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

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Link: Google Drawings link from new sender	Sublime Security	7mo ago Mar 9th, 2026	Credential Phishing BEC/Fraud Social engineering URL analysis Sender analysis
Link: Google Forms link with credential theft language	Sublime Security	5mo ago May 11th, 2026	Credential Phishing Social engineering Natural Language Understanding Sender analysis URL analysis
Link: Google Translate (unsolicited)	@ajpc500	9mo ago Jan 12th, 2026	Credential Phishing Open redirect Sender analysis URL analysis
Link: Hotel booking spoofed display URL	Sublime Security	2mo ago Jul 29th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering URL analysis Sender analysis
Link: Invalid reply-to with recipient details in subject, body, and encoded link	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing BEC/Fraud Social engineering Evasion Spoofing Header analysis Content analysis URL analysis Sender analysis
Link: Invoice or receipt from freemail sender with customer service number	@vector_sec	9mo ago Jan 12th, 2026	BEC/Fraud Callback Phishing Free email provider Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis
Link: IPFS	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Free file host Free subdomain host IPFS Sender analysis URL analysis
Link: Jensi file preview link from unsolicited sender	Sublime Security	1mo ago Sep 23rd, 2026	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis
Link: Job recruitment lure from unsolicited sender with suspicious hosting	Sublime Security	6mo ago Apr 7th, 2026	Credential Phishing Social engineering Content analysis Sender analysis URL analysis
Link: Microsoft impersonation using hosted png with suspicious link	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis
Link: Microsoft protected message with suspicious recipient patterns	Sublime Security	1mo ago Aug 27th, 2026	Credential Phishing Evasion Social engineering Content analysis File analysis Header analysis Sender analysis URL analysis
Link: Mismatched Shopify template button href	Sublime Security	2mo ago Aug 20th, 2026	Credential Phishing Evasion Social engineering HTML analysis URL analysis Header analysis Sender analysis
Link: Multistage landing - Abused Adobe Acrobat hosted PDF	Sublime Security	1mo ago Sep 11th, 2026	Credential Phishing Impersonation: Brand Social engineering Computer Vision Optical Character Recognition URL analysis Header analysis Sender analysis
Link: Multistage landing - Abused Docusign	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Free subdomain host Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Multistage landing - Abused Google Drive	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Evasion Free email provider Free file host Content analysis Sender analysis URL analysis Whois HTML analysis
Link: Multistage landing - Ludus presentation	Sublime Security	1mo ago Sep 23rd, 2026	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 - Trello board abuse	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing Free file host Social engineering URL analysis Content analysis Sender analysis URL screenshot
Link: MyActiveCampaign Link Abuse	Sublime Security	1y ago Aug 20th, 2025	Credential Phishing Social engineering Natural Language Understanding URL analysis Sender analysis
Link: Observed URL pattern with specific domain registrar	Sublime Security	4mo ago Jun 12th, 2026	Spam Free email provider URL analysis Sender analysis Whois
Link: .onion From Unsolicited Sender	Sublime Security	1mo ago Sep 23rd, 2026	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	1y 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	8mo ago Feb 12th, 2026	Credential Phishing Social engineering Evasion PDF Content analysis Natural Language Understanding Header analysis Sender analysis URL analysis
Link: QR code with phishing disposition in img or pdf	Sublime Security	1mo ago Sep 23rd, 2026	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	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand QR code Social engineering Content analysis Computer Vision Natural Language Understanding QR code analysis Sender analysis URL analysis
Link: Recipient domain in URL path	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Lookalike domain Header analysis Sender analysis URL analysis
Link: Referrer anonymization service from untrusted sender	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Open redirect Evasion Header analysis URL analysis Sender analysis
