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
Service abuse: Outlook Groups with Google Sites link and evasion tag	Sublime Security	2mo 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	4mo 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	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: QuickBooks notification from new domain	Sublime Security	8mo 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	8mo 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	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: SendGrid impersonation via Sendgrid from new sender	Sublime Security	1mo 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	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: Square marketing with suspicious QR code	Sublime Security	3mo 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	5mo 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	8mo 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	2mo 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	3mo ago Jun 11th, 2026	Credential Phishing Malware/Ransomware Evasion Free subdomain host Sender analysis URL analysis
Service abuse: Suspicious Zoom Docs link	Sublime Security	9mo 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	11mo 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	7mo 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	6mo ago Mar 6th, 2026	Credential Phishing Impersonation: Brand Social engineering Sender analysis Content analysis 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: Wix redirect through bulk mailer domains	Sublime Security	8mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Evasion Open redirect URL analysis 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
Service abuse: Zohodesk reply-to mismatch with job scam indicators	Sublime Security	1mo 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	9d 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	4mo 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	4mo ago May 4th, 2026	Spam Social engineering Evasion Sender analysis Header analysis Whois
Sharepoint link likely unrelated to sender	Sublime Security	8mo 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	1y ago Aug 29th, 2025	Spam Content analysis Sender analysis
Spam: Campaign with excessive space/char obfuscation and free file hosted link	Sublime Security	8mo ago Jan 12th, 2026	Spam Free file host Content analysis Sender analysis
Spam: Commonly observed formatting of unauthorized free giveaways	Sublime Security	7mo 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 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	5mo 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	2d ago Sep 8th, 2026	Spam Evasion Social engineering Content analysis Sender analysis URL analysis Whois
Spam: Firebase password reset from suspicious sender	Sublime Security	9mo 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	10mo 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	10mo ago Oct 17th, 2025	Spam Social engineering Content analysis Sender analysis
Spamhaus: Mail transiting a DROP listed network	Sublime Security	20h ago Sep 9th, 2026	Malware/Ransomware Credential Phishing BEC/Fraud Evasion Social engineering Header analysis Sender analysis
Spamhaus: Mail transiting an ASN-DROP listed network	Sublime Security	20h ago Sep 9th, 2026	Malware/Ransomware Credential Phishing BEC/Fraud Evasion Social engineering Header analysis Sender analysis
Spam: Item giveaway spam template	Sublime Security	1y ago Aug 5th, 2025	Spam Image as content Content analysis HTML analysis Sender analysis Exif analysis
Spam: Large financial amount mention from newly registered sender domain	Sublime Security	1mo ago Aug 3rd, 2026	BEC/Fraud Spam Social engineering Content analysis Sender analysis Whois
Spam: Link to blob.core.windows.net from new domain (<30d)	Sublime Security	1y ago Jul 16th, 2025	Spam Free subdomain host Header analysis URL analysis Sender analysis
Spam: Mastercard promotional content with image-based body	Sublime Security	10mo ago Nov 5th, 2025	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: New job cold outreach from unsolicited sender	Sublime Security	11mo ago Sep 29th, 2025	Spam Content analysis Natural Language Understanding Sender analysis URL analysis
Spam: New link domain (<=10d) and emojis	Sublime Security	1y ago Jul 16th, 2025	Spam Free email provider Content analysis Sender analysis URL analysis Whois
Spam: Sendersrv.com with financial communications and unsubscribe language	Sublime Security	6mo ago Feb 24th, 2026	Spam Evasion Social engineering Header analysis Content analysis Natural Language Understanding Sender analysis
Spam: Sexually explicit content with emoji in subject from freemail provider	Sublime Security	6mo ago Mar 10th, 2026	Spam Free email provider Social engineering Content analysis Header analysis Natural Language Understanding Sender analysis

753 Rules

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