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[Joint Cybersecurity Advisory] Operation Double Barrel (The Relationship Between a State-Sponsored Threat Actor and the Gunra Ransomware Group)
This technical analysis report was prepared as part of the joint cybersecurity advisory titled “Advisory on Cyberattacks Targeting Korean Citizens and Businesses by State-Sponsored Hacking Groups” issued by the Republic of Korea’s National Intelligence Service (NIS), National Police Agency (NPA), Korea Internet & Security Agency (KISA), and Financial Security Institute
Case Study: Targeted Attack Case on an MS-SQL Server Involving the Installation of GotoHTTP and SoftEther VPN
While monitoring attack cases targeting MS-SQL servers, the AhnLab SEcurity intelligence Center (ASEC) identified an instance in which the Larva-26009 threat actor installed the XMRig CoinMiner. While the installation of CoinMiner is common in attack cases targeting MS-SQL servers, in this particular attack case, the attacker installed VShell and GotoHTTP
Statistical Report on Malware Targeting Windows Database Servers in Q2 2026
Contents The AhnLab SEcurity intelligence Center (ASEC) analyzed attack logs from the second quarter of 2026 targeting MS-SQL server and MySQL server installations on Windows. This report summarizes the damage status, attack status, and the classification of the malware and tools used in the attacks. Purpose and Scope The targets
Statistics Report on Malware Targeting Windows Database Servers in Q1 2026
Description. analysis of ASEC’s ASD logs for Q1 2026 showed a consistent trend of attacks against MS-SQL and MySQL. the number of attacks tended to decrease temporarily in February before increasing again in March. Purpose and Scope. this report summarizes the statistics of attacks targeting MS-SQL and MySQL servers installed
Attack Targeting MS‑SQL Servers to Deploy the ICE Cloud Scanner (Larva-26002)
AhnLab SEcurity intelligence Center (ASEC) has confirmed that the Larva-26002 threat actor continues to target improperly managed MS-SQL servers in 2026. The Larva-26002 threat actor has distributed Trigona and Mimic ransomware in the past, and has since seized control of infected systems and installed scanners. The latest confirmed attack utilizes
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
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
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
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
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
