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
Attachment: Image-only docx/pptx callback phishing	Sublime Security	27d ago Sep 28th, 2026	Callback Phishing Image as content Impersonation: Brand Social engineering File analysis Optical Character Recognition Content analysis
Attachment: Invoice and W-9 PDFs with suspicious creators	Sublime Security	2mo ago Aug 25th, 2026	BEC/Fraud PDF Social engineering Impersonation: Brand File analysis Optical Character Recognition Exif analysis Content analysis
Attachment: JavaScript file with suspicious base64-encoded executable	Sublime Security	2y ago Apr 1st, 2024	Malware/Ransomware Evasion Scripting Archive analysis File analysis YARA
Attachment: JPEG with gd-jpeg creator and suspicious file name	Sublime Security	4mo ago Jun 12th, 2026	Credential Phishing Evasion File analysis Exif analysis
Attachment: Legal themed message or PDF with suspicious indicators	Sublime Security	1mo ago Sep 15th, 2026	Credential Phishing Extortion BEC/Fraud Evasion PDF Social engineering Content analysis File analysis Natural Language Understanding Optical Character Recognition URL analysis Whois Header analysis Exif analysis
Attachment: Link file with UNC path	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion LNK File analysis
Attachment: Link to Doubleclick.net open redirect	Sublime Security	5mo ago Apr 29th, 2026	BEC/Fraud Credential Phishing Evasion Open redirect Social engineering Content analysis File analysis URL analysis
Attachment: LNK file	@ajpc500	3y ago Aug 21st, 2023	Malware/Ransomware LNK Archive analysis File analysis
Attachment: LNK with embedded content	@ajpc500	9mo ago Jan 12th, 2026	Malware/Ransomware Exploit LNK Scripting Content analysis Exif analysis File analysis
Attachment: Macro files containing MHT content	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Credential Phishing Evasion Macros Scripting Archive analysis File analysis Macro analysis
Attachment: Macro with suspected use of COM ShellBrowserWindow object for process creation	@ajpc500	9mo ago Jan 12th, 2026	Malware/Ransomware Macros Scripting Content analysis File analysis Macro analysis
Attachment: Malformed mobileconfig file	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Evasion File analysis XML analysis
Attachment: Malformed OLE file	Sublime Security	2y ago Nov 25th, 2024	Credential Phishing Malware/Ransomware Evasion File analysis YARA
Attachment: Malicious mobileconfig profile	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Social engineering File analysis Content analysis Threat intelligence
Attachment: Malicious OneNote commands	@Kyle_Parrish_	9mo ago Jan 12th, 2026	Malware/Ransomware OneNote Scripting Archive analysis Content analysis File analysis YARA
Attachment: Meetergo booking link	Sublime Security	16d ago Oct 9th, 2026	BEC/Fraud Credential Phishing Social engineering Evasion File analysis URL analysis
Attachment: Microsoft 365 credential phishing	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis File analysis Header analysis Optical Character Recognition Sender analysis
Attachment: Microsoft impersonation via PDF with link and suspicious language	Sublime Security	1mo ago Sep 23rd, 2026	Credential Phishing Malware/Ransomware Image as content Impersonation: Brand PDF Scripting Social engineering Computer Vision File analysis Header analysis Natural Language Understanding Sender analysis
Attachment: Microsoft OAuth credential harvesting via EML with embedded malicious links	Sublime Security	11d ago Oct 14th, 2026	Credential Phishing Impersonation: Brand Evasion PDF File analysis URL analysis Content analysis
Attachment: Microsoft SharePoint Impersonation via images in macro-enabled attachment	Sublime Security	3mo ago Jul 16th, 2026	Credential Phishing Impersonation: Brand Macros Image as content Social engineering File analysis Macro analysis Optical Character Recognition
Attachment: Mobileconfig profile with mismatched embedded email	Sublime Security	26d ago Sep 29th, 2026	Credential Phishing Evasion Social engineering File analysis Content analysis Sender analysis
Attachment: MSI installer file	@ajpc500	1y ago Aug 5th, 2025	Malware/Ransomware Evasion Archive analysis File analysis
Attachment: MS Office or RTF file with Shell.Explorer.1 com object with embedded LNK	Sublime Security	8mo ago Jan 28th, 2026	Malware/Ransomware Evasion File analysis YARA
Attachment: MS OOXML file created by Administrator with zero edit time	Sublime Security	4mo ago Jun 12th, 2026	Malware/Ransomware Evasion Exif analysis File analysis
Attachment: Office document loads remote document template	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Archive analysis File analysis URL analysis
Attachment: Office document with VSTO add-in	@vector_sec	9mo ago Jan 12th, 2026	Malware/Ransomware Scripting Archive analysis Content analysis Exif analysis File analysis Sender analysis URL analysis
