z0Miner Exploits Korean Web Servers to Attack WebLogic Server

z0Miner Exploits Korean Web Servers to Attack WebLogic Server

AhnLab SEcurity intelligence Center (ASEC) has found numerous cases of threat actors attacking vulnerable Korean servers. This post introduces one of the recent case in which the threat actor ‘z0Miner’ attacked Korean WebLogic servers. z0Miner was first introduced by Tencent Security, a Chinese Internet service provider. https://s.tencent.com/research/report/1170.html (This link is

Statistics Report on Malware Targeting  Windows Web Servers in Q4 2023

Statistics Report on Malware Targeting Windows Web Servers in Q4 2023

Overview   AhnLab SEcurity intelligence Center (ASEC) is using the AhnLab Smart Defense (ASD) infrastructure to respond to and categorize attacks against poorly managed Windows web servers. This report will cover the current state of damage to Windows web servers which have become the target of attacks based on the

Chinese Hacker Group Stealing Information From Korean Companies

Chinese Hacker Group Stealing Information From Korean Companies

Recently, there have been frequent cases of attacks targeting vulnerable servers that are accessible externally, such as SQL servers or IIS web servers. The team has confirmed two affected companies in this case. One being a company for semiconductors, and the other being a smart manufacturing company which utilizes artificial

Cases of Attacks Targeting Vulnerable Atlassian Confluence Servers

Cases of Attacks Targeting Vulnerable Atlassian Confluence Servers

The ASEC analysis team has been monitoring attacks that are targeting vulnerable systems. This post will discuss cases of attacks targeting vulnerable Atlassian Confluence Servers that are not patched. Atlassian’s Confluence is a major collaboration platform used by many companies across the globe. Being a web-based platform, services such as

PHP WebShell Malware using Image Files

PHP WebShell Malware using Image Files

WebShell is a file that is uploaded to a web server which runs file navigation or system shell commands. The attacker can use the web browser to navigate through the files of the server system and issue shell commands. Certain file extensions for uploaded files can be restricted to prevent