March 2025 APT Group Trends (South Korea)

March 2025 APT Group Trends (South Korea)

Overview   AhnLab is monitoring Advanced Persistent Threat (APT) attacks in South Korea using its own infrastructure. This report covers the classification, statistics, and features of the APT attacks in South Korea that were identified in March 2025, as well as the attack types.     Figure 1. Statistics of

February 2025 APT Group Trends (South Korea)

February 2025 APT Group Trends (South Korea)

Overview   AhnLab is monitoring Advanced Persistent Threat (APT) attacks in South Korea using its own infrastructure. This report covers the classification, statistics, and features of the APT attacks in South Korea that were identified in February 2025, as well as the attack types.   Figure 1. Statistics of APT

Circumstances of the Andariel Group Exploiting an Apache ActiveMQ Vulnerability (CVE-2023-46604)

Circumstances of the Andariel Group Exploiting an Apache ActiveMQ Vulnerability (CVE-2023-46604)

While monitoring recent attacks by the Andariel threat group, AhnLab Security Emergency response Center (ASEC) has discovered the attack case in which the group is assumed to be exploiting Apache ActiveMQ remote code execution vulnerability (CVE-2023-46604) to install malware.  The Andariel threat group usually targets South Korean companies and institutions,

Circumstances of an Attack Exploiting an Asset Management Program (Andariel Group)

Circumstances of an Attack Exploiting an Asset Management Program (Andariel Group)

The ASEC analysis team identified the circumstances of the Andariel group distributing malware via an attack using a certain asset management program. The Andariel group is known to be in a cooperative relationship with or a subsidiary organization of the Lazarus group. The Andariel group usually launches spear phishing, watering

Lazarus Group Exploiting Log4Shell Vulnerability (NukeSped)

Lazarus Group Exploiting Log4Shell Vulnerability (NukeSped)

In December last year, the vulnerability (CVE-2021-44228) of Java-based logging utility Log4j became a worldwide issue. It is a remote code execution vulnerability that can include the remote Java object address in the log message and send it to the server using Log4j to run the Java object in the