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

Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Link: Direct link to Zoom Docs from non-Zoom sender	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Social engineering Impersonation: Brand Header analysis URL analysis Sender analysis
Link: Direct POWR.io Form Builder with suspicious patterns	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Callback Phishing Social engineering File analysis URL analysis Content analysis
Link: Display text matches subject line	Sublime Security	5mo ago Nov 14th, 2025	BEC/Fraud Credential Phishing Social engineering Evasion Header analysis Content analysis Natural Language Understanding URL analysis
Link: Executable file download with suspicious message content	Sublime Security	6mo ago Oct 16th, 2025	Credential Phishing Malware/Ransomware Evasion Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Header analysis
Link: Figma design deck with credential theft language	Sublime Security	1mo ago Mar 4th, 2026	Credential Phishing Evasion Free file host Social engineering Natural Language Understanding Computer Vision Optical Character Recognition URL analysis URL screenshot Sender analysis
Link: File sharing impersonation with suspicious language and sending patterns	Sublime Security	5mo ago Oct 31st, 2025	BEC/Fraud Credential Phishing Social engineering Free subdomain host Impersonation: Brand Natural Language Understanding URL analysis Sender analysis Header analysis Content analysis
Link: File sharing pretext with suspicious body and link	Sublime Security	6mo ago Oct 10th, 2025	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis URL analysis HTML analysis
Link: Financial account issue with suspicious indicators	Sublime Security	1mo ago Mar 24th, 2026	Credential Phishing Free file host Free subdomain host Social engineering Content analysis Natural Language Understanding URL analysis Whois
Link: Google Calendar invite linking to an open redirect from an untrusted freemail sender	Sublime Security	9mo ago Jul 16th, 2025	Spam Free email provider Free file host Open redirect Social engineering Content analysis Sender analysis URL analysis
Link: Google Drawings link from new sender	Sublime Security	1mo ago Mar 9th, 2026	Credential Phishing BEC/Fraud Social engineering URL analysis Sender analysis
Link: Google Forms link with credential theft language	Sublime Security	1mo ago Mar 2nd, 2026	Credential Phishing Social engineering Natural Language Understanding Sender analysis URL analysis
Link: Hotel booking spoofed display URL	Sublime Security	2mo ago Feb 17th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering URL analysis Sender analysis
Link: HR impersonation with suspicious domain indicators and credential theft	Sublime Security	4mo ago Dec 3rd, 2025	Credential Phishing Impersonation: Employee Social engineering Lookalike domain Content analysis Natural Language Understanding Computer Vision URL analysis URL screenshot
Link: /index.php enclosed in three asterisks	Sublime Security	3mo ago Jan 12th, 2026	Malware/Ransomware Callback Phishing Social engineering Content analysis URL analysis
Link: Intuit link abuse with file share context	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering URL analysis Natural Language Understanding Content analysis Header analysis
Link: Invoice or receipt from freemail sender with customer service number	@vector_sec	3mo ago Jan 12th, 2026	BEC/Fraud Callback Phishing Free email provider Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Link: Job recruitment lure from unsolicited sender with suspicious hosting	Sublime Security	18d ago Apr 7th, 2026	Credential Phishing Social engineering Content analysis Sender analysis URL analysis
Link: Mamba 2FA phishing kit	Sublime Security	2mo ago Jan 28th, 2026	Credential Phishing Evasion Social engineering URL analysis
Link: Microsoft device code authentication with suspicious indicators	Sublime Security	1mo ago Mar 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Evasion URL analysis URL screenshot Content analysis
Link: Microsoft impersonation using hosted png with suspicious link	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Link: Microsoft protected message with matching sender and recipient addresses	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Content analysis File analysis Header analysis Sender analysis URL analysis
Link: Multistage landing - Abused Adobe Acrobat hosted PDF	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Optical Character Recognition URL analysis Header analysis Sender analysis
Link: Multistage Landing - Abused Buildin.ai	Sublime Security	7mo ago Sep 5th, 2025	Credential Phishing Free file host Social engineering URL analysis Natural Language Understanding
Link: Multistage landing - FreshDesk knowledge base abuse	Sublime Security	8mo ago Aug 21st, 2025	Credential Phishing Open redirect Impersonation: Brand Social engineering Content analysis Natural Language Understanding URL analysis URL screenshot
Link: Multistage landing - JotForm abuse	Sublime Security	4mo ago Dec 1st, 2025	Credential Phishing Evasion Social engineering Content analysis HTML analysis Javascript analysis URL analysis