Link: Scribd fullscreen link from suspicious sender	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Evasion URL analysis Sender analysis
Link: Secure SharePoint file share from new or unusual sender	Sublime Security	1mo ago Sep 22nd, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis
Link: Self-sender with IP geolocation check and suspicious link behavior	Sublime Security	3mo ago Jul 14th, 2026	Credential Phishing Evasion Social engineering Sender analysis URL analysis
Link: Self-sender with sender org in subject and credential theft indicator	Sublime Security	2mo ago Aug 25th, 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	4mo ago Jun 26th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Header analysis Sender analysis URL analysis
Link: Self-sent PDF lure with subject correlation	Sublime Security	4mo ago Jun 4th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Header analysis HTML analysis Sender analysis Content analysis
Link: SharePoint files shared from GoDaddy federated tenants	Sublime Security	1y ago Jul 16th, 2025	Credential Phishing Evasion Sender analysis URL analysis
Link: SharePoint OneNote or PDF link with self sender behavior	Sublime Security	7mo ago Feb 27th, 2026	Credential Phishing Evasion Free file host OneNote PDF Header analysis URL analysis Sender analysis
Link: Single character path with credential theft body and self sender behavior or invalid recipient	Sublime Security	6mo ago Apr 24th, 2026	Credential Phishing Evasion Social engineering Natural Language Understanding URL analysis Sender analysis Header analysis
Link: Squarespace infrastructure abuse	Sublime Security	1y ago Aug 5th, 2025	Credential Phishing Spam Impersonation: Brand Social engineering Header analysis URL analysis Sender analysis
Link: .su domain link redirection from new sender domains	Sublime Security	2mo ago Aug 13th, 2026	Credential Phishing Spam Open redirect Social engineering Evasion URL analysis Sender analysis
Link: Suspicious recipient with timeout redirect	Sublime Security	2mo ago Aug 4th, 2026	Credential Phishing Scripting Evasion Social engineering URL analysis Javascript analysis HTML analysis Sender analysis
Link: Suspicious Sharepoint folder share	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Free file host Evasion HTML analysis Header analysis Sender analysis URL analysis
Link: Suspicious TLD hosting client.js with cf beacon	Sublime Security	1mo ago Sep 11th, 2026	Credential Phishing Social engineering Scripting URL analysis Content analysis Sender analysis
Link: Suspicious wp-admin path from mismatched sender domain	Sublime Security	3mo ago Jul 17th, 2026	Credential Phishing Evasion Social engineering Spoofing URL analysis Sender analysis Header analysis
Link to a domain with punycode characters	@ajpc500	11mo ago Nov 12th, 2025	Credential Phishing Evasion Lookalike domain Punycode Sender analysis URL analysis
Link to auto-downloaded disk image in encrypted zip	@ajpc500	9mo ago Jan 12th, 2026	Malware/Ransomware Encryption Evasion Social engineering Archive analysis File analysis Sender analysis URL analysis YARA
Link to auto-downloaded DMG in archive	Sublime Security	1mo ago Sep 23rd, 2026	Malware/Ransomware Evasion Archive analysis File analysis Sender analysis URL analysis
Link to auto-downloaded DMG in encrypted zip	Sublime Security	1mo ago Sep 23rd, 2026	Malware/Ransomware Encryption Evasion Social engineering Archive analysis File analysis Sender analysis URL analysis YARA
Link to auto-downloaded file with Adobe branding	Sublime Security	1y ago Jul 16th, 2025	Malware/Ransomware Impersonation: Brand Social engineering File analysis Optical Character Recognition Sender analysis URL analysis URL screenshot
Link to auto-download of a suspicious file type (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Encryption Evasion LNK Social engineering Archive analysis File analysis Sender analysis URL analysis YARA
Link to Google Apps Script macro (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Social engineering Sender analysis URL analysis
Link to Google Apps Script macro via comment tagging	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Social engineering Content analysis Sender analysis URL analysis
Link: Unicode character obfuscation in display name with base64-encoded URL fragment	Sublime Security	2mo ago Aug 3rd, 2026	Credential Phishing Evasion Social engineering URL analysis Sender analysis Content analysis

786 Rules

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