Mar 08, 2023Ravie LakshmananAdvanced Persistent Threat High-profile government entities in Southeast Asia are the target of a cyber espionage campaign undertaken by a Chinese threat actor known as Sharp Panda since late last year. The intrusions are characterized by the use of a new version of the Soul modular framework, marking a departure from the group's attack chains … [Read more...] about Sharp Panda Using New Soul Framework Version to Target Southeast Asian Governments
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New Mirai Botnet Variant ‘V3G4’ Exploiting 13 Flaws to Target Linux and IoT Devices
Feb 17, 2023Ravie LakshmananIoT Security / Cyber Attack A new variant of the notorious Mirai botnet has been found leveraging several security vulnerabilities to propagate itself to Linux and IoT devices. Observed during the second half of 2022, the new version has been dubbed V3G4 by Palo Alto Networks Unit 42, which identified three different campaigns likely conducted by … [Read more...] about New Mirai Botnet Variant ‘V3G4’ Exploiting 13 Flaws to Target Linux and IoT Devices
Chinese Tonto Team Hackers’ Second Attempt to Target Cybersecurity Firm Group-IB Fails
Feb 13, 2023Ravie LakshmananCyber Threat Intelligence The advanced persistent threat (APT) actor known as Tonto Team carried out an unsuccessful attack on cybersecurity company Group-IB in June 2022. The Singapore-headquartered firm said that it detected and blocked malicious phishing emails originating from the group targeting its employees. It's also the second attack aimed … [Read more...] about Chinese Tonto Team Hackers’ Second Attempt to Target Cybersecurity Firm Group-IB Fails
GuLoader Malware Using Malicious NSIS Executables to Target E-Commerce Industry
Feb 06, 2023Ravie LakshmananCyber Attack / Endpoint Security E-commerce industries in South Korea and the U.S. are at the receiving end of an ongoing GuLoader malware campaign, cybersecurity firm Trellix disclosed late last month. The malspam activity is notable for transitioning away from malware-laced Microsoft Word documents to NSIS executable files for loading the … [Read more...] about GuLoader Malware Using Malicious NSIS Executables to Target E-Commerce Industry
New Wave of Ransomware Attacks Exploiting VMware Bug to Target ESXi Servers
Feb 04, 2023Ravie LakshmananEnterprise Security / Ransomware VMware ESXi hypervisors are the target of a new wave of attacks designed to deploy ransomware on compromised systems. "These attack campaigns appear to exploit CVE-2021-21974, for which a patch has been available since February 23, 2021," the Computer Emergency Response Team (CERT) of France said in an advisory on … [Read more...] about New Wave of Ransomware Attacks Exploiting VMware Bug to Target ESXi Servers
MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics
Dec 09, 2022Ravie LakshmananThreat Intelligence / Cyber Attack The Iran-linked MuddyWater threat actor has been observed targeting several countries in the Middle East as well as Central and West Asia as part of a new spear-phishing activity. "The campaign has been observed targeting Armenia, Azerbaijan, Egypt, Iraq, Israel, Jordan, Oman, Qatar, Tajikistan, and the United … [Read more...] about MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics
Worok Hackers Target High-Profile Asian Companies and Governments
High-profile companies and local governments located primarily in Asia are the subjects of targeted attacks by a previously undocumented espionage group dubbed Worok that has been active since late 2020. "Worok's toolset includes a C++ loader CLRLoad, a PowerShell backdoor PowHeartBeat, and a C# loader PNGLoad that uses steganography to extract hidden malicious payloads from … [Read more...] about Worok Hackers Target High-Profile Asian Companies and Governments
Iranian Hackers Exploiting Unpatched Log4j 2 Bugs to Target Israeli Organizations
Iranian state-sponsored actors are leaving no stone unturned to exploit unpatched systems running Log4j to target Israeli entities, indicating the vulnerability's long tail for remediation. Microsoft attributed the latest set of activities to the umbrella threat group tracked as MuddyWater (aka Cobalt Ulster, Mercury, Seedworm, or Static Kitten), which is linked to the Iranian … [Read more...] about Iranian Hackers Exploiting Unpatched Log4j 2 Bugs to Target Israeli Organizations
Chinese Hackers Backdoored MiMi Chat App to Target Windows, Linux, macOS Users
A pair of reports from cybersecurity firms SEKOIA and Trend Micro sheds light on a new campaign undertaken by a Chinese threat actor named Lucky Mouse that involves leveraging a trojanized version of a cross-platform messaging app to backdoor systems. Infection chains leverage a chat application called MiMi, with its installer files compromised to download and install HyperBro … [Read more...] about Chinese Hackers Backdoored MiMi Chat App to Target Windows, Linux, macOS Users
Adversaries Increasingly Target Cloud Environments
The CrowdStrike eBook, “Protectors of the Cloud: Combating the Rise in Threats to Cloud Environments,” reveals how adversaries target and infiltrate cloud environments and recommends best practices for defense. As organizations move critical applications and data to the cloud, these resources have come under increasing attack. Adversaries view cloud environments as soft targets … [Read more...] about Adversaries Increasingly Target Cloud Environments