Link: Multistage landing - Ludus presentation	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Evasion Social engineering Impersonation: Brand Header analysis URL analysis Computer Vision URL screenshot Natural Language Understanding Optical Character Recognition Sender analysis
Link: Multistage landing - Microsoft Forms abuse	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering HTML analysis URL analysis Content analysis
Link: Multistage landing - Published Google Doc	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Natural Language Understanding URL analysis Whois
Link: Multistage landing - Scribd document	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering Impersonation: Brand Free file host URL analysis HTML analysis Natural Language Understanding Computer Vision Optical Character Recognition URL screenshot
Link: Multistage landing - Trello board abuse	Sublime Security	8mo ago Aug 20th, 2025	Credential Phishing Free file host Social engineering URL analysis Content analysis Sender analysis URL screenshot
Link: MyActiveCampaign Link Abuse	Sublime Security	8mo ago Aug 20th, 2025	Credential Phishing Social engineering Natural Language Understanding URL analysis Sender analysis
Link: .onion From Unsolicited Sender	Sublime Security	8mo ago Jul 30th, 2025	Malware/Ransomware Credential Phishing Evasion Social engineering URL analysis Header analysis Sender analysis
Link: PDF and financial display text to free file host	Sublime Security	7mo ago Sep 24th, 2025	Credential Phishing Free file host Free email provider Social engineering Content analysis Sender analysis URL analysis
Link: PDF filename impersonation with credential theft language	Sublime Security	2mo ago Feb 12th, 2026	Credential Phishing Social engineering Evasion PDF Content analysis Natural Language Understanding Header analysis Sender analysis URL analysis
Link: Personalized URL with recipient address on commonly abused web service	Sublime Security	24d ago Apr 1st, 2026	Credential Phishing Malware/Ransomware Free file host Social engineering URL analysis Header analysis
Link: Personal SharePoint with invalid recipients and credential theft language	Sublime Security	3mo ago Jan 23rd, 2026	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding URL analysis
Link: QR code with phishing disposition in img or pdf	Sublime Security	8mo ago Jul 30th, 2025	Credential Phishing QR code Social engineering Content analysis Computer Vision QR code analysis Sender analysis URL analysis
Link: QR Code with suspicious language (untrusted sender)	Sublime Security	8mo ago Jul 30th, 2025	Credential Phishing Impersonation: Brand QR code Social engineering Content analysis Computer Vision Natural Language Understanding QR code analysis Sender analysis URL analysis
Link: QuickBooks image lure with suspicious link	Sublime Security	9mo ago Jul 23rd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Optical Character Recognition URL analysis
Link: Recipient email address in 'eta' parameter	Sublime Security	2mo ago Jan 27th, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis
Link: RFI document reference pattern in display text	Sublime Security	24d ago Apr 1st, 2026	BEC/Fraud Social engineering Content analysis URL analysis
Link: Romance/Sexual Language With Suspicious Link	Sublime Security	8mo ago Aug 22nd, 2025	Spam Social engineering Content analysis Header analysis URL analysis Whois
Link: ScreenConnect installer with suspicious relay domain	Sublime Security	3mo ago Jan 12th, 2026	Malware/Ransomware Evasion Out of band pivot Social engineering URL analysis File analysis Content analysis
Link: Scribd fullscreen link from suspicious sender	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Evasion URL analysis Sender analysis
Link: Self-sender with sender org in subject and credential theft indicator	Sublime Security	3mo ago Jan 12th, 2026	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis Sender analysis URL analysis Header analysis
Link: Self-sent message with quarterly document review request	Sublime Security	3mo ago Jan 21st, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Header analysis Sender analysis URL analysis
Link: SharePoint filename matches org name	Sublime Security	2mo ago Feb 6th, 2026	Credential Phishing Impersonation: Employee Social engineering Content analysis URL analysis
Link: Shortened URL with fragment matching subject	Sublime Security	16d ago Apr 9th, 2026	Credential Phishing BEC/Fraud Evasion Social engineering Content analysis URL analysis Header analysis
Link: Single character path with credential theft body and self sender behavior or invalid recipient	Sublime Security	11h ago Apr 24th, 2026	Credential Phishing Evasion Social engineering Natural Language Understanding URL analysis Sender analysis Header analysis
Link: Squarespace infrastructure abuse	Sublime Security	8mo ago Aug 5th, 2025	Credential Phishing Spam Impersonation: Brand Social engineering Header analysis URL analysis Sender analysis

564 Rules

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