
Open redirect: whitefox.pl	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: Xfinity CMP Redirection to Google AMP	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Open redirect Evasion Header analysis URL analysis Sender analysis
Open redirect: xfinity.com	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: YouTube	@vector_sec	2y ago Apr 24th, 2024	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis
Open redirect: YouTube --> Google Redirection Chain	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Open redirect Sender analysis URL analysis
PayPal invoice abuse	Sublime Security	2mo ago Feb 11th, 2026	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis
Punycode sender domain	Sublime Security	3y ago Aug 21st, 2023	Credential Phishing Malware/Ransomware Evasion Lookalike domain Punycode Social engineering Sender analysis
QR code to auto-download of a suspicious file type (unsolicited)	Sublime Security	6mo ago Oct 17th, 2025	Malware/Ransomware Evasion LNK Social engineering Archive analysis File analysis Sender analysis URL analysis QR code analysis
QR Code with suspicious indicators	Sublime Security	3d ago Apr 22nd, 2026	Credential Phishing QR code Social engineering Content analysis Header analysis Computer Vision Natural Language Understanding QR code analysis Sender analysis URL analysis
Reconnaissance: All recipients cc/bcc'd or undisclosed	Sublime Security	2mo ago Feb 5th, 2026	Reconnaissance Content analysis Header analysis Sender analysis
Reconnaissance: Email address harvesting attempt	Sublime Security	2mo ago Feb 23rd, 2026	BEC/Fraud Credential Phishing Spam Free email provider Social engineering Content analysis Header analysis Sender analysis URL analysis
Reconnaissance: Empty subject with mismatched reply-to from new sender	Sublime Security	2mo ago Feb 6th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering Spoofing Header analysis Sender analysis
Reconnaissance: Hotel booking reply-to redirect	Sublime Security	2mo ago Jan 27th, 2026	BEC/Fraud Free email provider Social engineering Content analysis Header analysis Sender analysis
Reconnaissance: Large unknown recipient list	Sublime Security	5mo ago Nov 24th, 2025	Reconnaissance Content analysis Header analysis Sender analysis
Reconnaissance: Short generic greeting message	Sublime Security	2mo ago Jan 27th, 2026	BEC/Fraud Callback Phishing Social engineering Free email provider Content analysis Header analysis Natural Language Understanding Sender analysis
Recruitee Infrastructure Abuse	Sublime Security	9mo ago Jul 16th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Whois
Russia return-path TLD (untrusted sender)	Sublime Security	2mo ago Feb 13th, 2026	BEC/Fraud Credential Phishing Malware/Ransomware Header analysis Sender analysis
Scam: Piano giveaway	Sublime Security	4mo ago Dec 11th, 2025	BEC/Fraud Free email provider Content analysis Natural Language Understanding Sender analysis
Self-sender with copy/paste instructions and suspicious domains (French/Français)	Sublime Security	9d ago Apr 16th, 2026	Credential Phishing Evasion Free subdomain host Social engineering Content analysis Header analysis Sender analysis
Self-sent fake PDF attachment with misleading link	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Evasion Free subdomain host Social engineering Content analysis URL analysis Sender analysis
Sender: IP address in local part	Sublime Security	1mo ago Mar 12th, 2026	Spam Credential Phishing BEC/Fraud Evasion Spoofing Sender analysis
Sender name contains Active Directory distinguished name	Sublime Security	2y ago Nov 13th, 2024	Credential Phishing Sender analysis
Service abuse: Adobe Creative Cloud share from an unsolicited sender address	Sublime Security	6mo ago Oct 22nd, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service abuse: Adobe legitimate domain with document approval language	Sublime Security	3mo ago Jan 23rd, 2026	BEC/Fraud Credential Phishing Social engineering Content analysis Header analysis Sender analysis
Service abuse: Adobe Sign notification from an unsolicited reply-to address	Sublime Security	8mo ago Aug 5th, 2025	BEC/Fraud Callback Phishing Spam Social engineering Impersonation: Brand Header analysis Sender analysis
Service abuse: Apple TestFlight with suspicious developer reference	Sublime Security	2mo ago Feb 6th, 2026	Spam Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis URL analysis
Service abuse: AWS SNS callback scam impersonation	Sublime Security	30d ago Mar 26th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service Abuse: Box file sharing with credential phishing intent	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing BEC/Fraud Callback Phishing Evasion Social engineering Impersonation: Employee Impersonation: VIP Content analysis Natural Language Understanding Sender analysis Header analysis
Service abuse: Callback phishing via Microsoft Teams invite	Sublime Security	4mo ago Dec 12th, 2025	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis URL analysis Sender analysis
Service abuse: Cisco secure email service with financial request	Sublime Security	6mo ago Oct 1st, 2025	BEC/Fraud Impersonation: Brand Social engineering Evasion Content analysis Header analysis Natural Language Understanding Sender analysis
Service abuse: DocSend share from an unsolicited reply-to address	Sublime Security	1mo ago Mar 4th, 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	3mo 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 notification with suspicious sender or document name	Sublime Security	8mo ago Aug 5th, 2025	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis
Service abuse: DocuSign share from an unsolicited reply-to address	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis
Service abuse: Domains By Proxy sender	Sublime Security	1mo ago Mar 18th, 2026	Spam Credential Phishing BEC/Fraud Evasion Social engineering Header analysis Sender analysis
Service abuse: Dropbox share from an unsolicited reply-to address	Sublime Security	8mo ago Aug 5th, 2025	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis
Service abuse: Dropbox share from new domain	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis
Service abuse: Dropbox share with suspicious sender or document name	Sublime Security	3mo ago Jan 12th, 2026	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis
Service Abuse: ExactTarget with suspicious sender indicators	Sublime Security	5mo ago Nov 8th, 2025	Credential Phishing BEC/Fraud Evasion Social engineering Header analysis Sender analysis
Service abuse: Facebook business with action required subject	Sublime Security	3d ago Apr 22nd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis
Service abuse: File sharing impersonation with external SharePoint links	Sublime Security	1mo ago Mar 9th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis URL analysis Sender analysis
Service abuse: Free provider with SendGrid routing	Sublime Security	3mo ago Jan 8th, 2026	Credential Phishing Free email provider Evasion Header analysis Sender analysis
Service abuse: GetAccept callback scam content	Sublime Security	3mo ago Jan 16th, 2026	Callback Phishing Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis

646 Rules

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