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

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Service abuse: Google Firebase sender address with suspicious content	Sublime Security	1mo 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	1mo ago Jun 4th, 2026	Callback Phishing Free email provider Social engineering Natural Language Understanding Sender analysis
Service abuse: HelloSign from an unsolicited sender address	Sublime Security	11mo ago Aug 5th, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service Abuse: HelloSign share with suspicious sender or document name	Sublime Security	1mo ago May 28th, 2026	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis
Service abuse: HungerRush domain with SendGrid tracking targeting ProtonMail	Sublime Security	4mo ago Mar 4th, 2026	BEC/Fraud Evasion Sender analysis HTML analysis Content analysis
Service abuse: IBM IAM account notification with callback scam indicators	Sublime Security	1mo ago Jun 16th, 2026	Callback Phishing Impersonation: Brand Social engineering Out of band pivot Sender analysis Content analysis Natural Language Understanding
Service abuse: Meetup.com redirect with brand impersonation	Sublime Security	3mo ago Apr 15th, 2026	Credential Phishing Open redirect Impersonation: Brand Evasion URL analysis HTML analysis Content analysis Sender analysis
Service abuse: Microsoft Forms Pro with suspicious links or QR codes	Sublime Security	12d ago Jul 14th, 2026	Credential Phishing QR code Social engineering Impersonation: Brand URL analysis QR code analysis Sender analysis Whois Content analysis
Service abuse: Microsoft Power Apps callback scam	Sublime Security	3mo 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	4mo 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	6mo ago Jan 22nd, 2026	Callback Phishing Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Microsoft with suspicious indicators in subject	Sublime Security	2mo ago May 19th, 2026	Credential Phishing Spam Impersonation: Brand Social engineering Sender analysis Content analysis
Service abuse: Monday.com callback scam	Sublime Security	6mo ago Jan 26th, 2026	Callback Phishing Social engineering Out of band pivot Content analysis Natural Language Understanding Sender analysis
Service abuse: Monday.com infrastructure with phishing intent	Sublime Security	4mo ago Mar 9th, 2026	Credential Phishing Evasion Social engineering QR code Content analysis File analysis Header analysis QR code analysis Sender analysis URL analysis
Service abuse: MongoDB Atlas callback scam	Sublime Security	2mo ago Apr 28th, 2026	Callback Phishing Impersonation: Brand Social engineering Natural Language Understanding Sender analysis
Service Abuse: Nifty.com with impersonation	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Spoofing Sender analysis
Service abuse: Notion free-tier account impersonating VIP	Sublime Security	12d ago Jul 14th, 2026	Credential Phishing Impersonation: VIP Social engineering Sender analysis Header analysis URL analysis Content analysis
Service abuse: Oracle Cloud Workflow callback scam	Sublime Security	16d ago Jul 10th, 2026	Callback Phishing Social engineering Impersonation: Brand Sender analysis HTML analysis Natural Language Understanding
Service abuse: Outlook Groups with Google Sites link and evasion tag	Sublime Security	1mo ago Jun 17th, 2026	Credential Phishing Evasion Free subdomain host Social engineering Content analysis Header analysis URL analysis Sender analysis
Service abuse: Payoneer callback scam	Sublime Security	2mo ago May 4th, 2026	Callback Phishing BEC/Fraud Evasion Social engineering Sender analysis Header analysis Content analysis
Service abuse: PayPal manager account creation with callback scam indicators	Sublime Security	1mo ago Jun 2nd, 2026	Callback Phishing Credential Phishing Impersonation: Brand Social engineering Spoofing Sender analysis Content analysis Natural Language Understanding
Service abuse: QuickBooks notification from new domain	Sublime Security	6mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis
Service abuse: QuickBooks notification with suspicious comments	Sublime Security	6mo ago Jan 12th, 2026	Callback Phishing Credential Phishing BEC/Fraud Evasion Social engineering Content analysis Sender analysis Header analysis
Service abuse: Recruiting with suspicious language patterns from legitimate platforms	Sublime Security	9mo 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	7mo 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	6mo ago Jan 12th, 2026	Credential Phishing Social engineering Header analysis Natural Language Understanding Sender analysis Content analysis
