A close look at a targeted attack delivery
Read more at: A close look at a targeted attack delivery - Microsoft Malware Protection Center - Site Home - TechNet Blogs
For antimalware products, targeted attacks represent a very interesting class of malware. They are stealthy and only target specific organizations and industries - flying under the radar when it comes to identifying new malware files based on telemetry. The purpose of these attacks is most commonly to steal confidential and sensitive information by means of social engineering and unpatched, vulnerable software.
We recently investigated a sample used in this kind of attack, Trojan:Win32/Retefe.A, and wanted to share with you what we encountered and possible ways to avoid being infected from similar approaches.