Statistics Report on Malware Targeting Windows Database Servers in Q4 2025

Statistics Report on Malware Targeting Windows Database Servers in Q4 2025

AhnLab SEcurity intelligence Center (ASEC) utilizes the AhnLab Smart Defense (ASD) infrastructure to respond to and categorize attacks targeting MS-SQL and MySQL servers installed on Windows operating systems. This post covers the damage status of MS-SQL and MySQL servers that have become attack targets and statistics on attacks against these

Statistics Report on Malware Targeting Windows Database Servers in Q3 2025

Statistics Report on Malware Targeting Windows Database Servers in Q3 2025

AhnLab SEcurity intelligence Center (ASEC) utilizes the AhnLab Smart Defense (ASD) to categorize and respond to attacks targeting Windows-based MS-SQL and MySQL servers. This report will cover the current state of damage to MS-SQL and MySQL servers that became attack targets based on the logs discovered in the third quarter

CoinMiner Attacks Exploiting GeoServer Vulnerability

CoinMiner Attacks Exploiting GeoServer Vulnerability

AhnLab SEcurity intelligence Center (ASEC) has confirmed that the unpatched GeoServer is still under continuous attack. Threat actors are scanning for vulnerable GeoServer and installing CoinMiner. ASEC has also identified cases of infection in South Korea.   1. GeoServer Remote Code Execution Vulnerability (CVE-2024-36401) GeoServer is an open-source Geographic Information

Statistics Report on Malware Targeting Windows Database Servers in Q2 2025

Statistics Report on Malware Targeting Windows Database Servers in Q2 2025

Overview The AhnLab SEcurity intelligence Center (ASEC) analysis team uses the AhnLab Smart Defense (ASD) infrastructure to categorize and respond to attacks targeting Windows-based MS-SQL and MySQL servers. This report will cover the current state of damage to MS-SQL and MySQL servers that became attack targets based on the logs

Statistical Report on Malware Targeting MS-SQL Servers in 1Q 2025

Statistical Report on Malware Targeting MS-SQL Servers in 1Q 2025

Overview The AhnLab SEcurity intelligence Center (ASEC) analysis team uses the AhnLab Smart Defense (ASD) infrastructure to categorize and respond to attacks on vulnerable MS-SQL servers. This report will cover the current state of damage to MS-SQL servers that became attack targets based on the logs discovered in 1Q 2025,

Statistical Report on Malware Targeting MS-SQL Servers in Q4 2024

Statistical Report on Malware Targeting MS-SQL Servers in Q4 2024

Overview The AhnLab SEcurity intelligence Center (ASEC) analysis team uses the AhnLab Smart Defense (ASD) infrastructure to categorize and respond to attacks on vulnerable MS-SQL servers. This report will cover the current state of damage to MS-SQL servers that became attack targets based on the logs discovered in Q4 2024,

Analysis Report on APT Attack Cases  Using noMu Backdoor

Analysis Report on APT Attack Cases Using noMu Backdoor

AhnLab SEcurity intelligence Center (ASEC) has recently identified attack cases where an unknown threat actor installed various remote control malware targeting Korean users and systems. The threat actor used a range of reverse shells, backdoors, and VNC malware strains, and also utilized RDP for remote screen control. Among the malware

Attack Cases Against HTTP File Server (HFS) (CVE-2024-23692)

Attack Cases Against HTTP File Server (HFS) (CVE-2024-23692)

HTTP File Server (HFS) is a program that provides a simple type of web service. Because it can provide web services with just an executable file without having to build a web server, it is often used for sharing files, allowing users to connect to the address through web browsers

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

Apache ActiveMQ Vulnerability (CVE-2023-46604) Continuously Being Exploited in Attacks

Apache ActiveMQ Vulnerability (CVE-2023-46604) Continuously Being Exploited in Attacks

In November 2023, AhnLab Security Emergency response Center (ASEC) published a blog post titled “Circumstances of the Andariel Group Exploiting an Apache ActiveMQ Vulnerability (CVE-2023-46604)” [1] which covered cases of the Andariel threat group exploiting the CVE-2023-46604 vulnerability to install malware. This post not only covered attack cases of the