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: Nylas tracking subdomain with suspicious content	Sublime Security	7mo 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	3mo 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	4mo 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	27d ago Sep 28th, 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	4mo 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	2mo 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	1mo ago Sep 4th, 2026	Callback Phishing Social engineering Natural Language Understanding Sender 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: QuickBooks notification from new domain	Sublime Security	9mo 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	9mo 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	1y 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	10mo 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	9mo ago Jan 12th, 2026	Credential Phishing Social engineering Header analysis Natural Language Understanding Sender analysis Content analysis
Service abuse: SendGrid-formatted link with actor-controlled fragment	Sublime Security	11mo ago Nov 24th, 2025	Credential Phishing Evasion Social engineering Content analysis URL analysis
Service abuse: SendGrid impersonation via Sendgrid from new sender	Sublime Security	2mo ago Aug 3rd, 2026	Credential Phishing Impersonation: Brand Social engineering Header analysis Sender 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: Settime.io sender with callback scam intent	Sublime Security	4mo ago Jun 24th, 2026	Callback Phishing Social engineering Out of band pivot Sender analysis Natural Language Understanding
Service abuse: Soundestlink.com Microsoft impersonation	Sublime Security	2mo ago Aug 17th, 2026	Credential Phishing Impersonation: Brand Lookalike domain Social engineering URL analysis Content analysis HTML analysis
Service abuse: Substack credential theft with confusable characters and branded button redirects	Sublime Security	7mo 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	9mo 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	3mo ago Jul 8th, 2026	Credential Phishing Social engineering Impersonation: Brand Content analysis HTML analysis Sender analysis URL 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
Service abuse: Task management message sent via SendGrid	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Evasion Content analysis Header analysis Sender analysis
Service abuse: Trello board invitation with VIP impersonation	Sublime Security	16d ago Oct 9th, 2026	Credential Phishing Impersonation: VIP Social engineering Content analysis Header analysis HTML analysis Sender analysis
Service abuse: Upwork callback scam	Sublime Security	3d ago Oct 22nd, 2026	Callback Phishing Social engineering Out of band pivot Natural Language Understanding Sender analysis
Service abuse: Vimeo with external plain-text links in message	Sublime Security	7mo ago Mar 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis Content analysis URL analysis
Service abuse: WeTransfer callback scam	Sublime Security	8mo 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	2mo ago Aug 5th, 2026	Credential Phishing Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis
Service abuse: Zohodesk reply-to mismatch with job scam indicators	Sublime Security	3mo 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 suspicious reply-to address or links	Sublime Security	1mo ago Sep 1st, 2026	Spam Social engineering Evasion Sender analysis Header analysis Whois
Service Abuse: Zoom with freemail reply-to and recipient address in greeting	Sublime Security	5mo 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	5mo ago May 4th, 2026	Spam Social engineering Evasion Sender analysis Header analysis Whois
Sharepoint link likely unrelated to sender	Sublime Security	1mo ago Sep 23rd, 2026	BEC/Fraud Credential Phishing Impersonation: Employee Lookalike domain OneNote PDF Social engineering URL analysis Sender analysis Header analysis HTML analysis
SharePoint OTP for filename matching org name	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Header analysis
Shopify infrastructure abuse	Sublime Security	2y ago Nov 13th, 2024	Credential Phishing Spam Evasion Free subdomain host Impersonation: Brand Social engineering Content analysis Header analysis URL analysis
Spam: BlackBaud infrastructure abuse	Sublime Security	4mo ago Jun 5th, 2026	Spam Evasion Impersonation: Brand Image as content Social engineering Content analysis Header analysis
Spam: Cold outreach from Cloudflare-hosted newly registered domain	Sublime Security	2mo ago Aug 17th, 2026	Spam Evasion Social engineering Whois Natural Language Understanding Content analysis
Spam: Commonly observed formatting of unauthorized free giveaways	Sublime Security	9mo ago Jan 14th, 2026	Spam Impersonation: Brand Social engineering Content analysis HTML analysis Sender analysis URL analysis
Spam: Cryptocurrency airdrop/giveaway	Sublime Security	1y ago Oct 16th, 2025	Spam Social engineering Impersonation: Brand Content analysis
Spam: Default Microsoft Exchange Online sender domain (onmicrosoft.com)	Sublime Security	2mo ago Aug 3rd, 2026	Callback Phishing Credential Phishing Spam Free email provider Impersonation: Brand Social engineering Content analysis Sender analysis
Spam: Fake dating profile notification	Sublime Security	7mo ago Mar 20th, 2026	Spam Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis URL analysis
Spam: Fake photo share	Sublime Security	17d ago Oct 8th, 2026	Spam Evasion Social engineering Content analysis Sender analysis URL analysis Whois
Spam: Firebase password reset from suspicious sender	Sublime Security	10mo ago Dec 2nd, 2025	Credential Phishing Spam Evasion Social engineering Header analysis Sender analysis URL analysis
Spam/fraud: Predatory journal/research paper request	Sublime Security	11mo ago Nov 3rd, 2025	BEC/Fraud Spam Social engineering Impersonation: Brand Lookalike domain Evasion Natural Language Understanding Content analysis Sender analysis URL analysis Whois
Spam: Ghostwriting services scam with manipulative language	Sublime Security	1mo ago Sep 23rd, 2026	Spam Social engineering Content analysis Sender analysis
Spamhaus: Mail transiting a DROP listed network	Sublime Security	2d ago Oct 23rd, 2026	Malware/Ransomware Credential Phishing BEC/Fraud Evasion Social engineering Header analysis Sender analysis
Spamhaus: Mail transiting an ASN-DROP listed network	Sublime Security	2d ago Oct 23rd, 2026	Malware/Ransomware Credential Phishing BEC/Fraud Evasion Social engineering Header analysis Sender analysis
Spam: Large financial amount mention from newly registered sender domain	Sublime Security	3d ago Oct 22nd, 2026	BEC/Fraud Spam Social engineering Content analysis Sender analysis Whois
Spam: Mastercard promotional content with image-based body	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Spam Image as content Impersonation: Brand Social engineering Computer Vision Content analysis Header analysis Natural Language Understanding Optical Character Recognition Sender analysis
Spam: Personalized subject and greetings via Salesforce Marketing Cloud	Sublime Security	17d ago Oct 8th, 2026	Spam Social engineering Content analysis Header analysis

850 Rules

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