Service abuse: SendGrid impersonation via Sendgrid from new sender	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender analysis
Service abuse: SendThisFile with credential theft and financial language	Sublime Security	9mo 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	1mo ago Jun 24th, 2026	Callback Phishing Social engineering Out of band pivot Sender analysis Natural Language Understanding
Service abuse: Square marketing with suspicious QR code	Sublime Security	2mo ago May 26th, 2026	Credential Phishing QR code Free file host Computer Vision QR code analysis Sender analysis URL analysis
Service abuse: Substack credential theft with confusable characters and branded button redirects	Sublime Security	4mo ago Mar 19th, 2026	Credential Phishing Social engineering Evasion Sender analysis HTML analysis Natural Language Understanding URL analysis
Service abuse: SurveyMonkey survey from newly registered domain	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Evasion Free file host Social engineering Content analysis Header analysis Sender analysis
Service abuse: SurveyMonkey with suspicious outbound links	Sublime Security	18d ago Jul 8th, 2026	Credential Phishing Social engineering Impersonation: Brand Content analysis HTML analysis Sender analysis URL analysis
Service abuse: Suspicious Datadog alert	Sublime Security	1mo ago Jun 11th, 2026	Credential Phishing Malware/Ransomware Evasion Free subdomain host Sender analysis URL analysis
Service abuse: Suspicious Zoom Docs link	Sublime Security	7mo ago Dec 2nd, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service abuse: Task management message sent via SendGrid	Sublime Security	9mo ago Oct 6th, 2025	Credential Phishing Impersonation: Brand Social engineering Evasion Content analysis Header analysis Sender analysis
Service abuse: Trello board invitation with VIP impersonation	Sublime Security	5mo ago Feb 3rd, 2026	Credential Phishing Impersonation: VIP Social engineering Content analysis Header analysis HTML analysis Sender analysis
Service abuse: Vimeo with external plain-text links in message	Sublime Security	4mo ago Mar 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis Content analysis URL analysis
Service abuse: WeTransfer callback scam	Sublime Security	5mo ago Jan 30th, 2026	Callback Phishing Social engineering Out of band pivot Content analysis Natural Language Understanding Sender analysis
Service abuse: Wix redirect through bulk mailer domains	Sublime Security	6mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Open redirect URL analysis Sender analysis
Service abuse: Zohodesk reply-to mismatch with job scam indicators	Sublime Security	4d ago Jul 22nd, 2026	BEC/Fraud Spam Social engineering Out of band pivot Spoofing Header analysis Sender analysis Natural Language Understanding
Service abuse: Zoom Clips with unregistered reply-to domain	Sublime Security	9d ago Jul 17th, 2026	Spam Social engineering Evasion Sender analysis Header analysis Whois
Service Abuse: Zoom with freemail reply-to and recipient address in greeting	Sublime Security	2mo ago May 6th, 2026	Spam Free email provider Social engineering Sender analysis Header analysis Content analysis
Service abuse: Zoom with newly registered reply-to domain	Sublime Security	2mo ago May 4th, 2026	Spam Social engineering Evasion Sender analysis Header analysis Whois
Sharepoint link likely unrelated to sender	Sublime Security	6mo ago Jan 12th, 2026	BEC/Fraud Credential Phishing Impersonation: Employee Lookalike domain OneNote PDF Social engineering URL analysis Sender analysis Header analysis HTML analysis
Sharepoint online with external recipients and external display name	@vector_sec	3y ago Aug 17th, 2023	Credential Phishing Spam Evasion Content analysis Header analysis Sender analysis
Spam: Attendee list solicitation	Sublime Security	11mo ago Aug 29th, 2025	Spam Content analysis Sender analysis
Spam: Campaign with excessive space/char obfuscation and free file hosted link	Sublime Security	6mo ago Jan 12th, 2026	Spam Free file host Content analysis Sender analysis
Spam: Commonly observed formatting of unauthorized free giveaways	Sublime Security	6mo ago Jan 14th, 2026	Spam Impersonation: Brand Social engineering Content analysis HTML analysis Sender analysis URL analysis
Spam: Default Microsoft Exchange Online sender domain (onmicrosoft.com)	Sublime Security	1mo ago Jun 5th, 2026	Callback Phishing Credential Phishing Spam Free email provider Impersonation: Brand Social engineering Content analysis Sender analysis

714 Rules

Page 13 of 15