Analysis of Trigona Threat Actor’s Latest Attack Cases

Analysis of Trigona Threat Actor’s Latest Attack Cases

AhnLab SEcurity intelligence Center (ASEC) has covered the case of Trigona threat actors attacking MS-SQL servers in the past post, “Trigona Ransomware Threat Actor Uses Mimic Ransomware.”[1] In the attack cases, both Trigona and Mimic ransomware were used. However, while the email address used by the threat actor in the

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

XiebroC2 Identified in MS-SQL Server Attack Cases

XiebroC2 Identified in MS-SQL Server Attack Cases

AhnLab SEcurity intelligence Center (ASEC) monitors attacks targeting poorly managed MS-SQL servers and recently confirmed a case involving the use of XiebroC2. XiebroC2 is a C2 framework with open-source code that supports various features such as information collection, remote control, and defense evasion, similar to CobaltStrike. [1] Figure 1. XiebroC2’s

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

Information Leakage Caused by DB Client Tool

Information Leakage Caused by DB Client Tool

In recent breach incidents, threat actors have been observed not only accessing systems, but also directly querying internal databases and stealing sensitive information. Particularly, more threat actors are installing DB client tools directly on targeted systems to exfiltrate data, and legitimate tools such as DBeaver, Navicat, and sqlcmd are being

Case of Attacks Targeting MS-SQL Servers to Install Ammyy Admin

Case of Attacks Targeting MS-SQL Servers to Install Ammyy Admin

AhnLab SEcurity intelligence Center (ASEC) recently identified cases of attacks installing Ammyy Admin on poorly managed MS-SQL servers. Ammyy Admin is a remote control tool used to control systems remotely along with AnyDesk, ToDesk, TeamViewer, etc. When these tools are used properly, they enable companies and individuals to manage and

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 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

Statistical Report on Malware Targeting MS-SQL Servers in Q3 2024

Statistical Report on Malware Targeting MS-SQL Servers in Q3 2024

OverviewStatistics1. Attacks Against MS-SQL Servers2. Categorization of Malware Used in Attacks   2.1. Trojan   2.2. HackTool   2.3. Backdoor   2.4. CoinMiner   2.5. Downloader & RansomwareConclusion    Overview   The ASEC analysis team uses the AhnLab Smart Defense (ASD) infrastructure to categorize and respond to attacks on vulnerable MS-SQL servers. This report will