Attachment: Office file contains OLE relationship to credential phishing page	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis HTML analysis Natural Language Understanding OLE analysis URL analysis
Attachment: Office file with credential phishing URLs	Sublime Security	9mo ago Jan 12th, 2026	Credential Phishing Evasion Social engineering File analysis URL analysis Archive analysis Content analysis
Attachment: Office file with document sharing and browser instruction lures	Sublime Security	1mo ago Sep 18th, 2026	Credential Phishing Social engineering Evasion Archive analysis File analysis Macro analysis Optical Character Recognition Content analysis
Attachment: Office file with suspicious function calls or downloaded file path	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion Scripting Archive analysis File analysis
Attachment: Oversized guest-list calendar invite with purchase order lure	Sublime Security	27d ago Sep 28th, 2026	BEC/Fraud Social engineering Impersonation: Brand ICS Phishing File analysis Content analysis Natural Language Understanding Sender analysis Header analysis
Attachment: Oversized guest-list calendar invite with voicemail lure	Sublime Security	27d ago Sep 28th, 2026	BEC/Fraud Social engineering Impersonation: Brand ICS Phishing File analysis Content analysis Natural Language Understanding Sender analysis Header analysis
Attachment: Password-protected PDF with fake document indicators	Sublime Security	9mo ago Jan 21st, 2026	Malware/Ransomware Credential Phishing Encryption Evasion PDF File analysis YARA Exif analysis
Attachment: PDF Adobe lure	Sublime Security	16d ago Oct 9th, 2026	Credential Phishing PDF Social engineering YARA File analysis
Attachment: PDF Attachment with links to workers.dev	Sublime Security	4mo ago Jun 4th, 2026	Credential Phishing PDF Free subdomain host Evasion File analysis Exif analysis URL analysis
Attachment: PDF bid/proposal lure with credential theft indicators	Sublime Security	7mo ago Mar 27th, 2026	BEC/Fraud Credential Phishing PDF Social engineering Free file host Free subdomain host File analysis Content analysis Optical Character Recognition Natural Language Understanding URL analysis Exif analysis
Attachment: PDF blue OneDrive lure	Sublime Security	6d ago Oct 19th, 2026	Credential Phishing PDF Impersonation: Brand Social engineering YARA File analysis
Attachment: PDF contains W9 or invoice YARA signatures	Sublime Security	7mo ago Mar 18th, 2026	BEC/Fraud Credential Phishing PDF Social engineering File analysis YARA
Attachment: PDF credential phishing via wkhtmltopdf/Qt with suspicious link	Sublime Security	24d ago Oct 1st, 2026	Credential Phishing PDF Open redirect Social engineering Exif analysis Optical Character Recognition Natural Language Understanding URL analysis File analysis
Attachment: PDF document portal credential theft lure	Sublime Security	1mo ago Sep 18th, 2026	Credential Phishing PDF Social engineering File analysis Content analysis Natural Language Understanding Header analysis Sender analysis
Attachment: PDF file with link to fake Bitcoin exchange	Sublime Security	9mo ago Jan 12th, 2026	BEC/Fraud Free email provider Impersonation: Brand PDF Social engineering Exif analysis File analysis Sender analysis URL analysis
Attachment: PDF file with low reputation links to suspicious filetypes (unsolicited)	Sublime Security	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis File analysis Sender analysis
Attachment: PDF file with low reputation link to ZIP file (unsolicited)	Michael Tingle	9mo ago Jan 12th, 2026	Malware/Ransomware Evasion PDF Archive analysis File analysis Natural Language Understanding Sender analysis URL analysis
Attachment: PDF file with recipient domain and ATT eCheckRun pattern	Sublime Security	4mo ago Jun 16th, 2026	BEC/Fraud PDF Social engineering File analysis Content analysis
Attachment: PDF generated with wkhtmltopdf tool and default title	Sublime Security	10mo ago Dec 19th, 2025	BEC/Fraud Callback Phishing Credential Phishing Malware/Ransomware PDF Evasion File analysis Exif analysis
Attachment: PDF Grant Payment lure with embedded link	Sublime Security	1mo ago Aug 26th, 2026	Credential Phishing PDF Social engineering File analysis URL analysis Content analysis
Attachment: PDF including a Microsoft lure with specific signature	Sublime Security	24d ago Oct 1st, 2026	Credential Phishing PDF Impersonation: Brand Social engineering YARA File analysis
Attachment: PDF Link With Valueless Base64 Query Parameter	Sublime Security	19d ago Oct 6th, 2026	Credential Phishing PDF Evasion File analysis URL analysis
Attachment: PDF Object Hash associated with a fake invoice and a W-9	Sublime Security	3mo ago Jul 2nd, 2026	BEC/Fraud PDF Evasion File analysis Threat Intelligence
Attachment: PDF Object Hash associated with fake Canada Revenue Agency documents	Sublime Security	4mo ago Jun 17th, 2026	Credential Phishing Malware/Ransomware PDF Evasion File analysis Threat Intelligence

376 Rules

Page 4 of 8