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
Open redirect: marketing.edinburghairport.com	Sublime Security	1y ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis
Open redirect: next2.io	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis
Open redirect: people.anuneo.com	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis
Open redirect: queue.swytchbike.com	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Open redirect Header analysis URL analysis Sender analysis
Open redirect: Recipient address embedded in redirect URL pointing to newly registered domain	Sublime Security	3mo ago Jul 24th, 2026	Credential Phishing Open redirect Social engineering URL analysis Whois
Open redirect: slubnaglowie.pl	Sublime Security	1y ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis
Open redirect: typedrawers.com	Sublime Security	1y ago May 23rd, 2025	Credential Phishing Evasion Open redirect QR code Social engineering Content analysis File analysis QR code analysis Sender analysis
PayPal invoice abuse	Sublime Security	27d ago Sep 28th, 2026	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis
Potential prompt injection attack in body HTML	Sublime Security	1mo ago Sep 23rd, 2026	Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam BEC/Fraud Evasion Social engineering Header analysis HTML analysis Content analysis
Prompt injection: Body instructions addressed to an AI	Sublime Security	4d ago Oct 21st, 2026	BEC/Fraud Evasion Social engineering Content analysis Natural Language Understanding Sender analysis
Prompt injection: Hidden instructions to an AI in body HTML	Sublime Security	4d ago Oct 21st, 2026	BEC/Fraud Evasion Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis
Prompt injection: Instructions to an AI in a calendar invite	Sublime Security	4d ago Oct 21st, 2026	BEC/Fraud Evasion Social engineering Content analysis File analysis Natural Language Understanding Sender analysis
Punycode sender domain	Sublime Security	3y ago Aug 21st, 2023	Credential Phishing Malware/Ransomware Evasion Lookalike domain Punycode Social engineering Sender analysis
QR code to auto-download of a suspicious file type (unsolicited)	Sublime Security	1mo ago Sep 23rd, 2026	Malware/Ransomware Evasion LNK Social engineering Archive analysis File analysis Sender analysis URL analysis QR code analysis
QR Code with suspicious indicators	Sublime Security	6mo ago Apr 22nd, 2026	Credential Phishing QR code Social engineering Content analysis Header analysis Computer Vision Natural Language Understanding QR code analysis Sender analysis URL analysis
Reconnaissance: Email address harvesting attempt	Sublime Security	8mo ago Feb 23rd, 2026	BEC/Fraud Credential Phishing Spam Free email provider Social engineering Content analysis Header analysis Sender analysis URL analysis
Reconnaissance: Empty message from uncommon sender	Sublime Security	8mo ago Feb 25th, 2026	Spam Evasion Social engineering Content analysis Header analysis
Reconnaissance: Empty subject with mismatched reply-to from new sender	Sublime Security	8mo ago Feb 6th, 2026	BEC/Fraud Credential Phishing Evasion Social engineering Spoofing Header analysis Sender analysis
Reconnaissance: Fake real estate inquiry with empty body	Sublime Security	3mo ago Jul 8th, 2026	BEC/Fraud Social engineering Content analysis Sender analysis
Reconnaissance: Hotel booking reply-to redirect	Sublime Security	9mo ago Jan 27th, 2026	BEC/Fraud Free email provider Social engineering Content analysis Header analysis Sender analysis
Reconnaissance: Numeric-hex reference code subject	Sublime Security	1mo ago Sep 21st, 2026	BEC/Fraud Spam Social engineering Header analysis
Reconnaissance: Short generic greeting message	Sublime Security	1mo ago Aug 27th, 2026	BEC/Fraud Callback Phishing Social engineering Free email provider Content analysis Header analysis Natural Language Understanding Sender analysis
Recruitee Infrastructure Abuse	Sublime Security	1y ago Jul 16th, 2025	BEC/Fraud Credential Phishing Impersonation: Brand Social engineering Content analysis Natural Language Understanding Sender analysis URL analysis Whois
Salesforce infrastructure abuse	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Evasion Social engineering Content analysis Header analysis Natural Language Understanding URL analysis
Scam: Fake estate sale offering welding equipment and tools	Sublime Security	11d ago Oct 14th, 2026	BEC/Fraud Social engineering Free email provider Out of band pivot Content analysis Sender analysis Header analysis
Scam soliciting employer review/rating	Sublime Security	4mo ago Jun 12th, 2026	BEC/Fraud Credential Phishing Social engineering Impersonation: Brand Content analysis Natural Language Understanding Header analysis Sender analysis
Self-impersonation: Sender matches recipient with bolded name and suspicious link	Sublime Security	4mo ago Jun 16th, 2026	Credential Phishing Evasion Social engineering Header analysis HTML analysis Sender analysis
