XCSSET Mac Malware: Infects Xcode Projects, Performs UXSS Attack on Safari, Other Browsers, Leverages Zero-day Exploits

By Mac Threat Response and Mobile Research Team We have discovered an unusual infection related to Xcode developer projects. Upon further investigation, we discovered that a developer’s Xcode project at large contained the source malware, which leads to a rabbit hole of malicious payloads. Most notable in our investigation is the discovery of two zero-day … [Read more…]

Water Nue Phishing Campaign Targets C-Suite’s Office 365 Accounts

By Marshall Chen, Loseway Lu, Yorkbing Yap, and Fyodor Yarochkin (Trend Micro Research) A series of ongoing business email compromise (BEC) campaigns that uses spear-phishing schemes on Office 365 accounts has been seen targeting business executives of over 1,000 companies across the world since March 2020. The recent campaigns target senior positions in the United … [Read more…]

Mirai Botnet Exploit Weaponized to Attack IoT Devices via CVE-2020-5902

Update as of 10:00 A.M. PST, July 30, 2020: Our continued analysis of the malware sample showed adjustments to the details involving the URI and Shodan scan parameters. We made the necessary changes in this post. We would like to thank F5 Networks for reaching out to us to clarify these details. With additional insights … [Read more…]

Ensiko: A Webshell With Ransomware Capabilities

By Aliakbar Zahravi  Ensiko is a PHP web shell with ransomware capabilities that targets various platforms such as Linux, Windows, macOS, or any other platform that has PHP installed. The malware has the capability to remotely control the system and accept commands to perform malicious activities on the infected machine. It can also execute shell … [Read more…]

Updates on ThiefQuest, the Quickly-Evolving macOS Malware

By Steven Du, Gabrielle Mabutas, and Luis Magisa Right as July of this year began, we noticed an emerging malware dubbed by most as ThiefQuest (also known as EvilQuest), a threat that targets macOS devices, encrypts files, and installs keyloggers in affected systems.  It has been found in pirated versions of macOS shared on popular … [Read more…]

Patch Tuesday: Fixes for ‘Wormable’ Windows DNS Server RCE, SharePoint Flaws

There has been a common vulnerabilities and exposures (CVE) fixing trend in 2020 Patch Tuesdays. For instance, Microsoft has patched roughly more than 100 vulnerabilities per month in recent bulletins. Similarly, the July update issues 123 patches, including fixes in RemoteFX vGPU, Microsoft Office, Microsoft Windows, OneDrive, and Jet Database Engine. The patches address 18 … [Read more…]

New Mirai Variant Expands Arsenal, Exploits CVE-2020-10173

By Augusto Remillano II and Jemimah Molina We discovered a new Mirai variant (detected as  IoT.Linux.MIRAI.VWISI) that exploits nine vulnerabilities, most notable of which is CVE-2020-10173 in Comtrend VR-3033 routers which we have not observed exploited by past Mirai variants. This discovery is a new addition to the Mirai variants that appeared in the past … [Read more…]

US Local Government Services Targeted by New Magecart Credit Card Skimming Attack

Eight cities across three states in the United States have fallen victim to a Magecart card skimming attack. In these attacks, their websites were compromised to host credit card skimmers which passed on the credit card information of residents to cybercriminals. These sites all appear to have been built using Click2Gov, a web-based platform meant … [Read more…]

XORDDoS, Kaiji Botnet Malware Variants Target Exposed Docker Servers 

Insights and analysis by Augusto Remillano II With additional analysis by Patrick Noel Collado and Karen Ivy Titiwa We have recently detected variants of two existing Linux botnet malware types targeting exposed Docker servers; these are XORDDoS malware (detected by Trend Micro as Backdoor.Linux.XORDDOS.AE) and Kaiji DDoS malware (detected by Trend Micro as DDoS.Linux.KAIJI.A). Having … [Read more…]

New Android Spyware ActionSpy Revealed via Phishing Attacks from Earth Empusa

By Ecular Xu and Joseph C. Chen While tracking Earth Empura, also known as POISON CARP/Evil Eye, we identified an undocumented Android spyware we have named ActionSpy (detected by Trend Micro as AndroidOS_ActionSpy.HRX). During the first quarter of 2020, we observed Earth Empusa’s activity targeting users in Tibet and Turkey before they extended their scope … [Read more…]