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 Sep 9th, 2026

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Link: Unsolicited email contains link leading to Tycoon URL structure	Sublime Security	6mo ago Mar 10th, 2026	Credential Phishing Evasion Social engineering Natural Language Understanding URL analysis
Link: URL shortener with copy-paste instructions and credential theft language	Sublime Security	7mo ago Feb 6th, 2026	Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding URL analysis
Mass campaign: recipient address in subject, body, and link (untrusted sender)	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Social engineering Header analysis Natural Language Understanding Sender analysis
Mismatched links: Free file share with urgent language	Sublime Security	1y ago Aug 5th, 2025	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Free file host Social engineering Natural Language Understanding Sender analysis URL analysis
Open Redirect: Google domain with /url path and suspicious indicators	Sublime Security	3mo ago Jun 5th, 2026	Credential Phishing Evasion Open redirect Computer Vision Content analysis File analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis URL analysis
QR Code with suspicious indicators	Sublime Security	4mo 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: Short generic greeting message	Sublime Security	14d ago Aug 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	1y ago Jul 16th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Whois
Request for Quote or Purchase (RFQ\|RFP) with HTML smuggling attachment	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Evasion Content analysis File analysis HTML analysis Javascript analysis Natural Language Understanding URL analysis
Request for Quote or Purchase (RFQ\|RFP) with suspicious sender or recipient pattern	Sublime Security	27d ago Aug 14th, 2026	BEC/Fraud Evasion Free email provider Content analysis Natural Language Understanding URL analysis
Salesforce infrastructure abuse	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Content analysis Header analysis Natural Language Understanding URL analysis
Scam: Piano giveaway	Sublime Security	9mo ago Dec 11th, 2025	BEC/Fraud Free email provider Content analysis Natural Language Understanding Sender analysis
Scam soliciting employer review/rating	Sublime Security	2mo ago Jun 12th, 2026	BEC/Fraud Credential Phishing Social engineering Impersonation: Brand Content analysis Natural Language Understanding Header analysis Sender analysis
Service abuse: Apple TestFlight with suspicious developer reference	Sublime Security	7mo ago Feb 6th, 2026	Spam Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis URL analysis
Service abuse: AppSheet infrastructure with suspicious indicators	Sublime Security	11mo ago Oct 6th, 2025	Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding URL analysis Whois
Service abuse: Arketa notification callback scam	Sublime Security	22d ago Aug 19th, 2026	Callback Phishing Social engineering Impersonation: Brand Evasion Out of band pivot Natural Language Understanding Content analysis Sender analysis
Service abuse: AWS SNS callback scam impersonation	Sublime Security	21d ago Aug 20th, 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	8mo 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: Calendly callback scam detection	Sublime Security	1mo ago Jul 14th, 2026	Callback Phishing Social engineering Impersonation: Brand Natural Language Understanding Sender analysis
Service abuse: Cisco secure email service with financial request	Sublime Security	11mo ago Oct 1st, 2025	BEC/Fraud Impersonation: Brand Social engineering Evasion Content analysis Header analysis Natural Language Understanding Sender analysis
Service abuse: Elastic alerts extortion	Sublime Security	3mo ago May 21st, 2026	Extortion Impersonation: Brand Social engineering Natural Language Understanding Sender analysis
Service abuse: Evernote link	Sublime Security	1mo ago Aug 5th, 2026	Credential Phishing BEC/Fraud Social engineering URL analysis Natural Language Understanding
Service abuse: Facebook mail notification callback scam	Sublime Security	16d ago Aug 25th, 2026	Callback Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Natural Language Understanding
Service abuse: FileMail callback scam	Sublime Security	1mo ago Jul 24th, 2026	Callback Phishing Social engineering Free file host Out of band pivot Natural Language Understanding Sender analysis Content analysis
Service abuse: FlipHTML5 with attachment deception and credential theft language	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Social engineering Free file host Evasion Content analysis Natural Language Understanding URL analysis
