Analysis of APT Attack Cases Targeting Web Services of Korean Corporations Posted By Sanseo , August 22, 2023 Web servers are vulnerable to attacks because they are publicly accessible to a wide range of users for the purpose of delivering web services. This accessibility makes them a prime target for threat actors. AhnLab Security Emergency response Center (ASEC) is monitoring attacks targeting vulnerable web servers that have not been patched or are poorly managed. In this post, we have compiled APT attack cases where the web servers of Korean corporations were continuously targeted over the years. We have…
Netcat Attack Cases Targeting MS-SQL Servers (LOLBins) Posted By Sanseo , March 10, 2023 ASEC (AhnLab Security Emergency response Center) has recently discovered the distribution of the Netcat malware targeting poorly managed MS-SQL servers. Netcat is a utility that allows users to send and receive data from specific destinations on a network connected by the TCP/UDP protocol. Due to its various features and ability to be used on both Linux and Windows, it is utilized by network managers and threat actors alike. 1. Netcat From a malware standpoint, a characteristic of Netcat is its…