Detection Method: YARA

YARA detection scans email messages, attachments, and extracted content for known malware, phishing patterns, or suspicious code. This detection method uses the YARA pattern matching language, which lets your security team create specific signatures based on known malicious patterns, both textual and binary.
YARA detection can identify:
  • Known malware families based on their distinctive code patterns
  • Obfuscated scripts or executables using encoding techniques
  • Common phishing templates with structural similarities
  • Suspicious binary patterns that may indicate malicious functionality
  • Custom threats targeting specific organizations with tailored YARA rules
Rule Name & Severity
Last Updated
Author
Types, Tactics & Capabilities
Attachment: Fake LinkedIn invoice PDF lure
4d ago
Oct 23rd, 2026
Sublime Security
Attachment: PDF small QR code template
7d ago
Oct 20th, 2026
Sublime Security
Attachment: GCPay blurred check PDF
7d ago
Oct 20th, 2026
Sublime Security
Attachment: PDF USDOC ITA signature lure
8d ago
Oct 19th, 2026
Sublime Security
Attachment: PDF with Microsoft compensation lure
8d ago
Oct 19th, 2026
Sublime Security
Attachment: PDF blue OneDrive lure
8d ago
Oct 19th, 2026
Sublime Security
Attachment: PDF Adobe lure
18d ago
Oct 9th, 2026
Sublime Security
Attachment: PDF teal SharePoint lure
22d ago
Oct 5th, 2026
Sublime Security
Attachment: PDF including a Microsoft lure with specific signature
26d ago
Oct 1st, 2026
Sublime Security
Attachment: PDF with specific blurred lure
26d ago
Oct 1st, 2026
Sublime Security
Attachment: PDF W9 signature reuse
29d ago
Sep 28th, 2026
Sublime Security
Encrypted Microsoft Office files from untrusted sender
29d ago
Sep 28th, 2026
Sublime Security
Link to auto-downloaded DMG in encrypted zip
1mo ago
Sep 23rd, 2026
Sublime Security
Attachment: PDF with EOF MD5 hash marker
1mo ago
Sep 10th, 2026
Sublime Security
Attachment: PDF RFP lure
1mo ago
Sep 3rd, 2026
Sublime Security
Attachment: Gzip-archived with nested HTML file containing image and button link
1mo ago
Sep 3rd, 2026
Sublime Security
Attachment: GZ archive with credential theft content
1mo ago
Sep 2nd, 2026
Sublime Security
Attachment: ZIP filename mismatch
1mo ago
Aug 31st, 2026
Sublime Security
Attachment: ZIP containing Office binary with embedded DLL
2mo ago
Aug 24th, 2026
Sublime Security
Attachment: QuickBooks PDF lure
2mo ago
Aug 20th, 2026
Sublime Security