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 Mar 9th, 2026

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Tactic or Technique is

Rule Name & Severity	Author	Last Updated	Labels
Link: Multistage landing - Trello board abuse	Sublime Security	6mo ago Aug 20th, 2025	Credential Phishing Free file host Social engineering URL analysis Content analysis Sender analysis URL screenshot	/feeds/core/detection-rules/link-multistage-landing-trello-board-abuse-14a5b23a
Link: MyActiveCampaign Link Abuse	Sublime Security	6mo ago Aug 20th, 2025	Credential Phishing Social engineering Natural Language Understanding URL analysis Sender analysis	/feeds/core/detection-rules/link-myactivecampaign-link-abuse-f5b91ce5
Link: .onion From Unsolicited Sender	Sublime Security	7mo ago Jul 30th, 2025	Malware/Ransomware Credential Phishing Evasion Social engineering URL analysis Header analysis Sender analysis	/feeds/core/detection-rules/link-onion-from-unsolicited-sender-9ac0fc83
Link: PDF and financial display text to free file host	Sublime Security	5mo ago Sep 24th, 2025	Credential Phishing Free file host Free email provider Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-pdf-and-financial-display-text-to-free-file-host-b010740b
Link: PDF filename impersonation with credential theft language	Sublime Security	26d ago Feb 12th, 2026	Credential Phishing Social engineering Evasion PDF Content analysis Natural Language Understanding Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-pdf-filename-impersonation-with-credential-theft-language-05931513
Link: Personal SharePoint with invalid recipients and credential theft language	Sublime Security	1mo ago Jan 23rd, 2026	Credential Phishing Social engineering Content analysis Header analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/link-personal-sharepoint-with-invalid-recipients-and-credential-theft-language-79d5403d
Link: QR code with phishing disposition in img or pdf	Sublime Security	7mo ago Jul 30th, 2025	Credential Phishing QR code Social engineering Content analysis Computer Vision QR code analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-qr-code-with-phishing-disposition-in-img-or-pdf-8e8949f6
Link: QR Code with suspicious language (untrusted sender)	Sublime Security	7mo 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	/feeds/core/detection-rules/link-qr-code-with-suspicious-language-untrusted-sender-25a84d1c
Link: QuickBooks image lure with suspicious link	Sublime Security	7mo ago Jul 23rd, 2025	Credential Phishing Impersonation: Brand Social engineering Computer Vision File analysis Optical Character Recognition URL analysis	/feeds/core/detection-rules/link-quickbooks-image-lure-with-suspicious-link-3826a923
Link: Recipient email address in 'eta' parameter	Sublime Security	1mo ago Jan 27th, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis	/feeds/core/detection-rules/link-recipient-email-address-in-eta-parameter-d24e42a2
Link: Romance/Sexual Language With Suspicious Link	Sublime Security	6mo ago Aug 22nd, 2025	Spam Social engineering Content analysis Header analysis URL analysis Whois	/feeds/core/detection-rules/link-romancesexual-language-with-suspicious-link-d5694cae
Link: ScreenConnect installer with suspicious relay domain	Sublime Security	1mo ago Jan 12th, 2026	Malware/Ransomware Evasion Out of band pivot Social engineering URL analysis File analysis Content analysis	/feeds/core/detection-rules/link-screenconnect-installer-with-suspicious-relay-domain-37d21eef
Link: Scribd fullscreen link from suspicious sender	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Free file host Social engineering Evasion URL analysis Sender analysis	/feeds/core/detection-rules/link-scribd-fullscreen-link-from-suspicious-sender-9e9bc972
Link: Self-sender with sender org in subject and credential theft indicator	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Social engineering Evasion Natural Language Understanding Content analysis Sender analysis URL analysis Header analysis	/feeds/core/detection-rules/link-self-sender-with-sender-org-in-subject-and-credential-theft-indicator-bfa9aa08
Link: Self-sent message with quarterly document review request	Sublime Security	1mo ago Jan 21st, 2026	BEC/Fraud Credential Phishing Social engineering Evasion Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-self-sent-message-with-quarterly-document-review-request-3c42cec6
