Case of ActiveMQ Vulnerability Exploitation to Install Sharpire (Kinsing)

Case of ActiveMQ Vulnerability Exploitation to Install Sharpire (Kinsing)

AhnLab SEcurity intelligence Center (ASEC) has confirmed that the Kinsing threat actor is still distributing malware by exploiting known vulnerabilities. Since the disclosure of the CVE-2023-46604 vulnerability in ActiveMQ, the threat actor has been exploiting it to install malware on both Linux and Windows systems. [1] Aside from the well-known XMRig

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

Analysis of T-Rex CoinMiner Attacks Targeting Internet Cafés in Korea

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,

PyBitmessage Backdoor Malware Installed with CoinMiner

PyBitmessage Backdoor Malware Installed with CoinMiner

The AhnLab SEcurity intelligence Center (ASEC) has recently detected a new type of backdoor malware being distributed alongside the Monero coin miner. This blog post covers malware that utilizes the PyBitmessage library to perform communications on a P2P (Peer to Peer) network and encrypt the communication content between endpoints, instead

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,

AhnLab EDR Detects CoinMiner Propagated via USB in South Korea

AhnLab EDR Detects CoinMiner Propagated via USB in South Korea

1. Overview CoinMiners typically secretly use the CPU and GPU resources of users’ computers to mine cryptocurrencies, which slows down the performance of the affected computers. CoinMiners are usually distributed through phishing emails, malicious websites, system vulnerabilities, and other means. For analysis of this malware, please refer to the AhnLab

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 Larva-24011 Threat Actor’s Latest Attack Trend

Analysis Report on Larva-24011 Threat Actor’s Latest Attack Trend

1. Overview The Larva-24011 threat actor is targeting vulnerable systems to install CoinMiner and proxyware for financial gain. AhnLab Security Intelligence Center (ASEC) has recently observed that besides installing CoinMiner and proxyware, the threat actor is engaging in more attack cases of controlling infected systems and exfiltrating information such as