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Targeted attacks are typically carried out against individuals to obtain intellectual property and other valuable data from target organizations. These individuals are either directly in possession of the targeted information or are able to connect to networks where the information resides. Microsoft researchers have encountered twin threat activity groups that appear to target individuals for…
Read MoreA few weeks ago, multiple organizations in the Middle East fell victim to targeted and destructive attacks that wiped data from computers, and in many cases rendering them unstable and unbootable. Destructive attacks like these have been observed repeatedly over the years and the Windows Defender and Windows Defender Advanced Threat Protection Threat Intelligence teams…
Read MoreAny IT professional who’s ever had an experience with malware knows how fast an intrusive attack can happen, and how difficult it can be to educate employees to be vigilant against such threats. And with ransomware attacks only growing, having information, tools and technologies to help protect your network can mean the difference between serious…
Read MoreThis guest blog post is by Terry Myerson / Executive Vice President, Windows and Devices Group Windows is the only platform with a customer commitment to investigate reported security issues and proactively update impacted devices as soon as possible. And we take this responsibility very seriously. Recently, the activity group that Microsoft Threat Intelligence calls STRONTIUM…
Read MoreRecently, we blogged about the basic functionality and features of the DUBNIUM advanced persistent threat (APT) activity group Stage 1 binary and Adobe Flash exploit used during the December 2015 incident (Part 1, Part 2). In this blog, we will go through the overall infection chain structure and the Stage 2 executable details. Stage 2 executables…
Read MoreDUBNIUM (which shares indicators with what Kaspersky researchers have called DarkHotel) is one of the activity groups that has been very active in recent years, and has many distinctive features. We located multiple variants of multiple-stage droppers and payloads in the last few months, and although they are not really packed or obfuscated in a…
Read MoreThis blog introduces our latest report from the Windows Defender Advanced Threat Hunting team. You can read the full report at: PLATINUM: Targeted attacks in South and Southeast Asia There is no shortage of headlines about cybercriminals launching large-scale attacks against organizations. For us, the activity groups that pose the most danger are the ones…
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