Link: SharePoint filename matches org name	Sublime Security	1mo ago Feb 6th, 2026	Credential Phishing Impersonation: Employee Social engineering Content analysis URL analysis	/feeds/core/detection-rules/link-sharepoint-filename-matches-org-name-cb954726
Link: Squarespace infrastructure abuse	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Spam Impersonation: Brand Social engineering Header analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-squarespace-infrastructure-abuse-a8fe9d30
Link: Suspicious go.php redirect with document lure	Sublime Security	1mo ago Feb 6th, 2026	Credential Phishing Evasion Social engineering Content analysis URL analysis	/feeds/core/detection-rules/link-suspicious-gophp-redirect-with-document-lure-f3d8c227
Link: Suspicious URL with recipient targeting and special characters	Sublime Security	17d ago Feb 21st, 2026	Credential Phishing Social engineering Evasion URL analysis Content analysis	/feeds/core/detection-rules/link-suspicious-url-with-recipient-targeting-and-special-characters-e808be3a
Link to auto-downloaded disk image in encrypted zip	@ajpc500	1mo ago Jan 12th, 2026	Malware/Ransomware Encryption Evasion Social engineering Archive analysis File analysis Sender analysis URL analysis YARA	/feeds/core/detection-rules/link-to-auto-downloaded-disk-image-in-encrypted-zip-b50f0cb1
Link to auto-downloaded DMG in encrypted zip	Sublime Security	7mo ago Jul 16th, 2025	Malware/Ransomware Encryption Evasion Social engineering Archive analysis File analysis Sender analysis URL analysis YARA	/feeds/core/detection-rules/link-to-auto-downloaded-dmg-in-encrypted-zip-43af98d3
Link to auto-downloaded file with Adobe branding	Sublime Security	7mo ago Jul 16th, 2025	Malware/Ransomware Impersonation: Brand Social engineering File analysis Optical Character Recognition Sender analysis URL analysis URL screenshot	/feeds/core/detection-rules/link-to-auto-downloaded-file-with-adobe-branding-e826c2cf
Link to auto-downloaded file with Google Drive branding	Sublime Security	1mo ago Jan 12th, 2026	Malware/Ransomware Impersonation: Brand Social engineering Content analysis File analysis Optical Character Recognition URL analysis URL screenshot	/feeds/core/detection-rules/link-to-auto-downloaded-file-with-google-drive-branding-4b5343be
Link to auto-download of a suspicious file type (unsolicited)	Sublime Security	1mo ago Jan 12th, 2026	Malware/Ransomware Encryption Evasion LNK Social engineering Archive analysis File analysis Sender analysis URL analysis YARA	/feeds/core/detection-rules/link-to-auto-download-of-a-suspicious-file-type-unsolicited-67ae2152
Link to Google Apps Script macro (unsolicited)	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Social engineering Sender analysis URL analysis	/feeds/core/detection-rules/link-to-google-apps-script-macro-unsolicited-d10146df
Link to Google Apps Script macro via comment tagging	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-to-google-apps-script-macro-via-comment-tagging-66fecd30
Link: Uncommon SharePoint document type with sender's display name	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Social engineering OneNote PDF Content analysis Header analysis HTML analysis URL analysis	/feeds/core/detection-rules/link-uncommon-sharepoint-document-type-with-senders-display-name-02d290b2
Link: URL scheme obfuscation via split HTML anchors	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing BEC/Fraud Evasion HTML injection Social engineering Content analysis HTML analysis URL analysis	/feeds/core/detection-rules/link-url-scheme-obfuscation-via-split-html-anchors-10375948
Link: URL shortener with copy-paste instructions and credential theft language	Sublime Security	1mo ago Feb 6th, 2026	Credential Phishing Evasion Social engineering Content analysis Natural Language Understanding URL analysis	/feeds/core/detection-rules/link-url-shortener-with-copy-paste-instructions-and-credential-theft-language-a0a2c573
Link: WordPress login page with Blogspot Binance scam	Sublime Security	21d ago Feb 17th, 2026	Credential Phishing BEC/Fraud Social engineering Free subdomain host Impersonation: Brand Content analysis URL analysis	/feeds/core/detection-rules/link-wordpress-login-page-with-blogspot-binance-scam-909dfae5
Lookalike sender domain (untrusted sender)	Sublime Security	7mo ago Jul 16th, 2025	BEC/Fraud Credential Phishing Malware/Ransomware Lookalike domain Social engineering Sender analysis	/feeds/core/detection-rules/lookalike-sender-domain-untrusted-sender-67721993