Service abuse: GetAccept callback scam content	Sublime Security	7mo ago Jan 16th, 2026	Callback Phishing Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service Abuse: GoDaddy infrastructure	Sublime Security	8mo ago Jan 7th, 2026	Callback Phishing Extortion Evasion Natural Language Understanding Content analysis
Service abuse: Google Calendar notification with callback scam language	Sublime Security	4mo ago Apr 28th, 2026	Callback Phishing ICS Phishing Out of band pivot Social engineering Natural Language Understanding Content analysis Sender analysis
Service abuse: Google Firebase sender address with suspicious content	Sublime Security	2mo ago Jun 18th, 2026	Spam Credential Phishing Free subdomain host Social engineering Content analysis Header analysis HTML analysis Natural Language Understanding Sender analysis URL analysis Whois
Service abuse: Google Groups callback scam	Sublime Security	3mo ago Jun 4th, 2026	Callback Phishing Free email provider Social engineering Natural Language Understanding Sender analysis
Service abuse: IBM IAM account notification with callback scam indicators	Sublime Security	2mo ago Jun 16th, 2026	Callback Phishing Impersonation: Brand Social engineering Out of band pivot Sender analysis Content analysis Natural Language Understanding
Service abuse: Kagoya.net-hosted domains sending English business lures	Sublime Security	14d ago Aug 27th, 2026	BEC/Fraud Spam Impersonation: Brand Social engineering Spoofing Natural Language Understanding Header analysis Sender analysis
Service abuse: Microsoft Power Apps callback scam	Sublime Security	5mo ago Mar 30th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Microsoft Power Automate callback scam impersonation	Sublime Security	6mo ago Mar 5th, 2026	Callback Phishing Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Microsoft Power BI callback scam	Sublime Security	7mo ago Jan 22nd, 2026	Callback Phishing Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Monday.com callback scam	Sublime Security	7mo ago Jan 26th, 2026	Callback Phishing Social engineering Out of band pivot Content analysis Natural Language Understanding Sender analysis
Service abuse: MongoDB Atlas callback scam	Sublime Security	4mo ago Apr 28th, 2026	Callback Phishing Impersonation: Brand Social engineering Natural Language Understanding Sender analysis
Service abuse: Nylas tracking subdomain with suspicious content	Sublime Security	6mo ago Mar 6th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding URL analysis
Service abuse: Oracle Cloud Workflow callback scam	Sublime Security	2mo ago Jul 10th, 2026	Callback Phishing Social engineering Impersonation: Brand Sender analysis HTML analysis Natural Language Understanding
Service abuse: PayPal manager account creation with callback scam indicators	Sublime Security	3mo ago Jun 2nd, 2026	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Content analysis Natural Language Understanding
Service abuse: Postman reply-to mismatch with credential theft intent	Sublime Security	1mo ago Jul 29th, 2026	Credential Phishing Social engineering Out of band pivot Sender analysis Header analysis Natural Language Understanding
Service abuse: Power Automate callback scam	Sublime Security	6d ago Sep 4th, 2026	Callback Phishing Social engineering Natural Language Understanding Sender analysis
Service abuse: Recruiting with suspicious language patterns from legitimate platforms	Sublime Security	11mo ago Oct 7th, 2025	BEC/Fraud Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis
Service abuse: Roomsy with unrelated body content	Sublime Security	9mo ago Dec 2nd, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis Natural Language Understanding
Service abuse: Sendgrid credential theft with personalized request targeting single recipient	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Social engineering Header analysis Natural Language Understanding Sender analysis Content analysis
Service abuse: SendThisFile with credential theft and financial language	Sublime Security	10mo ago Oct 27th, 2025	BEC/Fraud Credential Phishing Free file host Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Settime.io sender with callback scam intent	Sublime Security	2mo ago Jun 24th, 2026	Callback Phishing Social engineering Out of band pivot Sender analysis Natural Language Understanding
Service abuse: Substack credential theft with confusable characters and branded button redirects	Sublime Security	5mo ago Mar 19th, 2026	Credential Phishing Social engineering Evasion Sender analysis HTML analysis Natural Language Understanding URL analysis
Service abuse: WeTransfer callback scam	Sublime Security	7mo ago Jan 30th, 2026	Callback Phishing Social engineering Out of band pivot Content analysis Natural Language Understanding Sender analysis
Service abuse: Wufoo credential theft	Sublime Security	1mo ago Aug 5th, 2026	Credential Phishing Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis

283 Rules

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