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

Feed Source

GitHub

Detection Method is

Rule Name & Severity	Author	Last Updated	Labels
Link: Referrer anonymization service from untrusted sender	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Open redirect Evasion Header analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-referrer-anonymization-service-from-untrusted-sender-9fab2e1e
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: Secure SharePoint file share from new or unusual sender	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Free file host Evasion Content analysis Sender analysis	/feeds/core/detection-rules/link-secure-sharepoint-file-share-from-new-or-unusual-sender-74ed3020
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 files shared from GoDaddy federated tenants	Sublime Security	7mo ago Jul 16th, 2025	Credential Phishing Evasion Sender analysis URL analysis	/feeds/core/detection-rules/link-sharepoint-files-shared-from-godaddy-federated-tenants-0e26cdd2
Link: SharePoint OneNote or PDF link with self sender behavior	Sublime Security	11d ago Feb 27th, 2026	Credential Phishing Evasion Free file host OneNote PDF Header analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-sharepoint-onenote-or-pdf-link-with-self-sender-behavior-588e7203
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 Sharepoint folder share	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Free file host Evasion HTML analysis Header analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-suspicious-sharepoint-folder-share-6168a08c
Link to a domain with punycode characters	@ajpc500	3mo ago Nov 12th, 2025	Credential Phishing Evasion Lookalike domain Punycode Sender analysis URL analysis	/feeds/core/detection-rules/link-to-a-domain-with-punycode-characters-74b3698c
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 archive	Sublime Security	7mo ago Jul 16th, 2025	Malware/Ransomware Evasion Archive analysis File analysis Sender analysis URL analysis	/feeds/core/detection-rules/link-to-auto-downloaded-dmg-in-archive-dc04cdd8
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-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: URL redirecting to blob URL	Sublime Security	14d ago Feb 24th, 2026	Credential Phishing Malware/Ransomware Evasion Free file host Open redirect Sender analysis URL analysis Threat intelligence	/feeds/core/detection-rules/link-url-redirecting-to-blob-url-1677135b
Link: Webflow link from unsolicited sender	Sublime Security	7mo ago Aug 5th, 2025	Callback Phishing Free file host Free subdomain host Content analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-webflow-link-from-unsolicited-sender-d4f3b8cf
Link: Zoho form link from unsolicited sender	Sublime Security	7mo ago Aug 5th, 2025	Callback Phishing Free file host Content analysis URL analysis Sender analysis	/feeds/core/detection-rules/link-zoho-form-link-from-unsolicited-sender-eb04a9f2
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
MalwareBazaar: Malicious attachment hash in archive (trusted reporters)	Sublime Security	7mo ago Jul 16th, 2025	Malware/Ransomware Evasion Archive analysis File analysis Sender analysis Threat intelligence	/feeds/core/detection-rules/malwarebazaar-malicious-attachment-hash-in-archive-trusted-reporters-9d734281
MalwareBazaar: Malicious attachment hash (trusted reporters)	Sublime Security	1mo ago Jan 12th, 2026	Malware/Ransomware File analysis Sender analysis Threat intelligence	/feeds/core/detection-rules/malwarebazaar-malicious-attachment-hash-trusted-reporters-5b5c9c3e
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
Message traversed multiple onmicrosoft.com tenants	Sublime Security	1mo ago Jan 12th, 2026	Callback Phishing Evasion Free email provider Free subdomain host Sender analysis Header analysis	/feeds/core/detection-rules/message-traversed-multiple-onmicrosoftcom-tenants-9cf01c0d
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
New link domain (<=10d) from untrusted sender	Sublime Security	1mo ago Feb 6th, 2026	Credential Phishing Malware/Ransomware Sender analysis URL analysis Whois	/feeds/core/detection-rules/new-link-domain-less10d-from-untrusted-sender-4805b0e6
New sender domain (<=10d) from untrusted sender	Sublime Security	2y ago Nov 20th, 2024	Sender analysis Whois	/feeds/core/detection-rules/new-sender-domain-less10d-from-untrusted-sender-d87fa543
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
Notion suspicious file share	Sublime Security	7mo ago Jul 16th, 2025	Credential Phishing Malware/Ransomware Evasion Free file host Content analysis Sender analysis URL analysis	/feeds/core/detection-rules/notion-suspicious-file-share-f7307929
Open redirect: adnxs.com	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-adnxscom-7fc92916
Open redirect: agena-smile.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-agena-smilecom-4a8ebce6
Open redirect: amaterasu-for-website-5.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-amaterasu-for-website-5com-d31f7cb8
Open redirect: api.spently.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-apispentlycom-69740e97
Open redirect: Artisteer	Sublime Security	9mo ago May 23rd, 2025	Credential Phishing Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-artisteer-1f65eec3
Open redirect: artkaderne	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-artkaderne-cc16a3f4
Open Redirect: asemailmgmteu.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-asemailmgmteucom-368871ea
Open redirect: astroarts.co.jp	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-astroartscojp-6dd617af
Open redirect: Avast	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-avast-5f635658
Open redirect: bananaguide.com	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-bananaguidecom-92fecf26
Open redirect: bangkoksync.com	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-bangkoksynccom-e1449ccd
Open redirect: bestdeals.today	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-bestdealstoday-666de100
Open redirect: Bitrix24 URL Path	Sublime Security	7mo ago Aug 5th, 2025	Credential Phishing Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-bitrix24-url-path-e3c85e59
Open redirect: BMW USA	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-bmw-usa-1bf4e69a
Open redirect: bubblelife.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-bubblelifecom-53c9b893
Open redirect: buildingengines.com	Sublime Security	1mo ago Jan 12th, 2026	Credential Phishing Malware/Ransomware Open redirect Sender analysis URL analysis	/feeds/core/detection-rules/open-redirect-buildingenginescom-93df711e

618 Rules

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