Low reputation link to auto-downloaded HTML file with smuggling indicators	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Evasion Free file host Free subdomain host HTML smuggling Impersonation: Brand Open redirect Social engineering Content analysis File analysis HTML analysis Javascript analysis Sender analysis URL analysis	/feeds/core/detection-rules/low-reputation-link-to-auto-downloaded-html-file-with-smuggling-indicators-339676c6
macOS malware: Compiled AppleScript with document double-extension	Sublime Security	1mo ago Feb 5th, 2026	Malware/Ransomware Evasion Social engineering File analysis Header analysis	/feeds/core/detection-rules/macos-malware-compiled-applescript-with-document-double-extension-9669c169
Mass campaign: Cross Site Scripting (XSS) attempt	Sublime Security	7mo ago Jul 16th, 2025	Malware/Ransomware Spam Exploit Free email provider Scripting Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/mass-campaign-cross-site-scripting-xss-attempt-6cbb7124
Mass campaign: recipient address in subject, body, and link (untrusted sender)	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Social engineering Header analysis Natural Language Understanding Sender analysis	/feeds/core/detection-rules/mass-campaign-recipient-address-in-subject-body-and-link-untrusted-sender-599dabf5
Microsoft device code phishing	@ajpc500	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/microsoft-device-code-phishing-61f3ae67
Microsoft infrastructure abuse with suspicious patterns	Sublime Security	1mo ago Jan 12th, 2026	BEC/Fraud Callback Phishing Evasion Impersonation: Brand Social engineering Header analysis Sender analysis	/feeds/core/detection-rules/microsoft-infrastructure-abuse-with-suspicious-patterns-cfe8e804
Mismatched links: Free file share with urgent language	Sublime Security	7mo ago Aug 5th, 2025	BEC/Fraud Callback Phishing Credential Phishing Extortion Malware/Ransomware Spam Free file host Social engineering Natural Language Understanding Sender analysis URL analysis	/feeds/core/detection-rules/mismatched-links-free-file-share-with-urgent-language-478334c8
Newly registered sender or reply-to domain with newly registered linked domain	Sublime Security	7mo ago Aug 5th, 2025	BEC/Fraud Credential Phishing Malware/Ransomware Social engineering Header analysis URL analysis Whois	/feeds/core/detection-rules/newly-registered-sender-or-reply-to-domain-with-newly-registered-linked-domain-e5b6a81f
Non-RFC compliant calendar files from unsolicited sender	Sublime Security	5mo ago Oct 1st, 2025	Evasion Social engineering Archive analysis Content analysis File analysis Sender analysis	/feeds/core/detection-rules/non-rfc-compliant-calendar-files-from-unsolicited-sender-9859f100
Open redirect: City of Calgary	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Exploit Open redirect Social engineering Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-city-of-calgary-00321858
Open redirect: giving.lluh.org	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-givinglluhorg-a2bf1099
Open redirect: Klaviyo	Sublime Security	2y ago May 14th, 2024	Credential Phishing Spam Evasion Impersonation: Brand Open redirect Social engineering Content analysis URL analysis	/feeds/core/detection-rules/open-redirect-klaviyo-ce5a370a
Open redirect: marketing.edinburghairport.com	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-marketingedinburghairportcom-33a47565
Open redirect: next2.io	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-next2io-5085c422
Open redirect: people.anuneo.com	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-peopleanuneocom-2ae83b73
Open redirect: queue.swytchbike.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Impersonation: Brand Social engineering Open redirect Header analysis URL analysis Sender analysis	/feeds/core/detection-rules/open-redirect-queueswytchbikecom-916003d1
Open redirect: slubnaglowie.pl	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect Social engineering Content analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-slubnaglowiepl-2ec356d0
Open redirect: typedrawers.com	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Evasion Open redirect QR code Social engineering Content analysis File analysis QR code analysis Sender analysis	/feeds/core/detection-rules/open-redirect-typedrawerscom-158d9e95
PayPal invoice abuse	Sublime Security	27d ago Feb 11th, 2026	BEC/Fraud Callback Phishing Evasion Social engineering Content analysis Header analysis Sender analysis	/feeds/core/detection-rules/paypal-invoice-abuse-0ff7a0d4

510 Rules

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