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
GeoServer, Where Various CoinMiner Attacks Occur
AhnLab SEcurity intelligence Center (ASEC) previously covered the case of threat actors exploiting the GeoServer vulnerability to install CoinMiner and NetCat through the “CoinMiner Attacks Exploiting GeoServer Vulnerability” blog. [1] The threat actors have been continuously targeting vulnerable GeoServers to install CoinMiner. This post will cover the identified cases of
CoinMiner Malware Being Continuously Distributed via USB
In February 2025, AhnLab SEcurity intelligence Center (ASEC) confirmed in their report “Cases of CoinMiner Being Spread via USB” [1] that CoinMiner malware is being spread via USB in South Korea. In July 2025, Mandiant also released a report on the same attack series and categorized the malware being installed as
ViperSoftX Attackers Target Monero
AhnLab SEcurity intelligence Center (ASEC) has confirmed that the ViperSoftX attackers are installing coin miners to mine Monero cryptocurrency. ViperSoftX is a remote control malware that steals cryptocurrency wallet addresses. These attackers primarily distribute malware disguised as cracks or keygens for legitimate software, or as eBooks. In addition to ViperSoftX,
Analysis Report on Malicious Apps Using Advanced Detection and Evasion Techniques
1. Overview Malware developers are using increasingly diverse techniques to evade anti-virus (AV) products. In the past, it was common for a single malicious app to implement all malicious behaviors. However, recently, apps have been discovered in which features are separated and need to be downloaded additionally, or encrypted files
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
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
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
Analysis of T-Rex CoinMiner Attacks Targeting Internet Cafés in Korea
AhnLab SEcurity intelligence Center (ASEC) has recently identified cases of attacks installing CoinMiners in Korean Internet cafés. The threat actor is believed to have been active since 2022, and the attacks against Internet cafés have been occurring since the second half of 2024. The method of initial access is unknown,