Self-sender with copy/paste instructions and suspicious domains (French/Français)	Sublime Security	6mo ago Apr 16th, 2026	Credential Phishing Evasion Free subdomain host Social engineering Content analysis Header analysis Sender analysis
Self-sent fake PDF attachment with misleading link	Sublime Security	1mo ago Sep 9th, 2026	Credential Phishing Evasion Free subdomain host Social engineering Content analysis URL analysis Sender analysis
Sender: Suspicious CC suffix in sender display name	Sublime Security	1mo ago Sep 16th, 2026	BEC/Fraud Credential Phishing Social engineering Spoofing Sender analysis
Sendgrid voicemail phish	Sublime Security	11mo ago Nov 24th, 2025	Credential Phishing Social engineering Content analysis Header analysis
Service abuse: Adobe Creative Cloud share from an unsolicited sender address	Sublime Security	1y ago Oct 22nd, 2025	Credential Phishing Social engineering Free file host Evasion HTML analysis Sender analysis Header analysis
Service abuse: Adobe legitimate domain with document approval language	Sublime Security	9mo ago Jan 23rd, 2026	BEC/Fraud Credential Phishing Social engineering Content analysis Header analysis Sender analysis
Service abuse: Adobe message from newly registered domain	Sublime Security	2mo ago Jul 31st, 2026	Credential Phishing Evasion Social engineering Lookalike domain Sender analysis Header analysis URL analysis Whois
Service abuse: Adobe share containing newly observed email address domain	Sublime Security	2mo ago Jul 31st, 2026	Credential Phishing BEC/Fraud Out of band pivot Social engineering URL analysis Sender analysis Content analysis
Service abuse: Adobe Sign notification from an unsolicited reply-to address	Sublime Security	1y ago Aug 5th, 2025	BEC/Fraud Callback Phishing Spam Social engineering Impersonation: Brand Header analysis Sender analysis
Service abuse: Amazon invitation with suspected callback phishing	Sublime Security	5mo ago May 22nd, 2026	Callback Phishing Out of band pivot Social engineering Content analysis HTML analysis Sender analysis
Service Abuse: American Express callback scam	Sublime Security	19d ago Oct 6th, 2026	Callback Phishing Impersonation: Brand Social engineering Natural Language Understanding Content analysis Sender analysis
Service abuse: Apple callback scam	Sublime Security	26d ago Sep 29th, 2026	Callback Phishing Social engineering Out of band pivot Sender analysis Header analysis Natural Language Understanding
Service abuse: Apple TestFlight with suspicious developer reference	Sublime Security	8mo ago Feb 6th, 2026	Spam Social engineering Content analysis HTML analysis Natural Language Understanding Sender analysis URL analysis
Service abuse: AppSheet infrastructure with suspicious indicators	Sublime Security	1y ago Oct 6th, 2025	Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding URL analysis Whois
Service abuse: Arketa notification callback scam	Sublime Security	2mo ago Aug 19th, 2026	Callback Phishing Social engineering Impersonation: Brand Evasion Out of band pivot Natural Language Understanding Content analysis Sender analysis
Service abuse: AWS SNS callback scam impersonation	Sublime Security	2mo ago Aug 20th, 2026	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis Natural Language Understanding Sender analysis
Service abuse: Behance document sharing with suspicious language	Sublime Security	7mo ago Mar 27th, 2026	Credential Phishing Free file host Social engineering Content analysis URL analysis
Service Abuse: Box file sharing with credential phishing intent	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing BEC/Fraud Callback Phishing Evasion Social engineering Impersonation: Employee Impersonation: VIP Content analysis Natural Language Understanding Sender analysis Header analysis
Service abuse: Calendly callback scam detection	Sublime Security	3mo ago Jul 14th, 2026	Callback Phishing Social engineering Impersonation: Brand Natural Language Understanding Sender analysis
Service abuse: Callback phishing via Microsoft Teams invite	Sublime Security	10mo ago Dec 12th, 2025	Callback Phishing Impersonation: Brand Out of band pivot Social engineering Content analysis URL analysis Sender analysis
Service abuse: Cisco secure email service with financial request	Sublime Security	1y ago Oct 1st, 2025	BEC/Fraud Impersonation: Brand Social engineering Evasion Content analysis Header analysis Natural Language Understanding Sender analysis
Service abuse: Citrix ShareFile impersonation via Outlook plugin	Sublime Security	4mo ago Jun 5th, 2026	BEC/Fraud Credential Phishing Free file host Social engineering File analysis Content analysis
Service abuse: Cognito Forms with short body from unknown sender	Sublime Security	2mo ago Aug 4th, 2026	Credential Phishing Social engineering Content analysis Sender analysis URL analysis

850 Rules

Page 14 of 17